FNUS55 KRIW 230752 FWFRIW Fire Weather Planning Forecast for Western and Central Wyoming National Weather Service Riverton WY 152 AM MDT Sun Aug 23 2026 .DISCUSSION... ...Yellowstone NP and Teton dispatch areas (includes fire weather zones 140...414...415...and 416)... Monsoonal moisture will hang around for another day and bring another chance of mainly afternoon showers and thunderstorms, but probably less numerous than on Saturday. Relative humidity will remain above critical levels. Wind should remain light to moderate except in and around any shower or thunderstorm. Mixing and smoke dispersal will be generally very good to excellent in the afternoon. ...Cody dispatch area (includes fire weather zones 275...276... 282...283...285...286...287...288...and 289)... Monsoonal moisture will hang around for another day and bring another chance of mainly afternoon showers and thunderstorms, but less numerous than on Saturday. Relative humidity will remain above critical levels. Wind should remain light to moderate except in and around any shower or thunderstorm. Mixing and smoke dispersal will be generally good to excellent in the afternoon. ...Casper dispatch area (includes fire weather zones 277...278... 279...280...281...285...289...and 300)... Monsoonal moisture will hang around for another day and bring another chance of mainly afternoon showers and thunderstorms, but less numerous than on Saturday. The greatest coverage would likely be in southern Zones 277 and 279. Relative humidity will remain above critical levels. Wind should remain light to moderate except in and around any shower or thunderstorm. Mixing and smoke dispersal will be generally good to excellent in the afternoon. ...Thunderstorms imply strong gusty and erratic winds... WYZ280-241000- Natrona County/Casper BLM- Including the cities of Casper and Midwest 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Slight chance of showers and thunderstorms early in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....86-91. 24 hr trend......1 degree warmer. Min humidity........19-25 percent. 24 hr trend......19 percent drier. 20-foot winds.......West winds 15 to 20 mph until 1500, then northwest. Gusts up to 30 mph. Ridge top winds.....West 20 to 25 mph. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing Height.......2200-4200 ft agl until 1200, then 8200-10200 ft agl. Smoke dispersal.....Fair to good until 1200, then excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....58-63. 24 hr trend......3 degrees cooler. Max humidity........51-57 percent. 24 hr trend......29 percent drier. Humidity recovery...Moderate. 20-foot winds.......Northwest winds around 15 mph with gusts to around 30 mph until 2100, then downslope/downvalley 4-7 mph until 0300, then southwest around 10 mph with gusts to around 15 mph. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph until 2400, then southwest. Mixing Height.......3600-5600 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms late in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....83-88. 24 hr trend......3 degrees cooler. Min humidity........20-26 percent. 24 hr trend......1 percent wetter. 20-foot winds.......West winds around 10 mph and gusty until 1200, then northwest with gusts to around 25 mph. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......2200-4200 ft agl until 1200, then 8800-10800 ft agl. Smoke dispersal.....Poor to fair until 1200, then very good. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Chance of showers and slight chance of thunderstorms in the evening. Lows in the mid 50s. Winds generally less than 10 mph. .TUESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. Winds generally less than 10 mph. .WEDNESDAY THROUGH THURSDAY...Partly cloudy. Lows in the upper 50s. Highs 83 to 88. West winds around 10 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy. Lows in the upper 50s. Highs in the upper 80s. $$ WYZ283-241000- Upper Wind River Basin/Wind River Basin- Including the cities of Crowheart, Lander, Riverton, and Shoshoni 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....82-87. 24 hr trend......1 degree cooler. Min humidity........26-32 percent. 24 hr trend......4 percent drier. 20-foot winds.......West winds 10 to 15 mph with gusts to around 25 mph. Ridge top winds.....West 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing Height.......1600-3600 ft agl until 1200, then 8000-10000 ft agl. Smoke dispersal.....Poor to fair until 1200, then very good to excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....53-58. 24 hr trend......3 degrees cooler. Max humidity........57-63 percent. 24 hr trend......11 percent drier. Humidity recovery...Good. 20-foot winds.......West winds 10 to 15 mph. Gusts up to 25 mph until 2400, then 15 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......3000-5000 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....80-85. 24 hr trend......3 degrees cooler. Min humidity........27-33 percent. 24 hr trend......2 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then northwest around 10 mph. Gusts up to 20 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....West 10 to 15 mph. Mixing Height.......1800-3800 ft agl until 1200, then 5800-7800 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Winds generally less than 10 mph. .TUESDAY THROUGH WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. Winds generally less than 10 mph. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 80s. Winds generally less than 10 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the mid 80s. $$ WYZ285-241000- South Bighorn Mountains- 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Partly cloudy then becoming mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....79-84. 24 hr trend......1 degree cooler. Min humidity........23-29 percent. 24 hr trend......10 percent drier. 20-foot winds.......West winds 10 to 15 mph with gusts to around 25 mph. Ridge top winds.....West around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph. Mixing Height.......1800-3800 ft agl until 1200, then 6800-8800 ft agl. Smoke dispersal.....Poor to fair until 1200, then very good. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....56-61. 24 hr trend......2 degrees cooler. Max humidity........45-51 percent. 24 hr trend......35 percent drier. Humidity recovery...Moderate. 20-foot winds.......Northwest winds around 10 mph with gusts to around 25 mph until 2100, then downslope/downvalley 4-7 mph until 2400, then southwest around 10 mph with gusts to around 15 mph. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......2400-4400 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor to fair until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....76-81. 24 hr trend......3 degrees cooler. Min humidity........21-27 percent. 24 hr trend......1 percent drier. 20-foot winds.......West winds around 10 mph with higher gusts. Ridge top winds.....West around 15 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....West around 15 mph. Mixing Height.......2400-4400 ft agl until 1200, then 6800-8800 ft agl. Smoke dispersal.....Poor to fair until 1200, then very good. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Chance of showers and slight chance of thunderstorms in the evening. Lows in the mid 50s. Winds generally less than 10 mph. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Winds generally less than 10 mph. .WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs 76 to 81. West winds around 10 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy. Lows in the upper 50s. Highs in the upper 70s. $$ WYZ281-241000- Johnson County/Casper BLM- Including the cities of Buffalo and Kaycee 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....82-87. 24 hr trend......1 degree warmer. Min humidity........24-30 percent. 24 hr trend......16 percent drier. 20-foot winds.......Southwest winds around 10 mph until 0900, then upslope/upvalley 5-9 mph until 1200, then north around 10 mph. Gusts up to 20 mph. Ridge top winds.....West around 10 mph until 1200, then north. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph. Mixing Height.......1600-3600 ft agl until 1200, then 7000-9000 ft agl. Smoke dispersal.....Poor to fair until 1200, then good to very good. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....57-62. 24 hr trend......3 degrees cooler. Max humidity........53-59 percent. 24 hr trend......28 percent drier. Humidity recovery...Moderate. 20-foot winds.......North winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 20 mph. Ridge top winds.....Northwest around 10 mph until 2400, then southwest. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph until 2400, then southwest. Mixing Height.......2800-4800 ft agl until 2400, then 400 ft agl. Smoke dispersal.....Poor to fair until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms late in the afternoon. Chance of precipitation 20 percent. Chance of thunder...0 percent. Max temperature.....77-82. 24 hr trend......5 degrees cooler. Min humidity........24-30 percent. 24 hr trend......Unchanged. 20-foot winds.......North winds around 10 mph until 1200, then northeast. Gusts up to 20 mph. Ridge top winds.....North around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph. Mixing Height.......1200-3200 ft agl until 1200, then 5600-7600 ft agl. Smoke dispersal.....Poor until 1200, then good. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Chance of showers and slight chance of thunderstorms in the evening. Lows in the upper 50s. Winds generally less than 10 mph. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. Winds generally less than 10 mph. .WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs 84 to 89. West winds around 10 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 80s. .SATURDAY...Partly cloudy. Highs in the upper 80s. $$ WYZ282-241000- South Bighorn Basin/Worland BLM- Including the cities of Ten Sleep, Thermopolis, and Worland 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Partly cloudy. Chance of showers and slight chance of thunderstorms in the afternoon. Chance of precipitation 40 percent. Chance of thunder...20 percent. Max temperature.....81-86. 24 hr trend......2 degrees cooler. Min humidity........22-28 percent. 24 hr trend......1 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north around 10 mph with higher gusts. Ridge top winds.....South around 10 mph until 1200, then north. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph until 1200, then northwest. Mixing Height.......1400-3400 ft agl until 1200, then 6600-8600 ft agl. Smoke dispersal.....Poor until 1200, then good. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....55-60. 24 hr trend......4 degrees cooler. Max humidity........51-57 percent. 24 hr trend......11 percent drier. Humidity recovery...Moderate. 20-foot winds.......Northeast winds around 10 mph and gusty until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....West around 10 mph until 2400, then southwest. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph until 2400, then southwest. Mixing Height.......1800-3800 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms late in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....79-84. 24 hr trend......3 degrees cooler. Min humidity........22-28 percent. 24 hr trend......Unchanged. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north around 10 mph with higher gusts. Ridge top winds.....Northwest around 10 mph until 1200, then north. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......1000-3000 ft agl until 1200, then 6000-8000 ft agl. Smoke dispersal.....Poor until 1200, then good. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. Winds generally less than 10 mph. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the lower 80s. Winds generally less than 10 mph. .WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 80s. Winds generally less than 10 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the mid 80s. $$ WYZ275-241000- North Bighorn Basin/Worland BLM- Including the cities of Greybull, Lovell, and Powell 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Partly cloudy. Slight chance of showers early in the afternoon. Slight chance of thunderstorms in the afternoon. Chance of showers late in the afternoon. Chance of precipitation 30 percent. Chance of thunder...20 percent. Max temperature.....79-84. 24 hr trend......1 degree cooler. Min humidity........23-29 percent. 24 hr trend......2 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west around 10 mph. Gusts up to 20 mph. Ridge top winds.....South around 10 mph until 1200, then west. Chc of wetting rain.Zero percent. Transport winds.....South around 10 mph until 1200, then west. Mixing Height.......1400-3400 ft agl until 1200, then 6400-8400 ft agl. Smoke dispersal.....Poor until 1200, then good. .TONIGHT... Sky/weather.........Partly cloudy. Chance of showers early in the evening. Slight chance of thunderstorms early in the evening. Slight chance of showers early in the evening. Chance of precipitation 40 percent. Chance of thunder...20 percent. Min temperature.....55-60. 24 hr trend......4 degrees cooler. Max humidity........55-61 percent. 24 hr trend......8 percent drier. Humidity recovery...Moderate. 20-foot winds.......West winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 20 mph. Ridge top winds.....West around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph until 2400, then southwest. Mixing Height.......2000-4000 ft agl until 2400, then 400 ft agl. Smoke dispersal.....Poor. .MONDAY... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Max temperature.....76-81. 24 hr trend......4 degrees cooler. Min humidity........19-25 percent. 24 hr trend......1 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north around 10 mph. Gusts up to 20 mph. Ridge top winds.....Northwest around 10 mph until 1200, then north. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph. Mixing Height.......1000-3000 ft agl until 1200, then 6000-8000 ft agl. Smoke dispersal.....Poor until 1200, then good. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. Winds generally less than 10 mph. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. Winds generally less than 10 mph. .WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs 85 to 90. Winds generally less than 10 mph. .FRIDAY...Partly cloudy. Lows in the upper 50s. Highs in the mid 80s. .SATURDAY...Mostly sunny. Highs in the mid 80s. $$ WYZ276-241000- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Partly cloudy. Chance of showers and slight chance of thunderstorms in the afternoon. Chance of precipitation 30 percent. Chance of thunder...20 percent. Max temperature.....82-87. 24 hr trend......Unchanged. Min humidity........26-32 percent. 24 hr trend......5 percent drier. 20-foot winds.......West winds 10 to 15 mph with gusts to around 25 mph. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing Height.......2000-4000 ft agl until 1200, then 7800-9800 ft agl. Smoke dispersal.....Poor to fair until 1200, then very good to excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....56-61. 24 hr trend......4 degrees cooler. Max humidity........47-53 percent. 24 hr trend......12 percent drier. Humidity recovery...Moderate. 20-foot winds.......West winds around 10 mph with gusts to around 25 mph. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......2800-4800 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Max temperature.....78-83. 24 hr trend......4 degrees cooler. Min humidity........25-31 percent. 24 hr trend......Unchanged. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then northeast around 10 mph. Gusts up to 20 mph. Ridge top winds.....Northwest around 10 mph until 1200, then northeast. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......1400-3400 ft agl until 1200, then 6800-8800 ft agl. Smoke dispersal.....Poor until 1200, then very good. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. Winds generally less than 10 mph. .TUESDAY THROUGH WEDNESDAY...Partly cloudy with chance of showers and thunderstorms. Lows 54 to 59. Highs 77 to 82. Winds generally less than 10 mph. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the lower 80s. Southwest winds around 10 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the lower 80s. .SATURDAY...Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. $$ WYZ287-241000- Owl Creek Mountains- 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Partly cloudy. Chance of showers and slight chance of thunderstorms in the afternoon. Chance of precipitation 30 percent. Chance of thunder...20 percent. Max temperature.....77-82. 24 hr trend......1 degree cooler. Min humidity........26-32 percent. 24 hr trend......2 percent drier. 20-foot winds.......Southwest winds around 10 mph and gusty until 1200, then northwest with gusts to around 25 mph. Ridge top winds.....Southwest around 15 mph until 1200, then northwest. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......2000-4000 ft agl until 1200, then 8200-10200 ft agl. Smoke dispersal.....Poor to fair until 1200, then very good. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....56-61. 24 hr trend......3 degrees cooler. Max humidity........41-47 percent. 24 hr trend......13 percent drier. Humidity recovery...Moderate. 20-foot winds.......West winds around 10 mph and gusty. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......2600-4600 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....75-80. 24 hr trend......3 degrees cooler. Min humidity........26-32 percent. 24 hr trend......2 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then east around 10 mph until 1500, then west. Gusts up to 20 mph. Ridge top winds.....Northwest around 10 mph until 1200, then south. Chc of wetting rain.Less than 5 percent. Transport winds.....West 10 to 15 mph. Mixing Height.......1800-3800 ft agl until 1200, then 4400-6400 ft agl. Smoke dispersal.....Fair to good. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. Winds generally less than 10 mph. .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. Winds generally less than 10 mph. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. West winds around 10 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. $$ WYZ286-241000- Absaroka Mountains/North Shoshone NF- Including the city of Pahaska 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....73-78. 24 hr trend......3 degrees cooler. Min humidity........33-39 percent. 24 hr trend......4 percent drier. 20-foot winds.......West winds 10 to 15 mph with gusts to around 35 mph until 1500, then around 20 mph with gusts to around 35 mph. Ridge top winds.....West 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing Height.......1600-3600 ft agl until 1200, then 6200-8200 ft agl. Smoke dispersal.....Poor to fair until 1200, then very good to excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....49-54. 24 hr trend......2 degrees cooler. Max humidity........59-65 percent. 24 hr trend......25 percent drier. Humidity recovery...Good. 20-foot winds.......West winds 10 to 15 mph with gusts to around 35 mph. Ridge top winds.....West 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing Height.......2400-4400 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the afternoon. Chance of showers and thunderstorms late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...0 percent. Max temperature.....70-75. 24 hr trend......1 degree cooler. Min humidity........27-33 percent. 24 hr trend......5 percent drier. 20-foot winds.......West winds 10 to 15 mph with gusts to around 30 mph. Ridge top winds.....West 15 to 20 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....West 15 to 20 mph. Mixing Height.......2800-4800 ft agl until 1200, then 7400-9400 ft agl. Smoke dispersal.....Fair to good until 1200, then very good to excellent. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Lows in the upper 40s. Winds generally less than 10 mph. .TUESDAY...Partly cloudy with showers likely and chance of thunderstorms. Lows in the upper 40s. Highs in the upper 60s. Winds generally less than 10 mph. .WEDNESDAY THROUGH THURSDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the upper 40s. Highs in the lower 70s. West winds around 10 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs around 70. .SATURDAY...Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. $$ WYZ140-241000- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Partly cloudy. Slight chance of showers early in the afternoon. Slight chance of thunderstorms in the afternoon. Chance of showers late in the afternoon. Chance of precipitation 40 percent. Chance of thunder...20 percent. Max temperature.....71-76. 24 hr trend......4 degrees cooler. Min humidity........43-49 percent. 24 hr trend......Unchanged. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then southwest 10 to 15 mph with gusts to around 30 mph. Ridge top winds.....Southwest around 10 mph until 1200, then around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 15 mph until 1200, then around 25 mph. Mixing Height.......1200-3200 ft agl until 1200, then 5600-7600 ft agl. Smoke dispersal.....Poor until 1200, then very good. .TONIGHT... Sky/weather.........Partly cloudy. Chance of showers early in the evening. Slight chance of thunderstorms early in the evening. Slight chance of showers early in the evening. Chance of precipitation 40 percent. Chance of thunder...20 percent. Min temperature.....43-48. 24 hr trend......3 degrees cooler. Max humidity........73-79 percent. 24 hr trend......25 percent drier. Humidity recovery...Excellent. 20-foot winds.......Southwest winds around 10 mph with gusts to around 30 mph until 2400, then downslope/downvalley 4-7 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......2400-4400 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Max temperature.....71-76. 24 hr trend......Unchanged. Min humidity........28-34 percent. 24 hr trend......15 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph. Gusts up to 25 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph until 1200, then west around 20 mph. Mixing Height.......2600-4600 ft agl until 1200, then 7800-9800 ft agl. Smoke dispersal.....Fair to good until 1200, then very good to excellent. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. Winds generally less than 10 mph. .TUESDAY THROUGH WEDNESDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the mid 40s. Highs 70 to 75. Winds generally less than 10 mph. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the lower 70s. Winds generally less than 10 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs around 70. .SATURDAY...Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. $$ WYZ415-241000- North Zone Bridger Teton NF and Grand Teton NP- Including the cities of Jackson and Moran 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....71-76. 24 hr trend......4 degrees cooler. Min humidity........43-49 percent. 24 hr trend......1 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph with gusts to around 30 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph until 1200, then west around 20 mph. Mixing Height.......1400-3400 ft agl until 1200, then 6000-8000 ft agl. Smoke dispersal.....Poor until 1200, then very good. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....45-50. 24 hr trend......2 degrees cooler. Max humidity........72-78 percent. 24 hr trend......20 percent drier. Humidity recovery...Excellent. 20-foot winds.......Southwest winds around 10 mph with gusts to around 25 mph until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....Southwest around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......2200-4200 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Poor to fair until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the afternoon. Chance of showers and thunderstorms late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...20 percent. Max temperature.....69-74. 24 hr trend......1 degree cooler. Min humidity........40-46 percent. 24 hr trend......3 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph. Gusts up to 20 mph. Ridge top winds.....South around 10 mph until 1200, then west. Chc of wetting rain.Less than 5 percent. Transport winds.....Southwest around 10 mph until 1200, then west around 20 mph. Mixing Height.......2400-4400 ft agl until 1200, then 6400-8400 ft agl. Smoke dispersal.....Poor to fair until 1200, then good to very good. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. Winds generally less than 10 mph. .TUESDAY THROUGH THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the lower 70s. Winds generally less than 10 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs 67 to 72. $$ WYZ416-241000- West Wind River Mountains/East Zone Bridger Teton NF- 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Partly cloudy. Slight chance of showers early in the afternoon. Slight chance of thunderstorms in the afternoon. Chance of showers early in the afternoon. Chance of precipitation 50 percent. Chance of thunder...20 percent. Max temperature.....67-72. 24 hr trend......4 degrees cooler. Min humidity........39-45 percent. 24 hr trend......Unchanged. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west 10 to 15 mph. Gusts up to 30 mph. Ridge top winds.....West around 10 mph until 1200, then around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 10 mph until 1200, then around 20 mph. Mixing Height.......1600-3600 ft agl until 1200, then 6200-8200 ft agl. Smoke dispersal.....Poor to fair until 1200, then very good. .TONIGHT... Sky/weather.........Partly cloudy. Chance of showers early in the evening. Slight chance of thunderstorms early in the evening. Slight chance of showers early in the evening. Chance of precipitation 30 percent. Chance of thunder...20 percent. Min temperature.....45-50. 24 hr trend......1 degree cooler. Max humidity........71-77 percent. 24 hr trend......15 percent drier. Humidity recovery...Excellent. 20-foot winds.......West winds around 10 mph with gusts to around 25 mph until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....West around 15 mph until 2400, then south. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......1800-3800 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Poor to fair. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the afternoon. Chance of showers and thunderstorms late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...30 percent. Max temperature.....65-70. 24 hr trend......2 degrees cooler. Min humidity........40-46 percent. 24 hr trend......2 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph. Gusts up to 25 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Zero percent until 1200, then 10 percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......2400-4400 ft agl until 1200, then 5600-7600 ft agl. Smoke dispersal.....Poor to fair until 1200, then good to very good. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening. Lows in the mid 40s. Winds generally less than 10 mph. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 60s. Winds generally less than 10 mph. .WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 60s. Winds generally less than 10 mph. .FRIDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the mid 40s. Highs in the upper 60s. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Highs in the mid 60s. $$ WYZ288-241000- East Wind River Mountains/South Shoshone NF- Including the cities of Dubois and South Pass 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....72-77. 24 hr trend......2 degrees cooler. Min humidity........35-41 percent. 24 hr trend......3 percent drier. 20-foot winds.......West winds 10 to 15 mph with gusts to around 30 mph. Ridge top winds.....West 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing Height.......1800-3800 ft agl until 1200, then 7000-9000 ft agl. Smoke dispersal.....Poor to fair until 1200, then very good to excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....49-54. 24 hr trend......1 degree cooler. Max humidity........55-61 percent. 24 hr trend......19 percent drier. Humidity recovery...Moderate. 20-foot winds.......West winds 10 to 15 mph. Gusts up to 30 mph until 2400, then 20 mph. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......2600-4600 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the afternoon. Chance of showers and thunderstorms late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...30 percent. Max temperature.....70-75. 24 hr trend......2 degrees cooler. Min humidity........36-42 percent. 24 hr trend......1 percent wetter. 20-foot winds.......West winds 10 to 15 mph. Gusts up to 20 mph until 1200, then 30 mph. Ridge top winds.....West 15 to 20 mph. Chc of wetting rain.Zero percent until 1200, then 10 percent. Transport winds.....West 15 to 20 mph. Mixing Height.......3000-5000 ft agl until 1200, then 6200-8200 ft agl. Smoke dispersal.....Fair to good until 1200, then very good. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening. Lows in the upper 40s. Winds generally less than 10 mph. .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the upper 40s. Highs around 70. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows around 50. Highs in the lower 70s. Winds generally less than 10 mph. .THURSDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows around 50. Highs in the lower 70s. West winds around 10 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows around 50. Highs in the lower 70s. $$ WYZ414-241000- Salt and Wyoming Ranges/West Zone Bridger Teton NF- Including the city of Afton 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Partly cloudy then becoming mostly sunny. Slight chance of showers early in the afternoon. Slight chance of thunderstorms in the afternoon. Chance of showers late in the afternoon. Chance of precipitation 40 percent. Chance of thunder...20 percent. Max temperature.....70-75. 24 hr trend......4 degrees cooler. Min humidity........36-42 percent. 24 hr trend......1 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west 10 to 15 mph with gusts to around 30 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph until 1200, then west around 20 mph. Mixing Height.......1600-3600 ft agl until 1200, then 6600-8600 ft agl. Smoke dispersal.....Poor to fair until 1200, then very good. .TONIGHT... Sky/weather.........Partly cloudy. Chance of showers early in the evening. Slight chance of thunderstorms in the evening. Slight chance of showers early in the evening. Chance of precipitation 40 percent. Chance of thunder...20 percent. Min temperature.....45-50. 24 hr trend......2 degrees cooler. Max humidity........75-81 percent. 24 hr trend......15 percent drier. Humidity recovery...Excellent. 20-foot winds.......West winds around 10 mph with gusts to around 25 mph until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......2200-4200 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Poor to fair. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the afternoon. Chance of showers and thunderstorms late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...30 percent. Max temperature.....69-74. 24 hr trend......2 degrees cooler. Min humidity........39-45 percent. 24 hr trend......3 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph with gusts to around 25 mph. Ridge top winds.....South around 10 mph until 1200, then west. Chc of wetting rain.Zero percent until 1200, then 10 percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......2400-4400 ft agl until 1200, then 7000-9000 ft agl. Smoke dispersal.....Poor to fair until 1200, then good to very good. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening. Lows in the upper 40s. Winds generally less than 10 mph. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the lower 70s. Winds generally less than 10 mph. .WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the mid 70s. Winds generally less than 10 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs 69 to 74. $$ WYZ278-241000- Upper Green River Basin/Rock Springs BLM- Including the cities of Big Piney, Farson, and Pinedale 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Partly cloudy. Chance of showers and slight chance of thunderstorms in the afternoon. Chance of precipitation 50 percent. Chance of thunder...20 percent. Max temperature.....74-79. 24 hr trend......3 degrees cooler. Min humidity........29-35 percent. 24 hr trend......1 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west 10 to 15 mph with gusts to around 30 mph. Ridge top winds.....West around 10 mph until 1200, then around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 10 mph until 1200, then around 20 mph. Mixing Height.......1400-3400 ft agl until 1200, then 7600-9600 ft agl. Smoke dispersal.....Poor until 1200, then very good to excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....48-53. 24 hr trend......3 degrees cooler. Max humidity........74-80 percent. 24 hr trend......7 percent drier. Humidity recovery...Excellent. 20-foot winds.......West winds around 10 mph with gusts to around 25 mph until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....Northwest around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......2800-4800 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....72-77. 24 hr trend......3 degrees cooler. Min humidity........33-39 percent. 24 hr trend......5 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph with gusts to around 25 mph. Ridge top winds.....Northwest around 5 mph until 1200, then west around 15 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....West 10 to 15 mph. Mixing Height.......1600-3600 ft agl until 1200, then 4800-6800 ft agl. Smoke dispersal.....Poor until 1200, then good. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Lows in the upper 40s. Winds generally less than 10 mph. .TUESDAY THROUGH THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the upper 70s. Winds generally less than 10 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the upper 70s. $$ WYZ277-241000- Lincoln and Uinta Counties/Lower Elevations- Including the cities of Evanston, Fort Bridger, and Kemmerer 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....76-81. 24 hr trend......3 degrees cooler. Min humidity........25-31 percent. 24 hr trend......2 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 15 mph with gusts to around 25 mph. Ridge top winds.....West around 10 mph until 1200, then around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 10 mph until 1200, then around 20 mph. Mixing Height.......1400-3400 ft agl until 1200, then 7800-9800 ft agl. Smoke dispersal.....Poor until 1200, then very good to excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....49-54. 24 hr trend......2 degrees cooler. Max humidity........69-75 percent. 24 hr trend......10 percent drier. Humidity recovery...Good. 20-foot winds.......West winds around 10 mph with gusts to around 25 mph until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......3200-5200 ft agl until 2400, then 600-800 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms late in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....74-79. 24 hr trend......2 degrees cooler. Min humidity........28-34 percent. 24 hr trend......3 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph with higher gusts. Ridge top winds.....West around 5 mph until 1200, then around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......1800-3800 ft agl until 1200, then 6800-8800 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening. Lows around 50. Winds generally less than 10 mph. .TUESDAY...Partly cloudy. Lows around 50. Highs in the upper 70s. Winds generally less than 10 mph. .WEDNESDAY THROUGH THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the lower 80s. Winds generally less than 10 mph. .FRIDAY...Partly cloudy. Lows around 50. Highs in the upper 70s. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. $$ WYZ279-241000- Sweetwater County/Rock Springs BLM/Flaming Gorge NRA- Including the cities of Green River, Rock Springs, and Wamsutter 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....77-82. 24 hr trend......3 degrees cooler. Min humidity........41-47 percent. 24 hr trend......3 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west 10 to 15 mph with gusts to around 30 mph. Ridge top winds.....Southwest around 10 mph until 1200, then west around 20 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....West 15 to 20 mph. Mixing Height.......1800-3800 ft agl until 1200, then 6800-8800 ft agl. Smoke dispersal.....Poor to fair until 1200, then very good to excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....52-57. 24 hr trend......4 degrees cooler. Max humidity........68-74 percent. 24 hr trend......6 percent drier. Humidity recovery...Good. 20-foot winds.......Southwest winds around 10 mph with gusts to around 25 mph until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......1800-3800 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms late in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....76-81. 24 hr trend......1 degree cooler. Min humidity........40-46 percent. 24 hr trend......Unchanged. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph with gusts to around 25 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......1800-3800 ft agl until 1200, then 6200-8200 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening. Lows in the lower 50s. Winds generally less than 10 mph. .TUESDAY THROUGH THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the lower 50s. Highs 80 to 85. Winds generally less than 10 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. $$ WYZ289-241000- Granite/Green/Ferris/Rattlesnake Mountains- Including the city of Jeffrey City 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....81-86. 24 hr trend......2 degrees cooler. Min humidity........21-27 percent. 24 hr trend......2 percent drier. 20-foot winds.......West winds 10 to 15 mph until 1200, then 15 to 20 mph. Gusts up to 35 mph. Ridge top winds.....West 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing Height.......2000-4000 ft agl until 1200, then 7800-9800 ft agl. Smoke dispersal.....Fair to good until 1200, then excellent. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....55-60. 24 hr trend......4 degrees cooler. Max humidity........56-62 percent. 24 hr trend......11 percent drier. Humidity recovery...Moderate. 20-foot winds.......West winds 10 to 15 mph with gusts to around 30 mph until 2400, then downslope/downvalley 4-7 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......3000-5000 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers early in the afternoon. Slight chance of thunderstorms early in the afternoon. Chance of showers late in the afternoon. Chance of precipitation 40 percent. Chance of thunder...20 percent. Max temperature.....78-83. 24 hr trend......2 degrees cooler. Min humidity........23-29 percent. 24 hr trend......Unchanged. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west 10 to 15 mph. Gusts up to 25 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 10 mph until 1200, then around 20 mph. Mixing Height.......2400-4400 ft agl until 1200, then 8000-10000 ft agl. Smoke dispersal.....Poor to fair until 1200, then very good to excellent. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening. Lows in the lower 50s. Winds generally less than 10 mph. .TUESDAY THROUGH WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 50s. Highs 78 to 83. Winds generally less than 10 mph. .THURSDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. Winds generally less than 10 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. .SATURDAY...Partly cloudy. Highs in the lower 80s. $$ WYZ300-241000- Casper Mountain- 152 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Slight chance of showers and thunderstorms early in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....80-85. 24 hr trend......1 degree cooler. Min humidity........25-31 percent. 24 hr trend......6 percent drier. 20-foot winds.......West winds 10 to 15 mph until 1500, then around 15 mph. Gusts up to 30 mph. Ridge top winds.....West around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing Height.......2200-4200 ft agl until 1200, then 8200-10200 ft agl. Smoke dispersal.....Fair to good until 1200, then excellent. .TONIGHT... Sky/weather.........Partly cloudy. Chance of showers early in the evening. Slight chance of thunderstorms early in the evening. Slight chance of showers early in the evening. Chance of precipitation 30 percent. Chance of thunder...20 percent. Min temperature.....56-61. 24 hr trend......4 degrees cooler. Max humidity........48-54 percent. 24 hr trend......15 percent drier. Humidity recovery...Moderate. 20-foot winds.......West winds around 10 mph with gusts to around 25 mph until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....Southwest around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph until 2400, then southwest. Mixing Height.......3800-5800 ft agl until 2400, then 600 ft agl. Smoke dispersal.....Good until 2400, then poor. .MONDAY... Sky/weather.........Partly cloudy. Slight chance of showers and thunderstorms late in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....78-83. 24 hr trend......3 degrees cooler. Min humidity........26-32 percent. 24 hr trend......Unchanged. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west around 10 mph. Gusts up to 20 mph. Ridge top winds.....West 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......2200-4200 ft agl until 1200, then 8800-10800 ft agl. Smoke dispersal.....Poor to fair until 1200, then very good to excellent. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Chance of showers and slight chance of thunderstorms in the evening. Lows in the mid 50s. Winds generally less than 10 mph. .TUESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. Winds generally less than 10 mph. .WEDNESDAY THROUGH THURSDAY...Partly cloudy. Lows in the mid 50s. Highs 76 to 81. Southwest winds around 10 mph. .FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. .SATURDAY...Partly cloudy. Highs in the upper 70s. $$