FPUS55 KRIW 190633 ZFPRIW Zone Forecast Product for Western and Central Wyoming National Weather Service Riverton WY 1231 AM MDT Tue May 19 2026 WYZ020-191000- Natrona County Lower Elevations- Including the city of Casper 1231 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT TUESDAY... .REST OF TONIGHT...Partly cloudy. Lows in the lower 20s. Southwest winds around 10 mph. .TUESDAY...Mostly sunny. Highs around 50. Southwest winds around 10 mph. .TUESDAY NIGHT...Clear. Lows in the upper 20s. Southwest winds around 10 mph with gusts up to 20 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southwest winds 10 to 15 mph with gusts up to 25 mph, becoming west after midnight. .THURSDAY...Mostly cloudy. A chance of rain and snow showers in the morning, then rain showers likely with a chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the mid 50s. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A chance of rain showers. A slight chance of thunderstorms in the evening, then a chance of snow showers after midnight. Little or no snow accumulation. Lows in the mid 30s. Chance of precipitation 50 percent. .FRIDAY...Partly cloudy. A chance of rain showers with a slight chance of snow showers in the morning, then a slight chance of rain showers and thunderstorms in the afternoon. Highs around 60. Chance of precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 30s. .SATURDAY...Mostly sunny. Highs around 70. .SATURDAY NIGHT...Mostly clear. Lows in the lower 40s. .SUNDAY...Mostly sunny. Highs in the mid 70s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. .MEMORIAL DAY...Mostly sunny and breezy. Highs around 80. $$ WYZ017-191000- Wind River Basin- Including the cities of Riverton and Shoshoni 1231 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT TUESDAY... .REST OF TONIGHT...Partly cloudy. Lows in the mid 20s. .TUESDAY...Sunny. Highs in the lower 50s. South winds around 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows around 30. Southeast winds 10 to 15 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 60. Southwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s. Southwest winds 10 to 15 mph, becoming northeast after midnight. .THURSDAY...Mostly cloudy with rain showers. Snow showers in the morning, then a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the lower 50s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A chance of rain showers. A slight chance of thunderstorms in the evening, then a slight chance of snow showers after midnight. Lows in the mid 30s. Chance of precipitation 40 percent. .FRIDAY...Partly cloudy. A slight chance of. Highs in the lower 60s. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .SATURDAY...Mostly sunny. Highs in the lower 70s. .SATURDAY NIGHT...Mostly clear. Lows in the lower 40s. .SUNDAY...Mostly sunny. Highs in the upper 70s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. .MEMORIAL DAY...Mostly sunny. Highs in the lower 80s. $$ WYZ018-191000- Lander Foothills- Including the city of Lander 1231 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT TUESDAY... .REST OF TONIGHT...Partly cloudy. Cold with lows around 20. .TUESDAY...Sunny. Highs around 50. South winds around 10 mph inthe afternoon. .TUESDAY NIGHT...Mostly clear. Lows around 30. Southwest winds around 10 mph with gusts up to 20 mph. .WEDNESDAY...Partly cloudy. Highs in the upper 50s. South winds around 10 mph with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 30s. Southwest winds around 10 mph. .THURSDAY...Mostly cloudy. Rain and snow showers likely in the morning, then rain showers with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the lower 50s. Chance of precipitation 90 percent. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A 40 percent chance of rain showers. Lows in the lower 30s. .FRIDAY...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .SATURDAY...Mostly sunny. Highs around 70. .SATURDAY NIGHT...Mostly clear. Lows in the lower 40s. .SUNDAY...Mostly sunny. Highs in the mid 70s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. .MEMORIAL DAY...Mostly sunny. Highs around 80. $$ WYZ028-191000- Rock Springs and Green River- Including the cities of Rock Springs and Green River 1231 AM MDT Tue May 19 2026 .REST OF TONIGHT...Partly cloudy. Cold with lows around 20. .TUESDAY...Partly cloudy in the morning, then clearing. Highs in the upper 40s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 20s. .WEDNESDAY...Partly cloudy. Highs in the mid 50s. West winds around 10 mph with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southwest winds around 10 mph. .THURSDAY...Mostly cloudy. A chance of snow and rain showers in the morning, then rain showers likely with a chance of thunderstorms in the afternoon. Little or no snow accumulation. Breezy with highs in the upper 50s. Chance of precipitation 60 percent. .THURSDAY NIGHT...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening. Lows around 30. Chance of rain 30 percent. .FRIDAY...Partly cloudy. A slight chance of. Highs around 60. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .SATURDAY...Mostly sunny. Highs around 70. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 40. .SUNDAY...Mostly sunny. Highs in the mid 70s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 40. .MEMORIAL DAY...Mostly sunny. Highs in the mid 70s. $$ WYZ013-191000- Jackson Hole- Including the city of Jackson 1231 AM MDT Tue May 19 2026 .REST OF TONIGHT...Clear. Lows in the lower 20s. .TUESDAY...Sunny in the morning, then becoming partly cloudy. Highs in the lower 50s. West winds around 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the upper 20s. Southwest winds around 10 mph in the evening. .WEDNESDAY...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 50s. West winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 30 percent. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening, then rain and snow showers after midnight. Little or no snow accumulation. Lows in the mid 30s. Southwest winds around 10 mph with gusts up to 20 mph in the evening. Chance of precipitation 80 percent. .THURSDAY...Rain showers, snow showers with a slight chance of thunderstorms in the morning, then rain showers likely, a chance of thunderstorms and snow showers likely in the afternoon. Little or no snow accumulation. Highs in the mid 50s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. .FRIDAY...Partly cloudy. A slight chance of rain showers and thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 30s. .SATURDAY...Mostly sunny. Highs in the upper 60s. .SATURDAY NIGHT...Mostly clear. Lows in the upper 30s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows around 40. .MEMORIAL DAY...Mostly sunny and breezy. Highs in the mid 70s. $$ WYZ003-191000- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 1231 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT TUESDAY... .REST OF TONIGHT...Mostly clear. Lows in the mid 20s. Southwest winds around 10 mph. .TUESDAY...Sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the upper 50s. South winds around 10 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. Southwest winds around 10 mph. .WEDNESDAY...Partly cloudy in the morning, then mostly cloudy with a chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 60s. West winds around 10 mph. Chance of rain 30 percent. .WEDNESDAY NIGHT...Cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening, then rain showers with snow showers likely after midnight. Little or no snow accumulation. Lows around 40. North winds 10 to 15 mph. Gusts up to 35 mph after midnight. Chance of precipitation 80 percent. .THURSDAY...Rain and snow showers in the morning, then rain showers, snow showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Windy with highs in the lower 50s. Chance of precipitation 90 percent. .THURSDAY NIGHT...Partly cloudy. A chance of rain and snow showers in the evening. Lows in the mid 30s. Chance of precipitation 30 percent. .FRIDAY...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 40s. .SATURDAY...Mostly sunny. Highs in the lower 70s. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 40s. .SUNDAY...Mostly sunny and breezy. Highs in the mid 70s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. .MEMORIAL DAY...Mostly sunny and breezy. Highs in the upper 70s. $$ WYZ004-191000- North Bighorn Basin- Including the cities of Basin, Greybull, Lovell, Powell, and Shell 1231 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT TUESDAY... .REST OF TONIGHT...Clear. Lows in the upper 20s. .TUESDAY...Sunny. Highs around 60. Southeast winds 10 to 15 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. South winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs around 70. South winds around 10 mph in the afternoon. Chance of rain 30 percent. .WEDNESDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. Breezy with lows around 40. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 60 percent. .THURSDAY...Mostly cloudy. Showers with a slight chance of snow showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Windy with highs in the upper 50s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Partly cloudy. A slight chance of rain showers in the evening. Breezy with lows in the mid 30s. Chance of rain 20 percent. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 60s. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 40s. .SATURDAY...Mostly sunny. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .SUNDAY...Mostly sunny. Highs around 80. .SUNDAY NIGHT...Mostly clear. Lows around 50. .MEMORIAL DAY...Mostly sunny. Highs in the mid 80s. $$ WYZ006-191000- Southeast Bighorn Basin- Including the cities of Ten Sleep and Worland 1231 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT TUESDAY... .REST OF TONIGHT...Clear. Lows in the upper 20s. .TUESDAY...Sunny. Highs around 60. South winds around 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. South winds around 10 mph with gusts up to 20 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 60s. Southwest winds around 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of. Lows around 40. Southwest winds around 10 mph, becoming northwest with gusts up to 20 mph after midnight. .THURSDAY...Rain and snow showers likely in the morning, then showers with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Breezy with highs in the mid 50s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of rain showers in the evening, then partly cloudy after midnight. Lows in the mid 30s. Chance of rain 30 percent. .FRIDAY...Partly cloudy. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 40. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. .SUNDAY...Mostly sunny. Highs around 80. .SUNDAY NIGHT...Mostly clear. Lows around 50. .MEMORIAL DAY...Mostly sunny. Highs in the mid 80s. $$ WYZ005-191000- Southwest Bighorn Basin- Including the city of Thermopolis 1231 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT TUESDAY... .REST OF TONIGHT...Mostly clear. Lows in the mid 20s. .TUESDAY...Sunny. Highs in the mid 50s. South winds 10 to 15 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. South winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 60s. South winds around 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A chance of showers after midnight. Lows around 40. Southwest winds around 10 mph, becoming northwest after midnight. Chance of rain 30 percent. .THURSDAY...Showers. Snow showers likely in the morning, then a slight chance of thunderstorms and snow showers in the afternoon. Little or no snow accumulation. Breezy with highs in the mid 50s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A 30 percent chance of rain showers. Breezy with lows in the mid 30s. .FRIDAY...Partly cloudy. A slight chance of. Highs in the mid 60s. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 40. .SATURDAY...Mostly sunny. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .SUNDAY...Mostly sunny. Highs in the upper 70s. .SUNDAY NIGHT...Mostly clear. Lows around 50. .MEMORIAL DAY...Mostly sunny. Highs in the lower 80s. $$ WYZ023-191000- Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 1231 AM MDT Tue May 19 2026 .REST OF TONIGHT...Mostly clear. Lows in the mid 20s. .TUESDAY...Sunny in the morning, then becoming partly cloudy. Highs in the mid 50s. .TUESDAY NIGHT...Mostly clear.Lows around 30. .WEDNESDAY...Partly cloudy. A slight chance of. Highs around 60. West winds around 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of rain showers and thunderstorms in the evening, then rain showers likely with a slight chance of snow showers after midnight. Little or no snow accumulation. Lows in the mid 30s. Southwest winds around 10 mph in the evening. Chance of precipitation 60 percent. .THURSDAY...Rain showers, snow showers with a slight chance of thunderstorms in the morning, then rain showers likely with a chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs around 60. Chance of precipitation 80 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. .FRIDAY...Partly cloudy. A slight chance of rain showers and thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .SATURDAY...Mostly sunny. A slight chance of. Highs around 70. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the mid 70s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .MEMORIAL DAY...Mostly sunny. Highs in the upper 70s. $$ WYZ025-191000- Upper Green River Basin Foothills- Including the city of Pinedale 1231 AM MDT Tue May 19 2026 .REST OF TONIGHT...Mostly cloudy with snow showers likely. Patchy fog. Snow accumulation up to 1 inch. Lows in the lower 20s. Chance of snow 60 percent. .TUESDAY...Partly cloudy in the morning, then clearing. Highs in the upper 40s. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 20s. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the mid 50s. West winds around 10 mph with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain and snow showers after midnight. Lows around 30. West winds around 10 mph with gusts up to 20 mph in the evening. Chance of precipitation 30 percent. .THURSDAY...Rain showers. Snow showers with a slight chance of thunderstorms in the morning, then a chance of thunderstorms with a slight chance of snow showers in the afternoon. Little or no snow accumulation. Highs in the lower 50s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 20s. .FRIDAY...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs around 60. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. .SATURDAY...Mostly sunny. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 30s. .SUNDAY...Mostly sunny. Highs around 70. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .MEMORIAL DAY...Mostly sunny. Highs in the lower 70s. $$ WYZ026-191000- Upper Green River Basin- Including the cities of La Barge, Big Piney, and Farson 1231 AM MDT Tue May 19 2026 .REST OF TONIGHT...Mostly cloudy with a 40 percent chance of snow showers. Patchy fog. Cold with lows around 20. .TUESDAY...Partly cloudy in the morning, then clearing. Highs around 50. .TUESDAY NIGHT...Mostly clear. Lows in the mid 20s. .WEDNESDAY...Partly cloudy. Highs in the mid 50s. West winds around 10 mph with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Mostly cloudy. Lows in the upper 20s. West winds 10 to 15 mph in the evening. .THURSDAY...Rain showers. Snow showers with a slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Little or no snow accumulation. Highsin the mid 50s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening. Lows in the upper 20s. Chance of rain 30 percent. .FRIDAY...Partly cloudy. A slight chance of. Highs around 60. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. .SATURDAY...Mostly sunny. Highs in the upper 60s. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .MEMORIAL DAY...Mostly sunny and breezy. Highs in the mid 70s. $$ WYZ010-191000- Northeast Johnson County- Including the city of Buffalo 1231 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT TUESDAY... .REST OF TONIGHT...Partly cloudy. Lows in the mid 20s. .TUESDAY...Sunny. Not as cool with highs around 60. South winds around 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. South winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 60s. South winds 10 to 15 mph in the morning. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. Northwest winds around 10 mph. .THURSDAY...Showers likely in the morning, then showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the mid 50s. Chance of rain 90 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of rain showers in the evening, then partly cloudy after midnight. Breezy with lows in the mid 30s. Chance of rain 40 percent. .FRIDAY...Partly cloudy with a chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .SATURDAY...Mostly sunny. Highs in the mid 70s. .SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. .SUNDAY...Mostly sunny. Highs around 80. .SUNDAY NIGHT...Mostly clear. Lows in the upper 40s. .MEMORIAL DAY...Mostly sunny. Highs in the mid 80s. $$ WYZ011-191000- Southeast Johnson County- Including the city of Kaycee 1231 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT TUESDAY... .REST OF TONIGHT...Mostly clear. Lows in the upper 20s. Southwest winds around 10 mph. .TUESDAY...Sunny. Highs in the mid 50s. Southwest winds around 10 mph. .TUESDAY NIGHT...Mostly clear. Lows in the lower 30s. South winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 60s. Southwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. West winds around 10 mph with gusts up to 20 mph, becoming north after midnight. .THURSDAY...Mostly cloudy. A chance of rain and snow showers in the morning, then showers with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the mid 50s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A chance of rain showers. Lows in the mid 30s. Chance of rain 40 percent. .FRIDAY...Partly cloudy with a chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .SATURDAY...Mostly sunny. Highs in the lower 70s. .SATURDAY NIGHT...Mostly clear. Lows in the lower 40s. .SUNDAY...Mostly sunny. Highs in the upper 70s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. .MEMORIAL DAY...Mostly sunny and breezy. Highs in the mid 80s. $$ WYZ027-191000- South Lincoln County- Including the cities of Kemmerer and Cokeville 1231 AM MDT Tue May 19 2026 .REST OF TONIGHT...Partly cloudy. Cold with lows around 20. .TUESDAY...Partly cloudy in the morning, then clearing. Highs around 50. .TUESDAY NIGHT...Mostly clear. Lows in the mid 20s. .WEDNESDAY...Partly cloudy. Highs in the mid 50s. West winds around 10 mph with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 30s. West winds around 10 mph with gusts up to 20 mph in the evening. .THURSDAY...Rain showers likely. Snow showers likely with a slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Little or no snow accumulation. Breezy with highs in the mid 50s. Chance of precipitation 60 percent. .THURSDAY NIGHT...Partly cloudy and breezy. Lows around 30. .FRIDAY...Partly cloudy. Highs around 60. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 30s. .SATURDAY...Mostly sunny. Highs in the upper 60s. .SATURDAY NIGHT...Mostly clear. Lows in the mid 30s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows around 40. .MEMORIAL DAY...Mostly sunny and breezy. Highs in the mid 70s. $$ WYZ016-191000- Upper Wind River Basin- Including the city of Dubois 1231 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT TUESDAY... .REST OF TONIGHT...Partly cloudy. Lows in the lower 20s. West winds around 10 mph. .TUESDAY...Mostly sunny. Highs around 50. West winds around 10 mph, becoming southwest in the afternoon. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. Southwest winds around 10 mph in the evening. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the mid 50s. West winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Mostly cloudy. Snow showers likely with a chance of rain showers after midnight. Little or no snow accumulation. Lows in the mid 30s. West winds 10 to 15 mph with gusts up to 25 mph in the evening. Chance of precipitation 60 percent. .THURSDAY...Snow and rain showers. A slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs around 50. Chance of precipitation 90 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of rain and snow showers in the evening, then partly cloudy with a slight chance of rain and snow showers after midnight. Lows around 30. Chance of precipitation 40 percent. .FRIDAY...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .SATURDAY...Mostly sunny and breezy. Highs in the mid 60s. .SATURDAY NIGHT...Mostly clear. Lows around 40. .SUNDAY...Mostly sunny and breezy. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear and breezy. Lows in the lower 40s. .MEMORIAL DAY...Mostly sunny and breezy. Highs in the lower 70s. $$ WYZ001-191000- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 1231 AM MDT Tue May 19 2026 .REST OF TONIGHT...Clear, cold with lows 16 to 22. .TUESDAY...Mostly sunny in the morning, then partly cloudy with a chance of snow showers in the afternoon. Highs in the mid 40s. Southwest winds around 10 mph. Chance of snow 30 percent. .TUESDAY NIGHT...Partly cloudy with a chance of snow showers in the evening, then mostly clear after midnight. Lows in the mid 20s. Southwest winds around 10 mph with gusts up to 20 mph in the evening. Chance of snow 30 percent. .WEDNESDAY...Partly cloudy in the morning, then mostly cloudy with snow showers, rain showers with a chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the upper 40s. Southwest winds around 10 mph with gusts up to 25 mph. Chance of precipitation 80 percent. .WEDNESDAY NIGHT...A slight chance of thunderstorms in the evening. Rain and snow showers. Light snow accumulation. Lows around 30. Northwest winds around 10 mph with gusts up to 25 mph in the evening. Chance of precipitation 90 percent. .THURSDAY...Mostly cloudy with snow showers in the morning, then partly cloudy with a chance of snow showers, rain showers with a slight chance of thunderstorms in the afternoon. New light snow accumulation. Highs in the mid 40s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 20s. .FRIDAY...Partly cloudy. A chance of rain showers, snow showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Chance of precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy. Lows around 30. .SATURDAY...Mostly sunny. A slight chance of. Highs in the upper 50s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 30s. .SUNDAY...Mostly sunny. Highs in the lower 60s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .MEMORIAL DAY...Mostly sunny and breezy. Highs in the mid 60s. $$ WYZ029-191000- Flaming Gorge- 1231 AM MDT Tue May 19 2026 .REST OF TONIGHT...Mostly clear. Lows around 20. .TUESDAY...Mostly sunny. Highs in the mid 40s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 20s. .WEDNESDAY...Mostly sunny. Highs in the mid 50s. West winds around 10 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s. Southwest winds around 10 mph in the evening. .THURSDAY...Partly cloudy with a chance of rain and snow showers in the morning, then mostly cloudy with rain showers likely with a chance of thunderstorms in the afternoon. Little or no snow accumulation. Breezy with highs in the upper 50s. Chance of precipitation 70 percent. .THURSDAY NIGHT...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening. Lows in the mid 30s. Chance of rain 30 percent. .FRIDAY...Partly cloudy. A slight chance of. Highs around 60. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 30s. .SATURDAY...Mostly sunny. Highs in the upper 60s. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 40s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .MEMORIAL DAY...Mostly sunny. Highs in the mid 70s. $$ WYZ022-191000- Casper Mountain- 1231 AM MDT Tue May 19 2026 .REST OF TONIGHT...Partly cloudy. Patchy fog. Cold with lows 15 to 21. Southwest winds around 10 mph. .TUESDAY...Partly cloudy in the morning, then clearing. Highs around 40. Southwest winds around 10 mph in the morning. .TUESDAY NIGHT...Mostly clear. Lows in the mid 20s. South winds around 10 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 40s. Southwest winds around 10 mph with gusts up to 20 mph. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 30. South winds around 10 mph with gusts up to 20 mph. .THURSDAY...Mostly cloudy. Rain showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 40s. Chance of rain 60 percent. .THURSDAY NIGHT...Mostly cloudy. Rain showers, snow showers likely with a slight chance of thunderstorms in the evening, then a chance of rain and snow showers after midnight. Little or no snow accumulation. Lows in the lower 30s. Chance of precipitation 60 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of rain showers. A chance of snow showers in the morning, then a slight chance of thunderstorms and snow showers in the afternoon. Highs in the lower 50s. Chance of precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 30s. .SATURDAY...Mostly sunny. Highs in the lower 60s. .SATURDAY NIGHT...Mostly clear. Lows in the lower 40s. .SUNDAY...Mostly sunny. Highs in the upper 60s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. .MEMORIAL DAY...Mostly sunny. Highs in the lower 70s. $$ WYZ002-191000- Absaroka Mountains- 1231 AM MDT Tue May 19 2026 .REST OF TONIGHT...Partly cloudy. Cold with lows 9 to 19 above. West winds around 10 mph. .TUESDAY...Sunny in the morning, then partly cloudy with a chance of snow showers in the afternoon. Highs in the mid 40s. West winds around 10 mph. Chance of snow 30 percent. .TUESDAY NIGHT...Partly cloudy with a chance of snow showers in the evening, then clear after midnight. Lows in the mid 20s. West winds around 10 mph with gusts up to 20 mph. Chance of snow 30 percent. .WEDNESDAY...Partly cloudy. Snow showers likely, a chance of thunderstorms and rain showers in the afternoon. Little or no snow accumulation. Highs in the mid 40s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Mostly cloudy. Snow showers likely with possible rain showers and thunderstorms in the evening, then snow and rain showers after midnight. Light snow accumulation. Lows around 30. West winds 10 to 15 mph. Chance of precipitation 90 percent. .THURSDAY...A slight chance of thunderstorms. Snow showers. New moderate snow accumulation. Highs in the upper 30s. Chance of snow 90 percent. .THURSDAY NIGHT...Partly cloudy. A chance of snow showers with a slight chance of rain showers in the evening. Lows in the mid 20s. Chance of precipitation 30 percent. .FRIDAY...Partly cloudy. A chance of snow showers, rain showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 40s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. .SATURDAY...Mostly sunny and breezy. Highs in the lower 50s. .SATURDAY NIGHT...Mostly clear and breezy. Lows in the mid 30s. .SUNDAY...Mostly sunny and breezy. Highs in the upper 50s. .SUNDAY NIGHT...Mostly clear and breezy. Lows in the upper 30s. .MEMORIAL DAY...Mostly sunny and breezy. Highs around 60. $$ WYZ007-191000- Owl Creek and Bridger Mountains- 1231 AM MDT Tue May 19 2026 .REST OF TONIGHT...Mostly clear. Lows in the lower 20s. .TUESDAY...Mostly sunny. Highs in the upper 40s. South winds 10 to 15 mph. .TUESDAY NIGHT...Mostly clear. Lows in the lower 30s. South winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 50s. Southwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain and snow showers after midnight. Lows in the upper 30s. West winds 10 to 15 mph, becoming north after midnight. Chance of precipitation 30 percent. .THURSDAY...Snow and rain showers. A slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Breezy with highs in the upper 40s. Chance of precipitation 90 percent. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A chance of rain and snow showers. Breezy with lows in the mid 30s. Chance of precipitation 30 percent. .FRIDAY...Partly cloudy. A slight chance of. Highs in the upper 50s. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 40. .SATURDAY...Mostly sunny. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .SUNDAY...Mostly sunny. Highs in the lower 70s. .SUNDAY NIGHT...Mostly clear. Lows in the upper 40s. .MEMORIAL DAY...Mostly sunny and breezy. Highs in the mid 70s. $$ WYZ008-191000- Bighorn Mountains West- 1231 AM MDT Tue May 19 2026 .REST OF TONIGHT...Mostly clear. Cold with lows around 20. North winds around 10 mph. .TUESDAY...Mostly sunny. Highs in the mid 40s. West winds around 10 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. South winds around 10 mph, becoming southeast after midnight. Gusts up to 25 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the lower 50s. Southwest winds around 10 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Mostly cloudy. Rain showers likely with a chance of snow showers after midnight. Little or no snow accumulation. Lows in the mid 30s. Southwest winds around 10 mph with gusts up to 25 mph, becoming northeast after midnight. Chance of precipitation 60 percent. .THURSDAY...Snow and rain showers. A slight chance of thunderstorms in the afternoon. Light snow accumulation. Highs in the mid 40s. Chance of precipitation 90 percent. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A chance of rain and snow showers. Lows in the lower 30s. Chance of precipitation 40 percent. .FRIDAY...Partly cloudy with a slight chance of rain showers. A slight chance of snow showers in the morning, then a chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Chance of precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .SATURDAY...Mostly sunny. Highs in the lower 60s. .SATURDAY NIGHT...Mostly clear. Lows in the lower 40s. .SUNDAY...Mostly sunny. Highs in the mid 60s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. .MEMORIAL DAY...Mostly sunny and breezy. Highs in the upper 60s. $$ WYZ009-191000- Bighorn Mountains Southeast- 1231 AM MDT Tue May 19 2026 .REST OF TONIGHT...Partly cloudy and cold. Near steady temperature in the lower 20s. West winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY...Mostly sunny. Highs in the mid 40s. West winds around 10 mph. .TUESDAY NIGHT...Mostly clear. Lows in the upper 20s. West winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the lower 50s. West winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of. Lows in the lower 30s. West winds 10 to 15 mph. .THURSDAY...Snow showers. Rain showers likely in the morning, then rain showers with a slight chance of thunderstorms in the afternoon. Light snow accumulation. Highs in the mid 40s. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A chance of rain and snow showers. New little or no snow accumulation. Lows in the lower 30s. Chance of precipitation 50 percent. .FRIDAY...Partly cloudy. A slight chance of rain and snow showers in the morning, then a chance of rain showers, snow showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Chance of precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .SATURDAY...Mostly sunny. Highs in the lower 60s. .SATURDAY NIGHT...Mostly clear. Lows in the lower 40s. .SUNDAY...Mostly sunny and breezy. Highs in the mid 60s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. .MEMORIAL DAY...Mostly sunny and breezy. Highs around 70. $$ WYZ012-191000- Teton and Gros Ventre Mountains- 1231 AM MDT Tue May 19 2026 .REST OF TONIGHT...Mostly clear. Cold with lows 15 to 23. .TUESDAY...Mostly sunnyin the morning, then becoming partly cloudy. Highs in the mid 40s. West winds around 10 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 20s. Southwest winds around 10 mph, becoming south after midnight. .WEDNESDAY...Partly cloudy. A chance of snow showers, rain showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 40s. Southwest winds around 10 mph, becoming west in the afternoon. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Mostly cloudy. A chance of snow showers, rain showers with a slight chance of thunderstorms in the evening, then snow and rain showers after midnight. Little or no snow accumulation. Lows in the lower 30s. Southwest winds 10 to 15 mph. Chance of precipitation 80 percent. .THURSDAY...Snow showers with a slight chance of thunderstorms in the morning, then snow showers likely, a chance of thunderstorms and rain showers likely in the afternoon. Light snow accumulation. Highs in the mid 40s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. .FRIDAY...Partly cloudy. A chance of rain showers, snow showers with a slight chance of thunderstorms in the afternoon. Highs around 50. Chance of precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 30s. .SATURDAY...Mostly sunny. Highs in the upper 50s. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .SUNDAY...Mostly sunny and breezy. Highs in the lower 60s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .MEMORIAL DAY...Mostly sunny and breezy. Highs in the lower 60s. $$ WYZ014-191000- Wind River Mountains West- 1231 AM MDT Tue May 19 2026 .REST OF TONIGHT...Partly cloudy with snow showers likely. Patchy fog. Snow accumulation up to 1 inch. Cold with lows 11 to 21. Chance of snow 60 percent. .TUESDAY...Partly cloudy. A chance of snow showers in the afternoon. Highs in the upper 30s. West winds around 10 mph in the afternoon. Chance of snow 30 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 20s. .WEDNESDAY...Partly cloudy. A slight chance of. Highs in the lower 40s. West winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Mostly cloudy. Snow showers likely after midnight. Little or no snow accumulation. Lows in the upper 20s. West winds 10 to 15 mph with gusts up to 25 mph in the evening. Chance of snow 60 percent. .THURSDAY...Snow showers. A slight chance of thunderstorms in the morning, then rain showers with a chance of thunderstorms in the afternoon. Light snow accumulation. Highs in the lower 40s. Chance of precipitation 90 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of snow showers, rain showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 20s. Chance of precipitation 30 percent. .FRIDAY...Partly cloudy. A chance of snow showers, rain showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 40s. Chance of precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. .SATURDAY...Mostly sunny. Highs in the lower 50s. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 30s. .SUNDAY...Mostly sunny and breezy. Highs in the upper 50s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .MEMORIAL DAY...Mostly sunny and breezy. Highs around 60. $$ WYZ015-191000- Wind River Mountains East- 1231 AM MDT Tue May 19 2026 .REST OF TONIGHT...Partly cloudy. Cold with lows 8 to 18 above. West winds around 10 mph. .TUESDAY...Mostly sunny in the morning, then partly cloudy with snow showers likely in the afternoon. Snow accumulation up to 1 inch. Highs in the upper 30s. Northwest winds around 10 mph, becoming west in the afternoon. Chance of snow 60 percent. .TUESDAY NIGHT...Partly cloudy with a chance of snow showers in the evening, then clear after midnight. Lows in the lower 20s. Southwest winds around 10 mph. Chance of snow 30 percent. .WEDNESDAY...Partly cloudy. A slight chance of. Highs in the lower 40s. West winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. .WEDNESDAY NIGHT...Mostly cloudy. Snow showers likely after midnight. Little or no snow accumulation. Lows around 30. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the evening. Chance of snow 60 percent. .THURSDAY...Snow showers in the morning, then snow showers, a chance of thunderstorms and rain showers in the afternoon. Snow may be heavy at times in the afternoon. Moderate snow accumulation. Highs in the upper 30s. Chance of precipitation 90 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of snow showers, rain showers with a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of rain and snow showers after midnight. Lows in the lower 20s. Chance of precipitation 40 percent. .FRIDAY...Partly cloudy. A chance of snow showers, rain showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 40s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. .SATURDAY...Mostly sunny and breezy. Highs in the lower 50s. .SATURDAY NIGHT...Mostly clear and breezy. Lows in the mid 30s. .SUNDAY...Mostly sunny and breezy. Highs in the upper 50s. .SUNDAY NIGHT...Mostly clear and breezy. Lows in the upper 30s. .MEMORIAL DAY...Mostly sunny and breezy. Highs around 60. $$ WYZ019-191000- Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 1231 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT TUESDAY... .REST OF TONIGHT...Mostly cloudy. Patchy fog. Cold with lows 14 to 20. .TUESDAY...Partly cloudy in the morning, then clearing. Patchy fog in the morning. Highs in the lower 40s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 20s. South winds around 10 mph, becoming southwest after midnight. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 40s. Southwest winds around 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southwest winds around 10 mph. .THURSDAY...Mostly cloudy. A chance of snow and rain showers in the morning, then rain showers likely with possible thunderstorms and snow showers in the afternoon. Little or no snow accumulation. Highs in the upper 40s. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A chance of rain and snow showers. Lows around 30. Chance of precipitation 40 percent. .FRIDAY...A slight chance of snow showers in the morning. Partly cloudy with a slight chance of rain showers. Highs in the mid 50s. Chance of precipitation 20 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 30s. .SATURDAY...Mostly sunny. Highs in the mid 60s. .SATURDAY NIGHT...Mostly clear. Lows in the upper 30s. .SUNDAY...Mostly sunny. Highs around 70. .SUNDAY NIGHT...Mostly clear. Lows in the lower 40s. .MEMORIAL DAY...Mostly sunny. Highs in the mid 70s. $$ WYZ024-191000- Salt River and Wyoming Ranges- 1231 AM MDT Tue May 19 2026 .REST OF TONIGHT...Mostly clear with a 30 percent chance of snow showers. Cold with lows around 20. .TUESDAY...Mostly sunny in the morning, then partly cloudy with a chance of snow showers in the afternoon. Highs in the mid 40s. West winds around 10 mph in the afternoon. Chance of snow30 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 20s. Southwest winds around 10 mph in the evening. .WEDNESDAY...Partly cloudy. A slight chance of. Highs in the upper 40s. West winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of snow and rain showers after midnight. Little or no snow accumulation. Lows in the lower 30s. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the evening. Chance of precipitation 50 percent. .THURSDAY...Snow showers, rain showers with a slight chance of thunderstorms in the morning, then rain showers, snow showers likely with a chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the upper 40s. Chance of precipitation 80 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. .FRIDAY...Partly cloudy. A chance of rain showers, snow showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Chance of precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 30s. .SATURDAY...Mostly sunny. A slight chance of. Highs in the lower 60s. .SATURDAY NIGHT...Mostly clear. Lows in the upper 30s. .SUNDAY...Mostly sunny and breezy. Highs in the mid 60s. .SUNDAY NIGHT...Mostly clear. Lows around 40. .MEMORIAL DAY...Mostly sunny and breezy. Highs in the upper 60s. $$ WYZ030-191000- East Sweetwater County- Including the city of Wamsutter 1231 AM MDT Tue May 19 2026 .REST OF TONIGHT...Mostly cloudy. Cold with lows 14 to 20. .TUESDAY...Partly cloudy in the morning, then clearing. Highs in the lower 40s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 20s. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 40s. West winds around 10 mph with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Lows around 30. Southwest winds around 10 mph with gusts up to 20 mph in the evening. .THURSDAY...Mostly cloudy. A chance of snow showers with a slight chance of rain showers in the morning, then rain showers likely with a chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the lower 50s. Chance of precipitation 60 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of rain showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows around 30. Chance of rain 40 percent. .FRIDAY...Partly cloudy. Highs around 60. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 30s. .SATURDAY...Mostly sunny. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 40. .SUNDAY...Mostly sunny. Highs around 70. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 40. .MEMORIAL DAY...Mostly sunny. Highs in the mid 70s. $$