FNUS56 KMFR 182119 FWFMFR Fire Weather Forecast for southern Oregon and northern California National Weather Service Medford, OR 219 PM PDT Mon May 18 2026 .DISCUSSION...The air mass is expected to be dry and stable this week with diurnal afternoon breezes. Meanwhile, an overall warming trend is expected through the week starting tomorrow, including above normal highs with northeast winds at the south coast. Slight cooling is possible towards the end of this weekend or early next week. ORZ615-618-191115- South Central Oregon Coast-Southern Oregon Coast- 219 PM PDT Mon May 18 2026 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......40-50. * Max humidity..........75-95 percent. * 20-foot winds......... * Coast.....North winds 5 to 10 mph. Gusts up to 20 mph in the evening. * Inland....North winds 5 to 10 mph. Gusts up to 25 mph in the evening. * Mixing Height.....................500-2100 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Brookings 50 72 North Bend 45 93 .TUESDAY... * Sky/weather...........Partly cloudy until 0900, then sunny. * Max temperature.......60-70. * Min humidity..........60-70 percent valleys and 50-60 percent ridges. * 20-foot winds......... * Coast.....North winds 5 to 10 mph. Gusts up to 25 mph in the afternoon. * Inland....North winds 5 to 15 mph with gusts to around 25 mph. * Mixing Height.....................500-3100 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Brookings 72 39 North Bend 66 60 .TUESDAY NIGHT... * Sky/weather...........Partly cloudy until 2100, then mostly cloudy. * Min temperature.......Around 50. * Max humidity..........85-100 percent. * 20-foot winds......... * Coast.....North winds 5 to 10 mph with gusts to around 20 mph. * Inland....North winds 5 to 10 mph with gusts to around 25 mph. * Mixing Height.....................500-2300 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Brookings 52 85 North Bend 50 91 .WEDNESDAY... * Sky/weather...........Mostly cloudy until 0900, then partly cloudy until noon, then sunny. * Max temperature.......60-70. * Min humidity..........60-75 percent valleys and 55-60 percent ridges. * 20-foot winds......... * Coast.....North winds 5 to 10 mph. Gusts up to 25 mph late in the afternoon. * Inland....North winds 5 to 15 mph with gusts to around 25 mph. * Mixing Height.....................400-3100 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Brookings 72 43 North Bend 65 60 .EXTENDED... .WEDNESDAY NIGHT...Partly cloudy. Lows 45 to 50. North winds 5 to 10 mph. .THURSDAY...Mostly clear. Highs 65 to 75. North winds 5 to 10 mph. .FRIDAY...Partly cloudy. Lows 45 to 55. Highs 60 to 70. North winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows 45 to 50. Highs 65 to 70. North winds 5 to 8 mph. .SUNDAY...Partly cloudy. Lows 45 to 50. Highs 60 to 70. .MEMORIAL DAY...Partly cloudy with a chance of rain. Lows 45 to 50. Highs 60 to 65. $$ ORZ616-191115- Umpqua Basin- 219 PM PDT Mon May 18 2026 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......40-45. * Max humidity..........85-90 percent valleys and 70-80 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...Northwest winds 5 to 8 mph with gusts to around 20 mph in the evening becoming light. * Ridges/upr slopes....North winds 5 to 10 mph. Gusts up to 20 mph early in the evening. * Mixing Height.....................2700-4300 ft AGL until 2100, then 500 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP North Bank 43 82 Roseburg 45 83 Silver Butte 40 68 .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......70-75 valleys and 60-65 ridges. * Min humidity..........35-45 percent valleys and 40-55 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 8 mph. * Ridges/upr slopes....North winds 5 to 10 mph. Gusts up to 20 mph late in the afternoon. * Mixing Height.....................400-1600 ft AGL until noon, then 3100-4500 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP North Bank 69 37 Roseburg 75 31 Silver Butte 65 41 .TUESDAY NIGHT... * Sky/weather...........Partly cloudy until 2100, then mostly cloudy. * Min temperature.......45-50. * Max humidity..........90-95 percent valleys and 75-85 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 6 mph. Gusts up to 20 mph early in the evening. * Ridges/upr slopes....North winds 5 to 6 mph. Gusts up to 20 mph in the evening. * Mixing Height.....................2800-4000 ft AGL until 2100, then 500-900 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP North Bank 48 88 Roseburg 50 91 Silver Butte 46 84 10 .WEDNESDAY... * Sky/weather...........Mostly cloudy until 0900, then partly cloudy until noon, then sunny. * Max temperature.......70-75 valleys and 60-65 ridges. * Min humidity..........35-50 percent valleys and 45-55 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 6 mph. * Ridges/upr slopes....North winds 5 to 8 mph. Gusts up to 20 mph late in the afternoon. * Mixing Height.....................400-1700 ft AGL until noon, then 2500-4200 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP North Bank 69 36 Roseburg 75 31 Silver Butte 65 43 .EXTENDED... .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 40s. North winds 5 to 8 mph. .THURSDAY...Mostly clear. Highs 70 to 80. Light winds becoming north 5 to 8 mph in the afternoon and evening. .FRIDAY...Mostly clear. Lows 45 to 50. Highs 70 to 80. Northwest winds 5 to 6 mph. .SATURDAY...Mostly clear. Lows 45 to 50. Highs 70 to 75. Northwest winds 5 to 6 mph. .SUNDAY...Mostly clear. Lows 45 to 50. Highs 65 to 75. .MEMORIAL DAY...Partly cloudy with a chance of rain. Lows 45 to 50. Highs 60 to 70. $$ ORZ617-191115- Umpqua National Forest- 219 PM PDT Mon May 18 2026 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......35-45 valleys and 30-35 ridges. * Max humidity..........65-85 percent. * 20-foot winds......... * Valleys/lwr slopes...Northeast winds 5 to 10 mph. Gusts up to 20 mph early in the evening. * Ridges/upr slopes....Northeast winds 5 to 10 mph with gusts to around 25 mph. * Mixing Height.....................4000-5000 ft AGL until 2100, then 400-800 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Toketee Falls 37 91 .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......60-70 valleys and 55-60 ridges. * Min humidity..........35-50 percent. * 20-foot winds......... * Valleys/lwr slopes...Northwest winds 5 to 10 mph. * Ridges/upr slopes....Northwest winds 5 to 15 mph. Gusts up to 25 mph in the afternoon. * Mixing Height.....................400 ft AGL until 0900. 3600-5500 ft AGL after noon. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Toketee Falls 72 32 .TUESDAY NIGHT... * Sky/weather...........Partly cloudy until 2100, then mostly cloudy until 0300, then partly cloudy. * Min temperature.......40-45. * Max humidity..........75-85 percent. * 20-foot winds......... * Valleys/lwr slopes...North winds 6 to 10 mph in the evening becoming light. * Ridges/upr slopes....Northwest winds 6 to 10 mph with gusts to around 25 mph in the evening becoming light. * Mixing Height.....................3300-3900 ft AGL until 2100, then 400-700 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Toketee Falls 41 93 .WEDNESDAY... * Sky/weather...........Mostly cloudy until 0900, then partly cloudy until noon, then sunny. * Max temperature.......60-70. * Min humidity..........40-55 percent valleys and 35-45 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...Light winds becoming northwest 6 to 10 mph in the afternoon. * Ridges/upr slopes....Light winds becoming northwest 6 to 10 mph with gusts to around 20 mph in the afternoon. * Mixing Height.....................400-1200 ft AGL until noon, then 2500-5000 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Toketee Falls 75 35 .EXTENDED... .WEDNESDAY NIGHT...Partly cloudy. Lows 40 to 45. North winds 5 to 8 mph. .THURSDAY...Mostly clear. Highs 65 to 75. East winds up to 5 mph shifting to the northwest 5 to 8 mph in the afternoon and evening. .FRIDAY...Mostly clear. Lows 45 to 50. Highs 65 to 75. Northwest winds 5 to 6 mph. .SATURDAY...Mostly clear. Lows 45 to 50. Highs 65 to 75. Northwest winds 5 to 6 mph. .SUNDAY...Mostly clear. Lows 40 to 50. Highs 60 to 70. .MEMORIAL DAY...Partly cloudy with a chance of rain. Lows 40 to 45. Highs 55 to 65. $$ ORZ619-191115- Western Siskiyou National Forest- 219 PM PDT Mon May 18 2026 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......45-50. * Max humidity..........60-75 percent. * 20-foot winds......... * Valleys/lwr slopes...Northeast winds 5 to 10 mph. Gusts up to 20 mph in the evening. * Ridges/upr slopes....Northeast winds 5 to 15 mph. Gusts up to 30 mph. * Mixing Height.....................2000-3400 ft AGL until 2100, then 600 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Quail Prairie 47 57 Agness 46 82 .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......70-75 valleys and 60-70 ridges. * Min humidity..........35-50 percent. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 10 mph. Gusts up to 20 mph late in the afternoon. * Ridges/upr slopes....North winds 5 to 15 mph. * Mixing Height.....................500-1600 ft AGL until noon, then 3000-4900 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Quail Prairie 73 33 Agness 79 35 .TUESDAY NIGHT... * Sky/weather...........Partly cloudy until midnight, then mostly cloudy. * Min temperature.......Around 50. * Max humidity..........70-85 percent. * 20-foot winds......... * Valleys/lwr slopes...Northeast winds 5 to 10 mph. Gusts up to 20 mph in the evening. * Ridges/upr slopes....Northeast winds 5 to 15 mph with gusts to around 30 mph. * Mixing Height.....................2200-3100 ft AGL until 2100, then 600 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Quail Prairie 52 67 Agness 50 90 .WEDNESDAY... * Sky/weather...........Mostly cloudy until 0900, then partly cloudy until noon, then sunny. * Max temperature.......65-75. * Min humidity..........40-55 percent. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 15 mph. Gusts up to 20 mph in the afternoon. * Ridges/upr slopes....North winds 5 to 15 mph with gusts to around 25 mph. * Mixing Height.....................400-1200 ft AGL until noon, then 2700-4600 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Quail Prairie 74 37 Agness 79 40 .EXTENDED... .WEDNESDAY NIGHT...Mostly clear. Lows 45 to 55. North winds 6 to 10 mph. .THURSDAY...Mostly clear. Highs 70 to 80. Northeast winds 6 to 10 mph. .FRIDAY...Mostly clear. Lows 50 to 55. Highs 70 to 80. North winds 5 to 10 mph. .SATURDAY...Mostly clear. Lows 50 to 55. Highs 65 to 75. Northwest winds 5 to 8 mph. .SUNDAY...Mostly clear. Lows 45 to 55. Highs 65 to 70. .MEMORIAL DAY...Partly cloudy. Lows 45 to 50. Highs 60 to 65. $$ ORZ620-622-191115- Western Rogue Basin including the Illinois Valley- Eastern Rogue Valley- 219 PM PDT Mon May 18 2026 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......40-45. * Max humidity..........75-90 percent valleys and 60-70 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 8 mph. Gusts up to 25 mph in the evening. * Ridges/upr slopes....North winds 5 to 8 mph. Gusts up to 30 mph in the evening. * Mixing Height.....................4000-5600 ft AGL until 2100, then 400-900 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Onion Mtn 41 66 Illinois Vly 40 89 Medford 42 79 .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......75-80 valleys and 60-65 ridges. * Min humidity..........25-30 percent valleys and 30-40 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 8 mph. * Ridges/upr slopes....North winds 5 to 10 mph with gusts to around 20 mph. * Mixing Height.....................400-1800 ft AGL until noon, then 3300-5700 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Onion Mtn 64 34 Illinois Vly 80 22 Medford 80 21 .TUESDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......45-50. * Max humidity..........80-90 percent valleys and 65-80 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 8 mph. Gusts up to 25 mph in the evening. * Ridges/upr slopes....North winds 5 to 8 mph with gusts to around 25 mph. * Mixing Height.....................3500-4500 ft AGL until 2100, then 400-1000 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Onion Mtn 47 73 Illinois Vly 45 91 Medford 46 80 .WEDNESDAY... * Sky/weather...........Partly cloudy in the morning then clearing. * Max temperature.......75-80 valleys and 60-65 ridges. * Min humidity..........25-35 percent valleys and 35-45 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...Light winds becoming north 5 to 8 mph in the afternoon. * Ridges/upr slopes....North winds 5 to 10 mph with gusts to around 20 mph. Near Ashland, light winds becoming northwest 5 to 10 mph in the afternoon. * Mixing Height.....................500-1400 ft AGL until noon, then 2500-4600 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Onion Mtn 64 39 Illinois Vly 81 27 Medford 81 25 .EXTENDED... .WEDNESDAY NIGHT...Mostly clear. Lows 45 to 50. North winds 5 to 10 mph. .THURSDAY...Mostly clear. Highs 75 to 85. Northeast winds 5 to 6 mph shifting to the north 5 to 10 mph in the afternoon and evening. .FRIDAY...Mostly clear. Lows around 50. Highs 75 to 85. North winds 5 to 10 mph. .SATURDAY...Mostly clear. Lows around 50. Highs 75 to 85. Northwest winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 45 to 50. Highs 70 to 80. .MEMORIAL DAY...Partly cloudy. Lows 45 to 50. Highs 65 to 75. $$ ORZ621-623-191115- Siskiyou Mountains-Southern Oregon Cascades- 219 PM PDT Mon May 18 2026 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......35-40. * Max humidity..........60-75 percent. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 8 mph with gusts to around 20 mph shifting to the northeast around 5 mph after midnight. Near Highway 66, northwest winds 9 to 20 mph shifting to the north 5 to 8 mph after midnight. * Ridges/upr slopes....Northwest winds 5 to 10 mph with gusts to around 30 mph shifting to the northeast 5 to 6 mph after midnight. * Mixing Height.....................4900-6400 ft AGL until 2100, then 500-1000 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Acorn Woman Pk 37 60 Mt Stella 38 65 .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......65-70 valleys and 55-60 ridges. * Min humidity..........25-35 percent. * 20-foot winds......... * Valleys/lwr slopes...Northeast winds 5 to 6 mph shifting to the north 5 to 8 mph in the afternoon. * Ridges/upr slopes....East winds 5 to 6 mph shifting to the northwest 6 to 10 mph with gusts to around 20 mph in the afternoon. * Mixing Height.....................500 ft AGL until 0900. 4300-6800 ft AGL after noon. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Acorn Woman Pk 59 34 Mt Stella 64 33 .TUESDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......35-45. * Max humidity..........65-80 percent. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 10 mph. Gusts up to 20 mph in the evening. * Ridges/upr slopes....North winds 5 to 10 mph. Gusts up to 25 mph in the evening. * Mixing Height.....................3800-4600 ft AGL until 2100, then 400-800 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Acorn Woman Pk 42 65 Mt Stella 44 67 .WEDNESDAY... * Sky/weather...........Partly cloudy early in the morning then clearing. * Max temperature.......70-75 valleys and 60-65 ridges. * Min humidity..........30-40 percent. * 20-foot winds......... * Valleys/lwr slopes...Light winds becoming north 5 to 8 mph in the afternoon. * Ridges/upr slopes....Northwest winds 5 to 8 mph. Gusts up to 20 mph late in the afternoon. * Mixing Height.....................400-1400 ft AGL until noon, then 3000-6600 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Acorn Woman Pk 61 40 Mt Stella 66 37 .EXTENDED... .WEDNESDAY NIGHT...Mostly clear. Lows 40 to 45. North winds 5 to 10 mph. .THURSDAY...Mostly clear. Highs 65 to 75. East winds 5 to 6 mph shifting to the northwest 5 to 10 mph in the afternoon and evening. .FRIDAY...Mostly clear. Lows 40 to 50. Highs 65 to 75. Northwest winds 5 to 10 mph. .SATURDAY...Mostly clear. Lows 40 to 50. Highs 65 to 75. West winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 40 to 50. Highs 65 to 75. .MEMORIAL DAY...Cooler. Partly cloudy. Lows 35 to 45. Highs 55 to 65. $$ ORZ624-191115- Klamath Basin and the Fremont-Winema National Forest- 219 PM PDT Mon May 18 2026 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......30-35. * Max humidity..........65-85 percent valleys and 55-65 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 8 mph. Gusts up to 20 mph in the evening. * Ridges/upr slopes....North winds 5 to 8 mph. Gusts up to 20 mph in the evening. * Mixing Height.....................8100-10100 ft AGL until 2100, then 500-1300 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Hoyt 32 76 Chiloquin 34 78 Gerber 32 76 .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......65-70 valleys and 55-60 ridges. * Min humidity..........20-25 percent. * 20-foot winds......... * Valleys/lwr slopes...Light winds becoming northwest 5 to 6 mph in the afternoon. * Ridges/upr slopes....North winds 5 to 8 mph. * Mixing Height.....................500 ft AGL until 0900. 6100-9100 ft AGL after noon. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Hoyt 68 24 Chiloquin 71 25 Gerber 70 19 .TUESDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......35-40. * Max humidity..........70-90 percent valleys and 55-70 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 8 mph. Gusts up to 20 mph in the evening. * Ridges/upr slopes....North winds 5 to 8 mph. Gusts up to 20 mph in the evening. * Mixing Height.....................5800-7800 ft AGL until 2100, then 500-1100 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Hoyt 38 77 Chiloquin 39 82 Gerber 37 81 .WEDNESDAY... * Sky/weather...........Mostly cloudy until 0900, then partly cloudy until noon, then sunny. * Max temperature.......70-75 valleys and 60-65 ridges. * Min humidity..........20-30 percent. * 20-foot winds......... * Valleys/lwr slopes...Light winds becoming northwest 5 to 6 mph in the afternoon. * Ridges/upr slopes....North winds 5 to 6 mph. * Mixing Height.....................500-1700 ft AGL until noon. 7400-8900 ft AGL after 1500. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Hoyt 72 25 Chiloquin 75 27 Gerber 75 21 .EXTENDED... .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 45. North winds 5 to 8 mph. .THURSDAY...Mostly clear. Highs 70 to 80. North winds 5 to 8 mph. .FRIDAY...Mostly clear. Lows 40 to 45. Highs 70 to 80. West winds 5 to 8 mph. .SATURDAY...Mostly clear. Lows 40 to 45. Highs 70 to 80. West winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 40 to 45. Highs 70 to 80. .MEMORIAL DAY...Mostly clear. Lows 35 to 45. Highs 65 to 70. $$ ORZ625-191115- South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties- 219 PM PDT Mon May 18 2026 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......30-35. * Max humidity..........55-75 percent valleys and 45-55 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...Northwest winds 5 to 8 mph. Gusts up to 20 mph in the evening. * Ridges/upr slopes....North winds 5 to 8 mph. * Mixing Height.....................9600-10700 ft AGL until 2100, then 500-1300 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Fish Fin Rim 34 44 Fort Rock 29 82 Rock Creek 34 52 .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......65-70 valleys and around 60 ridges. * Min humidity..........15-20 percent. * 20-foot winds......... * Valleys/lwr slopes...Light winds becoming northwest 5 to 6 mph in the afternoon. * Ridges/upr slopes....Northwest winds 5 to 10 mph. * Mixing Height.....................500 ft AGL until 0900. 8600-9200 ft AGL after 1500. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Fish Fin Rim 69 13 Fort Rock 70 19 Rock Creek 65 17 .TUESDAY NIGHT... * Sky/weather...........Partly cloudy until 0300, then mostly cloudy. * Min temperature.......35-40. * Max humidity..........55-75 percent valleys and 45-55 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...Northwest winds 5 to 8 mph. Gusts up to 20 mph in the evening. * Ridges/upr slopes....Northwest winds 5 to 8 mph. Gusts up to 20 mph early in the evening. * Mixing Height.....................7600-8600 ft AGL until 2100, then 500-1300 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Fish Fin Rim 40 44 Fort Rock 34 86 Rock Creek 41 52 .WEDNESDAY... * Sky/weather...........Mostly cloudy until 0900, then partly cloudy until noon, then sunny until 1500, then partly cloudy. * Max temperature.......70-75 valleys and around 65 ridges. * Min humidity..........15-20 percent. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 6 mph. * Ridges/upr slopes....North winds 5 to 6 mph. * Mixing Height.....................500-1700 ft AGL until noon. 7800-8900 ft AGL after 1500. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Fish Fin Rim 74 15 Fort Rock 73 21 Rock Creek 70 20 .EXTENDED... .WEDNESDAY NIGHT...Partly cloudy. Lows 40 to 45. North winds 5 to 10 mph. .THURSDAY...Mostly clear. Highs 70 to 80. North winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 40 to 45. Highs 75 to 80. Northwest winds 5 to 10 mph. .SATURDAY...Mostly clear. Lows 40 to 50. Highs 75 to 80. West winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 40 to 50. Highs 75 to 80. .MEMORIAL DAY...Partly cloudy. Lows 35 to 45. Highs 70 to 75. $$ CAZ280-191115- Western Klamath National Forest- 219 PM PDT Mon May 18 2026 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......35-45. * Max humidity..........55-75 percent valleys and 45-55 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...Northeast winds 5 to 10 mph with gusts to around 25 mph. * Ridges/upr slopes....Northeast winds 5 to 10 mph. On Siskiyou Mountain ridges, north winds 9 to 20 mph shifting to the northeast 6 to 10 mph after midnight. Gusts up to 25 mph in the evening. * Mixing Height.....................5200-7200 ft AGL until 2100, then 500-900 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Happy Camp 43 80 Fort Jones 38 74 .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......75-80 valleys and 60-65 ridges. * Min humidity..........15-25 percent valleys and 25-35 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...Northeast winds 5 to 8 mph. * Ridges/upr slopes....Northeast winds 5 to 6 mph shifting to the north 5 to 8 mph in the afternoon. * Mixing Height.....................500-2100 ft AGL until noon, then 4600-7200 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Happy Camp 83 19 Fort Jones 78 16 .TUESDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......45-50. * Max humidity..........60-80 percent valleys and 50-60 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...Northeast winds 5 to 10 mph. Gusts up to 20 mph in the evening. * Ridges/upr slopes....Northeast winds 5 to 10 mph. Gusts up to 20 mph in the evening. * Mixing Height.....................4100-5400 ft AGL until 2100, then 500 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Happy Camp 47 81 Fort Jones 43 75 .WEDNESDAY... * Sky/weather...........Partly cloudy until 0900, then sunny. * Max temperature.......75-85 valleys and 60-70 ridges. * Min humidity..........20-30 percent valleys and 30-40 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 8 mph. * Ridges/upr slopes....North winds 5 to 8 mph. * Mixing Height.....................400-1100 ft AGL until noon. 5800-7600 ft AGL after 1500. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Happy Camp 84 23 Fort Jones 82 20 .EXTENDED... .WEDNESDAY NIGHT...Mostly clear. Lows 45 to 50. North winds 5 to 10 mph. .THURSDAY...Sunny in the morning then becoming clear. Highs 75 to 85. East winds 5 to 6 mph shifting to the northwest 5 to 8 mph in the afternoon and evening. .FRIDAY...Mostly clear. Lows 50 to 55. Highs 75 to 85. Northwest winds 5 to 8 mph. .SATURDAY...Clear. Lows 50 to 55. Highs 75 to 85. West winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 45 to 55. Highs 70 to 80. .MEMORIAL DAY...Mostly clear. Lows 45 to 50. Highs 65 to 75. $$ CAZ281-191115- Central Siskiyou County Including Shasta Valley- 219 PM PDT Mon May 18 2026 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......35-40. * Max humidity..........65-75 percent valleys and 55-65 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 8 mph. Gusts up to 30 mph in the evening. * Ridges/upr slopes....North winds 5 to 8 mph. Gusts up to 25 mph in the evening. * Mixing Height.....................6200-7500 ft AGL until 2100, then 400-900 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Yreka 39 65 .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......75-80 valleys and 60-65 ridges. * Min humidity..........15-20 percent. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 6 mph. * Ridges/upr slopes....North winds 5 to 6 mph. * Mixing Height.....................500-2100 ft AGL until noon. 6700-7400 ft AGL after 1500. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Yreka 77 18 .TUESDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......40-45. * Max humidity..........65-75 percent valleys and 55-65 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 15 mph with gusts to around 25 mph decreasing to up to 5 mph after midnight. * Ridges/upr slopes....North winds 5 to 15 mph. Gusts up to 25 mph in the evening. * Mixing Height.....................4400-5400 ft AGL until 2100, then 400-800 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Yreka 44 66 .WEDNESDAY... * Sky/weather...........Partly cloudy early in the morning then clearing. * Max temperature.......80-85 valleys and 65-70 ridges. * Min humidity..........20-25 percent. * 20-foot winds......... * Valleys/lwr slopes...Light winds becoming north 5 to 6 mph in the afternoon. * Ridges/upr slopes....Light winds becoming north 5 to 6 mph in the afternoon. * Mixing Height.....................400-1100 ft AGL until noon. 5400-6500 ft AGL after 1500. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Yreka 81 22 .EXTENDED... .WEDNESDAY NIGHT...Mostly clear. Lows 45 to 50. North winds 5 to 10 mph. .THURSDAY...Mostly clear. Highs 75 to 85. Light winds becoming north 6 to 10 mph in the afternoon and evening. .FRIDAY...Mostly clear. Lows 45 to 50. Highs 75 to 85. Northwest winds 5 to 10 mph. .SATURDAY...Mostly clear. Lows around 50. Highs 75 to 85. Northwest winds 5 to 8 mph. .SUNDAY...Mostly clear. Lows 45 to 50. Highs 75 to 85. .MEMORIAL DAY...Mostly clear. Lows 40 to 50. Highs 70 to 80. $$ CAZ282-191115- Shasta-Trinity National Forest in Siskiyou County- 219 PM PDT Mon May 18 2026 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......30-40. * Max humidity..........60-80 percent valleys and 40-55 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 6 mph. * Ridges/upr slopes....North winds 5 to 6 mph with gusts to around 20 mph. * Mixing Height.....................6400-8200 ft AGL until 2100, then 600 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Mount Shasta 38 73 .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......Around 75 valleys and 55-60 ridges. * Min humidity..........15-20 percent valleys and 25-30 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...Northeast winds up to 5 mph in the morning becoming light. * Ridges/upr slopes....North winds 5 to 6 mph. * Mixing Height.....................500 ft AGL until 0900. 5400-8600 ft AGL after noon. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Mount Shasta 76 16 .TUESDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......40-45. * Max humidity..........60-75 percent valleys and 45-55 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 6 mph. * Ridges/upr slopes....North winds 5 to 6 mph. Gusts up to 20 mph in the evening. * Mixing Height.....................4400-6000 ft AGL until 2100, then 600 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Mount Shasta 42 71 .WEDNESDAY... * Sky/weather...........Mostly cloudy early in the morning then clearing. * Max temperature.......75-80 valleys and 60-65 ridges. * Min humidity..........20-25 percent valleys and 25-35 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...Light winds. * Ridges/upr slopes....Northwest winds 5 to 6 mph. * Mixing Height.....................500-1100 ft AGL until noon. 7500-9200 ft AGL after 1500. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Mount Shasta 80 20 .EXTENDED... .WEDNESDAY NIGHT...Mostly clear. Lows 40 to 50. Northwest winds 5 to 6 mph. .THURSDAY...Mostly clear. Highs 75 to 85. Northeast winds up to 5 mph shifting to the west 5 to 6 mph in the afternoon and evening. .FRIDAY...Mostly clear. Lows 45 to 50. Highs 75 to 85. Southwest winds 5 to 6 mph. .SATURDAY...Mostly clear. Lows 45 to 50. Highs 70 to 80. Southwest winds 5 to 6 mph. .SUNDAY...Mostly clear. Lows 40 to 50. Highs 70 to 80. .MEMORIAL DAY...Mostly clear. Lows 35 to 45. Highs 70 to 80. $$ CAZ284-285-191115- Siskiyou County from the Cascade Mountains East and South to Mt Shasta-Modoc County Except for the Surprise Valley- 219 PM PDT Mon May 18 2026 .Tonight... * Sky/weather...........Partly cloudy until 0300, then clear. * Min temperature.......30-40. * Max humidity..........60-75 percent valleys and 40-60 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...North winds 5 to 6 mph. * Ridges/upr slopes....North winds 5 to 6 mph. * Mixing Height.....................8400-10200 ft AGL until 2100, then 600 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Juanita lake 38 61 Tulelake 35 68 Alturas 28 64 .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......65-75 valleys and 55-60 ridges. * Min humidity..........15-20 percent valleys and 20-30 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...Light winds becoming north 5 to 6 mph in the afternoon. * Ridges/upr slopes....Northeast winds up to 5 mph shifting to the north 5 to 8 mph in the afternoon. * Mixing Height.....................500 ft AGL until 0900. 6200-9000 ft AGL after noon. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Juanita lake 71 19 Tulelake 72 19 Alturas 71 14 .TUESDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......40-45. * Max humidity..........60-75 percent valleys and 45-65 percent ridges. * 20-foot winds......... * Valleys/lwr slopes...Northwest winds 5 to 8 mph. Gusts up to 20 mph late in the evening. * Ridges/upr slopes....Northwest winds 5 to 8 mph. Gusts up to 20 mph early in the evening. * Mixing Height.....................5600-7300 ft AGL until 2100, then 400-700 ft AGL. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Juanita lake 44 60 Tulelake 40 73 Alturas 35 66 .WEDNESDAY... * Sky/weather...........Mostly cloudy until 0900, then partly cloudy until noon, then sunny. * Max temperature.......70-80 valleys and 60-65 ridges. * Min humidity..........20-25 percent. * 20-foot winds......... * Valleys/lwr slopes...Light winds becoming northwest 5 to 6 mph in the afternoon. * Ridges/upr slopes....North winds up to 5 mph shifting to the northwest 5 to 6 mph in the afternoon. * Mixing Height.....................500-1300 ft AGL until noon. 7500-9300 ft AGL after 1500. * Chance of lightning...............0 percent. * Chance of wetting rain (.10 in)...0 percent. * Chance of wetting rain (.25 in)...0 percent. && TEMP / HUM / POP Juanita lake 76 22 Tulelake 76 21 Alturas 77 16 .EXTENDED... .WEDNESDAY NIGHT...Mostly clear. Lows 40 to 45. North winds 5 to 8 mph. .THURSDAY...Mostly clear. Highs 70 to 80. Northeast winds up to 5 mph shifting to the northwest 5 to 8 mph in the afternoon and evening. .FRIDAY...Mostly clear. Lows 45 to 50. Highs 70 to 80. West winds 5 to 8 mph. .SATURDAY...Mostly clear. Lows 45 to 50. Highs 70 to 80. West winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 40 to 50. Highs 70 to 80. .MEMORIAL DAY...Mostly clear. Lows 40 to 45. Highs 65 to 75. $$ .OUTLOOK FOR MAY 26 - JUN 01, 2026 For Oregon...Increased probabilities for above normal temperatures and below normal precipitation. For Nrn Calif...Increased probabilities for above normal temperatures and near normal precipitation. = $$