Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

NA

46°F

8°C

Humidity 53%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 20 Feb 04:52 PM PST
Extended Forecast for

8 Miles WNW Illinois Valley OR

  • Tonight

    Tonight: Snow before midnight, then snow, possibly mixed with rain.  Snow level rising to 3700 feet after midnight. Low around 30. Breezy, with a south wind 10 to 15 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 37 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Snow then
    Rain/Snow and
    Breezy

  • Saturday

    Saturday: Rain and snow likely before 1pm, then a chance of rain.  Snow level 3700 feet rising to 4500 feet in the afternoon. Mostly cloudy, with a high near 42. Breezy, with a south wind 20 to 24 mph, with gusts as high as 37 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Breezy.
    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain, mainly after 10pm.  Snow level 4700 feet. Low around 37. Breezy, with a south southeast wind around 25 mph, with gusts as high as 38 mph.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Rain and
    Breezy

  • Sunday

    Sunday: Rain before 10am, then rain, possibly mixed with snow between 10am and 1pm, then rain after 1pm. The rain could be heavy at times.  Snow level 5000 feet rising to 5600 feet in the afternoon. High near 44. South wind around 21 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain.  Snow level 6400 feet. Low around 43. South wind 18 to 21 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 43 °F

    Rain

  • Monday

    Monday: Rain.  High near 46. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 46 °F

    Rain

  • Monday Night

    Monday Night: Rain. The rain could be heavy at times.  Low around 42. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

    Low: 42 °F

    Heavy Rain

  • Tuesday

    Tuesday: Rain.  Snow level 6000 feet lowering to 5000 feet in the afternoon . Mostly cloudy, with a high near 44.

    High: 44 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely before 10pm, then a chance of rain and snow.  Snow level 4400 feet lowering to 3800 feet after midnight . Mostly cloudy, with a low around 35.

    Low: 35 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Snow before midnight, then snow, possibly mixed with rain. Snow level rising to 3700 feet after midnight. Low around 30. Breezy, with a south wind 10 to 15 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.
Saturday
Rain and snow likely before 1pm, then a chance of rain. Snow level 3700 feet rising to 4500 feet in the afternoon. Mostly cloudy, with a high near 42. Breezy, with a south wind 20 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Rain, mainly after 10pm. Snow level 4700 feet. Low around 37. Breezy, with a south southeast wind around 25 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain before 10am, then rain, possibly mixed with snow between 10am and 1pm, then rain after 1pm. The rain could be heavy at times. Snow level 5000 feet rising to 5600 feet in the afternoon. High near 44. South wind around 21 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Sunday Night
Rain. Snow level 6400 feet. Low around 43. South wind 18 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday
Rain. High near 46. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Monday Night
Rain. The rain could be heavy at times. Low around 42. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Tuesday
Rain. Snow level 6000 feet lowering to 5000 feet in the afternoon . Mostly cloudy, with a high near 44.
Tuesday Night
Rain likely before 10pm, then a chance of rain and snow. Snow level 4400 feet lowering to 3800 feet after midnight . Mostly cloudy, with a low around 35.
Wednesday
A chance of rain and snow before 1pm, then a chance of rain. Snow level 3500 feet rising to 4300 feet in the afternoon. Partly sunny, with a high near 48.
Wednesday Night
A chance of rain and snow. Snow level 4600 feet. Mostly cloudy, with a low around 37.
Thursday
A chance of rain and snow. Snow level 4600 feet rising to 5300 feet in the afternoon. Partly sunny, with a high near 50.
Thursday Night
A chance of rain. Snow level 5300 feet. Mostly cloudy, with a low around 39.
Friday
A chance of rain and snow. Snow level 5200 feet. Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Illinois Valley OR
 42.14°N 123.81°W (Elev. 3209 ft)
3:41 pm PST Feb 20, 2026
5pm PST Feb 20, 2026-6pm PST Feb 27, 2026
 
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Additional Resources

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