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 critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday 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

26°F

-3°C

Humidity 97%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 20 Feb 01:52 AM PST
Extended Forecast for

8 Miles WNW Illinois Valley OR

  • Overnight

    Overnight: Partly cloudy, with a low around 20. Light east northeast wind.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow between 2pm and 4pm.  Increasing clouds, with a high near 36. Light west southwest wind becoming south southwest 5 to 10 mph in the morning.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Mostly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Snow before 2am, then rain and snow likely.  Low around 32. Breezy, with a south wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 32 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 32 °F

    Snow then
    Rain/Snow
    Likely and
    Breezy

  • Saturday

    Saturday: Rain and snow likely before 1pm, then a chance of rain.  Snow level 4100 feet rising to 4600 feet in the afternoon. Mostly cloudy, with a high near 41. Breezy, with a south wind 20 to 22 mph, with gusts as high as 32 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: A chance of rain before 10pm, then rain, possibly mixed with snow between 10pm and 1am, then rain after 1am. The rain could be heavy at times.  Snow level 4300 feet rising to 4900 feet after midnight. Low around 36. Breezy, with a south southeast wind around 24 mph, with gusts as high as 36 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow and
    Breezy

  • Sunday

    Sunday: Rain. The rain could be heavy at times.  Snow level 4800 feet rising to 5400 feet in the afternoon. High near 43. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 43 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then rain and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall.  Snow level 6100 feet. Low around 41. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 41 °F

    Heavy Rain

  • Monday

    Monday: Rain. The rain could be heavy at times.  Cloudy, with a high near 44.

    High: 44 °F

    Heavy Rain

  • Monday Night

    Monday Night: Rain.  Snow level 6200 feet lowering to 5600 feet after midnight . Cloudy, with a low around 40.

    Low: 40 °F

    Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 20. Light east northeast wind.
Friday
A chance of snow between 2pm and 4pm. Increasing clouds, with a high near 36. Light west southwest wind becoming south southwest 5 to 10 mph in the morning. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday Night
Snow before 2am, then rain and snow likely. Low around 32. Breezy, with a south wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday
Rain and snow likely before 1pm, then a chance of rain. Snow level 4100 feet rising to 4600 feet in the afternoon. Mostly cloudy, with a high near 41. Breezy, with a south wind 20 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday Night
A chance of rain before 10pm, then rain, possibly mixed with snow between 10pm and 1am, then rain after 1am. The rain could be heavy at times. Snow level 4300 feet rising to 4900 feet after midnight. Low around 36. Breezy, with a south southeast wind around 24 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday
Rain. The rain could be heavy at times. Snow level 4800 feet rising to 5400 feet in the afternoon. High near 43. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Sunday Night
Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then rain and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Snow level 6100 feet. Low around 41. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday
Rain. The rain could be heavy at times. Cloudy, with a high near 44.
Monday Night
Rain. Snow level 6200 feet lowering to 5600 feet after midnight . Cloudy, with a low around 40.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 1pm. Snow level 4600 feet. Mostly cloudy, with a high near 45.
Tuesday Night
Rain and snow likely. Snow level 4100 feet lowering to 3600 feet after midnight . Mostly cloudy, with a low around 35.
Wednesday
A chance of rain and snow. Snow level 3300 feet rising to 3900 feet in the afternoon. Partly sunny, with a high near 46.
Wednesday Night
A chance of rain and snow. Snow level 3800 feet. Mostly cloudy, with a low around 38.
Thursday
Rain and snow likely. Snow level 3600 feet rising to 4100 feet in the afternoon. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Illinois Valley OR
 42.14°N 123.81°W (Elev. 3209 ft)
2:27 am PST Feb 20, 2026
2am PST Feb 20, 2026-6pm PST Feb 26, 2026
 
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Additional Resources

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