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 >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

45°F

7°C

Humidity 59%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 20 Feb 12:52 PM PST
Extended Forecast for

13 Miles NE Happy Camp CA

Winter Storm Warning February 21, 10:00pm until February 22, 04:00pm
Click here for hazard details and duration
Winter Storm Warning
  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 27. South wind around 8 mph.

    High: 27 °F

    Mostly Cloudy

  • Tonight

    Tonight: Snow likely, mainly after midnight.  Mostly cloudy, with a low around 24. South southeast wind 11 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 24 °F

    Snow Likely

  • Saturday

    Saturday: A slight chance of snow before 7am, then a chance of snow after 3pm.  Mostly cloudy, with a high near 31. Windy, with a south southeast wind 30 to 33 mph, with gusts as high as 49 mph.  Chance of precipitation is 30%. New snow accumulation of less than one inch possible.

    High: 31 °F

    Chance Snow
    and Windy

  • Saturday Night

    Saturday Night: Snow, mainly after 10pm. The snow could be heavy at times.  Low around 30. Windy, with a south southeast wind 34 to 36 mph, with gusts as high as 55 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Heavy Snow
    and Windy

  • Sunday

    Sunday: Snow before 4pm, then rain and snow. The snow could be heavy at times.  High near 37. Windy, with a south southeast wind 29 to 31 mph, with gusts as high as 47 mph.  Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    High: 37 °F

    Heavy Snow
    and Windy
    then
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Rain and snow, becoming all rain after 7pm.  Snow level 6200 feet. Low around 36. Breezy.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 36 °F

    Breezy.
    Rain/Snow
    then Rain

  • Monday

    Monday: Rain.  Snow level 6500 feet. High near 38. Breezy.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 38 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain before 4am, then rain, possibly mixed with snow.  Snow level 6200 feet. Cloudy, with a low around 34. Breezy.

    Low: 34 °F

    Rain and
    Breezy then
    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow.  Mostly cloudy, with a high near 36.

    High: 36 °F

    Rain/Snow

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 27. South wind around 8 mph.
Tonight
Snow likely, mainly after midnight. Mostly cloudy, with a low around 24. South southeast wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday
A slight chance of snow before 7am, then a chance of snow after 3pm. Mostly cloudy, with a high near 31. Windy, with a south southeast wind 30 to 33 mph, with gusts as high as 49 mph. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.
Saturday Night
Snow, mainly after 10pm. The snow could be heavy at times. Low around 30. Windy, with a south southeast wind 34 to 36 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday
Snow before 4pm, then rain and snow. The snow could be heavy at times. High near 37. Windy, with a south southeast wind 29 to 31 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Sunday Night
Rain and snow, becoming all rain after 7pm. Snow level 6200 feet. Low around 36. Breezy. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Monday
Rain. Snow level 6500 feet. High near 38. Breezy. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Rain before 4am, then rain, possibly mixed with snow. Snow level 6200 feet. Cloudy, with a low around 34. Breezy.
Tuesday
Rain and snow. Mostly cloudy, with a high near 36.
Tuesday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 31.
Wednesday
A chance of snow. Mostly cloudy, with a high near 38.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 33.
Thursday
A chance of rain and snow. Partly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NE Happy Camp CA
 41.93°N 123.18°W (Elev. 5801 ft)
12:42 pm PST Feb 20, 2026
1pm PST Feb 20, 2026-6pm PST Feb 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database