Critical Fire Weather in the High Plains and Midwest; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

31°F

-1°C

Humidity 99%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 18 Feb 05:52 AM PST
Extended Forecast for

12 Miles NNE Happy Camp CA

Winter Storm Warning February 18, 06:43am until February 19, 10:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 18, 06:43am until February 19, 10:00am

    NOW until 10:00am Thu

    Winter Storm Warning

  • Today

    High: 25 °F

    Chance Snow
    then Snow
    Likely

  • Tonight

    Tonight: Snow. The snow could be heavy at times.  Low around 22. South wind 9 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    Low: 22 °F

    Heavy Snow

  • Thursday

    Thursday: Snow, mainly before 4pm.  High near 28. Southwest wind 5 to 9 mph becoming north northwest in the afternoon.  Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 28 °F

    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow, mainly before 10pm.  Mostly cloudy, with a low around 17. North wind 6 to 10 mph.  New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow
    then Slight
    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow.  Partly sunny, with a high near 30. South southwest wind 7 to 10 mph.  New snow accumulation of less than a half inch possible.

    High: 30 °F

    Chance Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 24. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely.  Mostly cloudy, with a high near 34. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 34 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Snow.  Cloudy, with a low around 31. Breezy.

    Low: 31 °F

    Snow and
    Breezy

Detailed Forecast

Today
Snow likely, mainly between 1pm and 5pm. Mostly cloudy, with a high near 25. Light and variable wind becoming south southwest 6 to 11 mph in the morning. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow. The snow could be heavy at times. Low around 22. South wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Thursday
Snow, mainly before 4pm. High near 28. Southwest wind 5 to 9 mph becoming north northwest in the afternoon. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A 50 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 17. North wind 6 to 10 mph. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 30. South southwest wind 7 to 10 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24. New snow accumulation of less than a half inch possible.
Saturday
Snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday Night
Snow. Cloudy, with a low around 31. Breezy.
Sunday
Snow. The snow could be heavy at times. Cloudy, with a high near 35.
Sunday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 33.
Monday
Snow. The snow could be heavy at times. Cloudy, with a high near 34.
Monday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 31.
Tuesday
Snow. The snow could be heavy at times. Cloudy, with a high near 34.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Happy Camp CA
 41.95°N 123.31°W (Elev. 4911 ft)
5:02 am PST Feb 18, 2026
6am PST Feb 18, 2026-6pm PST Feb 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database