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

41°F

5°C

Humidity 67%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 18 Feb 12:52 PM PST
Extended Forecast for

9 Miles ENE Happy Camp CA

Winter Storm Warning February 18, 01:07pm until February 19, 10:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 18, 01:07pm until February 19, 10:00am

    NOW until 10:00am Thu

    Winter Storm Warning

  • This Afternoon

    High: 44 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow before 1am, then snow. The snow could be heavy at times.  Low around 28. West southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 28 °F

    Chance
    Rain/Snow
    then Heavy
    Snow

  • Thursday

    Thursday: A chance of snow before 10am, then rain and snow likely.  Mostly cloudy, with a high near 45. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 45 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 8pm, then a chance of snow between 8pm and 10pm.  Mostly cloudy, with a low around 22. Light and variable wind.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 22 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Friday

    Friday: A slight chance of snow between 10am and 1pm, then a slight chance of rain after 1pm.  Mostly sunny, with a high near 45. Calm wind becoming south southwest around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain before 10pm, then a chance of rain and snow.  Snow level 2300 feet lowering to 1500 feet after midnight . Mostly cloudy, with a low around 26. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 10am, then a chance of rain.  Snow level 1600 feet rising to 3200 feet in the afternoon. Mostly cloudy, with a high near 49. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 49 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 10pm.  Snow level 3200 feet. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Rain Likely

Detailed Forecast

This Afternoon
A chance of rain and snow, mainly before 4pm. Snow level 1700 feet. Mostly cloudy, with a high near 44. West wind around 8 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of rain and snow before 1am, then snow. The snow could be heavy at times. Low around 28. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
A chance of snow before 10am, then rain and snow likely. Mostly cloudy, with a high near 45. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday Night
A chance of rain and snow before 8pm, then a chance of snow between 8pm and 10pm. Mostly cloudy, with a low around 22. Light and variable wind. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday
A slight chance of snow between 10am and 1pm, then a slight chance of rain after 1pm. Mostly sunny, with a high near 45. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of rain before 10pm, then a chance of rain and snow. Snow level 2300 feet lowering to 1500 feet after midnight . Mostly cloudy, with a low around 26. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Saturday
A chance of rain and snow before 10am, then a chance of rain. Snow level 1600 feet rising to 3200 feet in the afternoon. Mostly cloudy, with a high near 49. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Saturday Night
Rain likely, mainly after 10pm. Snow level 3200 feet. Mostly cloudy, with a low around 35.
Sunday
Rain. Snow level 3800 feet. Cloudy, with a high near 49.
Sunday Night
Rain. Snow level 4100 feet. Cloudy, with a low around 37.
Monday
Rain. Snow level 3800 feet. Cloudy, with a high near 50.
Monday Night
Rain. Snow level 3600 feet lowering to 3100 feet after midnight . Cloudy, with a low around 34.
Tuesday
Rain, possibly mixed with snow. Snow level 2700 feet rising to 3500 feet in the afternoon. Cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Happy Camp CA
 41.84°N 123.19°W (Elev. 1421 ft)
12:41 pm PST Feb 18, 2026
1pm PST Feb 18, 2026-6pm PST Feb 24, 2026
 
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Additional Resources

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