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

24°F

-4°C

Humidity 96%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 20 Feb 07:52 AM PST
Extended Forecast for

9 Miles ENE Happy Camp CA

Winter Storm Watch February 21, 10:00pm until February 23, 04:00am
Freezing Fog Advisory until February 20, 09:00am
Cold Weather Advisory February 20, 08:27am until February 20, 09:00am
Click here for hazard details and duration
Winter Storm Watch
...
...
  •  
    Freezing Fog Advisory until February 20, 09:00am
    Cold Weather Advisory February 20, 08:27am until February 20, 09:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 44 °F

    Areas
    Freezing Fog
    and Areas Fog
    then Partly
    Sunny

  • Tonight

    Tonight: A chance of rain and snow showers, mainly after 9pm.  Snow level 2100 feet. Mostly cloudy, with a low around 30. Calm wind becoming east northeast around 6 mph in the evening.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 9am, then a chance of rain.  Snow level 2600 feet rising to 4000 feet in the afternoon. Mostly cloudy, with a high near 50. East wind 9 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 50 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 10pm.  Snow level 3600 feet rising to 4100 feet after midnight. Mostly cloudy, with a low around 37. Southeast wind around 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain Likely

  • Sunday

    Sunday: Rain.  High near 52. South wind 10 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 52 °F

    Rain

  • Sunday Night

    Sunday Night: Rain.  Low around 41. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain

  • Monday

    Monday: Rain.  High near 53. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 53 °F

    Rain

  • Monday Night

    Monday Night: Rain.  Cloudy, with a low around 41.

    Low: 41 °F

    Rain

Detailed Forecast

Today
Areas of fog before 10am. Areas of freezing fog before 10am. Otherwise, partly sunny, with a high near 44. Calm wind.
Tonight
A chance of rain and snow showers, mainly after 9pm. Snow level 2100 feet. Mostly cloudy, with a low around 30. Calm wind becoming east northeast around 6 mph in the evening. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow before 9am, then a chance of rain. Snow level 2600 feet rising to 4000 feet in the afternoon. Mostly cloudy, with a high near 50. East wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
Rain likely, mainly after 10pm. Snow level 3600 feet rising to 4100 feet after midnight. Mostly cloudy, with a low around 37. Southeast wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 52. South wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Low around 41. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. High near 53. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Rain. Cloudy, with a low around 41.
Tuesday
Rain. Mostly cloudy, with a high near 52.
Tuesday Night
Rain likely, mainly before 10pm. Snow level 4700 feet lowering to 3800 feet after midnight . Mostly cloudy, with a low around 36.
Wednesday
A chance of rain. Snow level 3400 feet rising to 4200 feet in the afternoon. Partly sunny, with a high near 55.
Wednesday Night
A chance of rain. Snow level 4000 feet. Mostly cloudy, with a low around 38.
Thursday
A chance of rain. Snow level 3600 feet rising to 4500 feet in the afternoon. Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Happy Camp CA
 41.84°N 123.19°W (Elev. 1421 ft)
6:57 am PST Feb 20, 2026
8am 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