National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

32°F

0°C

Humidity 99%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 19 Feb 03:52 AM PST
Extended Forecast for

9 Miles ENE Happy Camp CA

Winter Storm Warning February 19, 04:09am until February 19, 10:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 19, 04:09am until February 19, 10:00am

    NOW until 10:00am Thu

    Winter Storm Warning

  • Overnight

    Low: 27 °F

    Snow

  • Thursday

    Thursday: A chance of snow before 7am, then a chance of rain and snow after 11am. Snow level rising to 2200 feet in the afternoon. Partly sunny, with a high near 42. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21. Light west northwest wind.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain before 10pm, then a chance of rain and snow between 10pm and 4am, then a chance of snow after 4am. Snow level 2300 feet lowering to 1800 feet. Mostly cloudy, with a low around 26. East wind 5 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 26 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of snow before 7am, then a chance of rain and snow between 7am and 10am, then a chance of rain after 10am. Snow level 2100 feet rising to 3600 feet in the afternoon. Partly sunny, with a high near 50. Chance of precipitation is 30%. 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 3700 feet. Mostly cloudy, with a low around 35. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain Likely

  • Sunday

    Sunday: Rain. Snow level 4300 feet rising to 5000 feet in the afternoon. Cloudy, with a high near 50.

    High: 50 °F

    Rain

Detailed Forecast

Overnight
Snow. Low around 27. Light southwest wind. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
Thursday
A chance of snow before 7am, then a chance of rain and snow after 11am. Snow level rising to 2200 feet in the afternoon. Partly sunny, with a high near 42. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around 21. Light west northwest wind.
Friday
A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 45. Calm wind.
Friday Night
A slight chance of rain before 10pm, then a chance of rain and snow between 10pm and 4am, then a chance of snow after 4am. Snow level 2300 feet lowering to 1800 feet. Mostly cloudy, with a low around 26. East wind 5 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
A chance of snow before 7am, then a chance of rain and snow between 7am and 10am, then a chance of rain after 10am. Snow level 2100 feet rising to 3600 feet in the afternoon. Partly sunny, with a high near 50. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
Rain likely, mainly after 10pm. Snow level 3700 feet. Mostly cloudy, with a low around 35. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. Snow level 4300 feet rising to 5000 feet in the afternoon. Cloudy, with a high near 50.
Sunday Night
Rain. Cloudy, with a low around 41.
Monday
Rain. Cloudy, with a high near 51.
Monday Night
Rain. Cloudy, with a low around 37.
Tuesday
Rain. Mostly cloudy, with a high near 52.
Tuesday Night
Rain likely. Snow level 4500 feet lowering to 3900 feet after midnight . Mostly cloudy, with a low around 35.
Wednesday
Rain likely. Snow level 3400 feet rising to 4100 feet in the afternoon. Mostly cloudy, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Happy Camp CA
 41.84°N 123.19°W (Elev. 1421 ft)
Last Update:
3:41 am PST Feb 19, 2026
Forecast Valid:
4am PST Feb 19, 2026-6pm PST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation