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

Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

51°F

11°C

Humidity 66%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 13 Feb 02:52 PM PST
Extended Forecast for

11 Miles NNE Happy Camp CA

Winter Storm Watch February 15, 10:00pm until February 18, 04:00am
Click here for hazard details and duration
Winter Storm Watch

  • This Afternoon

    This Afternoon: A 10 percent chance of rain after 4pm. Snow level 5500 feet. Mostly cloudy, with a high near 43. Southwest wind around 9 mph.

    High: 43 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A slight chance of rain and snow before 8pm, then snow. Low around 35. South southwest wind 7 to 10 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 35 °F

    Slight Chance
    Rain/Snow
    then Snow

  • Saturday

    Saturday: Snow before 10am, then rain and snow likely. Snow level rising to 5300 feet in the afternoon. High near 40. South southwest wind 8 to 11 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow

  • Saturday Night

    Saturday Night: Rain and snow likely, becoming all snow after 1am. Snow level 4900 feet. Mostly cloudy, with a low around 33. South wind 7 to 11 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    Likely

  • Sunday

    Sunday: Snow before 1pm, then rain, possibly mixed with snow. High near 38. South southeast wind around 8 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 10pm. Low around 34. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 34 °F

    Rain/Snow
    then Snow
    Likely

  • Washington's Birthday

    Washington's Birthday: Snow. High near 35. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 35 °F

    Snow

  • Monday Night

    Monday Night: Snow. The snow could be heavy at times. Cloudy, with a low around 26.

    Low: 26 °F

    Heavy Snow

  • Tuesday

    Tuesday: Snow. The snow could be heavy at times. Cloudy, with a high near 30.

    High: 30 °F

    Heavy Snow

Detailed Forecast

This Afternoon
A 10 percent chance of rain after 4pm. Snow level 5500 feet. Mostly cloudy, with a high near 43. Southwest wind around 9 mph.
Tonight
A slight chance of rain and snow before 8pm, then snow. Low around 35. South southwest wind 7 to 10 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday
Snow before 10am, then rain and snow likely. Snow level rising to 5300 feet in the afternoon. High near 40. South southwest wind 8 to 11 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday Night
Rain and snow likely, becoming all snow after 1am. Snow level 4900 feet. Mostly cloudy, with a low around 33. South wind 7 to 11 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday
Snow before 1pm, then rain, possibly mixed with snow. High near 38. South southeast wind around 8 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain and snow, becoming all snow after 10pm. Low around 34. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Washington's Birthday
Snow. High near 35. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 26.
Tuesday
Snow. The snow could be heavy at times. Cloudy, with a high near 30.
Tuesday Night
Snow. Mostly cloudy, with a low around 22.
Wednesday
Snow likely. Mostly cloudy, with a high near 32.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 25.
Thursday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 32.
Thursday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 28.
Friday
Snow. Mostly cloudy, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Happy Camp CA
 41.95°N 123.28°W (Elev. 4839 ft)
Last Update:
2:27 pm PST Feb 13, 2026
Forecast Valid:
3pm PST Feb 13, 2026-6pm PST Feb 20, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation