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 >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

44°F

7°C

Humidity 78%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 13 Feb 06:52 PM PST
Extended Forecast for

9 Miles WNW Illinois Valley OR

  • Tonight

    Tonight: Rain, mainly after 1am. Snow level 5200 feet. Low around 38. South southeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain
    then Rain

  • Saturday

    Saturday: Rain. Snow level 4800 feet. High near 42. South wind 6 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Rain

  • Saturday Night

    Saturday Night: Rain before 4am, then rain likely, possibly mixed with snow. Snow level 4800 feet. Low around 38. West southwest wind 5 to 9 mph becoming light and variable in the evening. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 38 °F

    Rain then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain, possibly mixed with snow, becoming all rain after 7am. Snow level 4300 feet rising to 4900 feet in the afternoon. High near 42. East northeast wind around 9 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    then Rain

  • Sunday Night

    Sunday Night: Rain before 1am, then rain likely, possibly mixed with snow. Snow level 4700 feet. Low around 37. Northeast wind around 8 mph becoming south after midnight. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain then
    Rain/Snow
    Likely

  • Washington's Birthday

    Washington's Birthday: Rain and snow. Snow level 3700 feet. High near 39. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 39 °F

    Rain/Snow

  • Monday Night

    Monday Night: Snow. The snow could be heavy at times. Low around 32. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    Low: 32 °F

    Heavy Snow

  • Tuesday

    Tuesday: Snow. The snow could be heavy at times. Cloudy, with a high near 34.

    High: 34 °F

    Heavy Snow

  • Tuesday Night

    Tuesday Night: Snow. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Snow

Detailed Forecast

Tonight
Rain, mainly after 1am. Snow level 5200 feet. Low around 38. South southeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. Snow level 4800 feet. High near 42. South wind 6 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain before 4am, then rain likely, possibly mixed with snow. Snow level 4800 feet. Low around 38. West southwest wind 5 to 9 mph becoming light and variable in the evening. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday
Rain, possibly mixed with snow, becoming all rain after 7am. Snow level 4300 feet rising to 4900 feet in the afternoon. High near 42. East northeast wind around 9 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Rain before 1am, then rain likely, possibly mixed with snow. Snow level 4700 feet. Low around 37. Northeast wind around 8 mph becoming south after midnight. Chance of precipitation is 80%. Little or no snow accumulation expected.
Washington's Birthday
Rain and snow. Snow level 3700 feet. High near 39. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Monday Night
Snow. The snow could be heavy at times. Low around 32. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Tuesday
Snow. The snow could be heavy at times. Cloudy, with a high near 34.
Tuesday Night
Snow. Mostly cloudy, with a low around 27.
Wednesday
Snow. Mostly cloudy, with a high near 35.
Wednesday Night
Snow. Mostly cloudy, with a low around 30.
Thursday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 35.
Thursday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 33.
Friday
Snow. Mostly cloudy, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
Last Update:
3:41 pm PST Feb 13, 2026
Forecast Valid:
7pm 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