Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

65°F

18°C

Humidity 38%
Wind Speed WSW 8 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 11 Mar 01:52 PM PDT
Extended Forecast for

8 Miles WNW Illinois Valley OR

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 49. West southwest wind around 11 mph.

    High: 49 °F

    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of rain after 2am.  Snow level 6200 feet. Mostly cloudy, with a low around 40. West southwest wind 8 to 10 mph.

    Low: 40 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain.  Partly sunny, with a high near 51. West southwest wind around 6 mph becoming light and variable.

    High: 51 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 40. West wind 3 to 6 mph.

    Low: 40 °F

    Chance Rain

  • Friday

    Friday: A 40 percent chance of rain.  Snow level 6100 feet. Partly sunny, with a high near 52. West wind 3 to 8 mph.

    High: 52 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 43. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain Likely

  • Saturday

    Saturday: Rain.  High near 52. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain

  • Saturday Night

    Saturday Night: A chance of rain, mainly before 11pm.  Snow level 6700 feet lowering to 5400 feet after midnight . Partly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Sunday

    Sunday: A slight chance of rain before 11am.  Snow level 5700 feet rising to 8500 feet in the afternoon. Partly sunny, with a high near 62.

    High: 62 °F

    Slight Chance
    Rain then
    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 49. West southwest wind around 11 mph.
Tonight
A 40 percent chance of rain after 2am. Snow level 6200 feet. Mostly cloudy, with a low around 40. West southwest wind 8 to 10 mph.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 51. West southwest wind around 6 mph becoming light and variable.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 40. West wind 3 to 6 mph.
Friday
A 40 percent chance of rain. Snow level 6100 feet. Partly sunny, with a high near 52. West wind 3 to 8 mph.
Friday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 52. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A chance of rain, mainly before 11pm. Snow level 6700 feet lowering to 5400 feet after midnight . Partly cloudy, with a low around 39.
Sunday
A slight chance of rain before 11am. Snow level 5700 feet rising to 8500 feet in the afternoon. Partly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Illinois Valley OR
 42.14°N 123.81°W (Elev. 3209 ft)
2:11 pm PDT Mar 11, 2026
2pm PDT Mar 11, 2026-6pm PDT Mar 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database