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

Thunderstorms and Widespread Rainfall Across the Southern Plains

Isolated severe thunderstorms and widespread showers may produce flash flooding across the Southern Plains through Thursday. Numerous instances of flash flooding are expected in south-central Texas, including portions of the Hill Country; and an additional area across eastern Oklahoma into the Ozarks on Thursday. Heavy rainfall and mountain snow will return to southern California on Thursday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

NA

47°F

8°C

Humidity 92%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 19 Nov 08:52 PM PST
Extended Forecast for

8 Miles E Illinois Valley OR

  • Tonight

    Tonight: Rain, mainly before 1am. Snow level 5200 feet lowering to 4000 feet. Low around 40. South southwest wind 5 to 9 mph becoming light southwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Thursday

    Thursday: A 30 percent chance of showers. Snow level 4500 feet. Mostly sunny, with a high near 47. South southeast wind around 5 mph becoming calm in the morning.

    High: 47 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35. East southeast wind 3 to 8 mph.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. East wind 3 to 5 mph.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of rain after 4pm. Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain, mainly between 10pm and 4am. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

Detailed Forecast

Tonight
Rain, mainly before 1am. Snow level 5200 feet lowering to 4000 feet. Low around 40. South southwest wind 5 to 9 mph becoming light southwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 30 percent chance of showers. Snow level 4500 feet. Mostly sunny, with a high near 47. South southeast wind around 5 mph becoming calm in the morning.
Thursday Night
Mostly clear, with a low around 35. East southeast wind 3 to 8 mph.
Friday
Sunny, with a high near 53. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 38. East wind 3 to 5 mph.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 40.
Sunday
A slight chance of rain after 4pm. Mostly sunny, with a high near 59.
Sunday Night
A chance of rain, mainly between 10pm and 4am. Mostly cloudy, with a low around 44.
Monday
A slight chance of rain before 10am. Partly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles E Illinois Valley OR
 42.07°N 123.52°W (Elev. 2136 ft)
Last Update:
3:40 pm PST Nov 19, 2025
Forecast Valid:
9pm PST Nov 19, 2025-6pm PST Nov 26, 2025
 
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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