Record Heat Remains in Place This Week; Precipitation and Windy Conditions in the Northwest

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and spread across the central U.S. for the middle of the week. High temperatures will approach 90 from Texas to the Ohio Valley. A moist frontal system will bring lowland rain, high elevation mountain snow, and breezy winds to the Pacific Northwest into the Northern Rockies through Wednesday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

55°F

13°C

Humidity 32%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 24 Mar 12:52 AM PDT
Extended Forecast for

9 Miles WNW Illinois Valley OR

  • Overnight

    Overnight: A 20 percent chance of rain.  Mostly cloudy, with a low around 45. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 45 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 3pm.  Partly sunny, with a high near 52. South southwest wind 11 to 17 mph, with gusts as high as 36 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Slight Chance
    Rain then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain, mainly before 2am.  Low around 41. South southwest wind 7 to 13 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 11am.  Snow level 5700 feet lowering to 4000 feet. Mostly cloudy, with a high near 45. West wind 7 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%.

    High: 45 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 8pm, then a chance of snow between 8pm and 11pm.  Partly cloudy, with a low around 30. West northwest wind around 11 mph becoming north northeast after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 45. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Tuesday
Rain likely, mainly after 3pm. Partly sunny, with a high near 52. South southwest wind 11 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain, mainly before 2am. Low around 41. South southwest wind 7 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, mainly before 11am. Snow level 5700 feet lowering to 4000 feet. Mostly cloudy, with a high near 45. West wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of rain and snow before 8pm, then a chance of snow between 8pm and 11pm. Partly cloudy, with a low around 30. West northwest wind around 11 mph becoming north northeast after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
Sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 38.
Friday
Sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
A slight chance of rain. Snow level 6400 feet. Mostly sunny, with a high near 60.
Sunday Night
A chance of rain. Snow level 6600 feet lowering to 5600 feet after midnight . Mostly cloudy, with a low around 43.
Monday
A chance of rain. Snow level 5200 feet. Mostly cloudy, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
11:26 pm PDT Mar 23, 2026
1am PDT Mar 24, 2026-6pm PDT Mar 30, 2026
 
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