Record Heat Remains in Place This Week; Severe Thunderstorms Possible Thursday

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week. Over 200 new record high temperatures are forecast. Severe thunderstorms are being outlooked on Thursday over the Midwest. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

45°F

7°C

Humidity 88%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 23 Mar 08:52 AM PDT
Extended Forecast for

16 Miles SE Agness OR

  • Today

    Today: A 20 percent chance of rain after 4pm.  Snow level 4600 feet rising to 6000 feet in the afternoon. Mostly sunny, with a high near 60. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Tonight

    Tonight: A 40 percent chance of rain.  Mostly cloudy, with a low around 49. West wind 6 to 8 mph becoming south southeast after midnight.

    Low: 49 °F

    Chance Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 56. South southwest wind 6 to 16 mph, with gusts as high as 24 mph.

    High: 56 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 44. Southwest wind 7 to 11 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 11am.  Snow level 5500 feet lowering to 4400 feet in the afternoon . Mostly cloudy, with a high near 49. West wind 6 to 11 mph.  Chance of precipitation is 70%.

    High: 49 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 8pm, then a chance of rain and snow between 8pm and 2am, then a slight chance of snow after 2am.  Snow level 4100 feet lowering to 2600 feet after midnight . Partly cloudy, with a low around 35. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

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

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of rain after 4pm. Snow level 4600 feet rising to 6000 feet in the afternoon. Mostly sunny, with a high near 60. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tonight
A 40 percent chance of rain. Mostly cloudy, with a low around 49. West wind 6 to 8 mph becoming south southeast after midnight.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 56. South southwest wind 6 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Rain. Low around 44. Southwest wind 7 to 11 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 5500 feet lowering to 4400 feet in the afternoon . Mostly cloudy, with a high near 49. West wind 6 to 11 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of rain before 8pm, then a chance of rain and snow between 8pm and 2am, then a slight chance of snow after 2am. Snow level 4100 feet lowering to 2600 feet after midnight . Partly cloudy, with a low around 35. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 40.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
A chance of rain. Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SE Agness OR
 42.4°N 123.83°W (Elev. 2582 ft)
4:41 am PDT Mar 23, 2026
9am PDT Mar 23, 2026-6pm PDT Mar 29, 2026
 
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Additional Resources

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