Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

56°F

13°C

Humidity 41%
Wind Speed NNW 5 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 10 Mar 01:52 PM PDT
Extended Forecast for

17 Miles SSE Agness OR

  • This Afternoon

    This Afternoon: A 20 percent chance of rain before 5pm.  Snow level 3100 feet. Mostly sunny, with a high near 44. West northwest wind around 10 mph.

    High: 44 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A slight chance of rain before 8pm, then a slight chance of rain after 2am.  Snow level 2700 feet rising to 3800 feet after midnight. Partly cloudy, with a low around 34. West wind 5 to 7 mph becoming light and variable.  Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain.  Snow level 4100 feet rising to 5500 feet in the afternoon. Mostly cloudy, with a high near 49. South southeast wind 6 to 11 mph becoming southwest in the afternoon.

    High: 49 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 39. South southwest wind 7 to 9 mph.

    Low: 39 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely.  Partly sunny, with a high near 52. South southwest wind 6 to 8 mph.  Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Friday

    Friday: Rain likely.  Partly sunny, with a high near 52. Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain, mainly after 11pm.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Rain

  • Saturday

    Saturday: Rain.  Snow level 7700 feet lowering to 5400 feet in the afternoon . Mostly cloudy, with a high near 57.

    High: 57 °F

    Rain

Detailed Forecast

This Afternoon
A 20 percent chance of rain before 5pm. Snow level 3100 feet. Mostly sunny, with a high near 44. West northwest wind around 10 mph.
Tonight
A slight chance of rain before 8pm, then a slight chance of rain after 2am. Snow level 2700 feet rising to 3800 feet after midnight. Partly cloudy, with a low around 34. West wind 5 to 7 mph becoming light and variable. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of rain. Snow level 4100 feet rising to 5500 feet in the afternoon. Mostly cloudy, with a high near 49. South southeast wind 6 to 11 mph becoming southwest in the afternoon.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39. South southwest wind 7 to 9 mph.
Thursday
Rain likely. Partly sunny, with a high near 52. South southwest wind 6 to 8 mph. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Friday
Rain likely. Partly sunny, with a high near 52. Chance of precipitation is 60%.
Friday Night
Rain, mainly after 11pm. Mostly cloudy, with a low around 48.
Saturday
Rain. Snow level 7700 feet lowering to 5400 feet in the afternoon . Mostly cloudy, with a high near 57.
Saturday Night
A slight chance of rain before 11pm. Snow level 5000 feet lowering to 3500 feet after midnight . Partly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 70.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 ft)
1:41 pm PDT Mar 10, 2026
2pm PDT Mar 10, 2026-6pm PDT Mar 16, 2026
 
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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