Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

60°F

16°C

Humidity 50%
Wind Speed WSW 7 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 31 Mar 03:52 PM PDT
Extended Forecast for

3 Miles SE Illinois Valley OR

  • This Afternoon

    This Afternoon: A 30 percent chance of rain before 5pm.  Partly sunny, with a high near 58. Southwest wind around 14 mph, with gusts as high as 21 mph.

    High: 58 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly after midnight.  Snow level 5400 feet lowering to 4500 feet after midnight . Low around 38. Southwest wind 9 to 11 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain.  Snow level 5400 feet lowering to 4100 feet in the afternoon . High near 49. Southwest wind 8 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 49 °F

    Rain

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm.  Snow level 3800 feet lowering to 2700 feet after midnight . Low around 31. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 31 °F

    Showers

  • Thursday

    Thursday: Rain.  Snow level 2700 feet rising to 3800 feet in the afternoon. High near 52. South southwest wind around 5 mph becoming light and variable  in the morning.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm.  Snow level 4100 feet lowering to 3300 feet after midnight . Mostly clear, with a low around 27.

    Low: 27 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 33.

    Low: 33 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain before 5pm. Partly sunny, with a high near 58. Southwest wind around 14 mph, with gusts as high as 21 mph.
Tonight
Rain, mainly after midnight. Snow level 5400 feet lowering to 4500 feet after midnight . Low around 38. Southwest wind 9 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. Snow level 5400 feet lowering to 4100 feet in the afternoon . High near 49. Southwest wind 8 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Showers and possibly a thunderstorm. Snow level 3800 feet lowering to 2700 feet after midnight . Low around 31. Southwest wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain. Snow level 2700 feet rising to 3800 feet in the afternoon. High near 52. South southwest wind around 5 mph becoming light and variable in the morning. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 20 percent chance of rain before 11pm. Snow level 4100 feet lowering to 3300 feet after midnight . Mostly clear, with a low around 27.
Friday
Sunny, with a high near 65.
Friday Night
Clear, with a low around 33.
Saturday
Sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 73.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 41.
Tuesday
A chance of rain. Partly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Illinois Valley OR
 42.08°N 123.65°W (Elev. 1644 ft)
12:22 pm PDT Mar 31, 2026
4pm PDT Mar 31, 2026-6pm PDT Apr 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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