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

51°F

11°C

Humidity 61%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 31 Mar 08:52 PM PDT
Extended Forecast for

18 Miles WNW Cave Junction OR

  • Tonight

    Tonight: Rain, mainly after 10pm.  Snow level 4300 feet. Low around 40. South southwest wind 11 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Rain Likely
    then Rain

  • Wednesday

    Wednesday: Rain, possibly mixed with snow before 4pm, then rain likely between 4pm and 5pm, then rain likely, possibly mixed with snow showers after 5pm. The rain could be heavy at times. Some thunder is also possible.  Snow level 5500 feet lowering to 3800 feet in the afternoon . High near 43. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 38 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 43 °F

    Breezy. Heavy
    Rain then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow showers. Some thunder is also possible.  Snow level 3600 feet lowering to 2800 feet after midnight . Low around 36. West southwest wind 14 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 36 °F

    Rain/Snow

  • Thursday

    Thursday: Rain, possibly mixed with snow, becoming all rain after 2pm.  Snow level 2800 feet rising to 3600 feet in the afternoon. High near 46. West southwest wind 5 to 9 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm.  Snow level 3700 feet. Mostly clear, with a low around 34. West northwest wind 6 to 9 mph becoming east northeast after midnight.

    Low: 34 °F

    Slight Chance
    Rain then
    Clear

  • Friday

    Friday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain, mainly after 10pm. Snow level 4300 feet. Low around 40. South southwest wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Rain, possibly mixed with snow before 4pm, then rain likely between 4pm and 5pm, then rain likely, possibly mixed with snow showers after 5pm. The rain could be heavy at times. Some thunder is also possible. Snow level 5500 feet lowering to 3800 feet in the afternoon . High near 43. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow showers. Some thunder is also possible. Snow level 3600 feet lowering to 2800 feet after midnight . Low around 36. West southwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday
Rain, possibly mixed with snow, becoming all rain after 2pm. Snow level 2800 feet rising to 3600 feet in the afternoon. High near 46. West southwest wind 5 to 9 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday Night
A 20 percent chance of rain before 11pm. Snow level 3700 feet. Mostly clear, with a low around 34. West northwest wind 6 to 9 mph becoming east northeast after midnight.
Friday
Sunny, with a high near 61.
Friday Night
Clear, with a low around 43.
Saturday
Sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 64.
Monday Night
A chance of rain. Mostly cloudy, with a low around 47.
Tuesday
A chance of rain. Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles WNW Cave Junction OR
 42.22°N 123.99°W (Elev. 2487 ft)
4:41 pm PDT Mar 31, 2026
9pm PDT Mar 31, 2026-6pm PDT Apr 7, 2026
 
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Additional Resources

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