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

59°F

15°C

Humidity 54%
Wind Speed SW 10 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 31 Mar 01:52 PM PDT
Extended Forecast for

5 Miles NNW Cave Junction OR

  • This Afternoon

    This Afternoon: A 20 percent chance of rain before 5pm.  Mostly sunny, with a high near 59. Southwest wind around 13 mph, with gusts as high as 20 mph.

    High: 59 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain, mainly after midnight.  Snow level 5200 feet lowering to 4400 feet after midnight . Low around 41. South southwest wind 8 to 10 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain.  Snow level 5400 feet lowering to 3900 feet in the afternoon . High near 49. South wind 9 to 16 mph becoming west southwest in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 49 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain showers before 8pm, then rain, possibly mixed with snow showers between 8pm and 11pm, then rain showers after 11pm. Some thunder is also possible.  Snow level 3600 feet lowering to 2700 feet after midnight . Low around 35. West southwest wind 9 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    then Showers

  • Thursday

    Thursday: Rain, possibly mixed with snow, becoming all rain after 11am.  Snow level 2700 feet rising to 3700 feet in the afternoon. High near 53. West southwest wind around 5 mph becoming calm  in the morning.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 53 °F

    Rain/Snow
    then Rain
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm.  Snow level 4000 feet lowering to 3400 feet after midnight . Mostly clear, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain before 5pm. Mostly sunny, with a high near 59. Southwest wind around 13 mph, with gusts as high as 20 mph.
Tonight
Rain, mainly after midnight. Snow level 5200 feet lowering to 4400 feet after midnight . Low around 41. South southwest wind 8 to 10 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 3900 feet in the afternoon . High near 49. South wind 9 to 16 mph becoming west southwest in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain showers before 8pm, then rain, possibly mixed with snow showers between 8pm and 11pm, then rain showers after 11pm. Some thunder is also possible. Snow level 3600 feet lowering to 2700 feet after midnight . Low around 35. West southwest wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Rain, possibly mixed with snow, becoming all rain after 11am. Snow level 2700 feet rising to 3700 feet in the afternoon. High near 53. West southwest wind around 5 mph becoming calm in the morning. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
A 20 percent chance of rain before 11pm. Snow level 4000 feet lowering to 3400 feet after midnight . Mostly clear, with a low around 31.
Friday
Sunny, with a high near 66.
Friday Night
Clear, with a low around 38.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Cave Junction OR
 42.25°N 123.69°W (Elev. 1499 ft)
12:22 pm PDT Mar 31, 2026
2pm PDT Mar 31, 2026-6pm PDT Apr 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database