Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

51°F

11°C

Humidity 97%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 30 Mar 09:52 PM PDT
Extended Forecast for

5 Miles NNW Cave Junction OR

  • Tonight

    Tonight: A chance of rain before 2am, then a slight chance of rain after 5am.  Mostly cloudy, with a low around 43. Calm wind becoming southwest around 6 mph after midnight.  Chance of precipitation is 40%.

    Low: 43 °F

    Chance Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain, mainly between 8am and 2pm.  Partly sunny, with a high near 58. Light southwest wind increasing to 6 to 11 mph in the morning.

    High: 58 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly after 11pm.  Low around 42. Southwest wind 7 to 11 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 46. West southwest wind 11 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 46 °F

    Rain

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 2am, then rain after 2am.  Snow level 4000 feet lowering to 2800 feet after midnight . Low around 35. West southwest wind 11 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Showers

  • Thursday

    Thursday: Rain.  Snow level 3000 feet. High near 52. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 11pm.  Snow level 3800 feet lowering to 3100 feet after midnight . Partly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain before 2am, then a slight chance of rain after 5am. Mostly cloudy, with a low around 43. Calm wind becoming southwest around 6 mph after midnight. Chance of precipitation is 40%.
Tuesday
A 50 percent chance of rain, mainly between 8am and 2pm. Partly sunny, with a high near 58. Light southwest wind increasing to 6 to 11 mph in the morning.
Tuesday Night
Rain, mainly after 11pm. Low around 42. Southwest wind 7 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. High near 46. West southwest wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Showers and possibly a thunderstorm before 2am, then rain after 2am. Snow level 4000 feet lowering to 2800 feet after midnight . Low around 35. West southwest wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain. Snow level 3000 feet. High near 52. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 30 percent chance of rain before 11pm. Snow level 3800 feet lowering to 3100 feet after midnight . Partly cloudy, with a low around 31.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 44.
Monday
A slight chance of rain. Mostly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Cave Junction OR
 42.25°N 123.69°W (Elev. 1499 ft)
4:41 pm PDT Mar 30, 2026
10pm PDT Mar 30, 2026-6pm PDT Apr 6, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database