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

50°F

10°C

Humidity 98%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 30 Mar 10:52 PM PDT
Extended Forecast for

17 Miles WNW Illinois Valley OR

  • Tonight

    Tonight: A chance of rain before 3am, then a slight chance of rain after 5am.  Snow level 6600 feet lowering to 5400 feet. Mostly cloudy, with a low around 37. South wind 9 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    Low: 37 °F

    Chance Rain

  • Tuesday

    Tuesday: A chance of rain before 10am, then a chance of rain and snow.  Snow level 4800 feet. Mostly cloudy, with a high near 42. South southwest wind 11 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow, mainly after 11pm.  Snow level 4600 feet. Low around 35. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: Rain before 2pm, then rain, possibly mixed with snow. The rain could be heavy at times.  Snow level 5300 feet lowering to 4700 feet in the afternoon . High near 39. Windy, with a southwest wind 25 to 31 mph, with gusts as high as 49 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Windy. Heavy
    Rain then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow showers before 2am, then snow after 2am. Some thunder is also possible.  Low around 35. Breezy, with a west southwest wind around 23 mph, with gusts as high as 34 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 35 °F

    Snow Showers
    and Breezy

  • Thursday

    Thursday: Snow.  High near 40. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 40 °F

    Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 11pm.  Partly cloudy, with a low around 33. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain before 3am, then a slight chance of rain after 5am. Snow level 6600 feet lowering to 5400 feet. Mostly cloudy, with a low around 37. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday
A chance of rain before 10am, then a chance of rain and snow. Snow level 4800 feet. Mostly cloudy, with a high near 42. South southwest wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday Night
Rain, possibly mixed with snow, mainly after 11pm. Snow level 4600 feet. Low around 35. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Rain before 2pm, then rain, possibly mixed with snow. The rain could be heavy at times. Snow level 5300 feet lowering to 4700 feet in the afternoon . High near 39. Windy, with a southwest wind 25 to 31 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow showers before 2am, then snow after 2am. Some thunder is also possible. Low around 35. Breezy, with a west southwest wind around 23 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. High near 40. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday Night
A chance of rain and snow before 11pm. Partly cloudy, with a low around 33. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
Sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 46.
Monday
A chance of rain. Snow level 6400 feet. Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
10:41 pm PDT Mar 30, 2026
11pm PDT Mar 30, 2026-6pm PDT Apr 6, 2026
 
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Additional Resources

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