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

53°F

12°C

Humidity 97%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 30 Mar 07:52 PM PDT
Extended Forecast for

16 Miles SE Agness OR

  • Tonight

    Tonight: A chance of rain before 3am, then a slight chance of rain after 5am.  Snow level 6300 feet lowering to 5400 feet after midnight . Mostly cloudy, with a low around 42. Calm wind becoming west southwest 5 to 7 mph after midnight.  Chance of precipitation is 40%.

    Low: 42 °F

    Chance Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly between 8am and 2pm.  Snow level 4800 feet. Partly sunny, with a high near 50. Southwest wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 50 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly after 11pm.  Snow level 4400 feet. Low around 39. South wind 8 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: Rain.  Snow level 5000 feet lowering to 4400 feet in the afternoon . High near 43. Southwest wind 13 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 43 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain showers before 2am, then snow showers, possibly mixed with rain. Some thunder is also possible.  Snow level 3900 feet lowering to 2800 feet after midnight . Low around 38. West southwest wind 16 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 38 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow, becoming all rain after 2pm.  Snow level 3000 feet. High near 45. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 11pm.  Snow level 3400 feet. Partly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain before 3am, then a slight chance of rain after 5am. Snow level 6300 feet lowering to 5400 feet after midnight . Mostly cloudy, with a low around 42. Calm wind becoming west southwest 5 to 7 mph after midnight. Chance of precipitation is 40%.
Tuesday
A 40 percent chance of rain, mainly between 8am and 2pm. Snow level 4800 feet. Partly sunny, with a high near 50. Southwest wind 5 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Rain, mainly after 11pm. Snow level 4400 feet. Low around 39. South wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. Snow level 5000 feet lowering to 4400 feet in the afternoon . High near 43. Southwest wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain showers before 2am, then snow showers, possibly mixed with rain. Some thunder is also possible. Snow level 3900 feet lowering to 2800 feet after midnight . Low around 38. West southwest wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Rain and snow, becoming all rain after 2pm. Snow level 3000 feet. High near 45. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
A 30 percent chance of rain before 11pm. Snow level 3400 feet. Partly cloudy, with a low around 34.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 48.
Monday
A chance of rain. Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SE Agness OR
 42.4°N 123.83°W (Elev. 2582 ft)
4:41 pm PDT Mar 30, 2026
8pm PDT Mar 30, 2026-6pm PDT Apr 6, 2026
 
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Additional Resources

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