Critical Fire Weather in the Plains; Severe Thunderstorms in the Upper Mississippi Valley and Great Lakes

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the central and southern Plains today. Strong to severe thunderstorms are possible across portions of the upper Mississippi River Valley to the Great Lakes tonight through the day Tuesday. Damaging gusts, hail, and heavy rainfall are likely. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

44°F

7°C

Humidity 88%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 30 Mar 06:52 AM PDT
Extended Forecast for

3 Miles SE Illinois Valley OR

  • Today

    Today: A chance of showers before 2pm, then a chance of showers after 3pm.  Partly sunny, with a high near 63. Light and variable wind.  Chance of precipitation is 50%.

    High: 63 °F

    Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers after 1am.  Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers.  Partly sunny, with a high near 57. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 57 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 11pm, then rain after 11pm.  Snow level 5000 feet lowering to 4400 feet after midnight . Low around 38. Southwest wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain

  • Wednesday

    Wednesday: Rain.  Snow level 4700 feet. High near 49. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 26 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 49 °F

    Rain

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm.  Snow level 4300 feet lowering to 2900 feet after midnight . Low around 32. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 32 °F

    Showers

  • Thursday

    Thursday: Rain.  Snow level 2900 feet rising to 3700 feet in the afternoon. High near 51. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain before 11pm.  Snow level 4200 feet lowering to 3600 feet after midnight . Partly cloudy, with a low around 27.

    Low: 27 °F

    Chance Rain
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Today
A chance of showers before 2pm, then a chance of showers after 3pm. Partly sunny, with a high near 63. Light and variable wind. Chance of precipitation is 50%.
Tonight
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 38. Calm wind.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 57. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A chance of showers before 11pm, then rain after 11pm. Snow level 5000 feet lowering to 4400 feet after midnight . Low around 38. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. Snow level 4700 feet. High near 49. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Snow level 4300 feet lowering to 2900 feet after midnight . Low around 32. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Rain. Snow level 2900 feet rising to 3700 feet in the afternoon. High near 51. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of rain before 11pm. Snow level 4200 feet lowering to 3600 feet after midnight . Partly cloudy, with a low around 27.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Illinois Valley OR
 42.08°N 123.65°W (Elev. 1644 ft)
4:41 am PDT Mar 30, 2026
7am PDT Mar 30, 2026-6pm PDT Apr 5, 2026
 
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Additional Resources

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