Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

29°F

-2°C

Humidity 97%
Wind Speed SSE 1 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 17 Apr 02:52 AM PDT
Extended Forecast for

3 Miles SE Illinois Valley OR

Freeze Warning April 17, 03:48am until April 17, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning April 17, 03:48am until April 17, 09:00am

    NOW until 9:00am Fri

    Freeze Warning

  • Overnight

    Low: 29 °F

    Frost

  • Friday

    Friday: Widespread frost, mainly before 8am.  Otherwise, mostly sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Frost then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. Calm wind becoming southwest around 5 mph.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 11pm.  Mostly cloudy, with a low around 42. West southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 42 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly after 11am.  Mostly cloudy, with a high near 67.

    High: 67 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 41. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain Likely

  • Monday

    Monday: Rain likely.  Mostly cloudy, with a high near 61.

    High: 61 °F

    Rain Likely

Detailed Forecast

Overnight
Widespread frost, mainly after 5am. Otherwise, clear, with a steady temperature around 29. Calm wind.
Friday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 66. Light and variable wind.
Friday Night
Partly cloudy, with a low around 36. Calm wind becoming southwest around 5 mph.
Saturday
Mostly sunny, with a high near 72. Calm wind becoming west southwest around 6 mph in the afternoon.
Saturday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 42. West southwest wind 5 to 8 mph becoming calm in the evening.
Sunday
A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 67.
Sunday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 41. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely. Mostly cloudy, with a high near 61.
Monday Night
Rain. Mostly cloudy, with a low around 37.
Tuesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 60.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 38.
Wednesday
A chance of rain. Mostly cloudy, with a high near 56.
Wednesday Night
A chance of rain. Snow level 5500 feet lowering to 4500 feet after midnight . Mostly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Illinois Valley OR
 42.08°N 123.65°W (Elev. 1644 ft)
2:20 am PDT Apr 17, 2026
3am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database