Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

48°F

9°C

Humidity 57%
Wind Speed NE 6 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 17 Apr 09:52 AM PDT
Extended Forecast for

Illinois Valley OR

  • Today

    Today: Areas of frost before 11am.  Otherwise, mostly sunny, with a high near 67. Northeast wind around 5 mph becoming calm  in the afternoon.

    High: 67 °F

    Areas Frost
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Light and variable wind.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72. Calm wind becoming 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 43. West southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 43 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly after 11am.  Mostly cloudy, with a high near 67. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 67 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 42. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain Likely

  • Monday

    Monday: Rain likely.  Mostly cloudy, with a high near 61. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 11am.  Mostly cloudy, with a high near 60.

    High: 60 °F

    Rain Likely

Detailed Forecast

Today
Areas of frost before 11am. Otherwise, mostly sunny, with a high near 67. Northeast wind around 5 mph becoming calm in the afternoon.
Tonight
Partly cloudy, with a low around 37. Light and variable wind.
Saturday
Mostly sunny, with a high near 72. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 43. 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. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Sunday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 42. 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. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
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, mainly before 11pm. Mostly cloudy, with a low around 39.
Wednesday
A chance of rain. Mostly cloudy, with a high near 57.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.09°N 123.68°W (Elev. 1394 ft)
4:41 am PDT Apr 17, 2026
10am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database