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

61°F

16°C

Humidity 32%
Wind Speed ENE 5 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 17 Apr 12:52 PM PDT
Extended Forecast for

Illinois Valley OR

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 67. North northeast wind 3 to 5 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

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

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43. West southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 11am.  Mostly cloudy, with a high near 68. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 68 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

  • 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 40.

    Low: 40 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, then showers and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 67. North northeast wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 37. Calm wind.
Saturday
Mostly sunny, with a high near 72. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 43. West southwest wind 5 to 8 mph becoming calm in the evening.
Sunday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 68. Calm wind becoming south southwest around 5 mph in the afternoon.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42.
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 40.
Tuesday
Rain likely, then showers and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 59.
Tuesday Night
Rain. Mostly cloudy, with a low around 39.
Wednesday
Rain likely. Mostly cloudy, with a high near 56.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 37.
Thursday
A slight chance of rain. Snow level 4300 feet rising to 5400 feet in the afternoon. Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.09°N 123.68°W (Elev. 1394 ft)
12:23 pm PDT Apr 17, 2026
1pm 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