Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

68°F

20°C

Humidity 46%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 10 Aug 02:52 AM PDT
Extended Forecast for

4 Miles SSE Illinois Valley OR

  • Overnight

    Overnight: Clear, with a low around 50. North wind 3 to 5 mph.

    Low: 50 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 91. Light north northeast wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. North northeast wind 6 to 13 mph, with gusts as high as 18 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. North wind 6 to 13 mph, with gusts as high as 18 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. Northeast wind 10 to 14 mph, with gusts as high as 26 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 50. North wind 3 to 5 mph.
Monday
Sunny, with a high near 91. Light north northeast wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 50. North northeast wind 6 to 13 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 89. North wind 6 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 50. Northeast wind 10 to 14 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 48.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Illinois Valley OR
 42.03°N 123.66°W (Elev. 2480 ft)
2:51 am PDT Aug 10, 2026
3am PDT Aug 10, 2026-6pm PDT Aug 16, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database