National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

82°F

28°C

Humidity 34%
Wind Speed W 7 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Heat Index81°F (27°C)
Last update 20 Jun 03:52 PM PDT
Extended Forecast for

5 Miles SE Illinois Valley OR

Heat Advisory June 22, 11:00am until June 23, 11:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Clear, with a low around 46. Southwest wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 91. Calm wind becoming north around 6 mph in the afternoon.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 49. North wind 5 to 7 mph becoming calm in the evening.

    Low: 49 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 98. Light and variable wind.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 56. Northwest wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 46. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 91. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Clear, with a low around 49. North wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 98. Light and variable wind.
Monday Night
Clear, with a low around 56. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Clear, with a low around 54.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Clear, with a low around 52.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 50.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Illinois Valley OR
 42.06°N 123.61°W (Elev. 1598 ft)
Last Update:
12:36 pm PDT Jun 20, 2026
Forecast Valid:
4pm PDT Jun 20, 2026-6pm PDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation