Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

78°F

26°C

Humidity 30%
Wind Speed NE 10 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Heat Index78°F (26°C)
Last update 03 Aug 11:52 AM PDT
Extended Forecast for

5 Miles SE Agness OR

Heat Advisory August 4, 11:00am until August 6, 11:00pm
Click here for hazard details and duration
Heat Advisory
  • This Afternoon

    This Afternoon: Sunny, with a high near 92. North wind 9 to 11 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Patchy smoke after 10pm. Clear, with a low around 61. North northwest wind 5 to 9 mph becoming east after midnight.

    Low: 61 °F

    Patchy Smoke

  • Tuesday

    Tuesday: Patchy smoke. Sunny and hot, with a high near 104. Light and variable wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 104 °F

    Patchy Smoke

  • Tuesday Night

    Tuesday Night: Areas of smoke. Mostly clear, with a low around 66. North northwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 66 °F

    Areas Smoke

  • Wednesday

    Wednesday: Sunny and hot, with a high near 103. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 103 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

  • Friday

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

    High: 98 °F

    Hot

Detailed Forecast

This Afternoon
Sunny, with a high near 92. North wind 9 to 11 mph.
Tonight
Patchy smoke after 10pm. Clear, with a low around 61. North northwest wind 5 to 9 mph becoming east after midnight.
Tuesday
Patchy smoke. Sunny and hot, with a high near 104. Light and variable wind becoming north northwest 5 to 8 mph in the afternoon.
Tuesday Night
Areas of smoke. Mostly clear, with a low around 66. North northwest wind 5 to 9 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 103. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Wednesday Night
Clear, with a low around 64.
Thursday
Sunny and hot, with a high near 101.
Thursday Night
Clear, with a low around 63.
Friday
Sunny and hot, with a high near 98.
Friday Night
Clear, with a low around 62.
Saturday
Sunny, with a high near 92.
Saturday Night
Clear, with a low around 59.
Sunday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Agness OR
 42.49°N 124.01°W (Elev. 269 ft)
12:46 pm PDT Aug 3, 2026
12pm PDT Aug 3, 2026-6pm PDT Aug 9, 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