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

75°F

24°C

Humidity 34%
Wind Speed NNE 11 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 03 Aug 10:52 AM PDT
Extended Forecast for

4 Miles SSE Agness OR

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

    Today: Sunny, with a high near 90. North northeast wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Patchy smoke after 8pm. Clear, with a low around 63. North wind 8 to 11 mph becoming east northeast after midnight.

    Low: 63 °F

    Patchy Smoke

  • Tuesday

    Tuesday: Patchy smoke. Sunny and hot, with a high near 101. Southeast wind 5 to 9 mph becoming north northwest in the morning.

    High: 101 °F

    Patchy Smoke

  • Tuesday Night

    Tuesday Night: Clear, with a low around 69. North northwest wind 5 to 10 mph becoming east after midnight.

    Low: 69 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 66.

    Low: 66 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 90. North northeast wind 11 to 14 mph, with gusts as high as 22 mph.
Tonight
Patchy smoke after 8pm. Clear, with a low around 63. North wind 8 to 11 mph becoming east northeast after midnight.
Tuesday
Patchy smoke. Sunny and hot, with a high near 101. Southeast wind 5 to 9 mph becoming north northwest in the morning.
Tuesday Night
Clear, with a low around 69. North northwest wind 5 to 10 mph becoming east after midnight.
Wednesday
Sunny and hot, with a high near 100. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.
Wednesday Night
Clear, with a low around 66.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Clear, with a low around 65.
Friday
Sunny, with a high near 94.
Friday Night
Clear, with a low around 64.
Saturday
Sunny, with a high near 87.
Saturday Night
Clear, with a low around 59.
Sunday
Sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Agness OR
 42.5°N 124.04°W (Elev. 407 ft)
10:40 am PDT Aug 3, 2026
11am PDT Aug 3, 2026-6pm PDT Aug 9, 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