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

Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

64°F

18°C

Humidity 43%
Wind Speed NNE 9 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 03 Aug 12:52 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

  • Overnight

    Overnight: Clear, with a low around 57. North northwest wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 90. North northeast wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Patchy smoke. Mostly clear, with a low around 63. North wind 8 to 11 mph becoming east northeast after midnight.

    Low: 63 °F

    Patchy Smoke

  • Tuesday

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

    High: 101 °F

    Hot

  • 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.

    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

Detailed Forecast

Overnight
Clear, with a low around 57. North northwest wind 10 to 13 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 90. North northeast wind 8 to 14 mph, with gusts as high as 22 mph.
Monday Night
Patchy smoke. Mostly clear, with a low around 63. North wind 8 to 11 mph becoming east northeast after midnight.
Tuesday
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.
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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Agness OR
 42.5°N 124.04°W (Elev. 407 ft)
Last Update:
11:11 pm PDT Aug 2, 2026
Forecast Valid:
1am PDT Aug 3, 2026-6pm PDT Aug 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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Chance of Precipitation