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

Rain Providing Some Relief to Drought-Stricken Southern U.S.

A storm tracking across the southern U.S. will continue to bring areas of heavy thunderstorms with risks for severe weather and excessive rainfall from Texas to Florida through this weekend. While much of this rainfall will be beneficial to the drought, excessive rainfall may bring areas of flash and urban flooding. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

78°F

26°C

Humidity 41%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Heat Index79°F (26°C)
Last update 02 May 05:52 PM PDT
Extended Forecast for

17 Miles SSE Agness OR

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 53. Southwest wind 5 to 7 mph becoming east northeast in the evening.

    Low: 53 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 73. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a chance of rain after 8pm. Mostly cloudy, with a low around 48. West southwest wind 6 to 10 mph becoming east southeast in the evening. Chance of precipitation is 50%.

    Low: 48 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of rain. Partly sunny, with a high near 56. Southwest wind 5 to 7 mph.

    High: 56 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 48. West southwest wind 3 to 8 mph.

    Low: 48 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Wednesday Night

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

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 53. Southwest wind 5 to 7 mph becoming east northeast in the evening.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 73. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a chance of rain after 8pm. Mostly cloudy, with a low around 48. West southwest wind 6 to 10 mph becoming east southeast in the evening. Chance of precipitation is 50%.
Monday
A 20 percent chance of rain. Partly sunny, with a high near 56. Southwest wind 5 to 7 mph.
Monday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 48. West southwest wind 3 to 8 mph.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 49.
Saturday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 ft)
Last Update:
4:40 pm PDT May 2, 2026
Forecast Valid:
6pm PDT May 2, 2026-6pm PDT May 9, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation