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

70°F

21°C

Humidity 49%
Wind Speed SSW 6 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 02 May 07:52 PM PDT
Extended Forecast for

17 Miles SSE Agness OR

  • Tonight

    Tonight: A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 53. East northeast wind around 6 mph.

    Low: 53 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 71. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 48. West southwest wind 6 to 9 mph becoming southeast in the evening. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 48 °F

    Heavy Rain
    then Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers. Partly sunny, with a high near 55. Southwest wind 5 to 7 mph.

    High: 55 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 48. West southwest wind 3 to 8 mph.

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °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 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 53. East northeast wind around 6 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 71. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 48. West southwest wind 6 to 9 mph becoming southeast in the evening. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 55. Southwest wind 5 to 7 mph.
Monday Night
Mostly cloudy, with a low around 48. West southwest wind 3 to 8 mph.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 49.
Saturday
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:
8:11 pm PDT May 2, 2026
Forecast Valid:
8pm 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