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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

74°F

23°C

Humidity 40%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 04 Oct 11:52 AM PDT
Extended Forecast for

17 Miles ENE Brookings Airport OR

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 77. Southwest wind around 8 mph.

    High: 77 °F

    Partly Sunny

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 64. South southwest wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. West wind 6 to 13 mph becoming east northeast in the evening. Winds could gust as high as 20 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. East northeast wind 8 to 13 mph becoming light and variable in the afternoon. Winds could gust as high as 20 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 77. Southwest wind around 8 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 64. South southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 61. West wind 6 to 13 mph becoming east northeast in the evening. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 78. East northeast wind 8 to 13 mph becoming light and variable in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Clear, with a low around 61.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Clear, with a low around 62.
Thursday
Sunny, with a high near 79.
Thursday Night
Clear, with a low around 60.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles ENE Brookings Airport OR
 42.2°N 123.98°W (Elev. 3786 ft)
Last Update:
11:26 am PDT Oct 4, 2026
Forecast Valid:
12pm PDT Oct 4, 2026-6pm PDT Oct 10, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation