



Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies
A storm system moving eastward will bring widespread showers and thunderstorms over parts of the Northern Plains to the Southern Plains and Upper Great Lakes through Friday. Heavy snow will continue over parts of the Northern Rockies. Read More >
Current conditions at
ILLINOIS VALLEY AIRPORT (SBFO3)
Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.NA
54°F
12°C
Humidity | 77% |
Wind Speed | SSW 5 MPH |
Barometer | NA |
Dewpoint | 47°F (8°C) |
Visibility | NA |
Last update | 15 Oct 07:52 PM PDT |
Extended Forecast for
9 Miles WSW Illinois Valley OR
Tonight
Low: 42 °F
Partly Cloudy
Thursday
High: 57 °F
Sunny
Thursday Night
Low: 46 °F
Partly Cloudy
Friday
High: 60 °F
Sunny
Friday Night
Low: 47 °F
Clear
Saturday
High: 62 °F
Sunny
Saturday Night
Low: 44 °F
Chance Rain
Sunday
High: 48 °F
Showers
LikelySunday Night
Low: 42 °F
Chance Rain
Detailed Forecast
Tonight
Partly cloudy, with a low around 42. Light and variable wind becoming northeast 5 to 8 mph after midnight.
Thursday
Sunny, with a high near 57. East northeast wind 5 to 9 mph.
Thursday Night
Partly cloudy, with a low around 46. East northeast wind 6 to 16 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 60. North northeast wind 7 to 16 mph, with gusts as high as 24 mph.
Friday Night
Clear, with a low around 47. East northeast wind 7 to 16 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 62.
Saturday Night
A 30 percent chance of rain after 11pm. Partly cloudy, with a low around 44.
Sunday
Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am. Snow level 9200 feet lowering to 6100 feet in the afternoon . Partly sunny, with a high near 48.
Sunday Night
A chance of rain, mainly before 11pm. Snow level 5900 feet lowering to 5300 feet after midnight . Partly cloudy, with a low around 42.
Monday
Sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 55.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
9 Miles WSW Illinois Valley OR
42.04°N 123.85°W (Elev. 3799 ft)
42.04°N 123.85°W (Elev. 3799 ft)
4:40 pm PDT Oct 15, 2025
8pm PDT Oct 15, 2025-6pm PDT Oct 22, 2025