
Prolonged Extreme Cold; Eastern U.S. Winter Storm
Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >
Current conditions at
ILLINOIS VALLEY AIRPORT (SBFO3)
Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.NA
37°F
3°C
| Humidity | 97% |
| Wind Speed | WSW 0 MPH |
| Barometer | NA |
| Dewpoint | 36°F (2°C) |
| Visibility | NA |
| Last update | 29 Jan 12:52 AM PST |
Extended Forecast for
17 Miles SSE Agness OR
Overnight

Low: 43 °F
Slight Chance
ShowersThursday

High: 52 °F
Chance
ShowersThursday Night

Low: 46 °F
Mostly Cloudy
Friday

High: 56 °F
Slight Chance
RainFriday Night

Low: 48 °F
Mostly Cloudy
Saturday

High: 60 °F
Partly Sunny
Saturday Night

Low: 47 °F
Chance Rain
Sunday

High: 49 °F
Rain
Sunday Night

Low: 42 °F
Chance Rain
Detailed Forecast
Overnight
A 20 percent chance of showers before 4am. Snow level 5400 feet. Mostly cloudy, with a low around 43. South wind 8 to 10 mph.
Thursday
A 30 percent chance of showers, mainly before 11am. Snow level 5400 feet rising to 6200 feet in the afternoon. Mostly cloudy, with a high near 52. South wind around 9 mph.
Thursday Night
Mostly cloudy, with a low around 46. South wind around 10 mph.
Friday
A 20 percent chance of rain after 10am. Partly sunny, with a high near 56. South wind around 9 mph.
Friday Night
Mostly cloudy, with a low around 48. East wind around 9 mph.
Saturday
Partly sunny, with a high near 60.
Saturday Night
A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 47.
Sunday
Rain. Mostly cloudy, with a high near 49.
Sunday Night
A chance of rain, mainly before 4am. Snow level 5100 feet. Mostly cloudy, with a low around 42.
Monday
A slight chance of rain before 10am. Snow level 4700 feet rising to 5300 feet in the afternoon. Mostly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 63.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
17 Miles SSE Agness OR
42.32°N 123.96°W (Elev. 2408 ft)
42.32°N 123.96°W (Elev. 2408 ft)
12:30 am PST Jan 29, 2026
1am PST Jan 29, 2026-6pm PST Feb 4, 2026


