
Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend
An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >
Current conditions at
ILLINOIS VALLEY AIRPORT (SBFO3)
Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.NA
41°F
5°C
| Humidity | 97% |
| Wind Speed | SSE 0 MPH |
| Barometer | NA |
| Dewpoint | 40°F (4°C) |
| Visibility | NA |
| Last update | 15 Nov 08:52 PM PST |
Extended Forecast for
17 Miles SSE Agness OR
Tonight
Low: 43 °F
Mostly Clear
then Slight
Chance RainSunday
High: 47 °F
Rain Likely
then RainSunday Night

Low: 42 °F
Rain
Monday

High: 44 °F
Rain
Monday Night

Low: 37 °F
Chance Rain
Tuesday

High: 45 °F
Chance Rain
Tuesday Night

Low: 35 °F
Mostly Clear
Wednesday

High: 48 °F
Rain Likely
Wednesday Night

Low: 42 °F
Rain
Detailed Forecast
Tonight
A 10 percent chance of rain after 4am. Increasing clouds, with a low around 43. East northeast wind around 5 mph becoming south after midnight.
Sunday
Rain. High near 47. South wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Snow level 6300 feet lowering to 5400 feet after midnight . Low around 42. South southwest wind 7 to 11 mph becoming north northwest after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain, mainly before 4pm. Snow level 4400 feet rising to 4900 feet in the afternoon. High near 44. North wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 40 percent chance of rain, mainly after 4am. Snow level 4400 feet. Mostly cloudy, with a low around 37. Northeast wind around 8 mph.
Tuesday
A 30 percent chance of rain, mainly before 10am. Snow level 4000 feet. Mostly sunny, with a high near 45.
Tuesday Night
Mostly clear, with a low around 35.
Wednesday
Rain likely, mainly after 4pm. Snow level 4300 feet rising to 5500 feet in the afternoon. Partly sunny, with a high near 48.
Wednesday Night
Rain. Snow level 5800 feet lowering to 5100 feet after midnight . Mostly cloudy, with a low around 42.
Thursday
Rain. Snow level 5000 feet. Mostly cloudy, with a high near 43.
Thursday Night
A chance of rain. Snow level 5400 feet. Mostly cloudy, with a low around 40.
Friday
A chance of rain. Mostly sunny, with a high near 49.
Friday Night
A chance of rain. Partly cloudy, with a low around 42.
Saturday
A chance of rain. Partly sunny, with a high near 52.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
8:46 pm PST Nov 15, 2025
9pm PST Nov 15, 2025-6pm PST Nov 22, 2025


