Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375° N Lon: 123.68508° W Elev: 1389.0 ft.

NA

43°F

6°C

Humidity 94%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 24 Dec 07:52 AM PST
Detailed forecast for

Eastern Curry County and Josephine County

Today
Mostly cloudy with a chance of rain and slight chance of thunderstorms early this morning, then mostly cloudy with a chance of rain in the late morning and afternoon. Highs in the mid 40s to lower 50s. Windy. In the valleys, south winds 15 to 25 mph becoming southeast 5 to 10 mph. At higher elevations, south winds 25 to 35 mph decreasing to 10 to 15 mph this afternoon. Chance of precipitation 50 percent.
Tonight
Mostly cloudy. Chance of rain in the evening, then rain after midnight. Lows around 40. In the valleys, east winds 5 to 10 mph. At higher elevations, east winds 10 to 15 mph shifting to the southeast 10 to 20 mph after midnight. Chance of rain 80 percent.
Christmas Day
Rain in the morning, then rain and snow in the afternoon. No snow accumulation. Highs in the mid 40s to lower 50s. Breezy. South winds 10 to 15 mph in the valleys and south 20 to 30 mph at higher elevations. Gusts up to 40 mph in the late morning and afternoon. Chance of precipitation 90 percent.
Thursday Night
Rain and snow. Snow level 3500 feet. Lows in the mid 30s to lower 40s. Southeast winds 5 to 10 mph in the valleys and southeast 15 to 20 mph at higher elevations. Chance of precipitation 90 percent.
Friday
Rain and snow. Snow level 3500 feet. Highs in the lower to mid 40s. In the valleys, southeast winds around 5 mph shifting to the northwest in the afternoon. At higher elevations, southeast winds 10 to 20 mph becoming 10 to 15 mph in the late morning and early afternoon, then shifting to the north 5 to 10 mph late in the afternoon. Chance of precipitation 90 percent.
Friday Night
Mostly cloudy with a chance of rain and snow. Lows in the lower to mid 30s.
Saturday
Partly cloudy with a slight chance of rain in the morning, then sunny in the afternoon. Highs in the lower to mid 40s.
Saturday Night
Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 30s.
Sunday And Sunday Night
Partly cloudy. Highs in the mid 40s to lower 50s. Lows in the lower to mid 30s.
Monday Through Tuesday
Mostly clear. Highs in the lower to mid 50s. Lows in the lower 30s to lower 40s.



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757 AM PST Wed Dec 24 2025
 
 

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