Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Wind Advisory in effect from December 23, 10:00 PM PST until December 24, 01:00 PM PST

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

40°F

4°C

Humidity	99%
Wind Speed	ENE 0 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Last update	23 Dec 11:52 PM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Eastern Curry County and Josephine County

Tonight

Chance of rain showers early this evening, then rain showers late this evening and overnight. Lows in the mid 30s to lower 40s. Breezy. In the valleys, east winds 10 to 15 mph. At higher elevations, east winds 15 to 20 mph shifting to the southeast 20 to 30 mph well after midnight. Chance of showers 90 percent.

Wednesday

Mostly cloudy. Rain showers likely in the morning, then chance of rain showers in the afternoon. Highs in the mid 40s to lower 50s. Windy. In the valleys, south winds 15 to 25 mph decreasing to 10 to 15 mph late in the afternoon. At higher elevations, south winds 25 to 35 mph decreasing to 15 to 20 mph late in the afternoon. Chance of showers 60 percent.

Wednesday Night

Rain showers likely in the evening, then rain showers after midnight. Lows in the mid 30s to lower 40s. East winds 5 to 10 mph in the valleys and east 15 to 20 mph at higher elevations. Chance of showers 90 percent.

Christmas Day

Rain showers in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 40s to lower 50s. Breezy. Southeast 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 showers in the evening, then rain and snow showers after midnight. Snow level 3500 feet after midnight. Lows in the mid 30s to lower 40s. In the valleys, southeast winds 5 to 10 mph. At higher elevations, southeast winds 15 to 25 mph decreasing to 10 to 15 mph late in the evening and overnight. Chance of precipitation 90 percent.

Friday

Rain and snow showers in the morning, then rain and snow in the afternoon. Highs in the lower to mid 40s.

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 and snow in the morning, then sunny in the afternoon. Highs in the lower to mid 40s.

Saturday Night

Mostly clear in the evening then becoming partly cloudy. Lows in the lower to mid 30s.

Sunday

Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid 40s to lower 50s.

Sunday Night

Partly cloudy in the evening then clearing. Lows in the lower to mid 30s.