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 >

Hazardous Weather Conditions

Current conditions at

Alturas (KAAT)

Lat: 41.48362°NLon: 120.5615°WElev: 4383.0ft.

Mostly Cloudy

37°F

3°C

Humidity	74%
Wind Speed	SSE 6 MPH
Barometer	29.67 in (1004.74 mb)
Dewpoint	30°F (-1°C)
Visibility	10.00 mi
Wind Chill	32°F (0°C)
Last update	25 Dec 08:20 PM PST

More Information:

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

Extended Forecast for

4 Miles WNW Eagleville CA

Winter Weather Advisory December 25, 08:32pm until December 26, 07:00am

Winter Storm Warning December 25, 08:32pm until December 26, 04:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Storm Warning

Winter Weather Advisory December 25, 08:32pm until December 26, 07:00am
Winter Storm Warning December 25, 08:32pm until December 26, 04:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 22 °F
Breezy. Snow
Showers then
Chance Snow
Showers
Friday
High: 22 °F
Windy. Chance
Snow Showers
then Heavy
Snow
Friday Night
Low: 17 °F
Heavy Snow
Saturday
High: 21 °F
Slight Chance
Snow
Saturday Night
Low: 13 °F
Mostly Cloudy
Sunday
High: 20 °F
Mostly Sunny
Sunday Night
Low: 14 °F
Mostly Clear
Monday
High: 23 °F
Sunny

Detailed Forecast

Tonight

Snow showers, mainly before 2am. Steady temperature around 22. Breezy, with a south southwest wind 24 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.

Friday

Snow showers likely, mainly between 1pm and 4pm, then snow likely after 4pm. The snow could be heavy at times. Partly sunny, with a high near 22. Wind chill values as low as zero. Windy, with a southwest wind 26 to 31 mph, with gusts as high as 47 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.

Friday Night

Snow likely, mainly before 10pm. The snow could be heavy at times. Mostly cloudy, with a low around 17. Wind chill values as low as zero. West wind around 21 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 7 inches possible.

Saturday

A 20 percent chance of snow. Partly sunny, with a high near 21. West northwest wind 11 to 16 mph, with gusts as high as 25 mph.

Saturday Night

Mostly cloudy, with a low around 13. West southwest wind 8 to 10 mph.

Sunday

Mostly sunny, with a high near 20.

Sunday Night

Mostly clear, with a low around 14.

Monday

Sunny, with a high near 23.

Monday Night

Mostly clear, with a low around 18.