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

Mount Shasta (KMHS)

Lat: 41.31494°NLon: 122.31702°WElev: 3540.0ft.

heavy rain,mist

37°F

3°C

Humidity	95%
Wind Speed	E 8 MPH
Barometer	29.5 in (998.99 mb)
Dewpoint	36°F (2°C)
Visibility	1.75 mi
Wind Chill	31°F (-1°C)
Last update	24 Dec 09:56 PM PST

More Information:

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

Extended Forecast for

8 Miles SW Weed CA

Winter Storm Warning December 24, 10:32pm until December 26, 10:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 24, 10:32pm until December 26, 10:00am
NOW until 10:00am Fri
Winter Storm Warning
Tonight
Low: 27 °F
Heavy Snow
and Windy
Christmas Day
High: 28 °F⇓
Heavy Snow
and Windy
Thursday Night
Low: 23 °F
Heavy Snow
and Windy
Friday
High: 26 °F
Heavy Snow
and Windy
Friday Night
Low: 20 °F
Snow Likely
then Chance
Snow
Saturday
High: 22 °F
Mostly Sunny
Saturday Night
Low: 16 °F
Partly Cloudy
Sunday
High: 26 °F
Mostly Sunny

Detailed Forecast

Tonight

Snow. The snow could be heavy at times. Steady temperature around 27. Windy, with a south southeast wind 31 to 39 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 15 to 21 inches possible.

Christmas Day

Snow. The snow could be heavy at times. Temperature falling to around 22 by 10am. Windy, with a north wind 31 to 39 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.

Thursday Night

Snow. The snow could be heavy at times. Low around 23. Windy, with a south wind 29 to 31 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New snow accumulation of 8 to 12 inches possible.

Friday

Snow. The snow could be heavy at times. High near 26. Windy, with a south southwest wind 29 to 37 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 20. West northwest wind around 11 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Saturday

Mostly sunny, with a high near 22.

Saturday Night

Partly cloudy, with a low around 16.

Sunday

Mostly sunny, with a high near 26.

Sunday Night

Mostly clear, with a low around 21.

Monday

Sunny, with a high near 31.

Monday Night

Mostly clear, with a low around 26.