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.

rain,mist

46°F

8°C

Humidity	92%
Wind Speed	NA NA MPH
Barometer	29.37 in (994.58 mb)
Dewpoint	44°F (7°C)
Visibility	2.50 mi
Last update	24 Dec 05:56 AM PST

More Information:

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

Extended Forecast for

11 Miles NNW Carrville CA

Wind Advisory December 24, 06:01am until December 24, 01:00pm

Winter Storm Warning December 24, 06:01am until December 26, 10:00am

Click here for hazard details and duration

Wind Advisory

Winter Storm Warning

Wind Advisory December 24, 06:01am until December 24, 01:00pm
Winter Storm Warning December 24, 06:01am until December 26, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Today
High: 38 °F⇓
Rain/Snow and
Windy then
Heavy Snow
Tonight
Low: 31 °F
Heavy Snow
and Windy
Christmas Day
High: 32 °F⇓
Heavy Snow
and Windy
Thursday Night
Low: 26 °F
Heavy Snow
and Breezy
Friday
High: 31 °F
Heavy Snow
and Breezy
Friday Night
Low: 22 °F
Snow Likely
then Slight
Chance Snow
Saturday
High: 32 °F
Mostly Sunny
Saturday Night
Low: 19 °F
Mostly Clear

Detailed Forecast

Today

Rain, possibly mixed with snow showers, becoming all snow after 7am. The rain and snow could be heavy at times. Some thunder is also possible. Temperature falling to around 29 by 10am. Windy, with a south southeast wind 36 to 46 mph decreasing to 15 to 25 mph in the morning. Winds could gust as high as 75 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 5 to 9 inches possible.

Tonight

Snow, mainly after 8pm. The snow could be heavy at times. Steady temperature around 31. Windy, with a south southeast wind 25 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 17 to 23 inches possible.

Christmas Day

Snow. The snow could be heavy at times. Temperature falling to around 28 by 9am. Windy, with a south southeast wind 31 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.

Thursday Night

Snow. The snow could be heavy at times. Low around 26. Breezy, with a south wind 21 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.

Friday

Snow. The snow could be heavy at times. High near 31. Breezy, with a south wind 15 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Saturday

Mostly sunny, with a high near 32.

Saturday Night

Mostly clear, with a low around 19.

Sunday

Mostly sunny, with a high near 37.

Sunday Night

Mostly clear, with a low around 25.

Monday

Sunny, with a high near 41.

Monday Night

Mostly clear, with a low around 30.