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

35°F

2°C

Humidity	95%
Wind Speed	ESE 4 MPH
Barometer	29.62 in (1003.05 mb)
Dewpoint	34°F (1°C)
Visibility	2.50 mi
Wind Chill	32°F (0°C)
Last update	25 Dec 01:56 PM PST

More Information:

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

Extended Forecast for

8 Miles NE Mt Shasta CA

Wind Advisory December 25, 02:11pm until December 25, 04:00pm

Winter Storm Warning December 25, 02:11pm until December 26, 10:00am

Click here for hazard details and duration

Wind Advisory

Winter Storm Warning

Wind Advisory December 25, 02:11pm until December 25, 04:00pm
Winter Storm Warning December 25, 02:11pm until December 26, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Christmas Day
High: 14 °F
Snow Showers
and Windy
Tonight
Low: 12 °F
Snow Showers
and Windy
Friday
High: 14 °F
Snow Showers
and Windy
Friday Night
Low: 10 °F
Snow then
Chance Snow
Saturday
High: 13 °F
Slight Chance
Snow
Saturday Night
Low: 6 °F
Partly Cloudy
Sunday
High: 18 °F
Mostly Sunny
Sunday Night
Low: 12 °F
Mostly Clear

Detailed Forecast

Christmas Day

Snow showers. Steady temperature around 14. Wind chill values as low as -18. Windy, with a south wind around 85 mph, with gusts as high as 115 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 23 to 29 inches possible.

Tonight

Snow showers. Low around 12. Wind chill values as low as -16. Windy, with a south wind 34 to 39 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 18 to 24 inches possible.

Friday

Snow showers, mainly before 3pm, then snow after 4pm. High near 14. Wind chill values as low as -14. Windy, with a south southwest wind 40 to 45 mph decreasing to 34 to 39 mph in the afternoon. Winds could gust as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

Friday Night

Snow, mainly before 10pm. Low around 10. Wind chill values as low as -6. West northwest wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Saturday

A 20 percent chance of snow. Mostly sunny, with a high near 13. West northwest wind around 15 mph, with gusts as high as 20 mph.

Saturday Night

Partly cloudy, with a low around 6.

Sunday

Mostly sunny, with a high near 18.

Sunday Night

Mostly clear, with a low around 12.

Monday

Sunny, with a high near 23.

Monday Night

Mostly clear, with a low around 18.