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.

Mostly Cloudy

35°F

2°C

Humidity	88%
Wind Speed	NA NA MPH
Barometer	29.68 in (1005.08 mb)
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Last update	26 Dec 12:56 AM PST

More Information:

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

Extended Forecast for

7 Miles ENE Mt Shasta CA

Winter Storm Warning December 26, 01:32am until December 26, 04:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 26, 01:32am until December 26, 04:00pm
NOW until 4:00pm Fri
Winter Storm Warning
Overnight
Low: 23 °F
Heavy Snow
and Windy
Friday
High: 24 °F
Heavy Snow
and Windy
Friday Night
Low: 19 °F
Heavy Snow
and Windy
then Chance
Snow and
Breezy
Saturday
High: 23 °F
Slight Chance
Snow and
Blustery
Saturday Night
Low: 16 °F
Partly Cloudy
Sunday
High: 27 °F
Mostly Sunny
Sunday Night
Low: 21 °F
Mostly Clear
Monday
High: 31 °F
Sunny

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Steady temperature around 23. Windy, with a south southwest wind around 37 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 16 to 22 inches possible.

Friday

Snow. The snow could be heavy at times. High near 24. Windy, with a south southwest wind 34 to 39 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.

Friday Night

Snow likely, mainly before 9pm. The snow could be heavy at times. Mostly cloudy, with a low around 19. Windy, with a west southwest wind 25 to 30 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

Saturday

A 20 percent chance of snow. Mostly sunny, with a high near 23. Blustery, with a north northwest wind around 22 mph, with gusts as high as 33 mph.

Saturday Night

Partly cloudy, with a low around 16. North wind 15 to 17 mph, with gusts as high as 26 mph.

Sunday

Mostly sunny, with a high near 27.

Sunday Night

Mostly clear, with a low around 21.

Monday

Sunny, with a high near 31.

Monday Night

Partly cloudy, with a low around 27.