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.

light snow,mist

34°F

1°C

Humidity	92%
Wind Speed	E 5 MPH
Barometer	29.7 in (1005.76 mb)
Dewpoint	32°F (0°C)
Visibility	3.00 mi
Wind Chill	29°F (-2°C)
Last update	26 Dec 03:56 AM PST

More Information:

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

Extended Forecast for

12 Miles WSW Mount Shasta CA

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

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 26, 04:00am until December 26, 04:00pm
NOW until 4:00pm Fri
Winter Storm Warning
Overnight
Low: 25 °F
Heavy Snow
Friday
High: 30 °F
Heavy Snow
Friday Night
Low: 18 °F
Snow Showers
then Chance
Snow Showers
Saturday
High: 30 °F
Slight Chance
Snow Showers
Saturday Night
Low: 18 °F
Partly Cloudy
Sunday
High: 35 °F
Sunny
Sunday Night
Low: 24 °F
Partly Cloudy
Monday
High: 39 °F
Sunny

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Low around 25. South southeast wind around 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 5 to 9 inches possible.

Friday

Snow. The snow could be heavy at times. High near 30. South wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.

Friday Night

Snow showers, mainly before 7pm. Low around 18. South wind around 8 mph becoming west northwest after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Saturday

A 20 percent chance of snow showers after 10am. Mostly sunny, with a high near 30. North northwest wind around 9 mph.

Saturday Night

Partly cloudy, with a low around 18. North wind around 8 mph.

Sunday

Sunny, with a high near 35.

Sunday Night

Partly cloudy, with a low around 24.

Monday

Sunny, with a high near 39.

Monday Night

Mostly clear, with a low around 28.