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

37°F

3°C

Humidity	88%
Wind Speed	NA 5 MPH
Barometer	29.6 in (1002.37 mb)
Dewpoint	34°F (1°C)
Visibility	4.00 mi
Wind Chill	33°F (1°C)
Last update	25 Dec 06:56 PM PST

More Information:

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

Extended Forecast for

Mt Shasta CA

Winter Storm Warning December 25, 07:44pm until December 26, 04:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 25, 07:44pm until December 26, 04:00pm
NOW until 4:00pm Fri
Winter Storm Warning
Tonight
Low: 29 °F
Rain/Snow
then
Rain/Snow
Likely
Friday
High: 38 °F
Rain/Snow
Friday Night
Low: 25 °F
Rain/Snow
Likely then
Chance Snow
Saturday
High: 38 °F
Slight Chance
Snow then
Sunny
Saturday Night
Low: 20 °F
Partly Cloudy
Sunday
High: 42 °F
Mostly Sunny
Sunday Night
Low: 23 °F
Mostly Clear
Monday
High: 47 °F
Sunny

Detailed Forecast

Tonight

Rain and snow showers. Low around 29. Southeast wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.

Friday

Rain and snow showers, mainly before 3pm. Snow level 3700 feet. High near 38. South southeast wind 6 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Rain and snow likely, becoming all snow after 9pm. Mostly cloudy, with a low around 25. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Saturday

A 20 percent chance of snow before 10am. Mostly sunny, with a high near 38. Light north northwest wind.

Saturday Night

Partly cloudy, with a low around 20. Calm wind.

Sunday

Mostly sunny, with a high near 42.

Sunday Night

Mostly clear, with a low around 23.

Monday

Sunny, with a high near 47.

Monday Night

Mostly clear, with a low around 26.