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

Winter Storm Warning until December 26, 04:00 PM PST

Current conditions at

Mount Shasta (KMHS)

Lat: 41.31494°NLon: 122.31702°WElev: 3540.0ft.

Overcast

35°F

2°C

Humidity	88%
Wind Speed	NA NA MPH
Barometer	29.69 in (1005.42 mb)
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Last update	26 Dec 01:56 AM PST

More Information:

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

Extended Forecast for

9 Miles NE Mt Shasta CA

Winter Storm Warning December 26, 02:26am until December 26, 04:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 26, 02:26am until December 26, 04:00pm
NOW until 4:00pm Fri
Winter Storm Warning
Overnight
Low: 7 °F
Heavy Snow
and Windy
Friday
High: 10 °F
Heavy Snow
and Windy
Friday Night
Low: 3 °F
Windy. Heavy
Snow then
Chance Snow
Showers
Saturday
High: 9 °F
Slight Chance
Snow Showers
and Windy
Saturday Night
Low: 2 °F
Partly Cloudy
and Windy
Sunday
High: 14 °F
Sunny and
Windy
Sunday Night
Low: 7 °F
Partly Cloudy
and Breezy
Monday
High: 17 °F
Sunny and
Blustery then
Sunny

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Steady temperature around 7. Wind chill values as low as -24. Windy, with a south southwest wind around 55 mph, with gusts as high as 85 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 14 to 20 inches possible.

Friday

Snow. The snow could be heavy at times. High near 10. Wind chill values as low as -24. Windy, with a southwest wind 40 to 49 mph, with gusts as high as 75 mph. Chance of precipitation is 100%. New snow accumulation of 18 to 24 inches possible.

Friday Night

Snow showers, mainly before 7pm. The snow could be heavy at times. Low around 3. Wind chill values as low as -22. Windy, with a west southwest wind 30 to 36 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Saturday

A 20 percent chance of snow showers. Mostly sunny and cold, with a high near 9. Wind chill values as low as -24. Windy, with a north northwest wind 41 to 43 mph, with gusts as high as 65 mph.

Saturday Night

Partly cloudy, with a low around 2. Windy, with a north northwest wind around 31 mph, with gusts as high as 48 mph.

Sunday

Sunny, with a high near 14. Windy.

Sunday Night

Partly cloudy, with a low around 7. Breezy.

Monday

Sunny, with a high near 17. Blustery.

Monday Night

Mostly clear, with a low around 12. Blustery.

Tuesday

Sunny, with a high near 20.