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

46°F

8°C

Humidity	92%
Wind Speed	NA NA MPH
Barometer	29.37 in (994.58 mb)
Dewpoint	44°F (7°C)
Visibility	2.50 mi
Last update	24 Dec 05:56 AM PST

More Information:

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

Extended Forecast for

10 Miles NE Weed CA

Wind Advisory December 24, 06:01am until December 24, 01:00pm

Winter Storm Warning December 24, 06:01am until December 26, 10:00am

Click here for hazard details and duration

Wind Advisory

Winter Storm Warning

Wind Advisory December 24, 06:01am until December 24, 01:00pm
Winter Storm Warning December 24, 06:01am until December 26, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Today
High: 47 °F
Rain/Snow and
Windy then
Rain Likely
Tonight
Low: 38 °F
Rain
Christmas Day
High: 37 °F
Rain/Snow and
Breezy
Thursday Night
Low: 32 °F
Rain/Snow
Friday
High: 39 °F
Snow then
Rain/Snow
Friday Night
Low: 27 °F
Chance
Rain/Snow
then Slight
Chance Snow
Saturday
High: 37 °F
Partly Sunny
Saturday Night
Low: 23 °F
Partly Cloudy

Detailed Forecast

Today

Rain and snow before 2pm, then a chance of rain between 2pm and 4pm. Snow level 7100 feet lowering to 5000 feet in the afternoon . High near 47. Windy, with a south wind 25 to 30 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 48 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Tonight

Rain, mainly after 7pm. Snow level 4800 feet rising to 5600 feet after midnight. Steady temperature around 38. South southeast wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

Christmas Day

Rain, possibly mixed with snow. Snow level 5000 feet lowering to 4400 feet in the afternoon . Steady temperature around 37. Breezy, with a south wind 23 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Thursday Night

Rain and snow, becoming all snow after 1am. Snow level 4200 feet. Low around 32. South wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow before 1pm, then rain, possibly mixed with snow. High near 39. South wind around 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday Night

A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Saturday

Partly sunny, with a high near 37.

Saturday Night

Partly cloudy, with a low around 23.

Sunday

Mostly sunny, with a high near 40.

Sunday Night

Mostly clear, with a low around 27.

Monday

Sunny, with a high near 45.

Monday Night

Mostly clear, with a low around 31.