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 rain,mist

47°F

8°C

Humidity	92%
Wind Speed	NA NA MPH
Barometer	29.39 in (995.26 mb)
Dewpoint	45°F (7°C)
Visibility	3.00 mi
Last update	24 Dec 06:56 AM PST

More Information:

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

Extended Forecast for

2 Miles S Dunsmuir CA

Winter Storm Warning December 24, 07:52am until December 26, 10:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 24, 07:52am until December 26, 10:00am
NOW until 10:00am Fri
Winter Storm Warning
Today
High: 49 °F
Showers and
Breezy then
Rain/Snow
Tonight
Low: 41 °F
Heavy Rain
Christmas Day
High: 43 °F
Rain/Snow
Thursday Night
Low: 35 °F
Rain/Snow
Friday
High: 41 °F
Rain
Friday Night
Low: 30 °F
Rain/Snow
Likely then
Chance
Rain/Snow
Saturday
High: 43 °F
Slight Chance
Rain/Snow
then Sunny
Saturday Night
Low: 27 °F
Partly Cloudy

Detailed Forecast

Today

Rain, possibly mixed with snow before 2pm, then a chance of rain. Some thunder is also possible. Snow level 6700 feet lowering to 5000 feet. High near 49. Breezy, with a south southeast wind 23 to 28 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Tonight

Rain, mainly after 8pm. The rain could be heavy at times. Snow level 5000 feet rising to 5500 feet after midnight. Steady temperature around 41. South southeast wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Christmas Day

Rain before 10am, then rain, possibly mixed with snow between 10am and 1pm, then rain after 1pm. Snow level 4900 feet lowering to 3900 feet in the afternoon . High near 43. South southeast wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday Night

Rain before 7pm, then rain, possibly mixed with snow between 7pm and 1am, then rain after 1am. Snow level 3400 feet. Low around 35. South wind around 7 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Friday

Rain. Snow level 3600 feet. High near 41. South wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

Friday Night

Rain likely before 10pm, then a chance of rain and snow between 10pm and 1am, then a chance of rain after 1am. Snow level 3800 feet. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. Little or no snow accumulation expected.

Saturday

A slight chance of rain, mixing with snow after 7am, then gradually ending. Snow level 3500 feet. Mostly sunny, with a high near 43. Chance of precipitation is 20%.

Saturday Night

Partly cloudy, with a low around 27.

Sunday

Mostly sunny, with a high near 48.

Sunday Night

Mostly clear, with a low around 32.

Monday

Sunny, with a high near 52.

Monday Night

Mostly clear, with a low around 34.

Tuesday

Sunny, with a high near 55.