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 25, 05:00 PM MST

Current conditions at

Stanley, Stanley Ranger Station (KSNT)

Lat: 44.20861°NLon: 114.93444°WElev: 6496.0ft.

34°F

1°C

Humidity	92%
Wind Speed	SSE 5 MPH
Barometer	29.79 in (1008.81 mb)
Dewpoint	32°F (0°C)
Visibility	NA
Wind Chill	29°F (-2°C)
Last update	25 Dec 06:51 AM MST

More Information:

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

Extended Forecast for

21 Miles NW Ketchum ID

Winter Storm Warning December 25, 07:02am until December 25, 05:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 25, 07:02am until December 25, 05:00pm
NOW until 5:00pm Thu
Winter Storm Warning
Christmas Day
High: 31 °F
Heavy Snow
Tonight
Low: 22 °F
Heavy Snow
Friday
High: 25 °F⇓
Heavy Snow
Friday Night
Low: 12 °F
Snow
Saturday
High: 14 °F
Snow then
Chance Snow
Saturday Night
Low: -2 °F
Partly Cloudy
Sunday
High: 19 °F
Mostly Sunny
Sunday Night
Low: 7 °F
Mostly Clear

Detailed Forecast

Christmas Day

Snow. The snow could be heavy at times. High near 31. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

Snow. The snow could be heavy at times. Some thunder is also possible. Low around 22. South wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

Friday

Snow. The snow could be heavy at times. Temperature rising to near 25 by 9am, then falling to around 19 during the remainder of the day. Southwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Friday Night

Snow. Low around 12. Wind chill values as low as -3. West southwest wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday

Snow, mainly before 11am. High near 14. West wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Saturday Night

Partly cloudy, with a low around -2.

Sunday

Mostly sunny, with a high near 19.

Sunday Night

Mostly clear, with a low around 7.

Monday

Sunny, with a high near 29.

Monday Night

Partly cloudy, with a low around 17.

Tuesday

Partly sunny, with a high near 34.