Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Winter Storm Warning in effect from December 24, 05:00 AM MST until December 25, 05:00 PM MST

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

Lat: 43.5°NLon: 114.3°WElev: 5318.0ft.

Clear

36°F

2°C

Humidity	86%
Wind Speed	NW 8 MPH
Barometer	29.93 in (1013.55 mb)
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Wind Chill	30°F (-1°C)
Last update	24 Dec 02:35 AM MST

More Information:

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

Extended Forecast for

16 Miles ENE Sun Valley ID

Winter Storm Warning December 24, 05:00am until December 25, 05:00pm

Click here for hazard details and duration

Winter Storm Warning

Overnight
Low: 22 °F
Partly Cloudy
and Breezy
Wednesday
High: 26 °F
Heavy Snow
and Breezy
Wednesday Night
Low: 25 °F
Heavy Snow
and Breezy
Christmas Day
High: 23 °F
Heavy Snow
Thursday Night
Low: 15 °F
Heavy Snow
and Breezy
Friday
High: 18 °F
Breezy. Heavy
Snow then
Snow Likely
Friday Night
Low: 5 °F
Chance Snow
and Breezy
Saturday
High: 10 °F
Partly Sunny
and Breezy
then Sunny
Saturday Night
Low: 0 °F
Mostly Clear

Detailed Forecast

Overnight

Partly cloudy, with a low around 22. Breezy, with a south wind 22 to 25 mph, with gusts as high as 30 mph.

Wednesday

Snow, mainly after 11am. The snow could be heavy at times. High near 26. Breezy, with a south wind 20 to 28 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 17 to 23 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Steady temperature around 25. Breezy, with a south southwest wind around 22 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 14 to 20 inches possible.

Christmas Day

Snow. The snow could be heavy at times. High near 23. South southwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Thursday Night

Snow. The snow could be heavy at times. Low around 15. Breezy, with a south southwest wind 16 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Friday

Snow. The snow could be heavy at times. High near 18. Breezy. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Friday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 5. Breezy. New snow accumulation of less than a half inch possible.

Saturday

Mostly sunny and cold, with a high near 10. Breezy.

Saturday Night

Mostly clear, with a low around 0.

Sunday

Mostly sunny, with a high near 13.

Sunday Night

Mostly clear, with a low around 6.