National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

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 NNW 6 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 24 Dec 01:35 AM MST
Extended Forecast for

14 Miles NW Ketchum ID

Winter Storm Warning December 24, 05:00am until December 25, 05:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Overnight

    Overnight: Mostly cloudy, with a low around 23. Breezy, with a south southeast wind 22 to 24 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Snow, mainly after 11am. The snow could be heavy at times. High near 27. Breezy, with a south southeast wind 17 to 26 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

    High: 27 °F

    Heavy Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times. Steady temperature around 26. South wind 17 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

    Low: 26 °F

    Heavy Snow

  • Christmas Day

    Christmas Day: Snow. High near 24. South southwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 24 °F

    Snow

  • Thursday Night

    Thursday Night: Snow. Low around 16. Breezy, with a south southwest wind 17 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 16 °F

    Snow and
    Breezy

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 20. Breezy. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 20 °F

    Heavy Snow
    and Breezy

  • Friday Night

    Friday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 6. Breezy. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 6 °F

    Snow Likely
    and Breezy

  • Saturday

    Saturday: A 20 percent chance of snow before 11am. Mostly sunny, with a high near 12. Breezy.

    High: 12 °F

    Slight Chance
    Snow and
    Breezy then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 23. Breezy, with a south southeast wind 22 to 24 mph, with gusts as high as 30 mph.
Wednesday
Snow, mainly after 11am. The snow could be heavy at times. High near 27. Breezy, with a south southeast wind 17 to 26 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Steady temperature around 26. South wind 17 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Christmas Day
Snow. High near 24. South southwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow. Low around 16. Breezy, with a south southwest wind 17 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Friday
Snow. The snow could be heavy at times. High near 20. Breezy. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Friday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 6. Breezy. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 12. Breezy.
Saturday Night
Partly cloudy, with a low around 3.
Sunday
Mostly sunny, with a high near 18.
Sunday Night
Mostly clear, with a low around 10.
Monday
Mostly sunny, with a high near 25.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NW Ketchum ID
 43.84°N 114.54°W (Elev. 10400 ft)
Last Update:
10:31 pm MST Dec 23, 2025
Forecast Valid:
1am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation