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.

Overcast

39°F

4°C

Humidity 80%
Wind Speed NW 9 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 23 Dec 09:47 PM MST
Extended Forecast for

Ketchum ID

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

  • Tonight

    Tonight: A 20 percent chance of rain before 1am. Snow level 7100 feet. Mostly cloudy, with a low around 29. East southeast wind around 7 mph.

    Low: 29 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, becoming all rain after 2pm. Patchy fog between 10am and noon. Snow level 6500 feet rising to 7800 feet in the afternoon. High near 43. Southeast wind 7 to 9 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow before 11pm, then rain between 11pm and 2am, then rain, possibly mixed with snow after 2am. Patchy fog before 11pm. Snow level 7900 feet lowering to 7300 feet after midnight . Low around 31. South wind around 7 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain/Snow and
    Patchy Fog

  • Christmas Day

    Christmas Day: Rain, possibly mixed with snow, becoming all rain after 5pm. Patchy fog before 8am, then patchy fog after 4pm. Snow level 6700 feet. High near 42. South wind around 7 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain and snow, becoming all snow after 2am. Areas of fog before 2am. Snow level 6700 feet lowering to 6000 feet after midnight . Low around 25. South wind 6 to 8 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Rain/Snow and
    Areas Fog

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 40. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 40 °F

    Heavy Snow
    then Snow
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 11. New snow accumulation of less than a half inch possible.

    Low: 11 °F

    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain before 1am. Snow level 7100 feet. Mostly cloudy, with a low around 29. East southeast wind around 7 mph.
Wednesday
Rain, possibly mixed with snow, becoming all rain after 2pm. Patchy fog between 10am and noon. Snow level 6500 feet rising to 7800 feet in the afternoon. High near 43. Southeast wind 7 to 9 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain, possibly mixed with snow before 11pm, then rain between 11pm and 2am, then rain, possibly mixed with snow after 2am. Patchy fog before 11pm. Snow level 7900 feet lowering to 7300 feet after midnight . Low around 31. South wind around 7 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Christmas Day
Rain, possibly mixed with snow, becoming all rain after 5pm. Patchy fog before 8am, then patchy fog after 4pm. Snow level 6700 feet. High near 42. South wind around 7 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Rain and snow, becoming all snow after 2am. Areas of fog before 2am. Snow level 6700 feet lowering to 6000 feet after midnight . Low around 25. South wind 6 to 8 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow. The snow could be heavy at times. High near 40. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 11. New snow accumulation of less than a half inch possible.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Mostly clear, with a low around 9.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 15.
Monday
Mostly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ketchum ID
 43.69°N 114.36°W (Elev. 6001 ft)
Last Update:
9:09 pm MST Dec 23, 2025
Forecast Valid:
10pm MST Dec 23, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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