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

3 Miles N 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 slight chance of rain between 11pm and 1am. Snow level 7000 feet. Mostly cloudy, with a low around 25. East southeast wind around 7 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, becoming all rain after 4pm. Snow level 6500 feet rising to 7700 feet in the afternoon. High near 41. Southeast wind 8 to 10 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow before 3am, then snow between 3am and 5am, then rain, possibly mixed with snow after 5am. Patchy fog between 8pm and 4am. Snow level 7500 feet. Low around 28. South wind around 8 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow and
    Patchy Fog

  • Christmas Day

    Christmas Day: Rain and snow before 9am, then snow between 9am and 11am, then rain, possibly mixed with snow after 11am. Patchy fog between 7am and 10am. Snow level 6700 feet. High near 40. South wind 6 to 8 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain and snow, becoming all snow after 11pm. Patchy fog before 2am. Low around 22. South wind around 8 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Rain/Snow and
    Patchy Fog
    then Snow and
    Patchy Fog

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 37. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 37 °F

    Heavy Snow
    then Snow
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 8. New snow accumulation of less than a half inch possible.

    Low: 8 °F

    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain between 11pm and 1am. Snow level 7000 feet. Mostly cloudy, with a low around 25. East southeast wind around 7 mph. Chance of precipitation is 20%.
Wednesday
Rain, possibly mixed with snow, becoming all rain after 4pm. Snow level 6500 feet rising to 7700 feet in the afternoon. High near 41. Southeast wind 8 to 10 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain, possibly mixed with snow before 3am, then snow between 3am and 5am, then rain, possibly mixed with snow after 5am. Patchy fog between 8pm and 4am. Snow level 7500 feet. Low around 28. South wind around 8 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Christmas Day
Rain and snow before 9am, then snow between 9am and 11am, then rain, possibly mixed with snow after 11am. Patchy fog between 7am and 10am. Snow level 6700 feet. High near 40. South wind 6 to 8 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday Night
Rain and snow, becoming all snow after 11pm. Patchy fog before 2am. Low around 22. South wind around 8 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow. The snow could be heavy at times. High near 37. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 8. New snow accumulation of less than a half inch possible.
Saturday
Mostly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 7.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 13.
Monday
Mostly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Ketchum ID
 43.73°N 114.37°W (Elev. 6175 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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