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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Overcast

36°F

2°C

Humidity 74%
Wind Speed WNW 3 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 07 Dec 04:55 PM MST
Extended Forecast for

Ketchum ID

  • This Afternoon

    This Afternoon: A 50 percent chance of snow. Cloudy, with a high near 38. South southeast wind around 6 mph. Little or no snow accumulation expected.

    High: 38 °F

    Chance Snow

  • Tonight

    Tonight: A 50 percent chance of snow, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 22. Northwest wind 5 to 7 mph. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow
    then Slight
    Chance Snow

  • Monday

    Monday: A slight chance of snow after 11am, mixing with rain after 2pm. Mostly sunny, with a high near 43. Northwest wind 5 to 8 mph becoming south in the afternoon. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow before 11pm, then rain likely. Snow level 6300 feet rising to 7000 feet after midnight. Mostly cloudy, with a low around 29. West southwest wind 6 to 9 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 29 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Tuesday

    Tuesday: Rain likely before 5pm, then rain likely, possibly mixed with snow. Snow level 7500 feet. Mostly cloudy, with a high near 46. West wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 46 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Rain likely, possibly mixed with snow before 8pm, then rain. Snow level 7500 feet rising to 8500 feet after midnight. Low around 35. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    then Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 11am. Snow level 8500 feet. Mostly cloudy, with a high near 49. Chance of precipitation is 70%.

    High: 49 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 5am, then a chance of rain and snow. Snow level 8200 feet. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.

    Low: 36 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow before 8am, then a chance of rain. Snow level 8000 feet. Partly sunny, with a high near 51. Chance of precipitation is 30%.

    High: 51 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

Detailed Forecast

This Afternoon
A 50 percent chance of snow. Cloudy, with a high near 38. South southeast wind around 6 mph. Little or no snow accumulation expected.
Tonight
A 50 percent chance of snow, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 22. Northwest wind 5 to 7 mph. New snow accumulation of less than a half inch possible.
Monday
A slight chance of snow after 11am, mixing with rain after 2pm. Mostly sunny, with a high near 43. Northwest wind 5 to 8 mph becoming south in the afternoon. Chance of precipitation is 20%.
Monday Night
A chance of rain and snow before 11pm, then rain likely. Snow level 6300 feet rising to 7000 feet after midnight. Mostly cloudy, with a low around 29. West southwest wind 6 to 9 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
Rain likely before 5pm, then rain likely, possibly mixed with snow. Snow level 7500 feet. Mostly cloudy, with a high near 46. West wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday Night
Rain likely, possibly mixed with snow before 8pm, then rain. Snow level 7500 feet rising to 8500 feet after midnight. Low around 35. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
Rain likely, mainly before 11am. Snow level 8500 feet. Mostly cloudy, with a high near 49. Chance of precipitation is 70%.
Wednesday Night
A chance of rain before 5am, then a chance of rain and snow. Snow level 8200 feet. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.
Thursday
A chance of rain and snow before 8am, then a chance of rain. Snow level 8000 feet. Partly sunny, with a high near 51. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Mostly sunny, with a high near 49.
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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:
4:31 pm MST Dec 7, 2025
Forecast Valid:
5pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation