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.

Partly Cloudy

30°F

-1°C

Humidity 86%
Wind Speed W 4 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 07 Dec 09:55 PM MST
Extended Forecast for

17 Miles ENE Sun Valley ID

  • Tonight

    Tonight: A 30 percent chance of snow before 11pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Wind chill values as low as -4. West northwest wind around 17 mph, with gusts as high as 22 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 13 °F

    Chance Snow
    then Partly
    Cloudy

  • Monday

    Monday: A 20 percent chance of snow after 11am.  Increasing clouds, with a high near 22. Wind chill values as low as -3. West northwest wind 11 to 17 mph, with gusts as high as 22 mph.

    High: 22 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: Snow likely, mainly after 11pm.  Mostly cloudy, with a temperature rising to around 24 by 4am. Breezy, with a west southwest wind 16 to 25 mph, with gusts as high as 33 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Snow Likely
    and Breezy

  • Tuesday

    Tuesday: Snow likely.  Mostly cloudy, with a high near 24. Breezy, with a west wind 17 to 25 mph, with gusts as high as 36 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 24 °F

    Snow Likely
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow.  Low around 23. Breezy, with a west wind 15 to 20 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 38 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 23 °F

    Snow and
    Breezy

  • Wednesday

    Wednesday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 27. Breezy.  Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 27 °F

    Snow Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 26. Breezy.  New snow accumulation of less than one inch possible.

    Low: 26 °F

    Chance Snow
    and Breezy

  • Thursday

    Thursday: A 30 percent chance of snow, mainly before 11am.  Partly sunny, with a high near 27. Blustery.

    High: 27 °F

    Chance Snow
    and Blustery

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Wind chill values as low as -4. West northwest wind around 17 mph, with gusts as high as 22 mph. Total nighttime snow accumulation of less than a half inch possible.
Monday
A 20 percent chance of snow after 11am. Increasing clouds, with a high near 22. Wind chill values as low as -3. West northwest wind 11 to 17 mph, with gusts as high as 22 mph.
Monday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a temperature rising to around 24 by 4am. Breezy, with a west southwest wind 16 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday
Snow likely. Mostly cloudy, with a high near 24. Breezy, with a west wind 17 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Snow. Low around 23. Breezy, with a west wind 15 to 20 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 27. Breezy. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 26. Breezy. New snow accumulation of less than one inch possible.
Thursday
A 30 percent chance of snow, mainly before 11am. Partly sunny, with a high near 27. Blustery.
Thursday Night
Mostly cloudy, with a low around 21.
Friday
Partly sunny, with a high near 26.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles ENE Sun Valley ID
 43.79°N 114.02°W (Elev. 11014 ft)
4:31 pm MST Dec 7, 2025
10pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database