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

Heavy Mountain Snow in the Northwest U.S.; Wintry Mix North-Central to Northeast U.S.

Two cold fronts will pass through the Northwest U.S. this week with the main impact being heavy mountain snow across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain to the Upper Midwest and Great Lakes overnight into Tuesday then the Northeast U.S. Tuesday night into Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Mostly Cloudy

32°F

0°C

Humidity 100%
Wind Speed SSE 3 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 05 Jan 11:35 PM MST
Extended Forecast for

11 Miles ENE Sun Valley ID

Winter Weather Advisory until January 6, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 6, 05:00pm

    NOW until 5:00pm Tue

    Winter Weather Advisory

  • Tonight

    Low: 14 °F⇑

    Heavy Snow

  • Tuesday

    Tuesday: A 50 percent chance of snow. Cloudy, with a high near 16. Wind chill values as low as -4. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 32 mph. New snow accumulation of 2 to 4 inches possible.

    High: 16 °F

    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 11pm. Cloudy, with a low around 13. Wind chill values as low as -8. Breezy, with a southwest wind 26 to 29 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    Low: 13 °F

    Snow Likely
    and Breezy

  • Wednesday

    Wednesday: Snow, mainly before 11am. The snow could be heavy at times. High near 15. Wind chill values as low as -10. Breezy, with a southwest wind 24 to 29 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 15 °F

    Breezy. Heavy
    Snow then
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around -1. West wind around 18 mph, with gusts as high as 24 mph. New snow accumulation of 2 to 4 inches possible.

    Low: -1 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow before 11am. Mostly sunny and cold, with a high near 4. Blustery. New snow accumulation of less than a half inch possible.

    High: 4 °F

    Chance Snow
    and Blustery
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around -1. Blustery.

    Low: -1 °F

    Slight Chance
    Snow and
    Blustery

  • Friday

    Friday: Mostly sunny, with a high near 12. Blustery.

    High: 12 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

Detailed Forecast

Tonight
Snow likely, mainly before 3am. The snow could be heavy at times. Cloudy, with a temperature rising to around 17 by 5am. Wind chill values as low as -4. West southwest wind around 21 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 6 to 10 inches possible.
Tuesday
A 50 percent chance of snow. Cloudy, with a high near 16. Wind chill values as low as -4. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 32 mph. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Snow likely, mainly after 11pm. Cloudy, with a low around 13. Wind chill values as low as -8. Breezy, with a southwest wind 26 to 29 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow, mainly before 11am. The snow could be heavy at times. High near 15. Wind chill values as low as -10. Breezy, with a southwest wind 24 to 29 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around -1. West wind around 18 mph, with gusts as high as 24 mph. New snow accumulation of 2 to 4 inches possible.
Thursday
A 30 percent chance of snow before 11am. Mostly sunny and cold, with a high near 4. Blustery. New snow accumulation of less than a half inch possible.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -1. Blustery.
Friday
Mostly sunny, with a high near 12. Blustery.
Friday Night
Partly cloudy, with a low around 5.
Saturday
Mostly sunny, with a high near 19.
Saturday Night
Partly cloudy, with a low around 10.
Sunday
Sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 11.
Monday
Mostly sunny, with a high near 20.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ENE Sun Valley ID
 43.76°N 114.13°W (Elev. 11424 ft)
Last Update:
10:31 pm MST Jan 5, 2026
Forecast Valid:
11pm MST Jan 5, 2026-6pm MST Jan 12, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation