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

Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

light snow

28°F

-2°C

Humidity 86%
Wind Speed SE 9 MPH
Barometer 29.56 in (1001.02 mb)
Dewpoint 25°F (-4°C)
Visibility 5.00 mi
Wind Chill19°F (-7°C)
Last update 17 Feb 04:48 PM MST
Extended Forecast for

Sun Valley ID

  • Tonight

    Tonight: Snow, mainly before 3am. The snow could be heavy at times. Low around 13. South southeast wind 5 to 7 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 13 °F

    Heavy Snow

  • Wednesday

    Wednesday: A chance of snow before 11am, then a chance of snow after noon. Partly sunny, with a high near 26. South wind 6 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 26 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around -1. Wind chill values as low as -9. North northwest wind 6 to 11 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

    Low: -1 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 23. Wind chill values as low as -11. North wind 5 to 7 mph becoming south in the morning. Little or no snow accumulation expected.

    High: 23 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 4. South wind around 6 mph becoming north after midnight. Little or no snow accumulation expected.

    Low: 4 °F

    Chance Snow

  • Friday

    Friday: A 20 percent chance of snow. Mostly sunny, with a high near 26.

    High: 26 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow, mainly before 3am. The snow could be heavy at times. Low around 13. South southeast wind 5 to 7 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 5 inches possible.
Wednesday
A chance of snow before 11am, then a chance of snow after noon. Partly sunny, with a high near 26. South wind 6 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around -1. Wind chill values as low as -9. North northwest wind 6 to 11 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Thursday
A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 23. Wind chill values as low as -11. North wind 5 to 7 mph becoming south in the morning. Little or no snow accumulation expected.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 4. South wind around 6 mph becoming north after midnight. Little or no snow accumulation expected.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 26.
Friday Night
Partly cloudy, with a low around 2.
Saturday
Mostly sunny, with a high near 29.
Saturday Night
Mostly cloudy, with a low around 11.
Sunday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 37.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 17.
Monday
Snow likely. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.
Monday Night
Snow likely. Mostly cloudy, with a low around 20. Chance of precipitation is 70%.
Tuesday
Snow likely. Mostly cloudy, with a high near 35. Chance of precipitation is 70%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sun Valley ID
 43.69°N 114.33°W (Elev. 6385 ft)
Last Update:
4:31 pm MST Feb 17, 2026
Forecast Valid:
7pm MST Feb 17, 2026-6pm MST Feb 24, 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