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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

70°F

21°C

Humidity 12%
Wind Speed WSW 11 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 17 Mar 04:47 PM MDT
Extended Forecast for

15 Miles ENE Sun Valley ID

  • Tonight

    Tonight: Mostly clear, with a low around 31. West southwest wind around 18 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 43. West southwest wind 15 to 17 mph, with gusts as high as 28 mph.

    High: 43 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32. West wind around 18 mph, with gusts as high as 24 mph.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 46. West southwest wind 13 to 15 mph, with gusts as high as 25 mph.

    High: 46 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. West southwest wind around 17 mph, with gusts as high as 26 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. Breezy.

    Low: 34 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44. Breezy.

    High: 44 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. Breezy.

    Low: 23 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 31. West southwest wind around 18 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 43. West southwest wind 15 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 32. West wind around 18 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 46. West southwest wind 13 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 33. West southwest wind around 17 mph, with gusts as high as 26 mph.
Friday
Sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 34. Breezy.
Saturday
Mostly sunny, with a high near 44. Breezy.
Saturday Night
Partly cloudy, with a low around 23. Breezy.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 23.
Monday
A 20 percent chance of snow. Mostly sunny, with a high near 38.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 27. Breezy.
Tuesday
A 40 percent chance of snow. Partly sunny, with a high near 36. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ENE Sun Valley ID
 43.81°N 114.08°W (Elev. 9734 ft)
Last Update:
1:30 pm MDT Mar 17, 2026
Forecast Valid:
5pm MDT Mar 17, 2026-6pm MDT Mar 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