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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

57°F

14°C

Humidity 35%
Wind Speed NW 5 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 21 Mar 10:47 AM MDT
Extended Forecast for

16 Miles ENE Sun Valley ID

  • Tonight

    Tonight: Mostly clear, with a low around 21. West northwest wind 18 to 20 mph, with gusts as high as 30 mph.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 35. Northwest wind 10 to 18 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 35 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25. West wind 10 to 15 mph, with gusts as high as 24 mph.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38. West southwest wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. West wind 15 to 18 mph, with gusts as high as 30 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon. Partly sunny, with a high near 42. Breezy.

    High: 42 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 29. Breezy.

    Low: 29 °F

    Slight Chance
    Snow and
    Breezy then
    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Mostly sunny, with a high near 40. Windy.

    High: 40 °F

    Slight Chance
    Snow and
    Breezy then
    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. Windy.

    Low: 24 °F

    Partly Cloudy
    and Windy

Detailed Forecast

Tonight
Mostly clear, with a low around 21. West northwest wind 18 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 35. Northwest wind 10 to 18 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 25. West wind 10 to 15 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 38. West southwest wind 10 to 16 mph, with gusts as high as 28 mph.
Monday Night
Mostly cloudy, with a low around 28. West wind 15 to 18 mph, with gusts as high as 30 mph.
Tuesday
A 20 percent chance of snow after noon. Partly sunny, with a high near 42. Breezy.
Tuesday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 29. Breezy.
Wednesday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 40. Windy.
Wednesday Night
Partly cloudy, with a low around 24. Windy.
Thursday
Mostly sunny, with a high near 35. Breezy.
Thursday Night
Partly cloudy, with a low around 21. Breezy.
Friday
Mostly sunny, with a high near 38.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles ENE Sun Valley ID
 43.77°N 114.02°W (Elev. 9820 ft)
Last Update:
5:31 pm MDT Mar 21, 2026
Forecast Valid:
11pm MDT Mar 21, 2026-6pm MDT Mar 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation