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

5 Miles ENE Sun Valley ID

  • Tonight

    Tonight: Mostly clear, with a low around 26. Northwest wind around 14 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 45. North northwest wind 7 to 14 mph becoming south southwest in the morning.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. North northwest wind 7 to 9 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48. North northwest wind 6 to 9 mph becoming southwest in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. West northwest wind 9 to 11 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow after noon. Partly sunny, with a high near 50. Chance of precipitation is 20%.

    High: 50 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight. Snow level 9800 feet lowering to 9300 feet after midnight . Partly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 26. Northwest wind around 14 mph.
Sunday
Mostly sunny, with a high near 45. North northwest wind 7 to 14 mph becoming south southwest in the morning.
Sunday Night
Mostly cloudy, with a low around 30. North northwest wind 7 to 9 mph.
Monday
Mostly sunny, with a high near 48. North northwest wind 6 to 9 mph becoming southwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 34. West northwest wind 9 to 11 mph.
Tuesday
A slight chance of rain and snow after noon. Partly sunny, with a high near 50. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of rain before midnight. Snow level 9800 feet lowering to 9300 feet after midnight . Partly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 45.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 48.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Sun Valley ID
 43.72°N 114.25°W (Elev. 9124 ft)
Last Update:
5:31 pm MDT Mar 21, 2026
Forecast Valid:
11pm MDT Mar 21, 2026-6pm MDT Mar 28, 2026
 
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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