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

73°F

23°C

Humidity 20%
Wind Speed SSE 8 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 20 Mar 02:47 PM MDT
Extended Forecast for

5 Miles ENE Sun Valley ID

  • Tonight

    Tonight: Mostly clear, with a low around 38. South southwest wind around 10 mph becoming east after midnight.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 52. South wind 10 to 16 mph becoming west in the morning. Winds could gust as high as 23 mph.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25. West wind 13 to 18 mph, with gusts as high as 25 mph.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 46. North northwest wind 7 to 11 mph becoming southwest in the afternoon.

    High: 46 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. West southwest wind 8 to 13 mph becoming northwest after midnight.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 38. South southwest wind around 10 mph becoming east after midnight.
Saturday
Mostly sunny, with a high near 52. South wind 10 to 16 mph becoming west in the morning. Winds could gust as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 25. West wind 13 to 18 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 46. North northwest wind 7 to 11 mph becoming southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 28. West southwest wind 8 to 13 mph becoming northwest after midnight.
Monday
Partly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 23.
Friday
Sunny, with a high near 47.
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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:
12:21 pm MDT Mar 20, 2026
Forecast Valid:
3pm MDT Mar 20, 2026-6pm MDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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