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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High 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. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

46°F

8°C

Humidity 42%
Wind Speed NW 11 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 18 Mar 09:47 AM MDT
Extended Forecast for

Sun Valley ID

  • Today

    Today: Sunny, with a high near 64. North wind around 6 mph becoming south in the afternoon.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. Northwest wind around 6 mph becoming northeast in the evening.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. North northeast wind 5 to 7 mph becoming west southwest in the afternoon.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39. West southwest wind around 6 mph becoming northwest after midnight.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 64. North wind around 6 mph becoming south in the afternoon.
Tonight
Mostly clear, with a low around 38. Northwest wind around 6 mph becoming northeast in the evening.
Thursday
Sunny, with a high near 67. North northeast wind 5 to 7 mph becoming west southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 39. West southwest wind around 6 mph becoming northwest after midnight.
Friday
Sunny, with a high near 68. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
A 30 percent chance of rain. Snow level 7800 feet rising to 8600 feet in the afternoon. Partly sunny, with a high near 58.
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:
5:31 am MDT Mar 18, 2026
Forecast Valid:
10am MDT Mar 18, 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