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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

55°F

13°C

Humidity 40%
Wind Speed WNW 8 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 03 Oct 09:55 PM MDT
Extended Forecast for

Sun Valley ID

  • Tonight

    Tonight: Clear, with a low around 42. North wind around 5 mph.

    Low: 42 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. Light and variable wind becoming north around 6 mph in the evening.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 79. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.

    High: 79 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. West southwest wind 6 to 8 mph becoming north northwest after midnight.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 42. North wind around 5 mph.
Sunday
Sunny, with a high near 79. Calm wind becoming south 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 48. Light and variable wind becoming north around 6 mph in the evening.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 79. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 42. West southwest wind 6 to 8 mph becoming north northwest after midnight.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Clear, with a low around 41.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 40.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 63.
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:
5:30 pm MDT Oct 3, 2026
Forecast Valid:
10pm MDT Oct 3, 2026-6pm MDT Oct 10, 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