Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Hailey, Friedman Memorial Airport (KSUN)

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

Clear

45°F

7°C

Humidity 52%
Wind Speed WNW 9 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 18 Oct 09:55 AM MDT
Extended Forecast for

Sun Valley ID

  • Today

    Today: Sunny, with a high near 65. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 32. South wind around 5 mph becoming calm  in the evening.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65. Light and variable wind becoming south 5 to 8 mph in the morning.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. Southeast wind 5 to 7 mph becoming north northeast after midnight.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain.  Partly sunny, with a high near 62. Light and variable wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 62 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain before noon, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 62. Chance of precipitation is 30%.

    High: 62 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: Showers and possibly a thunderstorm.  High near 59. Chance of precipitation is 90%.

    High: 59 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 65. Calm wind becoming south 5 to 8 mph in the afternoon.
Tonight
Mostly clear, with a low around 32. South wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 65. Light and variable wind becoming south 5 to 8 mph in the morning.
Monday Night
Partly cloudy, with a low around 33. Southeast wind 5 to 7 mph becoming north northeast after midnight.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 62. Light and variable wind becoming south southeast 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 62. Chance of precipitation is 30%.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
Showers and possibly a thunderstorm. High near 59. Chance of precipitation is 90%.
Thursday Night
Rain. Low around 34. Chance of precipitation is 80%.
Friday
A 50 percent chance of rain. Snow level 9200 feet lowering to 8500 feet in the afternoon . Partly sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Sun Valley ID
 43.67°N 114.33°W (Elev. 6014 ft)
5:31 am MDT Oct 18, 2026
10am MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
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