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

AJ7E Sun Valley (AS399)

Lat: 39.59983°NLon: 119.779°WElev: 4771.33ft.

NA

83°F

28°C

Humidity 1%
Wind Speed WNW 4 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint -25°F (-32°C)
Visibility NA
Heat Index81°F (27°C)
Last update 02 Oct 06:00 PM PDT
Extended Forecast for

Sun Valley NV

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. West wind 5 to 10 mph becoming light after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. East wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 86. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. North wind around 5 mph becoming west after midnight.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 51. West wind 5 to 10 mph becoming light after midnight.
Saturday
Sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 53. East wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 86. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 55. North wind around 5 mph becoming west after midnight.
Monday
Sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Clear, with a low around 56.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sun Valley NV
 39.6°N 119.77°W (Elev. 4797 ft)
Last Update:
4:30 pm PDT Oct 2, 2026
Forecast Valid:
6pm PDT Oct 2, 2026-6pm PDT Oct 9, 2026
 
Forecast Discussion
 
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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