National Weather Service Forecast for: Sun Valley NV
Issued by: National Weather Service Reno, NV
Updated: 11:30 pm PDT Aug 19, 2026
 
Overnight

Overnight: Mostly clear, with a low around 61. Northwest wind around 5 mph.
Mostly Clear
 Thursday

Thursday: Mostly sunny, with a high near 95. Calm wind becoming west around 5 mph in the afternoon.
Mostly Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 63. Northwest wind 5 to 10 mph.
Partly Cloudy
 Friday

Friday: Partly sunny, with a high near 93. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Partly Sunny
 Friday
Night
Friday Night: Mostly cloudy, with a low around 63. West wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Cloudy
 Saturday

Saturday: Partly sunny, then gradually becoming sunny, with a high near 91. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Becoming
Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 58.
Mostly Clear
 Sunday

Sunday: Sunny, with a high near 90.
Sunny
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 60.
Partly Cloudy
Lo 61 °F Hi 95 °F Lo 63 °F Hi 93 °F Lo 63 °F Hi 91 °F Lo 58 °F Hi 90 °F Lo 60 °F

 

Overnight
 
 Mostly clear, with a low around 61. Northwest wind around 5 mph.
Thursday
 
 Mostly sunny, with a high near 95. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
 
 Partly cloudy, with a low around 63. Northwest wind 5 to 10 mph.
Friday
 
 Partly sunny, with a high near 93. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
 
 Mostly cloudy, with a low around 63. West wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
 
 Partly sunny, then gradually becoming sunny, with a high near 91. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
 
 Mostly clear, with a low around 58.
Sunday
 
 Sunny, with a high near 90.
Sunday Night
 
 Partly cloudy, with a low around 60.
Monday
 
 Mostly sunny, with a high near 89.
Monday Night
 
 Partly cloudy, with a low around 59.
Tuesday
 
 Sunny, with a high near 90.
Tuesday Night
 
 Partly cloudy, with a low around 59.
Wednesday
 
 Sunny, with a high near 89.

 

Forecast from NOAA-NWS for Sun Valley NV.