Sun Valley, NV Weather Forecast

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Sun Valley, NV Weather Forecast

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Sun Valley NV weather  - Mostly Cloudy - 62°F
Mostly Cloudy
62°F
Updated 10:24 am
Feels Like 59°F
Humidity 28%
Wind N 0 mph
Barometer  30.17 in
Dew Point 29°F
Sun Valley NV weather  - Mostly Cloudy - 17°C
Mostly Cloudy
17°C
Updated 10:24 am
Feels Like 15°C
Humidity 28%
Wind N 0 km/h
Barometer  102.1 kPa
Dew Point -2°C

Sun Valley Weather Forecast

TODAY TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY SATURDAY
Sun Valley, NV Weather - Today Mostly Cloudy Sun Valley, NV Weather - Tonight Mostly Cloudy Sun Valley, NV Weather - Monday Partly Cloudy Sun Valley, NV Weather - Monday Night Partly Cloudy Sun Valley, NV Weather - Tuesday Partly Cloudy Sun Valley, NV Weather - Tuesday Night Clear Sun Valley, NV Weather - Wednesday Sunny Sun Valley, NV Weather - Wednesday Night Partly Cloudy Sun Valley, NV Weather - Thursday Clear Sun Valley, NV Weather - Thursday Night Clear Sun Valley, NV Weather - Friday Partly Cloudy Sun Valley, NV Weather - Saturday Partly Cloudy
Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Clear Sunny Partly Cloudy Clear Clear Partly Cloudy Partly Cloudy
Hi: 80°FHi: 27°C
Lo: 55°FLo: 13°C Hi: 82°FHi: 28°C
Lo: 55°FLo: 13°C Hi: 83°FHi: 28°C
Lo: 54°FLo: 12°C Hi: 86°FHi: 30°C
Lo: 55°FLo: 13°C Hi: 86°FHi: 30°C
Lo: 55°FLo: 13°C
Hi: 86°FHi: 30°C
Lo: 55°FLo: 13°C
Hi: 84°FHi: 29°C
Lo: 52°FLo: 11°C
Hi: 84°FHi: 29°C
Lo: 52°FLo: 11°C
POP = Probability of Precipitation.
Weather Outlook Updated: 231 AM PDT Sun Sep 20 2026 Sun Valley, NV Weather - WeatherWorld.com

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Sun Valley Forecast Discussion

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Issued: 1238 AM PDT Sun Sep 20 2026

Key Messages

  • Dry and mild conditions persist through today with periods of breezy east to northeast winds along the Sierra crest.
  • Precipitation potential returns Monday and Tuesday for the Sierra, especially from Lake Tahoe southward.
  • Plan on increased winds for Thursday onward and a return of precipitation chances for next weekend.

Discussion

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Dry and mild weather remains today with transient ridging over the Sierra and western Nevada. Valleys will be in the low to mid 80s by this afternoon with...