Sun Valley, Nevada 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Sun Valley NV
National Weather Service Forecast for:
Sun Valley NV
Issued by: National Weather Service Reno, NV |
Updated: 2:15 pm PDT Jul 5, 2025 |
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Tonight
 Clear
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Sunday
 Sunny
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Sunday Night
 Mostly Clear
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Monday
 Sunny
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Monday Night
 Mostly Clear
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Tuesday
 Sunny
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Tuesday Night
 Clear
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Wednesday
 Sunny
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Wednesday Night
 Clear
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Lo 56 °F |
Hi 91 °F |
Lo 58 °F |
Hi 93 °F |
Lo 59 °F |
Hi 92 °F |
Lo 57 °F |
Hi 89 °F |
Lo 57 °F |
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Tonight
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Clear, with a low around 56. Northwest wind around 5 mph. |
Sunday
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Sunny, with a high near 91. Calm wind becoming east around 5 mph in the morning. |
Sunday Night
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Mostly clear, with a low around 58. East wind around 5 mph becoming west after midnight. |
Monday
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Sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon. |
Monday Night
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Mostly clear, with a low around 59. West wind 5 to 10 mph. |
Tuesday
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Sunny, with a high near 92. West wind around 5 mph becoming south in the afternoon. |
Tuesday Night
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Clear, with a low around 57. |
Wednesday
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Sunny, with a high near 89. |
Wednesday Night
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Clear, with a low around 57. |
Thursday
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Sunny, with a high near 92. |
Thursday Night
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Clear, with a low around 61. |
Friday
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Sunny, with a high near 96. |
Friday Night
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Clear, with a low around 62. |
Saturday
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Sunny, with a high near 98. |
Forecast from NOAA-NWS
for Sun Valley NV.
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Weather Forecast Discussion
295
FXUS65 KREV 052031
AFDREV
Area Forecast Discussion
National Weather Service Reno NV
131 PM PDT Sat Jul 5 2025
.KEY MESSAGES...
* Typical summertime warmth and dry conditions prevail this weekend
with light breezes each afternoon through Monday.
* A few showers or isolated thunderstorms are possible Monday and
Wednesday afternoons with increased breezes around midweek.
* Hotter conditions are expected late this week with triple digit
heat possible in western Nevada valleys by next weekend.
&&
.DISCUSSION...
Hot and dry weather is in store this weekend with light breezes each
afternoon. Plan on regional highs in the upper 70s and 80s today for
populated areas of the Sierra and western Nevada. A warming trend
promotes a return to 80 and 90 degree heat for Sunday, so make sure
you practice your heat safety precautions. Mostly clear skies today
become partly cloudy on Sunday as cumulus build-ups develop in the
daytime. Some isolated showers may mature in the mountains of Alpine
and Mono counties, but chances are only 10-15%. Given this, keep
your eyes on the skies if recreating in the mountains Sunday!
Pacific low pressure, albeit rather weak, will be nearly stationary
as it meanders off the CA coast early this week. This low may
provide enough instability for showers and isolated storms Monday
afternoon in the Sierra and near the Oregon border (15% chance).
The weak low will finally dislodge and advance across the region
late Tuesday through Thursday. As it does so, winds may become
breezy around midweek and yield elevated to locally critical fire
weather conditions for portions of western Nevada. Shower and
thunderstorms chances also increase Wednesday afternoon -- mainly
for areas north of the I-80 corridor -- as the low passes overhead.
High pressure amplifies towards the end of the week, allowing for
widespread warming that brings highs closer to 90F and 100F for
Sierra and western Nevada communities, respectively.
-Salas
&&
.AVIATION...
Widespread VFR conditions prevails this weekend with light breezes
in the afternoons. Cumulus build-ups will be more pronounced along
the higher terrain Sunday afternoon with low chances of afternoon
showers in the Sierra between KTRK and KMMH.
-Salas
&&
.REV Watches/Warnings/Advisories...
NV...None.
CA...None.
&&
$$
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