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Sun Valley Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  | |  | |  | | | |  | | |
| Clearing | Rain and Snow | Rain and Snow | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Rain and Snow | Rain and Snow | Rain and Snow | Chance of Snow | Partly Cloudy | Snow and Rain |
| Lo: 37°FLo: 3°C | Hi: 57°FHi: 14°C | Lo: 29°FLo: -2°C | Hi: 53°FHi: 12°C | Lo: 32°FLo: 0°C | Hi: 56°FHi: 13°C | Lo: 32°FLo: 0°C | Hi: 47°FHi: 8°C | Lo: 27°FLo: -3°C | Hi: 46°FHi: 8°C | Lo: 25°FLo: -4°C | Hi: 48°FHi: 9°C Lo: 26°FLo: -3°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 231 PM PST Thu Nov 12 2026 
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Issued: 233 PM PST Thu Nov 12 2026
Key Messages
- Strong south to southwest winds develop over the Sierra tonight and spread into valleys across the region Friday.
- Heavy Sierra snow and western Nevada valley rain peak Friday afternoon and evening, then taper by Saturday morning.
- After a dry break this weekend, a colder storm brings more mountain snow and light valley rain Sunday night into Tuesday.
Discussion
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Storm 1 - Friday through Saturday morning- Friday`s cold front will bring a several hours of heavy, wet snow to the Sierra. T...