Sun Valley Snow & Weather Forecast
Last updated 27 Sept 2026, 21:14
Snow Alerts in Sun Valley
Never miss a powder day in Sun Valley. Turn on Snow Alerts and we'll let you know as soon as fresh snow is forecast, so you can get on the slopes before the crowds.
| Sun27 Sept☁️Overcast | Mon28 Sept☁️Overcast | Tue29 Sept☁️Overcast | Wed30 Sept☁️Overcast | Thu1 Oct🌦️Light drizzle | Fri2 Oct🌦️Moderate drizzle | |
|---|---|---|---|---|---|---|
| Snowfall | — | — | — | — | — | — |
| Rain | — | — | — | — | 1mm | 3mm |
| Precip % | 9% | 19% | 2% | 1% | 23% | 27% |
| Freeze lvl | 4,024m | 3,614m | 3,851m | 3,784m | 4,169m | 3,071m |
| Temp | 18°C / 11°C | 17°C / 9°C | 20°C / 6°C | 16°C / 9°C | 23°C / 12°C | 17°C / 6°C |
| Wind (gust speeds) | ↙ 19 kph (45 kph) | ↙ 16 kph (41 kph) | ↘ 7 kph (28 kph) | ↗ 10 kph (18 kph) | ↗ 23 kph (55 kph) | → 16 kph (45 kph) |