Sun Valley Snow & Weather Forecast
Last updated 18 Oct 2026, 03:14
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.
| Sun18 Oct☁️Overcast | Mon19 Oct☁️Overcast | Tue20 Oct☀️Clear sky | Wed21 Oct☀️Clear sky | Thu22 Oct☁️Overcast | Fri23 Oct☀️Clear sky | |
|---|---|---|---|---|---|---|
| Snowfall | — | — | — | — | — | — |
| Rain | — | — | — | — | — | — |
| Precip % | 3% | 1% | 0% | 0% | 2% | 1% |
| Freeze lvl | 2,515m | 3,439m | 3,144m | 2,802m | 2,958m | 1,522m |
| Temp | 9°C / -1°C | 12°C / 3°C | 11°C / 1°C | 10°C / -1°C | 12°C / 0°C | 9°C / -1°C |
| Wind (gust speeds) | ↗ 25 kph (50 kph) | → 22 kph (43 kph) | ↓ 13 kph (35 kph) | ↙ 8 kph (26 kph) | ↘ 11 kph (27 kph) | ↓ 11 kph (30 kph) |