Idaho mountain forecasts
A summit forecast for every prominent peak in Idaho, highest first. The highest is Borah Peak at 12,654 ft (3,857 m).
The summits on the map
Every summit in Idaho with a forecast page. Select one.
- Summit
Summits
| Summit | Elevation | Prominence | Nearest town |
|---|---|---|---|
| Borah Peak | 12,654 ft | 5,981 ft | Challis |
| Diamond Peak | 12,201 ft | 5,377 ft | Arco |
| Hyndman Peak | 12,008 ft | 4,810 ft | Sun Valley |
| Castle Peak | 11,814 ft | 4,016 ft | Sun Valley |
| Ryan Peak | 11,713 ft | 3,196 ft | Sun Valley |
| Smiley Mountain | 11,427 ft | 2,667 ft | Arco |
| Big Creek Peak | 11,348 ft | 2,516 ft | Challis |
| Thompson Peak | 10,751 ft | 2,431 ft | Sun Valley |
| Cache Peak | 10,338 ft | 4,459 ft | Oakley |
| Smoky Dome | 10,095 ft | 3,255 ft | Fairfield |
| Steel Mountain | 9,731 ft | 2,188 ft | Idaho City |
| Trinity Mountain | 9,452 ft | 2,372 ft | Idaho City |
| Black Pine Mountains High Point | 9,390 ft | 4,068 ft | Oakley |
| She Devil | 9,386 ft | 5,200 ft | Joseph |
| Yellowstone volcano | 9,203 ft | West Yellowstone | |
| Snowbank Mountain | 8,320 ft | 3,081 ft | Cascade |
| Big Southern Butte | 7,549 ft | 2,379 ft | Arco |
| Mica Peak (Idaho) | 5,240 ft | 2,661 ft | Post Falls |
Forecasts from the National Weather Service. Summit-height temperature, wind and freezing level from NOAA’s Global Forecast System on NOAA Open Data. Summits from Wikidata (CC0): prominence >= 600 m, or elevation >= 4267 m, or >= 12 Wikipedia editions; English Wikipedia article required; read 2026-09-25. Mountain weather changes fast; check the forecast again before you go.