Summit forecast, next 72 hours
- New snow0 in
- Strongest gusts25 mphMonday
- Coldest41°F
| Forecast | Snow | Gusts | Temp °F |
|---|---|---|---|
| TonightMostly Clear | 0 in | 20 mph | Low 41° |
| SaturdayMostly Sunny | 0 in | 15 mph | High 64° |
| Saturday NightPartly Cloudy | 0 in | 15 mph | Low 40° |
| SundaySunny | 0 in | 15 mph | High 72° |
| Sunday NightMostly Clear | 0 in | 10 mph | Low 45° |
| MondayMostly Sunny | 0 in | 25 mph | High 73° |
Snow is the forecast new accumulation at the summit grid point. Dots use Road Travel’s driving-risk scale.
Typical weather by month
Monthly normals from the long-term stations nearest the summit. None sits exactly on the pass, so each column says how far away and how high it is.
| Month | Basin Creek 7,180 ft · 10 mi southwest of the summit | Butte Airport 5,506 ft · 5 mi northwest of the summit | Divide 5,350 ft · 20 mi southwest of the summit | |
|---|---|---|---|---|
| Precip (in) | High / low °F | High / low °F | Snow (in) | |
| Jan | 1.1 | 32° / 8° | 33° / 11° | 2.4 |
| Feb | 1.1 | 35° / 10° | 36° / 12° | 2.0 |
| Mar | 1.9 | 44° / 19° | 45° / 20° | 2.6 |
| Apr | 3.2 | 51° / 26° | 52° / 26° | 0.8 |
| May | 4.0 | 61° / 34° | 62° / 35° | 0.1 |
| Jun | 3.8 | 70° / 41° | 70° / 41° | 0 |
| Jul | 1.5 | 81° / 46° | 82° / 46° | 0 |
| Aug | 1.4 | 80° / 44° | 80° / 44° | 0 |
| Sep | 1.5 | 69° / 37° | 70° / 37° | 0.1 |
| Oct | 1.9 | 54° / 27° | 57° / 28° | 0.9 |
| Nov | 1.4 | 40° / 16° | 42° / 17° | 1.7 |
| Dec | 1.4 | 31° / 7° | 31° / 9° | 4.6 |
NOAA NCEI U.S. Climate Normals, 1991–2020: Basin Creek (USS0012D09S, 7,180 ft); BUTTE BERT MOONEY AP (USW00024135, 5,506 ft); DIVIDE (USC00242421, 5,350 ft). Snow days are days with at least 1 inch of new snow. “—” means the station does not publish that normal.
Cameras, road reports and winter rules
Conditions on the pass change by the hour, so these go straight to the official sources.
- Montana · MDT511MT road conditions
Check the official National Weather Service forecast for the summit and the road report before you leave.
Crossing Homestake Pass? See the summit at the hour you’ll be there
Road Travel times the forecast to your drive, so you see conditions at the summit when you will actually reach it, and get alerts about weather ahead on the way.
Questions about Homestake Pass
How high is Homestake Pass?
The summit is 6,428 ft above sea level, on I-90.
How far is Homestake Pass from Butte and Whitehall?
By road, the summit is 10 miles from Butte, MT and 17 miles from Whitehall, MT.
What is the wettest month at Homestake Pass?
May. The Basin Creek snow-monitoring site (7,180 ft, 10 mi southwest of the summit) averages 4.0 inches of precipitation that month, counting the water in melted snow (1991–2020 normals).
How cold does it get near Homestake Pass?
The coldest month is December. Butte Airport (5,506 ft, 5 mi northwest of the summit) averages a low of 7°F then (1991–2020 normals); the summit is 922 ft higher.