Keystone, Montana

Keystone: Situated at an elevation of 3,376 feet in Mineral County, this settlement lies within the mountainous environment of western Montana near the St. Regis River.

About

Keystone is a city located in the county of Mineral in the U.S. state of Montana.

Quick Facts about Keystone

State Montana (United States)
County Mineral County
Latitude & Longitude 47.2683,-114.9357
Time Zone America/Denver
Local time 12:56:55 (6th November 2026)
Weather 32℉ Partly Cloudy 7-days weather

Geography

Keystone is located at 47°16'6"N 114°56'8"W (47.2682600, -114.9356900).

Keystone map

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Weather

32°F
Partly Cloudy
2 mph S Tonight

Partly cloudy, with a low around 32. South wind around 2 mph.

7-Day Forecast

Nearby Transit Stations (1)

Rail and bus stations connected to Keystone, MT. Select a station to open its map and address details.

Code Name Address Type
MLA Missoula, MT 1660 West Broadway Street BUS

Closest post offices linked to Keystone.

Post Office Name City ZIP
Superior Post Office Superior (MT) 59872