Decker, Montana

Decker: Situated in Big Horn County along the Tongue River, this southeastern Montana community sits at an elevation of 3,524 feet near the Wyoming border.

About

Decker is a city located in the county of Big Horn in the U.S. state of Montana.

Quick Facts about Decker

State Montana (United States)
County Big Horn County
Latitude & Longitude 45.0119,-106.8634
Time Zone America/Denver
Local time 15:01:59 (6th November 2026)
Postal code 59025
Weather 28℉ Mostly Cloudy 7-days weather

Geography

Decker is located at 45°0'43"N 106°51'48"W (45.0119200, -106.8634000).

Decker map

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Weather

28°F
Mostly Cloudy
6 mph W Tonight

Mostly cloudy. Low around 28, with temperatures rising to around 31 overnight. West wind around 6 mph.

7-Day Forecast
Decker zip code is 59025. County name: Big Horn, County fips: 30003

Nearby Schools and Colleges

Schools and campuses linked to Decker, MT. Select a name to open its map and contact details.

Code Name City ZIP
240666 Northern Wyoming Community College District Sheridan (WY) 82801

Closest post offices linked to Decker.

Post Office Name City ZIP
Decker Post Office Decker (MT) 59025

Other cities in Big Horn County

Cities, towns, neighborhoods & other populated places in Big Horn County , MT.

City Name Population Title
Hardin 3,705 City in Big Horn County, Montana, United States of America
Crow Agency 1,616 Census designated place