Colstrip, MT Monthly Weather

Rosebud County3:24 AM MDT45.88°N, 106.62°WElevation 3,222 ft
← September

October 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
165°/50°Avg 69°/38°
278°/35°Avg 68°/38°
369°/48°Avg 68°/38°
481°/33°Avg 67°/37°
586°/39°Avg 67°/37°
679°/39°Avg 66°/37°
778°/37°Avg 66°/36°
879°/31°Avg 65°/36°
989°/43°Avg 65°/35°
1068°/38°<0.01 inAvg 64°/35°
1152°/43°0.22 inAvg 64°/34°
1244°/35°0.15 inAvg 63°/34°
1356°/29°Avg 62°/34°
1461°/27°Avg 62°/33°
1551°/33°Avg 61°/33°
1668°/20°Avg 61°/32°
1779°/35°Avg 60°/32°
1866°/28°Avg 60°/32°
1976°/27°Avg 59°/31°
20Avg 59°/31°
21 Sunny 73°/45°Avg 58°/30°
22 Sunny 75°/50°Avg 58°/30°
23 Partly Sunny then Chance Rain Showers 69°/35°Avg 57°/29°
24 Mostly Sunny 49°/31°Avg 57°/29°
25 Mostly Sunny 51°/30°Avg 56°/29°
26 Mostly Sunny 50°/31°Avg 56°/28°
27 Mostly Sunny then Slight Chance Rain Showers 55°/–Avg 55°/28°
28 Sunny 58°/31°Avg 55°/27°
29 Partly cloudy 54°/37°Avg 54°/27°
30Avg 54°/27°
31Avg 54°/26°
Average high70° (normal 64°)
Average low35° (normal 35°)
Warmest / coldest89° / 20°
Precipitation0.37 in (normal 0.99 in to date)

Observed: Brandenberg, 31 km away, records since 1956. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.