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Colstrip, MT Weather


Colstrip, MT climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 20's.

The warmest month of the year is July with an average maximum temperature of 85.40 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 10.30 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 29 degrees Fahrenheit, and moderate during winter with an average difference of 23 degrees Fahrenheit.

The annual average precipitation at Colstrip is 14.56 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 2.59 Inches.

Weather Data

Current Conditions

(Updated: 12:53 AM MST MON NOV 23 2009)

Overcast Overcast, 32°F Humidity: 73% Dewpoint: 24°F
Wind Speed: NW 5.8 MPH (5 KT) Heat Index: 32°F
Barometer: 29.87 in. Wind Chill: 26°F

Weather Forecast

(Generated: 8:56 PM MST SUN NOV 22 2009)
  Tonight: Mostly cloudy. Chance of snow showers late in the evening...Then slight chance of snow showers overnight. Lows in the mid 20s. Northwest winds 5 to 15 mph. Chance of precipitation 30 percent.
Lo: 25°F
Hi: 41°F Monday: Mostly cloudy. A 20 percent chance of snow showers in the morning. Highs in the lower 40s. Northwest winds 10 to 20 mph.
Lo: 20°F
Hi: 49°F Tuesday: Partly cloudy. Highs in the upper 40s. Southwest winds 5 to 10 mph in the morning increasing to west 10 to 20 mph in the afternoon.
Lo: 25°F
Hi: 45°F Wednesday: Decreasing clouds. Highs in the mid 40s.
Lo: 25°F
Hi: 55°F Thanksgiving day: Sunny. Highs in the mid 50s.
Lo: 21°F
Hi: 55°F Friday: Partly cloudy. Highs in the mid 50s.
Lo: 29°F
Hi: 49°F Saturday: Mostly cloudy with a 20 percent chance of rain showers. Highs in the upper 40s.
Lo: 19°F

Moon, Sunrise and Sunset

First Quarter Moon Moon Phase: First Quarter Moon Civil Twilight:
6:43 AM MST
Sunrise:
7:16 AM MST
Sunset:
4:28 PM MST
Civil Twilight:
5:01 PM MST

Normal Climate

Normal Temperatures

(COLSTRIP Weather station, 1.14 miles from Colstrip)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 33.4 39.4 47.6 57.7 67.6 77.7 85.4 85.0 72.9 60.4 44.1 36.1 58.9
Mean °F 21.9 27.7 35.9 45.5 55.3 64.9 71.3 70.5 59.2 47.9 33.6 24.9 46.6
Min °F 10.3 15.9 24.2 33.3 42.9 52.0 57.2 56.0 45.5 35.4 23.0 13.6 34.1

Normal Precipitation

(COLSTRIP Weather station, 1.14 miles from Colstrip)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 0.58 0.43 0.87 1.34 2.59 2.51 1.35 1.09 1.32 1.35 0.65 0.48 14.56