:. Great Falls Weather Conditions .:

Fair and 31 F (-1 C) in Great Falls, Montana. Winds are From the North at 13 MPH. The wind chill is 21 F (-6 C). The barometric pressure is 30.24" (1027.2 mb). The dewpoint is 20 F (-7 C). Sunrise will be at 8:03 AM and Sunset will be at 4:34 PM. Last Updated on Dec 11, 3:53 am MST.

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Historical Great Falls Weather Data

  Record
High
Temp
(°F)		 Normal
High
Temp
(°F)		 Normal
Low
Temp
(°F)		 Record
Low
Temp
(°F)		 Normal
Monthly
Precipitation
(in.)		 Normal
Monthly
Snowfall
(in.)
January 67 32.1 11.3 -37 0.68 9.4
February 70 37.7 15.1 -35 0.51 8.4
March 78 45.3 21.5 -29 1.01 10.8
April 89 55.6 29.7 -6 1.4 7
May 93 64.7 38.3 15 2.53 1.9
June 101 73.9 46 31 2.24 0.3
July 105 82 50.4 36 1.45 T
August 106 81.2 49.9 30 1.65 0.1
September 98 69.6 41.2 16 1.23 1.5
October 91 58 33 -11 0.93 3.4
November 76 42.1 22.5 -25 0.59 7.5
December 69 34.2 14.4 -43 0.67 8.1