Great Falls Airport (GTF) Weather 08/11/2025
Today
79
Slight Chance T-storms then Partly Sunny
Tonight
53
Partly Cloudy
Tuesday
91
Sunny
Tuesday Night
57
Mostly Clear
Wednesday
91
Sunny
Wednesday Night
54
Mostly Clear
Thursday
79
Mostly Sunny
Thursday Night
51
Partly Cloudy
Friday
83
Mostly Sunny
Friday Night
56
Partly Cloudy
Saturday
84
Mostly Sunny
Saturday Night
55
Partly Cloudy
Sunday
86
Mostly Sunny
Weekly Forecast
Today
A slight chance of showers and thunderstorms between 7am and noon. Partly sunny, with a high near 79. West wind 6 to 11 mph becoming north northeast in the afternoon. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 53. Northeast wind 5 to 11 mph becoming south southeast after midnight.
Tuesday
Sunny, with a high near 91. Light and variable wind becoming west 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 57. West wind 7 to 10 mph becoming north northeast in the evening. Winds could gust as high as 18 mph.
Wednesday
Sunny, with a high near 91. South southwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 54. West wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 25 mph.
Thursday
Mostly sunny, with a high near 79. North northwest wind 8 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 51. North northeast wind 6 to 15 mph becoming west after midnight. Winds could gust as high as 23 mph.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 86.