Great Falls Airport (GTF) Weather 08/31/2025
Today
91
Sunny
Tonight
54
Partly Cloudy
Thursday
80
Sunny
Thursday Night
53
Mostly Clear
Friday
75
Sunny
Friday Night
49
Mostly Clear
Saturday
80
Sunny
Saturday Night
49
Mostly Clear
Sunday
82
Sunny
Sunday Night
52
Mostly Clear
Monday
83
Sunny
Monday Night
53
Mostly Clear
Tuesday
85
Sunny
Weekly Forecast
Today
Sunny, with a high near 91. Southwest wind 6 to 10 mph becoming north in the morning. Winds could gust as high as 20 mph.
Tonight
Partly cloudy, with a low around 54. West wind 6 to 13 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 80. West wind around 7 mph becoming north northeast in the afternoon.
Thursday Night
Mostly clear, with a low around 53. North northeast wind 9 to 11 mph.
Friday
Sunny, with a high near 75. North northeast wind 8 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 49. Northeast wind 6 to 14 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 80. Light and variable wind becoming northeast 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 49. East northeast wind 6 to 14 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 85.