Great Falls Airport (GTF) Weather 08/02/2026
Tonight
59
Patchy Smoke
Wednesday
93
Patchy Smoke
Wednesday Night
59
Patchy Smoke
Thursday
95
Patchy Smoke then Sunny
Thursday Night
59
Chance Showers
Friday
97
Hot
Friday Night
60
Clear
Saturday
101
Hot
Saturday Night
60
Mostly Clear
Sunday
87
Sunny then Sunny and Breezy
Sunday Night
50
Mostly Clear and Breezy then Mostly Clear
Monday
77
Sunny
Monday Night
49
Mostly Clear
Weekly Forecast
Tonight
Patchy smoke. Mostly clear, with a low around 59. West wind 3 to 8 mph.
Wednesday
Patchy smoke. Sunny, with a high near 93. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Patchy smoke. Mostly clear, with a low around 59. Northeast wind 6 to 10 mph becoming southwest after midnight. Winds could gust as high as 18 mph.
Thursday
Patchy smoke before 7am. Sunny, with a high near 95. Southwest wind around 6 mph becoming calm.
Thursday Night
A chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 59. West wind 7 to 9 mph becoming northeast in the evening. Chance of precipitation is 30%.
Friday
Sunny and hot, with a high near 97. South southwest wind 5 to 7 mph.
Friday Night
Clear, with a low around 60. Northwest wind 5 to 9 mph becoming east southeast after midnight.
Saturday
Sunny and hot, with a high near 101. South southwest wind 6 to 15 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 87. Breezy.
Sunday Night
Mostly clear, with a low around 50. Breezy.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 49.