Great Falls Airport (GTF) Weather 11/20/2025
Today
57
Mostly Cloudy
Tonight
39
Mostly Cloudy
Monday
60
Partly Sunny
Monday Night
36
Chance Rain
Tuesday
50
Slight Chance Rain/Snow then Mostly Sunny
Tuesday Night
32
Slight Chance Rain
Wednesday
46
Slight Chance Rain/Snow then Mostly Sunny
Wednesday Night
27
Partly Cloudy
Thursday
47
Mostly Sunny
Thursday Night
29
Partly Cloudy
Friday
52
Sunny
Friday Night
37
Mostly Cloudy
Saturday
52
Mostly Sunny
Weekly Forecast
Today
Mostly cloudy, with a high near 57. Calm wind becoming east southeast around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 39. East southeast wind around 5 mph becoming light and variable.
Monday
Partly sunny, with a high near 60. Southwest wind 5 to 9 mph.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 36. West southwest wind 7 to 9 mph.
Tuesday
A slight chance of rain and snow before 11am. Partly sunny, with a high near 50. Northwest wind around 6 mph becoming light and variable. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 32. East northeast wind around 6 mph becoming southwest in the evening.
Wednesday
A slight chance of rain and snow before 9am, then a slight chance of rain between 9am and 11am. Partly sunny, with a high near 46. West northwest wind around 7 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 27. North northeast wind around 6 mph becoming south southwest in the evening.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Sunny, with a high near 52.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 52.