Great Falls Airport (GTF) Weather 12/11/2025
Overnight
8
Partly Cloudy
Monday
34
Mostly Sunny then Patchy Blowing Snow
Monday Night
33
Chance Snow and Patchy Blowing Snow
Tuesday
35
Snow and Patchy Blowing Snow
Tuesday Night
16
Snow Likely then Chance Snow
Wednesday
31
Mostly Sunny
Wednesday Night
24
Mostly Cloudy
Thursday
36
Partly Sunny
Thursday Night
25
Chance Snow
Friday
39
Chance Snow then Chance Rain/Snow
Friday Night
21
Chance Rain/Snow then Chance Snow
Saturday
34
Chance Snow
Saturday Night
17
Chance Snow
Weekly Forecast
Overnight
Partly cloudy, with a low around 8. Wind chill values as low as -5. Southwest wind around 10 mph.
Monday
Patchy blowing snow between noon and 5pm. Partly sunny, with a high near 34. Southwest wind 11 to 18 mph, with gusts as high as 29 mph.
Monday Night
A 40 percent chance of snow after 11pm. Patchy blowing snow. Mostly cloudy, with a steady temperature around 33. Breezy, with a southwest wind 20 to 22 mph, with gusts as high as 34 mph. New snow accumulation of less than a half inch possible.
Tuesday
Snow. Patchy blowing snow before 8am. High near 35. West wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Snow likely, mainly before 11pm. Cloudy, with a low around 16. North northwest wind 7 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
Mostly sunny, with a high near 31. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 24. Southwest wind 14 to 18 mph, with gusts as high as 28 mph.
Thursday
Partly sunny, with a high near 36. Southwest wind 14 to 17 mph, with gusts as high as 25 mph.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 25.
Friday
A chance of snow before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 39.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 21.
Saturday
A chance of snow. Mostly cloudy, with a high near 34.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 17.