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Great Falls Airport (GTF) Weather 10/31/2025

Great Falls International Airport (GTF) Weather
Slight Chance Rain

Overnight

40

Slight Chance Rain

Chance Rain and Windy

Sunday

58

Chance Rain and Windy

Breezy. Partly Cloudy then Slight Chance Rain

Sunday Night

37

Breezy. Partly Cloudy then Slight Chance Rain

Breezy. Slight Chance Rain then Mostly Sunny

Monday

51

Breezy. Slight Chance Rain then Mostly Sunny

Mostly Clear

Monday Night

34

Mostly Clear

Sunny

Tuesday

61

Sunny

Partly Cloudy

Tuesday Night

35

Partly Cloudy

Mostly Sunny

Wednesday

66

Mostly Sunny

Partly Cloudy

Wednesday Night

42

Partly Cloudy

Mostly Sunny

Thursday

64

Mostly Sunny

Mostly Cloudy

Thursday Night

43

Mostly Cloudy

Partly Sunny

Friday

68

Partly Sunny

Mostly Cloudy

Friday Night

42

Mostly Cloudy

Weekly Forecast

Overnight
A 20 percent chance of rain before 3am. Cloudy, with a low around 40. South southwest wind around 20 mph, with gusts as high as 28 mph.
Sunday
A 30 percent chance of rain, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 58. Windy, with a west southwest wind 20 to 25 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 50 mph.
Sunday Night
A 20 percent chance of rain after midnight. Increasing clouds, with a low around 37. Breezy, with a west southwest wind 23 to 28 mph decreasing to 16 to 21 mph after midnight. Winds could gust as high as 39 mph.
Monday
A 20 percent chance of rain before noon. Cloudy through mid morning, then gradual clearing, with a high near 51. Breezy, with a west wind 16 to 24 mph, with gusts as high as 33 mph.
Monday Night
Mostly clear, with a low around 34. Southwest wind 15 to 18 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 61. Southwest wind 16 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 35. South southwest wind around 11 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 66. South southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Mostly cloudy, with a low around 43.
Friday
Partly sunny, with a high near 68.
Friday Night
Mostly cloudy, with a low around 42.