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Hour-by-Hour Forecast for Great Falls, Montana, USA

Currently: 52 °F. Light rain. Fog. (Weather station: Great Falls International Airport, USA). See more current weather

Hour-by-hour Forecast in Great Falls — Graph

°F
Time
Wind
(mph)
Rain/Snow
()
Temp
(°F)
46
50
54
58
62
66
70
74
78
82
86
Tuesday, July 15, 2025
0.09
1 pm
53
15
0.07
2 pm
53
14
0.04
3 pm
53
13
0.04
4 pm
53
12
0.04
5 pm
52
11
0.02
6 pm
52
10
0.02
7 pm
52
8
0.01
8 pm
52
7
0.01
9 pm
51
6
0.01
10 pm
50
4
11 pm
50
3
Wednesday, July 16, 2025
12 am
49
2
1 am
49
2
2 am
49
1
3 am
49
1
4 am
49
1
5 am
48
1
6 am
48
1
7 am
48
1
8 am
50
2
9 am
52
3
10 am
55
4
11 am
58
4
12 pm
60
4
1 pm
63
5
2 pm
65
7
3 pm
68
8
4 pm
69
8
5 pm
70
8
6 pm
71
9
7 pm
69
9
8 pm
67
9
9 pm
65
9
10 pm
60
7
11 pm
56
5
Thursday, July 17, 2025
12 am
54
3
1 am
53
1
2 am
51
3
3 am
50
6
4 am
49
5
5 am
47
4
6 am
47
4
7 am
50
3
8 am
55
3
9 am
60
2
10 am
65
1
11 am
69
2
12 pm
73
3
1 pm
76
4
2 pm
79
5
3 pm
81
7
4 pm
82
9
5 pm
81
11
6 pm
80
14
7 pm
77
12
8 pm
73
10
9 pm
70
8
10 pm
63
9
11 pm
61
10
Friday, July 18, 2025
12 am
58
11
1 am
56
8
2 am
55
5
3 am
54
4
4 am
53
4
5 am
53
3
6 am
53
2
7 am
53
2
8 am
56
1
9 am
59
1
10 am
63
1
11 am
65
1
12 pm
67
2
1 pm
70
4
2 pm
74
6
3 pm
76
9
4 pm
78
10
5 pm
78
11
6 pm
78
13
7 pm
77
12
8 pm
74
12
9 pm
72
12
10 pm
67
7
11 pm
64
3
Saturday, July 19, 2025
12 am
63
3
1 am
60
4
2 am
58
4
3 am
57
5
4 am
55
5
5 am
54
5
6 am
53
5
7 am
55
5
8 am
60
5
9 am
67
5
10 am
73
4
11 am
76
4
12 pm
80
4
1 pm
83
4
2 pm
85
4
3 pm
87
4
4 pm
88
11
5 pm
87
17
6 pm
86
24
7 pm
84
16
8 pm
80
9
0.01
9 pm
75
4
10 pm
67
2
11 pm
65
1
Sunday, July 20, 2025
12 am
64
4
1 am
62
3
2 am
61
3
3 am
59
3
4 am
58
3
5 am
56
4
6 am
56
4
7 am
58
6
8 am
63
7
9 am
68
8
10 am
74
7
11 am
77
6
12 pm
80
4
1 pm
83
4
2 pm
85
4
3 pm
86
6
4 pm
87
7
5 pm
86
8
6 pm
84
9
7 pm
81
8
8 pm
76
8
9 pm
72
8
10 pm
65
5
11 pm
64
3
Monday, July 21, 2025
12 am
62
1
1 am
60
3
2 am
58
4
3 am
57
6
4 am
55
6
5 am
55
6
6 am
54
5
7 am
55
4
8 am
58
3
9 am
62
3
10 am
66
3
11 am
70
3
12 pm
73
4
1 pm
76
6
2 pm
79
8
3 pm
81
10
4 pm
82
5
5 pm
82
6
6 pm
81
11
7 pm
77
7
8 pm
73
3
9 pm
68
4
10 pm
60
3
11 pm
58
3
Tuesday, July 22, 2025
12 am
55
3
1 am
53
2
2 am
52
3
3 am
51
4
4 am
49
3
5 am
48
4

Detailed Hourly Forecast — Next 24 hours

Scroll right to see more
 ConditionsComfortPrecipitation
Time TempWeatherFeels LikeWind HumidityChanceAmount
1:00 pm
Tue, Jul 15
53 °FRain showers. Overcast.48 °F15 mph93%56%0.00" (snow)
0.09" (rain)
2:00 pm53 °FRain showers. Overcast.48 °F14 mph91%60%0.00" (snow)
0.07" (rain)
3:00 pm53 °FLight showers. Overcast.48 °F13 mph90%64%0.00" (snow)
0.04" (rain)
4:00 pm53 °FLight showers. Overcast.49 °F12 mph89%66%0.00" (snow)
0.04" (rain)
5:00 pm52 °FLight showers. Overcast.48 °F11 mph89%65%0.00" (snow)
0.04" (rain)
6:00 pm52 °FA few showers. Overcast.49 °F10 mph88%63%0.00" (snow)
0.02" (rain)
7:00 pm52 °FA few showers. Overcast.49 °F8 mph88%59%0.00" (snow)
0.02" (rain)
8:00 pm52 °FDrizzle. Overcast.49 °F7 mph88%55%0.00" (snow)
0.01" (rain)
9:00 pm51 °FDrizzle. Overcast.49 °F6 mph88%51%0.00" (snow)
0.01" (rain)
10:00 pm50 °FDrizzle. Overcast.49 °F4 mph91%45%0.00" (snow)
0.01" (rain)
11:00 pm50 °FDrizzle. Overcast.49 °F3 mph92%39%0.00" (snow)
0.00" (rain)
12:00 am
Wed, Jul 16
49 °FDrizzle. Overcast.49 °F2 mph93%35%0.00" (snow)
0.00" (rain)
1:00 am49 °FDrizzle. Overcast.49 °F2 mph93%30%0.00" (snow)
0.00" (rain)
2:00 am49 °FDrizzle. Overcast.49 °F1 mph94%25%0.00" (snow)
0.00" (rain)
3:00 am49 °FDrizzle. Overcast.49 °F1 mph94%20%0.00" (snow)
0.00" (rain)
4:00 am49 °FDrizzle. Overcast.49 °F1 mph94%14%0.00" (snow)
0.00" (rain)
5:00 am48 °FOvercast.48 °F1 mph95%6%0.00" (snow)
0.00" (rain)
6:00 am48 °FOvercast.48 °F1 mph95%5%0.00" (snow)
0.00" (rain)
7:00 am48 °FOvercast.48 °F1 mph96%3%0.00" (snow)
0.00" (rain)
8:00 am50 °FOvercast.50 °F2 mph94%0%0.00" (snow)
0.00" (rain)
9:00 am52 °FOvercast.51 °F3 mph90%0%0.00" (snow)
0.00" (rain)
10:00 am55 °FOvercast.55 °F4 mph81%0%0.00" (snow)
0.00" (rain)
11:00 am58 °FCloudy.58 °F4 mph74%5%0.00" (snow)
0.00" (rain)
12:00 pm60 °FMostly cloudy.60 °F4 mph68%9%0.00" (snow)
0.00" (rain)
* Updated Tuesday, July 15, 2025 7:42:26 am Great Falls time - Weather by CustomWeather, © 2025

14 days extended forecast