Great Falls (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 2° Celsius; Minimum nighttime temperature: 0° Celsius;
Maximum daytime temperature: 2° Celsius; Minimum nighttime temperature: 0° Celsius; -
Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: 0° Celsius;
Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: 0° Celsius;
-
Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: 3° Celsius; -
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 4° Celsius; -
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 3° Celsius; -
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 9° Celsius;
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 2° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 2° Celsius;
Overcast.
Sunrise:
Sunset:
M UV
No pollution data.
No pollen data.
7 day forecast for Great Falls
Today (13 October 2025)
| Time |
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
2°
|
2°
|
2°
|
2°
|
1°
|
1°
|
1°
|
| Feels like temperature (°C) |
-2°
|
-2°
|
-2°
|
-3°
|
-3°
|
-3°
|
-2°
|
| Wind direction and speed |
NE
10
|
NE
10
|
NE
10
|
NE
10
|
NE
9
|
NE
8
|
NE
7
|
| Wind gust (mph) |
23
|
22
|
22
|
21
|
20
|
17
|
14
|
| Visibility |
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
| Humidity |
66%
|
66%
|
67%
|
68%
|
69%
|
74%
|
75%
|
| UV | 1 | - | - | - | - | - | - |
Tuesday (14 October 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
 |
|
 |
|
|
|
 |
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
1°
|
1°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
1°
|
2°
|
2°
|
3°
|
4°
|
4°
|
5°
|
5°
|
5°
|
4°
|
4°
|
3°
|
3°
|
2°
|
| Feels like temperature (°C) |
-2°
|
-1°
|
-1°
|
-1°
|
-1°
|
-1°
|
-1°
|
-2°
|
-2°
|
-1°
|
-1°
|
0°
|
1°
|
2°
|
2°
|
3°
|
4°
|
4°
|
4°
|
3°
|
2°
|
2°
|
1°
|
1°
|
| Wind direction and speed (mph) |
NE
5
|
NNE
3
|
NNW
3
|
WNW
3
|
W
3
|
W
3
|
WSW
2
|
WSW
2
|
WSW
2
|
WSW
3
|
W
3
|
W
2
|
WNW
2
|
NNW
2
|
N
2
|
NNE
2
|
NE
3
|
NE
3
|
NE
3
|
NNE
4
|
NNE
3
|
N
3
|
N
3
|
NNW
3
|
| Wind gust (mph) |
10
|
8
|
7
|
6
|
6
|
5
|
5
|
5
|
6
|
8
|
9
|
9
|
9
|
10
|
10
|
10
|
10
|
9
|
8
|
8
|
7
|
7
|
7
|
6
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
77%
|
79%
|
84%
|
83%
|
84%
|
85%
|
86%
|
87%
|
87%
|
83%
|
79%
|
73%
|
71%
|
66%
|
65%
|
63%
|
61%
|
61%
|
64%
|
72%
|
76%
|
78%
|
84%
|
85%
|
| UV | - | - | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 3 | 3 | 2 | 1 | 1 | - | - | - | - | - | - |
Wednesday (15 October 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
30%
|
| Temperature (°C) |
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
0°
|
1°
|
2°
|
3°
|
4°
|
4°
|
5°
|
6°
|
6°
|
6°
|
6°
|
5°
|
5°
|
4°
|
4°
|
4°
|
| Feels like temperature (°C) |
0°
|
0°
|
0°
|
0°
|
0°
|
-1°
|
-1°
|
-1°
|
-1°
|
0°
|
1°
|
2°
|
2°
|
3°
|
4°
|
5°
|
5°
|
5°
|
5°
|
4°
|
3°
|
3°
|
3°
|
3°
|
| Wind direction and speed (mph) |
NNW
3
|
NW
3
|
WNW
3
|
WNW
3
|
W
3
|
W
3
|
WNW
3
|
NW
3
|
WNW
3
|
NW
2
|
NNW
2
|
NNW
3
|
N
2
|
N
2
|
NNE
3
|
NNE
3
|
NNE
2
|
NE
3
|
NE
3
|
NW
3
|
WNW
3
|
WSW
3
|
SW
3
|
SW
3
|
| Wind gust (mph) |
6
|
5
|
6
|
6
|
6
|
5
|
5
|
5
|
6
|
6
|
8
|
8
|
9
|
9
|
10
|
9
|
9
|
7
|
6
|
6
|
6
|
6
|
5
|
6
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
87%
|
88%
|
89%
|
89%
|
90%
|
90%
|
88%
|
89%
|
91%
|
86%
|
83%
|
79%
|
75%
|
74%
|
70%
|
69%
|
68%
|
69%
|
71%
|
83%
|
86%
|
86%
|
90%
|
91%
|
| UV | - | - | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 3 | 2 | 2 | 1 | 1 | - | - | - | - | - | - |
Thursday (16 October 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
 |
|
|
|
|
|
|
 |
|
|
|
|
|
| Chance of precipitation |
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
30%
|
30%
|
20%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
3°
|
4°
|
5°
|
6°
|
7°
|
9°
|
10°
|
11°
|
12°
|
12°
|
10°
|
8°
|
7°
|
6°
|
6°
|
5°
|
| Feels like temperature (°C) |
3°
|
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
1°
|
1°
|
1°
|
2°
|
4°
|
5°
|
7°
|
9°
|
10°
|
10°
|
10°
|
8°
|
6°
|
5°
|
4°
|
3°
|
2°
|
| Wind direction and speed (mph) |
SW
3
|
SW
3
|
SW
3
|
WSW
4
|
SW
4
|
WSW
5
|
WSW
5
|
W
5
|
W
5
|
W
5
|
W
6
|
WNW
6
|
WNW
6
|
WNW
6
|
WNW
7
|
WNW
7
|
WNW
7
|
W
6
|
SSW
6
|
S
7
|
S
7
|
S
7
|
SSW
7
|
SSW
8
|
| Wind gust (mph) |
6
|
7
|
7
|
8
|
9
|
10
|
10
|
11
|
11
|
13
|
15
|
15
|
16
|
17
|
17
|
17
|
16
|
13
|
12
|
13
|
13
|
14
|
15
|
16
|
| Visibility (description) |
G
|
M
|
G
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
92%
|
93%
|
94%
|
93%
|
92%
|
91%
|
92%
|
92%
|
89%
|
84%
|
76%
|
67%
|
58%
|
54%
|
47%
|
45%
|
45%
|
45%
|
66%
|
69%
|
69%
|
70%
|
71%
|
72%
|
| UV | - | - | - | - | - | - | - | - | - | 1 | 1 | 3 | 3 | 4 | 3 | 2 | 1 | 1 | - | - | - | - | - | - |
Friday (17 October 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
| Temperature (°C) |
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
4°
|
6°
|
8°
|
9°
|
11°
|
12°
|
12°
|
12°
|
12°
|
11°
|
9°
|
6°
|
| Feels like temperature (°C) |
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
2°
|
1°
|
1°
|
3°
|
5°
|
7°
|
9°
|
9°
|
10°
|
10°
|
9°
|
9°
|
7°
|
4°
|
| Wind direction and speed (mph) |
SSW
8
|
SSW
9
|
SSW
9
|
SSW
9
|
SSW
10
|
SSW
10
|
SSW
10
|
SW
10
|
SW
10
|
SW
10
|
SW
10
|
WSW
11
|
W
13
|
W
14
|
W
13
|
WNW
13
|
WNW
12
|
WNW
11
|
WNW
9
|
WSW
8
|
| Wind gust (mph) |
16
|
16
|
17
|
18
|
19
|
19
|
19
|
19
|
20
|
20
|
23
|
27
|
30
|
30
|
29
|
27
|
25
|
22
|
20
|
20
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
68%
|
66%
|
64%
|
62%
|
59%
|
58%
|
59%
|
60%
|
62%
|
59%
|
53%
|
48%
|
42%
|
40%
|
39%
|
39%
|
42%
|
46%
|
52%
|
64%
|
| UV | - | - | - | - | - | - | - | - | - | 1 | 2 | 3 | 3 | 3 | 3 | 2 | 1 | 1 | - | - |
Saturday (18 October 2025)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
6°
|
5°
|
4°
|
6°
|
11°
|
13°
|
12°
|
10°
|
| Feels like temperature (°C) |
3°
|
1°
|
0°
|
3°
|
8°
|
10°
|
9°
|
7°
|
| Wind direction and speed (mph) |
WSW
9
|
WSW
10
|
SW
9
|
SW
10
|
WSW
16
|
WSW
16
|
WSW
13
|
SW
14
|
| Wind gust (mph) |
21
|
20
|
21
|
33
|
36
|
36
|
29
|
30
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
63%
|
58%
|
59%
|
55%
|
41%
|
38%
|
44%
|
53%
|
| UV | - | - | - | 1 | 3 | 2 | - | - |
Sunday (19 October 2025)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
<5%
|
| Temperature (°C) |
10°
|
10°
|
10°
|
10°
|
13°
|
13°
|
10°
|
7°
|
| Feels like temperature (°C) |
8°
|
7°
|
7°
|
8°
|
9°
|
9°
|
7°
|
3°
|
| Wind direction and speed (mph) |
SW
14
|
SW
14
|
SW
13
|
SW
14
|
WSW
20
|
WSW
19
|
WSW
17
|
WSW
12
|
| Wind gust (mph) |
30
|
29
|
30
|
42
|
45
|
40
|
33
|
28
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
54%
|
56%
|
58%
|
57%
|
44%
|
38%
|
43%
|
52%
|
| UV | - | - | - | 1 | 3 | 2 | - | - |
Tooltip header
UK video forecast
weather map
Forecast
Forecast for 17:00 (UTC-6), Mon
Updated 19:33 (UTC+1) on Mon 13 Oct 2025
Loading map...
More from the Met Office
-
CAUSES OF CLIMATE CHANGE
Causes of climate change
Read -
WEATHER
Satellite image of the month - 2017
Read -
WEATHER
When does winter start?
Read -
WEATHER
6 facts about the winter solstice
Read -
WEATHER
What is the Atlantic Meridional Overturning Circulation?
Read -
SEASONAL ADVICE
4 tips for staying safe in ice
Read