Great Falls (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 24 degrees Celsius; Minimum nighttime temperature: 12 degrees Celsius; -
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 22 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius; -
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius;
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius;
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 21 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius;
-
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 23 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius;
Sunny changing to thunder showers in the afternoon.
Sunrise:
Sunset:
VH UV
No pollution data.
No pollen data.
7 day forecast for Great Falls
Today (25 June 2026)
| Time |
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 |
30%
|
40%
|
30%
|
40%
|
30%
|
20%
|
20%
|
20%
|
20%
|
10%
|
40%
|
80%
|
70%
|
30%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
11°
|
11°
|
11°
|
12°
|
13°
|
15°
|
16°
|
18°
|
20°
|
21°
|
22°
|
24°
|
22°
|
22°
|
22°
|
21°
|
20°
|
18°
|
16°
|
15°
|
| Feels like temperature (°C) |
11°
|
11°
|
11°
|
12°
|
13°
|
15°
|
16°
|
18°
|
19°
|
20°
|
22°
|
23°
|
21°
|
21°
|
20°
|
20°
|
19°
|
17°
|
16°
|
15°
|
| Wind direction and speed |
S
1
|
SSW
2
|
SSW
2
|
S
1
|
SSW
2
|
SW
3
|
WSW
3
|
ENE
2
|
ENE
3
|
E
4
|
ENE
4
|
NE
4
|
N
4
|
WSW
5
|
NE
5
|
ENE
6
|
ENE
7
|
ENE
6
|
ENE
5
|
NE
4
|
| Wind gust (mph) |
3
|
3
|
3
|
5
|
7
|
8
|
8
|
8
|
12
|
14
|
16
|
13
|
14
|
14
|
13
|
13
|
11
|
10
|
8
|
7
|
| Visibility |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
91%
|
89%
|
86%
|
76%
|
74%
|
69%
|
65%
|
60%
|
54%
|
45%
|
41%
|
39%
|
45%
|
47%
|
43%
|
43%
|
51%
|
62%
|
69%
|
78%
|
| UV | - | - | - | 1 | 2 | 4 | 5 | 7 | 6 | 9 | 9 | 4 | 6 | 4 | 2 | 1 | - | - | - | - |
Friday (26 June 2026)
| 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%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
20%
|
30%
|
40%
|
60%
|
50%
|
50%
|
50%
|
50%
|
50%
|
40%
|
30%
|
| Temperature (°C) |
15°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
14°
|
15°
|
16°
|
17°
|
18°
|
19°
|
20°
|
21°
|
22°
|
21°
|
21°
|
20°
|
19°
|
18°
|
17°
|
16°
|
15°
|
| Feels like temperature (°C) |
15°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
14°
|
15°
|
16°
|
17°
|
18°
|
19°
|
20°
|
21°
|
21°
|
20°
|
20°
|
19°
|
18°
|
16°
|
16°
|
15°
|
14°
|
| Wind direction and speed (mph) |
NNE
3
|
NNE
3
|
NE
3
|
NNE
3
|
NNE
2
|
E
2
|
NE
2
|
NNE
2
|
NNE
3
|
N
4
|
NNE
4
|
NNE
4
|
NE
4
|
N
4
|
W
4
|
SSW
6
|
SW
6
|
SW
5
|
WSW
7
|
W
8
|
W
8
|
WSW
8
|
SW
7
|
SW
6
|
| Wind gust (mph) |
6
|
5
|
5
|
5
|
4
|
5
|
5
|
6
|
8
|
10
|
10
|
11
|
12
|
14
|
15
|
14
|
14
|
15
|
15
|
15
|
15
|
14
|
12
|
11
|
| Visibility (description) |
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
G
|
G
|
G
|
G
|
| Humidity |
84%
|
87%
|
89%
|
89%
|
91%
|
93%
|
93%
|
85%
|
81%
|
74%
|
73%
|
70%
|
64%
|
57%
|
47%
|
47%
|
47%
|
50%
|
54%
|
61%
|
69%
|
78%
|
78%
|
81%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 2 | 4 | 5 | 7 | 5 | 3 | 2 | 1 | 1 | 1 | - | - | - | - |
Saturday (27 June 2026)
| 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 |
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
10%
|
20%
|
30%
|
30%
|
40%
|
40%
|
40%
|
30%
|
30%
|
30%
|
30%
|
| Temperature (°C) |
14°
|
13°
|
13°
|
12°
|
12°
|
12°
|
11°
|
12°
|
14°
|
15°
|
17°
|
18°
|
19°
|
19°
|
19°
|
20°
|
19°
|
18°
|
18°
|
18°
|
17°
|
15°
|
14°
|
13°
|
| Feels like temperature (°C) |
13°
|
13°
|
12°
|
11°
|
11°
|
10°
|
10°
|
11°
|
13°
|
14°
|
15°
|
15°
|
17°
|
17°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
14°
|
14°
|
12°
|
11°
|
| Wind direction and speed (mph) |
SW
6
|
SW
5
|
SW
5
|
SW
6
|
SW
6
|
SW
6
|
SW
6
|
SW
6
|
SW
6
|
SW
9
|
WSW
9
|
WSW
9
|
W
8
|
W
8
|
WNW
8
|
WNW
8
|
WNW
9
|
WNW
9
|
W
9
|
W
9
|
W
9
|
W
8
|
W
9
|
WSW
8
|
| Wind gust (mph) |
10
|
10
|
10
|
10
|
10
|
10
|
11
|
13
|
16
|
18
|
19
|
18
|
18
|
18
|
19
|
18
|
19
|
17
|
18
|
18
|
16
|
15
|
16
|
15
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
83%
|
86%
|
86%
|
86%
|
85%
|
85%
|
86%
|
78%
|
73%
|
62%
|
52%
|
45%
|
42%
|
42%
|
42%
|
40%
|
41%
|
44%
|
46%
|
45%
|
48%
|
59%
|
63%
|
63%
|
| UV | - | - | - | - | - | - | 1 | 1 | 2 | 4 | 4 | 6 | 6 | 5 | 7 | 4 | 3 | 2 | 1 | 1 | - | - | - | - |
Sunday (28 June 2026)
| 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%
|
30%
|
30%
|
30%
|
30%
|
30%
|
30%
|
30%
|
30%
|
30%
|
20%
|
30%
|
30%
|
40%
|
30%
|
30%
|
20%
|
30%
|
30%
|
30%
|
30%
|
30%
|
40%
|
| Temperature (°C) |
13°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
13°
|
13°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
13°
|
13°
|
12°
|
11°
|
| Feels like temperature (°C) |
11°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
10°
|
10°
|
11°
|
11°
|
12°
|
11°
|
12°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
9°
|
9°
|
| Wind direction and speed (mph) |
WSW
9
|
WSW
9
|
WSW
9
|
WSW
9
|
WSW
10
|
SW
10
|
SW
10
|
SW
11
|
SW
13
|
SW
13
|
SW
15
|
SW
15
|
SW
15
|
WSW
15
|
WSW
16
|
WSW
16
|
WSW
16
|
WSW
16
|
WSW
16
|
WSW
16
|
SW
15
|
SW
14
|
SW
14
|
SW
14
|
| Wind gust (mph) |
16
|
16
|
16
|
18
|
18
|
19
|
20
|
23
|
24
|
26
|
28
|
29
|
30
|
29
|
30
|
29
|
29
|
28
|
28
|
27
|
26
|
26
|
25
|
24
|
| Visibility (description) |
G
|
G
|
VG
|
G
|
G
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
G
|
G
|
M
|
M
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
| Humidity |
63%
|
63%
|
67%
|
67%
|
65%
|
67%
|
64%
|
59%
|
58%
|
54%
|
53%
|
49%
|
48%
|
47%
|
49%
|
49%
|
48%
|
48%
|
48%
|
48%
|
52%
|
54%
|
58%
|
58%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 2 | 3 | 3 | 4 | 2 | 5 | 2 | 2 | 1 | 1 | 1 | - | - | - | - |
Monday (29 June 2026)
| 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 |
30%
|
30%
|
30%
|
30%
|
30%
|
40%
|
40%
|
40%
|
40%
|
50%
|
50%
|
50%
|
40%
|
40%
|
40%
|
40%
|
40%
|
30%
|
30%
|
30%
|
| Temperature (°C) |
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
11°
|
11°
|
12°
|
12°
|
12°
|
14°
|
15°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
| Feels like temperature (°C) |
8°
|
8°
|
8°
|
8°
|
8°
|
7°
|
7°
|
8°
|
8°
|
9°
|
9°
|
9°
|
11°
|
12°
|
13°
|
12°
|
13°
|
13°
|
13°
|
12°
|
| Wind direction and speed (mph) |
SW
13
|
SW
14
|
SW
13
|
SW
13
|
SW
14
|
SW
14
|
SW
14
|
WSW
14
|
WSW
15
|
WSW
16
|
WSW
16
|
WSW
16
|
WSW
16
|
WSW
15
|
WSW
17
|
WSW
15
|
W
15
|
W
15
|
WSW
15
|
WSW
12
|
| Wind gust (mph) |
24
|
24
|
24
|
24
|
25
|
25
|
26
|
28
|
29
|
29
|
30
|
29
|
28
|
31
|
29
|
29
|
28
|
28
|
27
|
21
|
| Visibility (description) |
VG
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
M
|
G
|
VG
|
VG
|
| Humidity |
59%
|
59%
|
62%
|
63%
|
64%
|
62%
|
64%
|
67%
|
70%
|
65%
|
65%
|
70%
|
65%
|
59%
|
50%
|
48%
|
49%
|
49%
|
47%
|
54%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 6 | 2 | 4 | 2 | 2 | 2 | - |
Tuesday (30 June 2026)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
20%
|
10%
|
10%
|
20%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
12°
|
12°
|
11°
|
15°
|
19°
|
21°
|
21°
|
17°
|
| Feels like temperature (°C) |
10°
|
10°
|
9°
|
12°
|
15°
|
17°
|
18°
|
15°
|
| Wind direction and speed (mph) |
SW
11
|
SW
11
|
SW
11
|
SW
14
|
WSW
12
|
WSW
11
|
WSW
10
|
WSW
7
|
| Wind gust (mph) |
21
|
19
|
24
|
26
|
24
|
23
|
19
|
12
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
59%
|
63%
|
70%
|
56%
|
43%
|
40%
|
38%
|
59%
|
| UV | - | - | - | 3 | 8 | 5 | 2 | - |
Wednesday (1 July 2026)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
<5%
|
10%
|
20%
|
10%
|
<5%
|
| Temperature (°C) |
13°
|
11°
|
10°
|
16°
|
20°
|
22°
|
22°
|
18°
|
| Feels like temperature (°C) |
12°
|
10°
|
9°
|
14°
|
17°
|
19°
|
20°
|
17°
|
| Wind direction and speed (mph) |
SW
6
|
SSW
4
|
SW
5
|
SW
7
|
WSW
10
|
WSW
9
|
W
8
|
W
6
|
| Wind gust (mph) |
10
|
9
|
15
|
23
|
22
|
22
|
16
|
14
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
71%
|
81%
|
79%
|
54%
|
34%
|
27%
|
30%
|
60%
|
| UV | - | - | 1 | 4 | 8 | 6 | 2 | - |
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Forecast for 5am (UTC-6) Thursday
Updated 07:19 (UTC+1) on Thu 25 Jun 2026
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