Great Falls (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: -3° Celsius;
Maximum daytime temperature: 5 degrees Celsius; Minimum nighttime temperature: -3 degrees Celsius; -
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 0° Celsius;
Maximum daytime temperature: 7 degrees Celsius; Minimum nighttime temperature: 0 degrees Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 1° Celsius;
Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 1 degrees Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius;
-
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 23 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius;
-
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 26 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius;
-
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 5 degrees Celsius;
Cloudy.
Sunrise:
Sunset:
M UV
No pollution data.
No pollen data.
7 day forecast for Great Falls
Today (16 April 2026)
| Time |
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%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
-1°
|
-1°
|
-1°
|
-1°
|
0°
|
1°
|
2°
|
3°
|
4°
|
4°
|
3°
|
2°
|
1°
|
0°
|
0°
|
-1°
|
-1°
|
| Feels like temperature (°C) |
-5°
|
-6°
|
-6°
|
-5°
|
-4°
|
-2°
|
-1°
|
0°
|
1°
|
1°
|
-1°
|
-3°
|
-5°
|
-5°
|
-5°
|
-4°
|
-4°
|
| Wind direction and speed |
NNW
9
|
NNW
9
|
NNW
8
|
NNW
8
|
NNW
8
|
NNW
7
|
NNW
8
|
NW
8
|
NW
9
|
WNW
11
|
NW
13
|
NW
13
|
NW
13
|
NW
10
|
NW
8
|
NW
6
|
WNW
5
|
| Wind gust (mph) |
18
|
18
|
18
|
18
|
17
|
18
|
19
|
21
|
24
|
25
|
25
|
26
|
25
|
19
|
15
|
12
|
9
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
71%
|
63%
|
61%
|
57%
|
53%
|
46%
|
41%
|
39%
|
38%
|
38%
|
41%
|
51%
|
61%
|
63%
|
62%
|
63%
|
68%
|
| UV | - | 1 | 2 | 3 | 4 | 5 | 4 | 4 | 2 | 2 | 1 | 1 | - | - | - | - | - |
Friday (17 April 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
20%
|
10%
|
10%
|
20%
|
30%
|
30%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
-1°
|
-1°
|
-1°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
0°
|
2°
|
4°
|
5°
|
6°
|
6°
|
6°
|
6°
|
5°
|
6°
|
5°
|
5°
|
4°
|
3°
|
2°
|
2°
|
| Feels like temperature (°C) |
-4°
|
-4°
|
-5°
|
-5°
|
-5°
|
-6°
|
-6°
|
-6°
|
-4°
|
-1°
|
1°
|
2°
|
3°
|
4°
|
3°
|
3°
|
2°
|
2°
|
2°
|
2°
|
1°
|
1°
|
0°
|
-1°
|
| Wind direction and speed (mph) |
W
5
|
WSW
5
|
WSW
5
|
WSW
5
|
WSW
5
|
WSW
6
|
WSW
6
|
WSW
6
|
WSW
6
|
WSW
7
|
W
9
|
WNW
9
|
NW
9
|
NW
8
|
NW
9
|
NW
10
|
NW
9
|
NW
10
|
NW
9
|
WNW
7
|
WNW
7
|
W
5
|
WSW
5
|
SSW
5
|
| Wind gust (mph) |
9
|
9
|
10
|
10
|
10
|
10
|
11
|
11
|
15
|
17
|
18
|
20
|
19
|
18
|
22
|
20
|
21
|
19
|
17
|
14
|
11
|
10
|
9
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
71%
|
71%
|
74%
|
75%
|
73%
|
74%
|
72%
|
71%
|
63%
|
55%
|
43%
|
39%
|
34%
|
32%
|
36%
|
37%
|
41%
|
42%
|
44%
|
46%
|
56%
|
67%
|
73%
|
73%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 2 | 4 | 2 | 2 | 3 | 2 | 2 | 1 | 1 | - | - | - | - | - |
Saturday (18 April 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%
|
<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°
|
1°
|
0°
|
1°
|
1°
|
1°
|
0°
|
2°
|
5°
|
7°
|
9°
|
10°
|
12°
|
13°
|
15°
|
15°
|
16°
|
15°
|
14°
|
12°
|
10°
|
9°
|
7°
|
| Feels like temperature (°C) |
-2°
|
-2°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-3°
|
-1°
|
2°
|
4°
|
6°
|
8°
|
9°
|
11°
|
12°
|
12°
|
13°
|
13°
|
12°
|
10°
|
8°
|
7°
|
5°
|
| Wind direction and speed (mph) |
SSW
6
|
SSW
6
|
SW
7
|
SW
8
|
SW
8
|
SW
8
|
SW
8
|
SW
8
|
SW
8
|
SW
10
|
SW
12
|
WSW
13
|
WSW
12
|
WSW
12
|
WSW
12
|
WSW
11
|
WSW
11
|
WSW
11
|
WSW
10
|
WSW
10
|
WSW
9
|
WSW
9
|
WSW
8
|
WSW
6
|
| Wind gust (mph) |
11
|
11
|
12
|
13
|
14
|
14
|
14
|
14
|
17
|
23
|
25
|
25
|
25
|
25
|
24
|
23
|
22
|
21
|
19
|
16
|
15
|
15
|
12
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
74%
|
71%
|
69%
|
68%
|
61%
|
58%
|
56%
|
55%
|
51%
|
42%
|
36%
|
21%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
21%
|
26%
|
39%
|
41%
|
51%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 1 | - | - | - | - | - |
Sunday (19 April 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
5°
|
4°
|
3°
|
3°
|
2°
|
2°
|
1°
|
2°
|
5°
|
8°
|
11°
|
14°
|
16°
|
18°
|
19°
|
20°
|
20°
|
20°
|
20°
|
19°
|
15°
|
13°
|
11°
|
9°
|
| Feels like temperature (°C) |
4°
|
2°
|
2°
|
1°
|
1°
|
0°
|
-1°
|
0°
|
4°
|
7°
|
10°
|
12°
|
13°
|
14°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
14°
|
12°
|
10°
|
9°
|
| Wind direction and speed (mph) |
SW
3
|
S
4
|
S
4
|
S
4
|
S
4
|
S
4
|
SSW
4
|
SSW
4
|
SSW
3
|
SSW
4
|
SSW
5
|
SSW
8
|
SW
10
|
SW
10
|
SW
9
|
SW
9
|
SW
9
|
SW
8
|
WSW
7
|
SW
6
|
SW
6
|
WSW
6
|
WSW
5
|
WSW
3
|
| Wind gust (mph) |
6
|
6
|
6
|
6
|
6
|
6
|
6
|
6
|
8
|
11
|
17
|
20
|
21
|
20
|
20
|
20
|
18
|
17
|
13
|
10
|
9
|
9
|
7
|
5
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
75%
|
73%
|
72%
|
72%
|
72%
|
73%
|
74%
|
73%
|
54%
|
46%
|
40%
|
28%
|
21%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
28%
|
47%
|
50%
|
60%
|
74%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 5 | 6 | 6 | 6 | 4 | 3 | 2 | 1 | - | - | - | - | - |
Monday (20 April 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
8°
|
7°
|
6°
|
6°
|
5°
|
5°
|
4°
|
5°
|
7°
|
10°
|
13°
|
16°
|
18°
|
20°
|
21°
|
22°
|
23°
|
23°
|
22°
|
16°
|
| Feels like temperature (°C) |
8°
|
7°
|
6°
|
5°
|
4°
|
4°
|
3°
|
3°
|
7°
|
9°
|
12°
|
15°
|
17°
|
18°
|
20°
|
21°
|
21°
|
21°
|
20°
|
14°
|
| Wind direction and speed (mph) |
SSW
3
|
S
3
|
SSW
3
|
SSW
3
|
SSW
4
|
SSW
4
|
SSW
4
|
SW
4
|
SW
3
|
SW
3
|
WSW
3
|
W
3
|
ENE
3
|
E
4
|
SE
4
|
ESE
3
|
N
4
|
NNE
4
|
ENE
5
|
ESE
7
|
| Wind gust (mph) |
5
|
5
|
6
|
6
|
6
|
6
|
6
|
6
|
7
|
7
|
8
|
9
|
12
|
12
|
13
|
13
|
12
|
12
|
13
|
12
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
79%
|
81%
|
81%
|
81%
|
78%
|
79%
|
80%
|
81%
|
63%
|
56%
|
46%
|
40%
|
35%
|
22%
|
20%
|
20%
|
20%
|
20%
|
20%
|
41%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 1 | - |
Tuesday (21 April 2026)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
| Temperature (°C) |
12°
|
8°
|
6°
|
11°
|
19°
|
25°
|
25°
|
17°
|
| Feels like temperature (°C) |
11°
|
8°
|
5°
|
11°
|
18°
|
22°
|
22°
|
16°
|
| Wind direction and speed (mph) |
ENE
5
|
SW
3
|
SW
3
|
WSW
2
|
SSE
3
|
SSW
9
|
SSW
9
|
E
6
|
| Wind gust (mph) |
9
|
6
|
6
|
8
|
14
|
23
|
17
|
13
|
| Visibility (description) |
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
62%
|
82%
|
86%
|
59%
|
37%
|
20%
|
21%
|
52%
|
| UV | - | - | - | 2 | 6 | 4 | 1 | - |
Wednesday (22 April 2026)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
 |
 |
|
| Chance of precipitation |
<5%
|
<5%
|
20%
|
20%
|
40%
|
50%
|
50%
|
60%
|
| Temperature (°C) |
13°
|
10°
|
9°
|
11°
|
15°
|
16°
|
14°
|
11°
|
| Feels like temperature (°C) |
12°
|
9°
|
8°
|
11°
|
13°
|
14°
|
12°
|
9°
|
| Wind direction and speed (mph) |
N
5
|
WNW
4
|
W
4
|
WNW
4
|
NW
8
|
NW
11
|
NW
12
|
WNW
11
|
| Wind gust (mph) |
10
|
8
|
10
|
18
|
22
|
25
|
24
|
23
|
| Visibility (description) |
VG
|
VG
|
G
|
VG
|
VG
|
G
|
M
|
P
|
| Humidity |
68%
|
78%
|
80%
|
70%
|
52%
|
44%
|
62%
|
78%
|
| UV | - | - | - | 1 | 4 | 3 | 1 | - |
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Updated 13:20 (UTC+1) on Thu 16 Apr 2026
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