Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 13°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Wednesday
14th Oct
13

0

7

3
Thursday
15th Oct
11

2

10

3
Friday
16th Oct
20

3

8

3
Saturday
17th Oct
21

8

8

3
Sunday
18th Oct
15

4

10

3

5-day weather forecast updated at 04:00 on Wednesday 14th October 2026 GMT

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The 5-day weather forecast for Montana (Great Falls) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Great Falls weather forecast by day

Below are the detailed weather forecasts for Great Falls for the next 5 days.

Great Falls weather for Wednesday 14th October 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-west.

13
°C maximum temperature
0
°C minimum temperature
scattered clouds
7
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
25
kph wind from SW

Great Falls weather for Thursday 15th October 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.

11
°C maximum temperature
2
°C minimum temperature
scattered clouds
10
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from W

Great Falls weather for Friday 16th October 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the south-west.

20
°C maximum temperature
3
°C minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
20
°C wind chill
30
kph wind from SW

Great Falls weather for Saturday 17th October 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 35 kph from the south-west.

21
°C maximum temperature
8
°C minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
35
kph wind from SW

Great Falls weather for Sunday 18th October 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.