Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 22°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Monday
8th Jun
22

5

12

8
Tuesday
9th Jun
20

10

5

7
Wednesday
10th Jun
14

8

3

5
Thursday
11th Jun
19

7

6

7
Friday
12th Jun
17

6

3

6

5-day weather forecast updated at 04:00 on Monday 8th June 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 Monday 8th June 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 22°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the south-west.

22
°C maximum temperature
5
°C minimum temperature
scattered clouds
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
22
°C wind chill
27
kph wind from SW

Great Falls weather for Tuesday 9th June 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 20°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the west.

20
°C maximum temperature
10
°C minimum temperature
broken clouds
5
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
20
°C wind chill
31
kph wind from W

Great Falls weather for Wednesday 10th June 2026

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 14°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 49% chance of some rain and a fresh breeze of 37 kph from the west.

14
°C maximum temperature
8
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
5
UV index (Moderate)
49
% chance of some rain
<5
mm of rainfall expected
14
°C wind chill
37
kph wind from W

Great Falls weather for Thursday 11th June 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 19°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.

19
°C maximum temperature
7
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
24
kph wind from SW

Great Falls weather for Friday 12th June 2026

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 17°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 48% chance of some rain and a moderate breeze of 21 kph from the north.