Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 24°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Friday
5th Jun
24

8

13

9
Saturday
6th Jun
20

11

3

8
Sunday
7th Jun
12

6

2

3
Monday
8th Jun
19

4

7

8
Tuesday
9th Jun
19

9

1

7

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

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 24°C, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.

24
°C maximum temperature
8
°C minimum temperature
scattered clouds
13
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
24
kph wind from SW

Great Falls weather for Saturday 6th June 2026

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 20°C, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a gentle breeze of 19 kph from the north-east.

20
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
8
UV index (Very High)
38
% chance of some rain
<2
mm of rainfall expected
20
°C wind chill
19
kph wind from NE

Great Falls weather for Sunday 7th June 2026

Expect mostly cloudy with rain in Great Falls, Montana with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 51% chance of some rain and a moderate breeze of 26 kph from the west.

12
°C maximum temperature
6
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
3
UV index (Moderate)
51
% chance of some rain
<10
mm of rainfall expected
12
°C wind chill
26
kph wind from W

Great Falls weather for Monday 8th June 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 19°C, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

19
°C maximum temperature
4
°C minimum temperature
scattered clouds
7
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
19
kph wind from SW

Great Falls weather for Tuesday 9th June 2026

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 19°C, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 16 kph from the west.