Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 15°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Monday
23rd Mar
15

1

7

4
Tuesday
24th Mar
11

7

3

3
Wednesday
25th Mar
16

5

9

5
Thursday
26th Mar
6

-2

11

4
Friday
27th Mar
12

-5

13

5

5-day weather forecast updated at 04:00 on Monday 23rd March 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 23rd March 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.

15
°C maximum temperature
1
°C minimum temperature
broken clouds
7
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
15
°C wind chill
16
kph wind from SW

Great Falls weather for Tuesday 24th March 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

11
°C maximum temperature
7
°C minimum temperature
broken clouds
3
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
11
°C wind chill
23
kph wind from SW

Great Falls weather for Wednesday 25th March 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 42 kph from the west.

16
°C maximum temperature
5
°C minimum temperature
scattered clouds
9
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
42
kph wind from W

Great Falls weather for Thursday 26th March 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 6°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the west.

6
°C maximum temperature
-2
°C minimum temperature
scattered clouds
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
2
°C wind chill
29
kph wind from W

Great Falls weather for Friday 27th March 2026

Expect clear skies in Great Falls, Montana with a maximum temperature of 12°C, maximum UV of 5 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.