Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 17°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Saturday
28th Mar
17

3

0

2
Sunday
29th Mar
16

1

4

3
Monday
30th Mar
6

-5

1

4
Tuesday
31st Mar
6

-7

4

4
Wednesday
1st Apr
15

-2

9

3

5-day weather forecast updated at 04:00 on Saturday 28th 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 Saturday 28th March 2026

Expect overcast skies in Great Falls, Montana with a maximum temperature of 17°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.

17
°C maximum temperature
3
°C minimum temperature
overcast skies
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
24
kph wind from SW

Great Falls weather for Sunday 29th March 2026

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a fresh breeze of 29 kph from the west.

16
°C maximum temperature
1
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
3
UV index (Moderate)
46
% chance of some rain
<2
mm of rainfall expected
16
°C wind chill
29
kph wind from W

Great Falls weather for Monday 30th March 2026

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 6°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 26% chance of some rain and a fresh breeze of 35 kph from the west.

6
°C maximum temperature
-5
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
4
UV index (Moderate)
26
% chance of some rain
<2
mm of rainfall expected
1
°C wind chill
35
kph wind from W

Great Falls weather for Tuesday 31st March 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 6°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the east.

6
°C maximum temperature
-7
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
3
°C wind chill
17
kph wind from E

Great Falls weather for Wednesday 1st April 2026

Expect sunshine and showers in Great Falls, Montana with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a gentle breeze of 15 kph from the south.