Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 3°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Sunday
26th Apr
3

-4

1

2
Monday
27th Apr
8

-5

4

4
Tuesday
28th Apr
13

-1

4

5
Wednesday
29th Apr
14

2

6

6
Thursday
30th Apr
15

-1

13

6

5-day weather forecast updated at 04:00 on Sunday 26th April 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 Sunday 26th April 2026

Expect cloudy with sleet or snow in Great Falls, Montana with a maximum temperature of 3°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of sleet/snow expected with 36% chance of some sleet or snow and a moderate breeze of 26 kph from the north-east.

3
°C maximum temperature
-4
°C minimum temperature
cloudy with sleet or snow
1
hour of sunshine
2
UV index (Low)
36
% chance of some sleet or snow
<5
mm of sleet/snow expected
-3
°C wind chill
26
kph wind from NE

Great Falls weather for Monday 27th April 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 8°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-east.

8
°C maximum temperature
-5
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
5
°C wind chill
20
kph wind from NE

Great Falls weather for Tuesday 28th April 2026

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 13°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a moderate breeze of 23 kph from the west.

13
°C maximum temperature
-1
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
5
UV index (Moderate)
34
% chance of some rain
<2
mm of rainfall expected
13
°C wind chill
23
kph wind from W

Great Falls weather for Wednesday 29th April 2026

Expect sunshine and showers in Great Falls, Montana with a maximum temperature of 14°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 22% chance of some rain and a gentle breeze of 18 kph from the north.

14
°C maximum temperature
2
°C minimum temperature
sunshine and showers
6
hours of sunshine
6
UV index (High)
22
% chance of some rain
<2
mm of rainfall expected
14
°C wind chill
18
kph wind from N

Great Falls weather for Thursday 30th April 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 15°C, maximum UV of 6 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.