Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 13°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Monday
13th Apr
13

5

5

2
Tuesday
14th Apr
13

3

12

5
Wednesday
15th Apr
13

4

1

5
Thursday
16th Apr
3

-3

1

2
Friday
17th Apr
5

-6

4

5

5-day weather forecast updated at 04:00 on Monday 13th 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 Monday 13th April 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 13°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the west.

13
°C maximum temperature
5
°C minimum temperature
broken clouds
5
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
27
kph wind from W

Great Falls weather for Tuesday 14th April 2026

Expect scattered clouds in Great Falls, Montana with a maximum temperature of 13°C, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 39 kph from the south-west.

13
°C maximum temperature
3
°C minimum temperature
scattered clouds
12
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
39
kph wind from SW

Great Falls weather for Wednesday 15th 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 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 66% chance of some rain and a fresh breeze of 33 kph from the south-west.

13
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
5
UV index (Moderate)
66
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
33
kph wind from SW

Great Falls weather for Thursday 16th 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 5-10 mm of sleet/snow expected with 48% chance of some sleet or snow and a fresh breeze of 30 kph from the north-west.

3
°C maximum temperature
-3
°C minimum temperature
cloudy with sleet or snow
1
hour of sunshine
2
UV index (Low)
48
% chance of some sleet or snow
<10
mm of sleet/snow expected
-2
°C wind chill
30
kph wind from NW

Great Falls weather for Friday 17th April 2026

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 5°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a moderate breeze of 21 kph from the south-west.