Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 6°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Thursday
23rd Apr
6

0

4

4
Friday
24th Apr
3

-3

1

4
Saturday
25th Apr
5

-3

1

5
Sunday
26th Apr
3

-3

5

2
Monday
27th Apr
9

-3

3

5

5-day weather forecast updated at 04:00 on Friday 24th 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 Thursday 23rd April 2026

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 6°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 25% chance of some rain and a fresh breeze of 33 kph from the north-west.

6
°C maximum temperature
0
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
4
UV index (Moderate)
25
% chance of some rain
<5
mm of rainfall expected
1
°C wind chill
33
kph wind from NW

Great Falls weather for Friday 24th April 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 3°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 35 kph from the north-west.

3
°C maximum temperature
-3
°C minimum temperature
broken clouds
1
hour of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
-3
°C wind chill
35
kph wind from NW

Great Falls weather for Saturday 25th April 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 5°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-east.

5
°C maximum temperature
-3
°C minimum temperature
broken clouds
1
hour of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
1
°C wind chill
21
kph wind from NE

Great Falls weather for Sunday 26th April 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 3°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north-east.

3
°C maximum temperature
-3
°C minimum temperature
broken clouds
5
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
-1
°C wind chill
22
kph wind from NE

Great Falls weather for Monday 27th April 2026

Expect broken clouds in Great Falls, Montana with a maximum temperature of 9°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-east.