Great Falls weather live forecast

Today's maximum temperature in Great Falls is expected to be 8°C. Select a day from the live weather forecast for Great Falls, Montana, USA for more weather parameters.

Thursday
12th Mar
8

-1

0

2
Friday
13th Mar
1

-6

0

2
Saturday
14th Mar
0

-10

0

2
Sunday
15th Mar
-1

-12

5

4
Monday
16th Mar
9

-6

2

3

5-day weather forecast updated at 04:00 on Thursday 12th 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 Thursday 12th March 2026

Expect mostly cloudy with light snow in Great Falls, Montana with a maximum temperature of 8°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0-2 cm of snow expected with 40% chance of some snow and a fresh gale of 66 kph from the west.

8
°C maximum temperature
-1
°C minimum temperature
mostly cloudy with light snow
0
hours of sunshine
2
UV index (Low)
40
% chance of some snow
<2
cm of snow expected
2
°C wind chill
66
kph wind from W

Great Falls weather for Friday 13th March 2026

Expect overcast with light snow in Great Falls, Montana with a maximum temperature of 1°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 cm of snow expected with 79% chance of some snow and a moderate breeze of 20 kph from the north-east.

1
°C maximum temperature
-6
°C minimum temperature
overcast with light snow
0
hours of sunshine
2
UV index (Low)
79
% chance of some snow
<5
cm of snow expected
-4
°C wind chill
20
kph wind from NE

Great Falls weather for Saturday 14th March 2026

Expect cloudy with some snow in Great Falls, Montana with a maximum temperature of 0°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 cm of snow expected with 98% chance of some snow and a moderate breeze of 27 kph from the north.

0
°C maximum temperature
-10
°C minimum temperature
cloudy with some snow
0
hours of sunshine
2
UV index (Low)
98
% chance of some snow
<10
cm of snow expected
-6
°C wind chill
27
kph wind from N

Great Falls weather for Sunday 15th March 2026

Expect mostly cloudy with light snow in Great Falls, Montana with a maximum temperature of -1°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 cm of snow expected with 14% chance of some snow and a gentle breeze of 16 kph from the south-west.

-1
°C maximum temperature
-12
°C minimum temperature
mostly cloudy with light snow
5
hours of sunshine
4
UV index (Moderate)
14
% chance of some snow
<2
cm of snow expected
-6
°C wind chill
16
kph wind from SW

Great Falls weather for Monday 16th March 2026

Expect mostly cloudy with light rain in Great Falls, Montana with a maximum temperature of 9°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a strong breeze of 41 kph from the south-west.