Montana weather live forecast

Today's maximum temperature in Montana is expected to be 10°C. Select a day from the live weather forecast for Montana (Helena), USA for more weather parameters.

Tuesday
16th Dec
10

3

6

1
Wednesday
17th Dec
6

-2

6

1
Thursday
18th Dec
3

-4

0

1
Friday
19th Dec
5

1

1

1
Saturday
20th Dec
3

-2

7

1

5-day weather forecast updated at 04:01 on Tuesday 16th December 2025 GMT

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The 5-day weather forecast for Montana (Helena) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

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Below are temperatures expected today at popular countries, regions and places in Montana. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

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Montana weather forecast by day

Below are the detailed weather forecasts for Montana for the next 5 days. The forecasts shown are for Helena and may not represent the whole of Montana. Browse more destinations in Montana to view more weather forecasts.

Montana weather for Tuesday 16th December 2025

Expect sunshine and showers in Montana with a maximum temperature of 10°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 19% chance of some rain and a moderate breeze of 24 kph from the west.

10
°C maximum temperature
3
°C minimum temperature
sunshine and showers
6
hours of sunshine
1
UV index (Low)
19
% chance of some rain
<5
mm of rainfall expected
7
°C wind chill
24
kph wind from W

Montana weather for Wednesday 17th December 2025

Expect sunshine and showers in Montana with a maximum temperature of 6°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 54% chance of some rain and a strong breeze of 43 kph from the west.

6
°C maximum temperature
-2
°C minimum temperature
sunshine and showers
6
hours of sunshine
1
UV index (Low)
54
% chance of some rain
<5
mm of rainfall expected
1
°C wind chill
43
kph wind from W

Montana weather for Thursday 18th December 2025

Expect cloudy with sleet or snow in Montana with a maximum temperature of 3°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 36% chance of some sleet or snow and a gentle breeze of 15 kph from the south.

3
°C maximum temperature
-4
°C minimum temperature
cloudy with sleet or snow
0
hours of sunshine
1
UV index (Low)
36
% chance of some sleet or snow
<2
mm of sleet/snow expected
-1
°C wind chill
15
kph wind from S

Montana weather for Friday 19th December 2025

Expect mostly cloudy with rain in Montana with a maximum temperature of 5°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 51% chance of some rain and a gentle breeze of 15 kph from the west.

5
°C maximum temperature
1
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
1
UV index (Low)
51
% chance of some rain
<10
mm of rainfall expected
2
°C wind chill
15
kph wind from W

Montana weather for Saturday 20th December 2025

Expect cloudy with sleet or snow in Montana with a maximum temperature of 3°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 17% chance of some sleet or snow and a gentle breeze of 15 kph from the south-west.