Montana weather live forecast

Today's maximum temperature in Montana is expected to be 30°C. Select a day from the live weather forecast for Montana (Helena), USA for more weather parameters.

Thursday
16th Jul
30

17

9

9
Friday
17th Jul
33

17

9

9
Saturday
18th Jul
34

18

13

10
Sunday
19th Jul
34

17

14

9
Monday
20th Jul
29

15

11

10

5-day weather forecast updated at 04:00 on Friday 17th July 2026 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.

Top Montana destinations

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 Thursday 16th July 2026

Expect isolated thunderstorms in Montana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 50% chance of some rain and a light breeze of 12 kph from the north-east.

30
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
9
UV index (Very High)
50
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from NE

Montana weather for Friday 17th July 2026

Expect isolated thunderstorms in Montana with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 60% chance of some rain and a gentle breeze of 13 kph from the west.

33
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
9
UV index (Very High)
60
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
13
kph wind from W

Montana weather for Saturday 18th July 2026

Expect scattered clouds in Montana with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 10 (Very 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.

34
°C maximum temperature
18
°C minimum temperature
scattered clouds
13
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
14
kph wind from SW

Montana weather for Sunday 19th July 2026

Expect scattered clouds in Montana with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the west.

34
°C maximum temperature
17
°C minimum temperature
scattered clouds
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
21
kph wind from W

Montana weather for Monday 20th July 2026

Expect scattered clouds in Montana with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north.