West Yellowstone weather live forecast

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

Thursday
30th Jul
30

8

10

8
Friday
31st Jul
31

9

10

8
Saturday
1st Aug
33

9

14

9
Sunday
2nd Aug
31

11

12

9
Monday
3rd Aug
26

8

14

9

5-day weather forecast updated at 04:03 on Thursday 30th July 2026 GMT

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

West Yellowstone weather forecast by day

Below are the detailed weather forecasts for West Yellowstone for the next 5 days.

West Yellowstone weather for Thursday 30th July 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-west.

30
°C maximum temperature
8
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from SW

West Yellowstone weather for Friday 31st July 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the west.

31
°C maximum temperature
9
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from W

West Yellowstone weather for Saturday 1st August 2026

Expect clear skies in West Yellowstone, Montana with a maximum temperature of 33°C, moderate 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 20 kph from the south-west.

33
°C maximum temperature
9
°C minimum temperature
clear skies
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from SW

West Yellowstone weather for Sunday 2nd August 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the south-west.

31
°C maximum temperature
11
°C minimum temperature
scattered clouds
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
27
kph wind from SW

West Yellowstone weather for Monday 3rd August 2026

Expect clear skies in West Yellowstone, Montana with a maximum temperature of 26°C, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.