West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 82°F. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Sunday
2nd Aug
82

39

15

9
Monday
3rd Aug
73

43

14

8
Tuesday
4th Aug
77

36

13

7
Wednesday
5th Aug
81

37

15

8
Thursday
6th Aug
86

41

14

9

5-day weather forecast updated at 04:03 on Monday 3rd August 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 Sunday 2nd August 2026

Expect clear skies in West Yellowstone, Montana with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the south-west.

82
°F maximum temperature
39
°F minimum temperature
clear skies
15
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
17
mph wind from SW

West Yellowstone weather for Monday 3rd August 2026

Expect clear skies in West Yellowstone, Montana with a maximum temperature of 73°F, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the north.

73
°F maximum temperature
43
°F minimum temperature
clear skies
14
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
6
mph wind from N

West Yellowstone weather for Tuesday 4th August 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 77°F, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the west.

77
°F maximum temperature
36
°F minimum temperature
scattered clouds
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
77
°F wind chill
7
mph wind from W

West Yellowstone weather for Wednesday 5th August 2026

Expect clear skies in West Yellowstone, Montana with a maximum temperature of 81°F, maximum UV of 8 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the west.

81
°F maximum temperature
37
°F minimum temperature
clear skies
15
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
81
°F wind chill
7
mph wind from W

West Yellowstone weather for Thursday 6th August 2026

Expect clear skies in West Yellowstone, Montana with a maximum temperature of 86°F, low 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 light breeze of 7 mph from the west.