West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 57°F. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Friday
22nd May
57

18

9

UV5
Saturday
23rd May
64

32

6

UV7
Sunday
24th May
70

36

10

UV8
Monday
25th May
72

39

9

UV8
Tuesday
26th May
68

39

4

UV7

5-day weather forecast updated at 04:02 on Saturday 23rd May 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 Friday 22nd May 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 57°F, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

57
°F maximum temperature
18
°F minimum temperature
scattered clouds
9
hours of sunshine
UV5
UV index (Moderate)
0
mm of rainfall expected
57
°F wind chill
9
mph wind from SW

West Yellowstone weather for Saturday 23rd May 2026

Expect mostly cloudy with light rain in West Yellowstone, Montana with a maximum temperature of 64°F, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a gentle breeze of 12 mph from the south-west.

64
°F maximum temperature
32
°F minimum temperature
mostly cloudy with light rain
6
hours of sunshine
UV7
UV index (High)
19
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
12
mph wind from SW

West Yellowstone weather for Sunday 24th May 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 70°F, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the south-west.

70
°F maximum temperature
36
°F minimum temperature
scattered clouds
10
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
12
mph wind from SW

West Yellowstone weather for Monday 25th May 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 72°F, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the south-west.

72
°F maximum temperature
39
°F minimum temperature
scattered clouds
9
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
13
mph wind from SW

West Yellowstone weather for Tuesday 26th May 2026

Expect mostly cloudy with light rain in West Yellowstone, Montana with a maximum temperature of 68°F, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 58% chance of some rain and a moderate breeze of 14 mph from the south.