West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 23°C. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Wednesday
27th May
23

2

10

8
Thursday
28th May
25

4

11

9
Friday
29th May
24

4

9

8
Saturday
30th May
13

4

2

6
Sunday
31st May
15

2

12

8

5-day weather forecast updated at 04:02 on Wednesday 27th 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 Wednesday 27th May 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 23°C, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south.

23
°C maximum temperature
2
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
23
°C wind chill
11
kph wind from S

West Yellowstone weather for Thursday 28th May 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.

25
°C maximum temperature
4
°C minimum temperature
scattered clouds
11
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from S

West Yellowstone weather for Friday 29th May 2026

Expect isolated thunderstorms in West Yellowstone, Montana with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a gentle breeze of 14 kph from the south.

24
°C maximum temperature
4
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
8
UV index (Very High)
44
% chance of some rain
<2
mm of rainfall expected
24
°C wind chill
14
kph wind from S

West Yellowstone weather for Saturday 30th May 2026

Expect mostly cloudy with rain in West Yellowstone, Montana with a maximum temperature of 13°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 85% chance of some rain and a gentle breeze of 15 kph from the south-west.

13
°C maximum temperature
4
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
6
UV index (High)
85
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
15
kph wind from SW

West Yellowstone weather for Sunday 31st May 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 15°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.