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.

Saturday
5th Sep
23

6

12

7
Sunday
6th Sep
24

6

11

7
Monday
7th Sep
16

5

1

2
Tuesday
8th Sep
17

1

6

7
Wednesday
9th Sep
21

1

12

5

5-day weather forecast updated at 04:03 on Saturday 5th September 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 Saturday 5th September 2026

Expect clear skies in West Yellowstone, Montana with a maximum temperature of 23°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.

23
°C maximum temperature
6
°C minimum temperature
clear skies
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from SW

West Yellowstone weather for Sunday 6th September 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 24°C, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.

24
°C maximum temperature
6
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
24
°C wind chill
18
kph wind from SW

West Yellowstone weather for Monday 7th September 2026

Expect cloudy with some rain in West Yellowstone, Montana with a maximum temperature of 16°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a moderate breeze of 26 kph from the south-west.

16
°C maximum temperature
5
°C minimum temperature
cloudy with some rain
1
hour of sunshine
2
UV index (Low)
76
% chance of some rain
<10
mm of rainfall expected
16
°C wind chill
26
kph wind from SW

West Yellowstone weather for Tuesday 8th September 2026

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 17°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

17
°C maximum temperature
1
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from SW

West Yellowstone weather for Wednesday 9th September 2026

Expect clear skies in West Yellowstone, Montana with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.