West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 22°C. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Monday
31st Aug
22

3

12

7
Tuesday
1st Sep
20

7

5

4
Wednesday
2nd Sep
20

7

9

6
Thursday
3rd Sep
17

4

5

7
Friday
4th Sep
22

3

5

7

5-day weather forecast updated at 04:03 on Monday 31st 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 Monday 31st August 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 22°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

22
°C maximum temperature
3
°C minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
22
°C wind chill
14
kph wind from SW

West Yellowstone weather for Tuesday 1st September 2026

Expect isolated thunderstorms in West Yellowstone, Montana with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 57% chance of some rain and a light breeze of 12 kph from the south-west.

20
°C maximum temperature
7
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
4
UV index (Moderate)
57
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
12
kph wind from SW

West Yellowstone weather for Wednesday 2nd September 2026

Expect sunshine and showers in West Yellowstone, Montana with a maximum temperature of 20°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 14% chance of some rain and a moderate breeze of 27 kph from the south-west.

20
°C maximum temperature
7
°C minimum temperature
sunshine and showers
9
hours of sunshine
6
UV index (High)
14
% chance of some rain
<2
mm of rainfall expected
20
°C wind chill
27
kph wind from SW

West Yellowstone weather for Thursday 3rd September 2026

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 17°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.

17
°C maximum temperature
4
°C minimum temperature
broken clouds
5
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
24
kph wind from SW

West Yellowstone weather for Friday 4th September 2026

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 22°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-west.