West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 21°C. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Thursday
2nd Jul
21

7

9

8
Friday
3rd Jul
23

7

9

8
Saturday
4th Jul
25

7

14

10
Sunday
5th Jul
27

8

12

10
Monday
6th Jul
28

9

13

9

5-day weather forecast updated at 04:03 on Thursday 2nd July 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 Thursday 2nd July 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 21°C, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

21
°C maximum temperature
7
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from SW

West Yellowstone weather for Friday 3rd July 2026

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 23°C, maximum UV of 8 (Very High) and 9 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
7
°C minimum temperature
broken clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
23
°C wind chill
18
kph wind from SW

West Yellowstone weather for Saturday 4th July 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 25°C, maximum UV of 10 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

25
°C maximum temperature
7
°C minimum temperature
scattered clouds
14
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
19
kph wind from SW

West Yellowstone weather for Sunday 5th July 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 10 (Very 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.

27
°C maximum temperature
8
°C minimum temperature
scattered clouds
12
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
18
kph wind from SW

West Yellowstone weather for Monday 6th July 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.