West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 27°C. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Wednesday
5th Aug
27

4

14

8
Thursday
6th Aug
30

6

14

9
Friday
7th Aug
32

7

12

8
Saturday
8th Aug
31

8

10

8
Sunday
9th Aug
30

9

11

8

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

Expect clear skies in West Yellowstone, Montana with a maximum temperature of 27°C, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.

27
°C maximum temperature
4
°C minimum temperature
clear skies
14
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from SW

West Yellowstone weather for Thursday 6th August 2026

Expect clear skies in West Yellowstone, Montana with a maximum temperature of 30°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.

30
°C maximum temperature
6
°C minimum temperature
clear skies
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
17
kph wind from W

West Yellowstone weather for Friday 7th August 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.

32
°C maximum temperature
7
°C minimum temperature
scattered clouds
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from W

West Yellowstone weather for Saturday 8th August 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.

31
°C maximum temperature
8
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from W

West Yellowstone weather for Sunday 9th August 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the west.