West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 18°C. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Thursday
7th May
18

2

11

6
Friday
8th May
18

0

6

7
Saturday
9th May
16

1

12

6
Sunday
10th May
20

-1

10

8
Monday
11th May
22

4

8

8

5-day weather forecast updated at 04:02 on Friday 8th 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 Thursday 7th May 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 18°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.

18
°C maximum temperature
2
°C minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
18
°C wind chill
13
kph wind from W

West Yellowstone weather for Friday 8th May 2026

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 18°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

18
°C maximum temperature
0
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
18
°C wind chill
14
kph wind from SW

West Yellowstone weather for Saturday 9th May 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 16°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.

16
°C maximum temperature
1
°C minimum temperature
scattered clouds
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from NW

West Yellowstone weather for Sunday 10th May 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 20°C, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

20
°C maximum temperature
-1
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
20
°C wind chill
15
kph wind from SW

West Yellowstone weather for Monday 11th May 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 22°C, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.