West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 17°C. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Friday
8th May
17

-3

8

7
Saturday
9th May
15

3

8

5
Sunday
10th May
20

0

10

8
Monday
11th May
23

5

10

8
Tuesday
12th May
24

3

10

8

5-day weather forecast updated at 04:03 on Saturday 9th 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 Friday 8th May 2026

Expect sunshine and showers in West Yellowstone, Montana with a maximum temperature of 17°C, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 20-30 mm of rainfall expected with 2% chance of some rain and a gentle breeze of 14 kph from the south-west.

17
°C maximum temperature
-3
°C minimum temperature
sunshine and showers
8
hours of sunshine
7
UV index (High)
2
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
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 15°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-west.

15
°C maximum temperature
3
°C minimum temperature
scattered clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
9
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 14 kph from the south-west.

20
°C maximum temperature
0
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
20
°C wind chill
14
kph wind from SW

West Yellowstone weather for Monday 11th May 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 23°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 17 kph from the south-west.

23
°C maximum temperature
5
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from SW

West Yellowstone weather for Tuesday 12th May 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-west.