West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 10°C. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Thursday
21st May
10

-1

6

UV7
Friday
22nd May
15

-6

6

UV7
Saturday
23rd May
19

-2

7

UV7
Sunday
24th May
23

1

7

UV7
Monday
25th May
21

5

9

UV7

5-day weather forecast updated at 04:02 on Thursday 21st 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 21st May 2026

Expect cloudy with sleet or snow in West Yellowstone, Montana with a maximum temperature of 10°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 51% chance of some sleet or snow and a moderate breeze of 20 kph from the north.

10
°C maximum temperature
-1
°C minimum temperature
cloudy with sleet or snow
6
hours of sunshine
UV7
UV index (High)
51
% chance of some sleet or snow
<5
mm of sleet/snow expected
0
no heat & humidity
20
kph wind from N

West Yellowstone weather for Friday 22nd May 2026

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 15°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

15
°C maximum temperature
-6
°C minimum temperature
broken clouds
6
hours of sunshine
UV7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from SW

West Yellowstone weather for Saturday 23rd May 2026

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 19°C, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

19
°C maximum temperature
-2
°C minimum temperature
broken clouds
7
hours of sunshine
UV7
UV index (High)
0
mm of rainfall expected
19
°C wind chill
19
kph wind from SW

West Yellowstone weather for Sunday 24th May 2026

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 23°C, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

23
°C maximum temperature
1
°C minimum temperature
broken clouds
7
hours of sunshine
UV7
UV index (High)
0
mm of rainfall expected
23
°C wind chill
23
kph wind from SW

West Yellowstone weather for Monday 25th May 2026

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 21°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the south-west.