West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 39°F. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Monday
15th Dec
39

19

6

1
Tuesday
16th Dec
37

30

2

1
Wednesday
17th Dec
37

19

3

1
Thursday
18th Dec
30

16

0

1
Friday
19th Dec
36

30

0

1

5-day weather forecast updated at 04:04 on Monday 15th December 2025 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 Monday 15th December 2025

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 39°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

39
°F maximum temperature
19
°F minimum temperature
scattered clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
32
°F wind chill
9
mph wind from SW

West Yellowstone weather for Tuesday 16th December 2025

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 37°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the south-west.

37
°F maximum temperature
30
°F minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
28
°F wind chill
14
mph wind from SW

West Yellowstone weather for Wednesday 17th December 2025

Expect cloudy with sleet or snow in West Yellowstone, Montana with a maximum temperature of 37°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 97% chance of some sleet or snow and a fresh breeze of 23 mph from the west.

37
°F maximum temperature
19
°F minimum temperature
cloudy with sleet or snow
3
hours of sunshine
1
UV index (Low)
97
% chance of some sleet or snow
<20
mm of sleet/snow expected
27
°F wind chill
23
mph wind from W

West Yellowstone weather for Thursday 18th December 2025

Expect overcast with light snow in West Yellowstone, Montana with a maximum temperature of 30°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 cm of snow expected with 99% chance of some snow and a moderate breeze of 13 mph from the south-west.

30
°F maximum temperature
16
°F minimum temperature
overcast with light snow
0
hours of sunshine
1
UV index (Low)
99
% chance of some snow
<5
cm of snow expected
19
°F wind chill
13
mph wind from SW

West Yellowstone weather for Friday 19th December 2025

Expect cloudy with sleet or snow in West Yellowstone, Montana with a maximum temperature of 36°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 89% chance of some sleet or snow and a fresh breeze of 19 mph from the south-west.