West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be -2°C. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Thursday
18th Dec
-2

-10

0

1
Friday
19th Dec
2

-5

0

0
Saturday
20th Dec
-3

-12

5

1
Sunday
21st Dec
1

-7

0

0
Monday
22nd Dec
3

1

0

1

5-day weather forecast updated at 04:03 on Thursday 18th 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 Thursday 18th December 2025

Expect mostly cloudy with snow in West Yellowstone, Montana with a maximum temperature of -2°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 cm of snow expected with 100% chance of some snow and a moderate breeze of 25 kph from the south-west.

-2
°C maximum temperature
-10
°C minimum temperature
mostly cloudy with snow
0
hours of sunshine
1
UV index (Low)
100
% chance of some snow
<10
cm of snow expected
-9
°C wind chill
25
kph wind from SW

West Yellowstone weather for Friday 19th December 2025

Expect cloudy with some snow in West Yellowstone, Montana with a maximum temperature of 2°C and no hours of bright sunshine. There are 10-20 cm of snow expected with 98% chance of some snow and a fresh breeze of 35 kph from the south-west.

2
°C maximum temperature
-5
°C minimum temperature
cloudy with some snow
0
hours of sunshine
0
UV index (None)
98
% chance of some snow
<20
cm of snow expected
-4
°C wind chill
35
kph wind from SW

West Yellowstone weather for Saturday 20th December 2025

Expect clear skies with flurries of snow in West Yellowstone, Montana with a maximum temperature of -3°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 cm of snow expected with 28% chance of some snow and a gentle breeze of 19 kph from the south-west.

-3
°C maximum temperature
-12
°C minimum temperature
clear skies with flurries of snow
5
hours of sunshine
1
UV index (Low)
28
% chance of some snow
<2
cm of snow expected
-9
°C wind chill
19
kph wind from SW

West Yellowstone weather for Sunday 21st December 2025

Expect overcast with light snow in West Yellowstone, Montana with a maximum temperature of 1°C and no hours of bright sunshine. There are 2-5 cm of snow expected with 100% chance of some snow and a gentle breeze of 17 kph from the south-west.

1
°C maximum temperature
-7
°C minimum temperature
overcast with light snow
0
hours of sunshine
0
UV index (None)
100
% chance of some snow
<5
cm of snow expected
-4
°C wind chill
17
kph wind from SW

West Yellowstone weather for Monday 22nd December 2025

Expect cloudy with sleet or snow in West Yellowstone, Montana with a maximum temperature of 3°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 92% chance of some sleet or snow and a moderate breeze of 22 kph from the south-west.