West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 9°C. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Sunday
28th Jun
9

2

1

2
Monday
29th Jun
10

0

0

3
Tuesday
30th Jun
17

2

2

7
Wednesday
1st Jul
20

3

9

8
Thursday
2nd Jul
22

4

8

8

5-day weather forecast updated at 04:03 on Sunday 28th June 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 Sunday 28th June 2026

Expect cloudy with sleet or snow in West Yellowstone, Montana with a maximum temperature of 9°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of sleet/snow expected with 77% chance of some sleet or snow and a moderate breeze of 20 kph from the south-west.

9
°C maximum temperature
2
°C minimum temperature
cloudy with sleet or snow
1
hour of sunshine
2
UV index (Low)
77
% chance of some sleet or snow
<5
mm of sleet/snow expected
6
°C wind chill
20
kph wind from SW

West Yellowstone weather for Monday 29th June 2026

Expect cloudy with sleet or snow in West Yellowstone, Montana with a maximum temperature of 10°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 94% chance of some sleet or snow and a moderate breeze of 26 kph from the south-west.

10
°C maximum temperature
0
°C minimum temperature
cloudy with sleet or snow
0
hours of sunshine
3
UV index (Moderate)
94
% chance of some sleet or snow
<20
mm of sleet/snow expected
7
°C wind chill
26
kph wind from SW

West Yellowstone weather for Tuesday 30th June 2026

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 17°C, maximum UV of 7 (High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.

17
°C maximum temperature
2
°C minimum temperature
broken clouds
2
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from SW

West Yellowstone weather for Wednesday 1st July 2026

Expect isolated thunderstorms in West Yellowstone, Montana with a maximum temperature of 20°C, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a moderate breeze of 25 kph from the south-west.

20
°C maximum temperature
3
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
8
UV index (Very High)
44
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
25
kph wind from SW

West Yellowstone weather for Thursday 2nd July 2026

Expect broken 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 moderate breeze of 24 kph from the south-west.