West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 79°F. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Monday
24th Aug
79

43

9

8
Tuesday
25th Aug
81

45

9

7
Wednesday
26th Aug
81

45

9

7
Thursday
27th Aug
79

43

8

7
Friday
28th Aug
77

43

8

8

5-day weather forecast updated at 04:03 on Sunday 23rd August 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 Monday 24th August 2026

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 79°F, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

79
°F maximum temperature
43
°F minimum temperature
broken clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
79
°F wind chill
9
mph wind from SW

West Yellowstone weather for Tuesday 25th August 2026

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 81°F, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the west.

81
°F maximum temperature
45
°F minimum temperature
broken clouds
9
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
81
°F wind chill
6
mph wind from W

West Yellowstone weather for Wednesday 26th August 2026

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the west.

81
°F maximum temperature
45
°F minimum temperature
broken clouds
9
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
6
mph wind from W

West Yellowstone weather for Thursday 27th August 2026

Expect sunshine and showers in West Yellowstone, Montana with a maximum temperature of 79°F, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 43% chance of some rain and a light breeze of 7 mph from the south-west.

79
°F maximum temperature
43
°F minimum temperature
sunshine and showers
8
hours of sunshine
7
UV index (High)
43
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
7
mph wind from SW

West Yellowstone weather for Friday 28th August 2026

Expect isolated thunderstorms in West Yellowstone, Montana with a maximum temperature of 77°F, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 16% chance of some rain and a gentle breeze of 11 mph from the south-west.