West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 82°F. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Wednesday
8th Jul
82

45

10

9
Thursday
9th Jul
82

46

7

9
Friday
10th Jul
82

46

14

10
Saturday
11th Jul
88

48

15

11
Sunday
12th Jul
93

50

15

10

5-day weather forecast updated at 04:03 on Wednesday 8th July 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 Wednesday 8th July 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the west.

82
°F maximum temperature
45
°F minimum temperature
scattered clouds
10
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
9
mph wind from W

West Yellowstone weather for Thursday 9th July 2026

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south-west.

82
°F maximum temperature
46
°F minimum temperature
broken clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
11
mph wind from SW

West Yellowstone weather for Friday 10th July 2026

Expect clear skies in West Yellowstone, Montana with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 10 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the south-west.

82
°F maximum temperature
46
°F minimum temperature
clear skies
14
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
12
mph wind from SW

West Yellowstone weather for Saturday 11th July 2026

Expect clear skies in West Yellowstone, Montana with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 15 mph from the south-west.

88
°F maximum temperature
48
°F minimum temperature
clear skies
15
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
15
mph wind from SW

West Yellowstone weather for Sunday 12th July 2026

Expect clear skies in West Yellowstone, Montana with a maximum temperature of 93°F, high levels of heat & humidity, maximum UV of 10 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 15 mph from the south-west.