West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 29°C. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Friday
10th Jul
29

7

14

10
Saturday
11th Jul
32

8

15

11
Sunday
12th Jul
35

8

12

10
Monday
13th Jul
34

10

11

10
Tuesday
14th Jul
31

11

7

10

5-day weather forecast updated at 04:03 on Friday 10th 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 Friday 10th July 2026

Expect clear skies in West Yellowstone, Montana with a maximum temperature of 29°C, 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 gentle breeze of 19 kph from the south-west.

29
°C maximum temperature
7
°C minimum temperature
clear skies
14
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
19
kph wind from SW

West Yellowstone weather for Saturday 11th July 2026

Expect clear skies in West Yellowstone, Montana with a maximum temperature of 32°C, 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 24 kph from the south-west.

32
°C maximum temperature
8
°C minimum temperature
clear skies
15
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
24
kph wind from SW

West Yellowstone weather for Sunday 12th July 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-west.

35
°C maximum temperature
8
°C minimum temperature
scattered clouds
12
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
25
kph wind from SW

West Yellowstone weather for Monday 13th July 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 34°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.

34
°C maximum temperature
10
°C minimum temperature
scattered clouds
11
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from W

West Yellowstone weather for Tuesday 14th July 2026

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.