West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 35°C. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Sunday
12th Jul
35

11

11

10
Monday
13th Jul
34

10

11

10
Tuesday
14th Jul
33

10

9

10
Wednesday
15th Jul
29

12

6

8
Thursday
16th Jul
31

10

12

10

5-day weather forecast updated at 04:03 on Sunday 12th 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 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 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

35
°C maximum temperature
11
°C minimum temperature
scattered clouds
11
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
23
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, high 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 13 kph from the south-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
H
high heat & humidity
13
kph wind from SW

West Yellowstone weather for Tuesday 14th July 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north-east.

33
°C maximum temperature
10
°C minimum temperature
scattered clouds
9
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from NE

West Yellowstone weather for Wednesday 15th July 2026

Expect isolated thunderstorms in West Yellowstone, Montana with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 44% chance of some rain and a light breeze of 10 kph from the north-east.

29
°C maximum temperature
12
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
44
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
10
kph wind from NE

West Yellowstone weather for Thursday 16th July 2026

Expect isolated thunderstorms in West Yellowstone, Montana with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 12 hours of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a light breeze of 10 kph from the south-west.