West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 27°C. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Thursday
23rd Jul
27

11

9

9
Friday
24th Jul
30

10

10

9
Saturday
25th Jul
29

11

6

9
Sunday
26th Jul
30

10

9

10
Monday
27th Jul
30

10

12

9

5-day weather forecast updated at 04:03 on Thursday 23rd 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 Thursday 23rd July 2026

Expect isolated thunderstorms in West Yellowstone, Montana with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 45% chance of some rain and a light breeze of 7 kph from the south-west.

27
°C maximum temperature
11
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
9
UV index (Very High)
45
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
7
kph wind from SW

West Yellowstone weather for Friday 24th July 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 30°C, moderate 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 16 kph from the south-west.

30
°C maximum temperature
10
°C minimum temperature
scattered clouds
10
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from SW

West Yellowstone weather for Saturday 25th July 2026

Expect isolated thunderstorms in West Yellowstone, Montana with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 52% chance of some rain and a gentle breeze of 15 kph from the south-west.

29
°C maximum temperature
11
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
52
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
15
kph wind from SW

West Yellowstone weather for Sunday 26th July 2026

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 30°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 gentle breeze of 18 kph from the south-west.

30
°C maximum temperature
10
°C minimum temperature
broken clouds
9
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
18
kph wind from SW

West Yellowstone weather for Monday 27th July 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 30°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.