West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 15°C. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Friday
22nd May
15

-5

4

UV5
Saturday
23rd May
19

0

6

UV7
Sunday
24th May
22

1

11

UV8
Monday
25th May
23

3

9

UV8
Tuesday
26th May
18

5

2

UV8

5-day weather forecast updated at 04:02 on Friday 22nd May 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 22nd May 2026

Expect broken clouds in West Yellowstone, Montana with a maximum temperature of 15°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

15
°C maximum temperature
-5
°C minimum temperature
broken clouds
4
hours of sunshine
UV5
UV index (Moderate)
0
mm of rainfall expected
15
°C wind chill
13
kph wind from SW

West Yellowstone weather for Saturday 23rd May 2026

Expect sunshine and showers in West Yellowstone, Montana with a maximum temperature of 19°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 10% chance of some rain and a gentle breeze of 18 kph from the south-west.

19
°C maximum temperature
0
°C minimum temperature
sunshine and showers
6
hours of sunshine
UV7
UV index (High)
10
% chance of some rain
<2
mm of rainfall expected
19
°C wind chill
18
kph wind from SW

West Yellowstone weather for Sunday 24th May 2026

Expect sunshine and showers in West Yellowstone, Montana with a maximum temperature of 22°C, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a moderate breeze of 21 kph from the south-west.

22
°C maximum temperature
1
°C minimum temperature
sunshine and showers
11
hours of sunshine
UV8
UV index (Very High)
44
% chance of some rain
<2
mm of rainfall expected
22
°C wind chill
21
kph wind from SW

West Yellowstone weather for Monday 25th May 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 23°C, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.

23
°C maximum temperature
3
°C minimum temperature
scattered clouds
9
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
23
°C wind chill
24
kph wind from SW

West Yellowstone weather for Tuesday 26th May 2026

Expect isolated thunderstorms in West Yellowstone, Montana with a maximum temperature of 18°C, maximum UV of 8 (Very High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 49% chance of some rain and a moderate breeze of 24 kph from the south.