West Yellowstone weather live forecast

Today's maximum temperature in West Yellowstone is expected to be 28°C. Select a day from the live weather forecast for West Yellowstone, Montana, USA for more weather parameters.

Saturday
18th Jul
28

11

10

10
Sunday
19th Jul
28

11

11

10
Monday
20th Jul
29

9

12

11
Tuesday
21st Jul
28

11

7

9
Wednesday
22nd Jul
27

11

4

10

5-day weather forecast updated at 04:03 on Saturday 18th July 2026 GMT

More about West Yellowstone

West Yellowstone by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Montana

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Thursday 31st Dec 2026

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 Saturday 18th July 2026

Expect isolated thunderstorms in West Yellowstone, Montana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and little or no wind of 6 kph from the west.

28
°C maximum temperature
11
°C minimum temperature
isolated thunderstorms
10
hours of sunshine
10
UV index (Very High)
25
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
6
kph wind from W

West Yellowstone weather for Sunday 19th July 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 28°C, low 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 15 kph from the south-west.

28
°C maximum temperature
11
°C minimum temperature
scattered clouds
11
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
15
kph wind from SW

West Yellowstone weather for Monday 20th July 2026

Expect scattered clouds in West Yellowstone, Montana with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-east.

29
°C maximum temperature
9
°C minimum temperature
scattered clouds
12
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
L
low heat & humidity
11
kph wind from NE

West Yellowstone weather for Tuesday 21st July 2026

Expect isolated thunderstorms in West Yellowstone, Montana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 59% chance of some rain and a light breeze of 11 kph from the north-east.

28
°C maximum temperature
11
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
9
UV index (Very High)
59
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
11
kph wind from NE

West Yellowstone weather for Wednesday 22nd July 2026

Expect isolated thunderstorms in West Yellowstone, Montana with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 64% chance of some rain and a light breeze of 7 kph from the north-east.