Weather Forecast for West Yellowstone
Montana, United States of America
Share this weather forecast
Current Weather - West Yellowstone: 28°C
Current Weather - West Yellowstone: 28°C
Montana, United States of America
Sunny
Feels like 27°C
Wind
22 km/h SW
Humidity
35%
Pressure
1025 mb
UV Index
10
Visibility
16 km
Sunny
Saturday, July 25, 2026
High
30°C
Low
13°C
Rain Chance
36%
Hourly Forecast
13°C
13°C
Day Statistics
Maximum Wind
27 km/h
Humidity
49%
Precipitation
1 mm
UV Index
10
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
06:03 AM
Sunset
08:58 PM
Moonrise
07:05 PM
Moonset
02:14 AM
Moon Phase
Waxing Gibbous
Moon Illumination
90%
Air Quality
PM2.5
3.3
μg/m³
PM10
5.2
μg/m³
NO₂
3
μg/m³
O₃
86.8
μg/m³
SO₂
0.2
μg/m³
CO
98.7
μg/m³
Sunny
Sunday, July 26, 2026
High
30°C
Low
11°C
Rain Chance
2%
Hourly Forecast
12°C
12°C
12°C
12°C
12°C
11°C
11°C
12°C
17°C
21°C
24°C
26°C
28°C
29°C
30°C
30°C
30°C
30°C
29°C
28°C
22°C
18°C
17°C
16°C
Day Statistics
Maximum Wind
21 km/h
Humidity
47%
Precipitation
0 mm
UV Index
11
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
06:04 AM
Sunset
08:57 PM
Moonrise
07:51 PM
Moonset
03:06 AM
Moon Phase
Waxing Gibbous
Moon Illumination
95%
Air Quality
PM2.5
3
μg/m³
PM10
5.7
μg/m³
NO₂
3.4
μg/m³
O₃
90.7
μg/m³
SO₂
0.2
μg/m³
CO
97.5
μg/m³
Sunny
Monday, July 27, 2026
High
29°C
Low
14°C
Rain Chance
17%
Hourly Forecast
16°C
16°C
15°C
15°C
14°C
14°C
14°C
14°C
17°C
22°C
25°C
27°C
28°C
29°C
27°C
27°C
29°C
29°C
26°C
23°C
20°C
18°C
18°C
17°C
Day Statistics
Maximum Wind
20 km/h
Humidity
35%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
06:05 AM
Sunset
08:56 PM
Moonrise
08:27 PM
Moonset
04:06 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
4.6
μg/m³
PM10
8.6
μg/m³
NO₂
3.8
μg/m³
O₃
91.5
μg/m³
SO₂
0.4
μg/m³
CO
102.3
μg/m³
Sunny
Tuesday, July 28, 2026
High
30°C
Low
13°C
Rain Chance
2%
Hourly Forecast
16°C
15°C
16°C
15°C
14°C
13°C
13°C
14°C
19°C
23°C
25°C
27°C
28°C
29°C
30°C
30°C
30°C
30°C
29°C
28°C
22°C
18°C
17°C
15°C
Day Statistics
Maximum Wind
19 km/h
Humidity
29%
Precipitation
0 mm
UV Index
10
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
06:06 AM
Sunset
08:55 PM
Moonrise
08:56 PM
Moonset
05:10 AM
Moon Phase
Full Moon
Moon Illumination
100%
Air Quality
PM2.5
5.1
μg/m³
PM10
8.6
μg/m³
NO₂
4.2
μg/m³
O₃
90.9
μg/m³
SO₂
0.4
μg/m³
CO
99.2
μg/m³
Sunny
Wednesday, July 29, 2026
High
31°C
Low
12°C
Rain Chance
1%
Hourly Forecast
15°C
15°C
14°C
14°C
13°C
13°C
12°C
13°C
19°C
22°C
25°C
26°C
28°C
29°C
30°C
31°C
30°C
30°C
29°C
28°C
22°C
20°C
18°C
17°C
Day Statistics
Maximum Wind
20 km/h
Humidity
30%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
06:07 AM
Sunset
08:54 PM
Moonrise
09:20 PM
Moonset
06:16 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
6.1
μg/m³
PM10
12.3
μg/m³
NO₂
9.3
μg/m³
O₃
69.7
μg/m³
SO₂
0.4
μg/m³
CO
118
μg/m³
Sunny
Thursday, July 30, 2026
High
31°C
Low
11°C
Rain Chance
1%
Hourly Forecast
15°C
14°C
13°C
12°C
12°C
11°C
11°C
14°C
18°C
22°C
24°C
26°C
28°C
29°C
30°C
31°C
30°C
30°C
30°C
26°C
22°C
19°C
18°C
17°C
Day Statistics
Maximum Wind
11 km/h
Humidity
33%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
06:08 AM
Sunset
08:53 PM
Moonrise
09:40 PM
Moonset
07:21 AM
Moon Phase
Waning Gibbous
Moon Illumination
96%
Sunny
Friday, July 31, 2026
High
31°C
Low
12°C
Rain Chance
1%
Hourly Forecast
15°C
15°C
14°C
14°C
13°C
13°C
12°C
16°C
20°C
24°C
26°C
28°C
31°C
31°C
31°C
31°C
29°C
28°C
27°C
24°C
21°C
18°C
16°C
15°C
Day Statistics
Maximum Wind
11 km/h
Humidity
30%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
06:09 AM
Sunset
08:51 PM
Moonrise
09:58 PM
Moonset
08:26 AM
Moon Phase
Waning Gibbous
Moon Illumination
91%
Solar Radiation Data
Shortwave Radiation
882.2
Diffuse Radiation
211.87
DNI
0
GTI
0
Weather Alerts
Heat Advisory issued July 25 at 5:19AM MDT until July 26 at 9:00PM MDT by NWS Riverton WY
* WHAT...Very hot conditions with high temperatures from 95 to 102 degrees. * WHERE...Lower elevations of central and north-central Wyoming, east of the continental divide. * WHEN...From noon today to 9 PM MDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or late evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued July 25 at 12:48PM MDT until July 26 at 9:00PM MDT by NWS Riverton WY
* WHAT...Very hot conditions with high temperatures from 95 to 102 degrees. * WHERE...Lower elevations of central and north-central Wyoming, east of the Continental Divide. * WHEN...Until 9 PM MDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Some locations will not see temperatures fall below 90 degrees until sunset. Temperatures at midnight will still be 75 to 80 degrees. Overnight low temperatures eventually bottom-out in the mid to upper 60s.
Drink plenty of hydrating fluids, stay in an air-conditioned room, stay out of the sun, and check on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or late evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued July 24 at 9:39PM MDT until July 26 at 9:00PM MDT by NWS Billings MT
* WHAT...Hot conditions with high temperatures of 90 to 100. Saturday is expected to be the hottest day. * WHERE...Portions of central and south central Montana. * WHEN...Until 9 PM MDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Hot daytime temperatures combined with warm overnight low temperatures will produce cumulative heat stress. This heat stress will become dangerous to anyone without adequate cooling and hydration.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Heat Advisory issued July 25 at 2:26AM MDT until July 26 at 9:00PM MDT by NWS Billings MT
* WHAT...Hot conditions with high temperatures of 90 to 100. Today is expected to be the hottest day. * WHERE...Portions of central and south central Montana. * WHEN...Until 9 PM MDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Hot daytime temperatures combined with warm overnight low temperatures will produce cumulative heat stress. This heat stress will become dangerous to anyone without adequate cooling and hydration.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Heat Advisory issued July 25 at 10:52AM MDT until July 26 at 9:00PM MDT by NWS Billings MT
* WHAT...Hot conditions with high temperatures of 90 to 100. Today is expected to be the hottest day. * WHERE...Portions of central and south central Montana. * WHEN...Until 9 PM MDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Hot daytime temperatures combined with warm overnight low temperatures will produce cumulative heat stress. This heat stress will become dangerous to anyone without adequate cooling and hydration.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Your guide to the flawless travel experience
Popular Countries
Get our app
