Weather Forecast for West Yellowstone
Montana, United States of America
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Current Weather - West Yellowstone: -3°C
Current Weather - West Yellowstone: -3°C
Montana, United States of America
Patchy rain nearby
Feels like -6°C
Wind
10 km/h NNE
Humidity
68%
Pressure
1015 mb
UV Index
0
Visibility
16 km
Patchy rain nearby
Tuesday, May 05, 2026
High
8°C
Low
-1°C
Rain Chance
83%
Hourly Forecast
8°C
8°C
8°C
7°C
5°C
4°C
2°C
1°C
-0°C
-1°C
Day Statistics
Maximum Wind
28 km/h
Humidity
61%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
83%
Snow Chance
0%
Sun & Moon
Sunrise
06:08 AM
Sunset
08:34 PM
Moonrise
12:11 AM
Moonset
08:11 AM
Moon Phase
Waning Gibbous
Moon Illumination
90%
Air Quality
PM2.5
6.1
μg/m³
PM10
8.1
μg/m³
NO₂
1.4
μg/m³
O₃
101
μg/m³
SO₂
1.1
μg/m³
CO
133.7
μg/m³
Patchy rain nearby
Wednesday, May 06, 2026
High
13°C
Low
-4°C
Rain Chance
89%
Hourly Forecast
-2°C
-2°C
-2°C
-3°C
-3°C
-3°C
-3°C
-1°C
1°C
3°C
6°C
8°C
10°C
11°C
12°C
13°C
13°C
13°C
12°C
10°C
7°C
5°C
4°C
4°C
Day Statistics
Maximum Wind
19 km/h
Humidity
55%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
06:07 AM
Sunset
08:35 PM
Moonrise
01:00 AM
Moonset
09:08 AM
Moon Phase
Waning Gibbous
Moon Illumination
84%
Air Quality
PM2.5
3.8
μg/m³
PM10
4.5
μg/m³
NO₂
1.3
μg/m³
O₃
108.5
μg/m³
SO₂
1.4
μg/m³
CO
133.7
μg/m³
Patchy rain nearby
Thursday, May 07, 2026
High
15°C
Low
2°C
Rain Chance
79%
Hourly Forecast
3°C
3°C
2°C
2°C
2°C
2°C
3°C
4°C
6°C
8°C
10°C
12°C
14°C
14°C
14°C
14°C
15°C
15°C
15°C
12°C
10°C
7°C
6°C
5°C
Day Statistics
Maximum Wind
18 km/h
Humidity
62%
Precipitation
1 mm
UV Index
8
Visibility
10 km
Rain Chance
79%
Snow Chance
0%
Sun & Moon
Sunrise
06:06 AM
Sunset
08:37 PM
Moonrise
01:41 AM
Moonset
10:11 AM
Moon Phase
Waning Gibbous
Moon Illumination
77%
Air Quality
PM2.5
5
μg/m³
PM10
8.5
μg/m³
NO₂
2.1
μg/m³
O₃
97
μg/m³
SO₂
1.2
μg/m³
CO
132.1
μg/m³
Patchy rain nearby
Friday, May 08, 2026
High
16°C
Low
2°C
Rain Chance
75%
Hourly Forecast
4°C
4°C
3°C
3°C
3°C
3°C
3°C
5°C
8°C
10°C
12°C
13°C
14°C
15°C
15°C
15°C
15°C
14°C
13°C
11°C
9°C
8°C
7°C
6°C
Day Statistics
Maximum Wind
21 km/h
Humidity
58%
Precipitation
0 mm
UV Index
0
Visibility
10 km
Rain Chance
75%
Snow Chance
0%
Sun & Moon
Sunrise
06:05 AM
Sunset
08:38 PM
Moonrise
02:12 AM
Moonset
11:18 AM
Moon Phase
Waning Gibbous
Moon Illumination
68%
Air Quality
PM2.5
3.7
μg/m³
PM10
6.9
μg/m³
NO₂
2
μg/m³
O₃
105.5
μg/m³
SO₂
0.9
μg/m³
CO
131
μg/m³
Patchy rain nearby
Saturday, May 09, 2026
High
8°C
Low
0°C
Rain Chance
87%
Hourly Forecast
5°C
4°C
5°C
3°C
1°C
3°C
3°C
3°C
3°C
5°C
6°C
6°C
6°C
6°C
7°C
7°C
7°C
7°C
6°C
5°C
3°C
2°C
1°C
0°C
Day Statistics
Maximum Wind
17 km/h
Humidity
73%
Precipitation
3 mm
UV Index
1
Visibility
9 km
Rain Chance
87%
Snow Chance
4%
Sun & Moon
Sunrise
06:03 AM
Sunset
08:39 PM
Moonrise
02:39 AM
Moonset
12:26 PM
Moon Phase
Last Quarter
Moon Illumination
59%
Air Quality
PM2.5
3.6
μg/m³
PM10
6.6
μg/m³
NO₂
3
μg/m³
O₃
99.2
μg/m³
SO₂
0.9
μg/m³
CO
133.2
μg/m³
Sunny
Sunday, May 10, 2026
High
14°C
Low
-2°C
Rain Chance
0%
Hourly Forecast
-0°C
-1°C
-1°C
-2°C
-2°C
-2°C
-1°C
1°C
4°C
5°C
7°C
9°C
10°C
12°C
13°C
13°C
14°C
14°C
12°C
10°C
8°C
7°C
6°C
5°C
Day Statistics
Maximum Wind
15 km/h
Humidity
67%
Precipitation
0 mm
UV Index
3
Visibility
9 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
06:02 AM
Sunset
08:40 PM
Moonrise
03:01 AM
Moonset
01:36 PM
Moon Phase
Waning Crescent
Moon Illumination
49%
Sunny
Monday, May 11, 2026
High
16°C
Low
1°C
Rain Chance
0%
Hourly Forecast
4°C
3°C
3°C
2°C
1°C
1°C
2°C
4°C
6°C
8°C
10°C
12°C
13°C
14°C
15°C
16°C
16°C
16°C
15°C
13°C
11°C
9°C
8°C
7°C
Day Statistics
Maximum Wind
17 km/h
Humidity
53%
Precipitation
0 mm
UV Index
3
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
06:01 AM
Sunset
08:41 PM
Moonrise
03:21 AM
Moonset
02:46 PM
Moon Phase
Waning Crescent
Moon Illumination
39%
Weather Alerts
Freeze Warning issued May 5 at 12:06AM MDT until May 6 at 9:00AM MDT by NWS Pocatello ID
* WHAT...Sub-freezing temperatures 25 to 32 expected. * WHERE...Arco/Mud Lake Desert and Upper Snake River Plain. * WHEN...From 3 AM to 9 AM MDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold.
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