Weather Forecast for Yellowstone National Park
Wyoming, United States of America
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Current Weather - Yellowstone National Park: 11°C
Current Weather - Yellowstone National Park: 11°C
Wyoming, United States of America
Partly Cloudy
Feels like 10°C
Wind
5 km/h ESE
Humidity
79%
Pressure
1018 mb
UV Index
0
Visibility
10 km
Sunny
Sunday, July 19, 2026
High
28°C
Low
10°C
Rain Chance
2%
Hourly Forecast
25°C
26°C
27°C
28°C
28°C
28°C
28°C
27°C
26°C
23°C
17°C
13°C
13°C
Day Statistics
Maximum Wind
22 km/h
Humidity
47%
Precipitation
0 mm
UV Index
12
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
05:55 AM
Sunset
09:01 PM
Moonrise
12:15 PM
Moonset
11:39 PM
Moon Phase
First Quarter
Moon Illumination
33%
Air Quality
PM2.5
3.5
μg/m³
PM10
5
μg/m³
NO₂
3.1
μg/m³
O₃
83.8
μg/m³
SO₂
0.1
μg/m³
CO
93.1
μg/m³
Sunny
Monday, July 20, 2026
High
28°C
Low
10°C
Rain Chance
2%
Hourly Forecast
12°C
12°C
12°C
11°C
11°C
10°C
10°C
13°C
19°C
22°C
24°C
26°C
27°C
28°C
28°C
28°C
28°C
28°C
28°C
27°C
23°C
17°C
15°C
14°C
Day Statistics
Maximum Wind
11 km/h
Humidity
41%
Precipitation
0 mm
UV Index
10
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
05:56 AM
Sunset
09:00 PM
Moonrise
01:29 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
43%
Air Quality
PM2.5
4
μg/m³
PM10
5.4
μg/m³
NO₂
2.7
μg/m³
O₃
89.1
μg/m³
SO₂
0.2
μg/m³
CO
94.8
μg/m³
Patchy rain nearby
Tuesday, July 21, 2026
High
26°C
Low
10°C
Rain Chance
74%
Hourly Forecast
13°C
12°C
12°C
11°C
11°C
10°C
10°C
11°C
16°C
18°C
20°C
22°C
25°C
26°C
26°C
24°C
18°C
17°C
17°C
16°C
16°C
14°C
13°C
12°C
Day Statistics
Maximum Wind
18 km/h
Humidity
63%
Precipitation
10 mm
UV Index
10
Visibility
10 km
Rain Chance
74%
Snow Chance
0%
Sun & Moon
Sunrise
05:57 AM
Sunset
08:59 PM
Moonrise
02:42 PM
Moonset
12:00 AM
Moon Phase
First Quarter
Moon Illumination
53%
Air Quality
PM2.5
4.6
μg/m³
PM10
6.5
μg/m³
NO₂
2.8
μg/m³
O₃
89.1
μg/m³
SO₂
0.2
μg/m³
CO
102.5
μg/m³
Patchy rain nearby
Wednesday, July 22, 2026
High
23°C
Low
10°C
Rain Chance
80%
Hourly Forecast
11°C
11°C
11°C
10°C
10°C
10°C
10°C
13°C
16°C
18°C
19°C
21°C
22°C
23°C
22°C
23°C
23°C
21°C
15°C
15°C
14°C
13°C
13°C
12°C
Day Statistics
Maximum Wind
15 km/h
Humidity
78%
Precipitation
16 mm
UV Index
10
Visibility
10 km
Rain Chance
80%
Snow Chance
0%
Sun & Moon
Sunrise
05:58 AM
Sunset
08:58 PM
Moonrise
03:53 PM
Moonset
12:25 AM
Moon Phase
First Quarter
Moon Illumination
64%
Air Quality
PM2.5
3.7
μg/m³
PM10
4.9
μg/m³
NO₂
2.4
μg/m³
O₃
87.9
μg/m³
SO₂
0.1
μg/m³
CO
102.2
μg/m³
Patchy rain nearby
Thursday, July 23, 2026
High
22°C
Low
10°C
Rain Chance
57%
Hourly Forecast
12°C
11°C
10°C
12°C
12°C
12°C
11°C
13°C
14°C
16°C
15°C
14°C
20°C
21°C
21°C
22°C
22°C
21°C
21°C
19°C
16°C
14°C
13°C
13°C
Day Statistics
Maximum Wind
17 km/h
Humidity
73%
Precipitation
2 mm
UV Index
6
Visibility
9 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
05:59 AM
Sunset
08:57 PM
Moonrise
05:02 PM
Moonset
12:54 AM
Moon Phase
Waxing Gibbous
Moon Illumination
74%
Air Quality
PM2.5
4
μg/m³
PM10
4.8
μg/m³
NO₂
4.8
μg/m³
O₃
71.4
μg/m³
SO₂
0.1
μg/m³
CO
122
μg/m³
Sunny
Friday, July 24, 2026
High
26°C
Low
11°C
Rain Chance
63%
Hourly Forecast
12°C
12°C
11°C
11°C
11°C
11°C
11°C
14°C
17°C
20°C
22°C
24°C
26°C
22°C
18°C
14°C
15°C
16°C
16°C
15°C
14°C
12°C
12°C
11°C
Day Statistics
Maximum Wind
21 km/h
Humidity
69%
Precipitation
6 mm
UV Index
7
Visibility
10 km
Rain Chance
63%
Snow Chance
0%
Sun & Moon
Sunrise
06:00 AM
Sunset
08:56 PM
Moonrise
06:06 PM
Moonset
01:29 AM
Moon Phase
Waxing Gibbous
Moon Illumination
82%
Sunny
Saturday, July 25, 2026
High
26°C
Low
9°C
Rain Chance
2%
Hourly Forecast
11°C
11°C
11°C
10°C
10°C
10°C
9°C
13°C
16°C
19°C
21°C
23°C
24°C
25°C
25°C
26°C
26°C
26°C
26°C
23°C
20°C
17°C
15°C
13°C
Day Statistics
Maximum Wind
32 km/h
Humidity
50%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
06:01 AM
Sunset
08:55 PM
Moonrise
07:01 PM
Moonset
02:13 AM
Moon Phase
Waxing Gibbous
Moon Illumination
90%
Weather Alerts
Flood Watch issued July 18 at 2:37AM MDT until July 18 at 10:00PM MDT by NWS Riverton WY
* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of northwest Wyoming, including the following areas, Absaroka Mountains and Cody Foothills. * WHEN...From noon MDT today through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Heavy rain from slow moving thunderstorms may bring local flooding this afternoon and evening. - http://www.weather.gov/safety/flood
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Flood Watch issued July 18 at 9:50PM MDT until July 18 at 10:00PM MDT by NWS Riverton WY
The Flood Watch will expire for a portion of northwest Wyoming, including the following areas, Absaroka Mountains and Cody Foothills. The flooding threat has ended. Therefore, the Flood Watch will expire at 10 PM MDT this evening.
Severe Thunderstorm Watch issued July 18 at 3:46PM MDT until July 18 at 10:00PM MDT by NWS Billings MT
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 497 IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR THE FOLLOWING AREAS IN MONTANA THIS WATCH INCLUDES 3 COUNTIES IN CENTRAL MONTANA WHEATLAND IN SOUTH CENTRAL MONTANA PARK SWEET GRASS THIS INCLUDES THE CITIES OF BIG TIMBER, HARLOWTON, AND LIVINGSTON.
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