Weather Forecast for Yellowstone National Park
Wyoming, United States of America
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Current Weather - Yellowstone National Park: 4°C
Current Weather - Yellowstone National Park: 4°C
Wyoming, United States of America
Clear
Feels like 3°C
Wind
6 km/h SSW
Humidity
76%
Pressure
1024 mb
UV Index
0
Visibility
10 km
Sunny
Tuesday, June 16, 2026
High
21°C
Low
4°C
Rain Chance
2%
Hourly Forecast
19°C
19°C
20°C
20°C
21°C
21°C
19°C
17°C
15°C
13°C
12°C
Day Statistics
Maximum Wind
35 km/h
Humidity
46%
Precipitation
0 mm
UV Index
11
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
05:37 AM
Sunset
09:08 PM
Moonrise
06:36 AM
Moonset
11:04 PM
Moon Phase
Waxing Crescent
Moon Illumination
6%
Air Quality
PM2.5
2.5
μg/m³
PM10
4.9
μg/m³
NO₂
1.3
μg/m³
O₃
93.2
μg/m³
SO₂
0.1
μg/m³
CO
98.3
μg/m³
Sunny
Wednesday, June 17, 2026
High
17°C
Low
2°C
Rain Chance
1%
Hourly Forecast
10°C
9°C
8°C
6°C
5°C
3°C
5°C
8°C
9°C
11°C
12°C
14°C
15°C
16°C
17°C
17°C
17°C
17°C
16°C
15°C
12°C
9°C
7°C
6°C
Day Statistics
Maximum Wind
28 km/h
Humidity
43%
Precipitation
0 mm
UV Index
11
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
05:37 AM
Sunset
09:09 PM
Moonrise
07:58 AM
Moonset
11:41 PM
Moon Phase
Waxing Crescent
Moon Illumination
11%
Air Quality
PM2.5
1.7
μg/m³
PM10
2.1
μg/m³
NO₂
0.6
μg/m³
O₃
105.4
μg/m³
SO₂
0.2
μg/m³
CO
101.3
μg/m³
Sunny
Thursday, June 18, 2026
High
20°C
Low
1°C
Rain Chance
2%
Hourly Forecast
4°C
3°C
2°C
2°C
1°C
1°C
3°C
6°C
9°C
11°C
13°C
14°C
16°C
17°C
18°C
19°C
19°C
19°C
18°C
17°C
13°C
11°C
10°C
9°C
Day Statistics
Maximum Wind
20 km/h
Humidity
50%
Precipitation
0 mm
UV Index
11
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
05:37 AM
Sunset
09:09 PM
Moonrise
09:22 AM
Moonset
Does not set today
Moon Phase
Waxing Crescent
Moon Illumination
19%
Air Quality
PM2.5
1.7
μg/m³
PM10
2.2
μg/m³
NO₂
1.1
μg/m³
O₃
103.9
μg/m³
SO₂
0.2
μg/m³
CO
98.5
μg/m³
Sunny
Friday, June 19, 2026
High
23°C
Low
6°C
Rain Chance
2%
Hourly Forecast
8°C
8°C
7°C
7°C
6°C
6°C
7°C
10°C
13°C
16°C
18°C
19°C
21°C
22°C
22°C
23°C
23°C
22°C
22°C
20°C
16°C
14°C
13°C
11°C
Day Statistics
Maximum Wind
21 km/h
Humidity
38%
Precipitation
0 mm
UV Index
10
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
05:37 AM
Sunset
09:09 PM
Moonrise
10:44 AM
Moonset
12:11 AM
Moon Phase
Waxing Crescent
Moon Illumination
28%
Air Quality
PM2.5
1.8
μg/m³
PM10
3.6
μg/m³
NO₂
1.4
μg/m³
O₃
106.7
μg/m³
SO₂
0.2
μg/m³
CO
101.2
μg/m³
Patchy rain nearby
Saturday, June 20, 2026
High
19°C
Low
6°C
Rain Chance
65%
Hourly Forecast
11°C
10°C
9°C
9°C
9°C
7°C
9°C
11°C
12°C
15°C
17°C
16°C
15°C
15°C
15°C
14°C
13°C
11°C
10°C
10°C
9°C
8°C
7°C
6°C
Day Statistics
Maximum Wind
25 km/h
Humidity
63%
Precipitation
5 mm
UV Index
0
Visibility
10 km
Rain Chance
65%
Snow Chance
0%
Sun & Moon
Sunrise
05:37 AM
Sunset
09:10 PM
Moonrise
12:01 PM
Moonset
12:34 AM
Moon Phase
First Quarter
Moon Illumination
38%
Air Quality
PM2.5
2.7
μg/m³
PM10
6
μg/m³
NO₂
4.7
μg/m³
O₃
72.4
μg/m³
SO₂
0.1
μg/m³
CO
118
μg/m³
Patchy rain nearby
Sunday, June 21, 2026
High
18°C
Low
5°C
Rain Chance
36%
Hourly Forecast
5°C
5°C
5°C
5°C
5°C
6°C
6°C
7°C
8°C
9°C
10°C
11°C
13°C
14°C
16°C
17°C
17°C
17°C
16°C
14°C
12°C
11°C
10°C
9°C
Day Statistics
Maximum Wind
22 km/h
Humidity
70%
Precipitation
1 mm
UV Index
3
Visibility
9 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
05:37 AM
Sunset
09:10 PM
Moonrise
01:16 PM
Moonset
12:55 AM
Moon Phase
First Quarter
Moon Illumination
48%
Sunny
Monday, June 22, 2026
High
20°C
Low
4°C
Rain Chance
2%
Hourly Forecast
8°C
7°C
6°C
5°C
5°C
4°C
6°C
8°C
11°C
13°C
15°C
16°C
18°C
19°C
19°C
20°C
20°C
20°C
18°C
16°C
13°C
11°C
10°C
8°C
Day Statistics
Maximum Wind
18 km/h
Humidity
50%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
05:38 AM
Sunset
09:10 PM
Moonrise
02:28 PM
Moonset
01:15 AM
Moon Phase
First Quarter
Moon Illumination
59%
Weather Alerts
Red Flag Warning issued June 15 at 1:51PM MDT until June 16 at 9:00PM MDT by NWS Riverton WY
The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from noon to 9 PM MDT Tuesday. The Fire Weather Watch is no longer in effect. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY...Fire Weather Zone 280. * COUNTIES AFFECTED: In Central WY...Natrona. * WIND: West 20 to 30 mph with gusts of 35 to 45 mph. * HUMIDITY: As low as 10 percent. * TEMPERATURES: Highs around 90.
A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.
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