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
Overcast
Feels like -15°C
Wind
7 km/h ESE
Humidity
87%
Pressure
996 mb
UV Index
0
Visibility
10 km
Moderate or heavy snow showers
Wednesday, February 18, 2026
High
-1°C
Low
-12°C
Rain Chance
79%
Hourly Forecast
-3°C
-4°C
-3°C
-4°C
-6°C
-6°C
-7°C
-9°C
-9°C
-9°C
-11°C
Day Statistics
Maximum Wind
18 km/h
Humidity
83%
Precipitation
4 mm
UV Index
0
Visibility
6 km
Rain Chance
79%
Snow Chance
7%
Sun & Moon
Sunrise
07:17 AM
Sunset
05:55 PM
Moonrise
07:51 AM
Moonset
07:36 PM
Moon Phase
Waxing Crescent
Moon Illumination
0%
Air Quality
PM2.5
2.3
μg/m³
PM10
3.1
μg/m³
NO₂
1.2
μg/m³
O₃
98.5
μg/m³
SO₂
1.1
μg/m³
CO
147.8
μg/m³
Partly Cloudy
Thursday, February 19, 2026
High
-8°C
Low
-17°C
Rain Chance
0%
Hourly Forecast
-12°C
-13°C
-13°C
-13°C
-14°C
-14°C
-15°C
-16°C
-16°C
-15°C
-13°C
-11°C
-10°C
-9°C
-9°C
-8°C
-9°C
-9°C
-10°C
-10°C
-11°C
-13°C
-14°C
-15°C
Day Statistics
Maximum Wind
22 km/h
Humidity
74%
Precipitation
0 mm
UV Index
1
Visibility
6 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
07:15 AM
Sunset
05:56 PM
Moonrise
08:10 AM
Moonset
08:49 PM
Moon Phase
Waxing Crescent
Moon Illumination
3%
Air Quality
PM2.5
2.6
μg/m³
PM10
3.4
μg/m³
NO₂
1.2
μg/m³
O₃
100.4
μg/m³
SO₂
1.6
μg/m³
CO
148.3
μg/m³
Partly Cloudy
Friday, February 20, 2026
High
-7°C
Low
-18°C
Rain Chance
0%
Hourly Forecast
-14°C
-13°C
-12°C
-12°C
-12°C
-11°C
-13°C
-15°C
-17°C
-15°C
-13°C
-11°C
-10°C
-9°C
-8°C
-8°C
-8°C
-9°C
-10°C
-11°C
-11°C
-12°C
-13°C
-13°C
Day Statistics
Maximum Wind
23 km/h
Humidity
74%
Precipitation
0 mm
UV Index
1
Visibility
6 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
07:14 AM
Sunset
05:58 PM
Moonrise
08:29 AM
Moonset
10:05 PM
Moon Phase
Waxing Crescent
Moon Illumination
7%
Air Quality
PM2.5
2.9
μg/m³
PM10
3.6
μg/m³
NO₂
1.6
μg/m³
O₃
100.2
μg/m³
SO₂
2.2
μg/m³
CO
144.5
μg/m³
Light freezing rain
Saturday, February 21, 2026
High
-6°C
Low
-25°C
Rain Chance
75%
Hourly Forecast
-19°C
-21°C
-22°C
-22°C
-23°C
-23°C
-23°C
-22°C
-18°C
-15°C
-13°C
-11°C
-9°C
-8°C
-7°C
-7°C
-7°C
-11°C
-15°C
-17°C
-19°C
-20°C
-21°C
-22°C
Day Statistics
Maximum Wind
10 km/h
Humidity
90%
Precipitation
0 mm
UV Index
1
Visibility
7 km
Rain Chance
75%
Snow Chance
36%
Sun & Moon
Sunrise
07:12 AM
Sunset
05:59 PM
Moonrise
08:51 AM
Moonset
11:23 PM
Moon Phase
Waxing Crescent
Moon Illumination
14%
Air Quality
PM2.5
3.3
μg/m³
PM10
4.1
μg/m³
NO₂
1.6
μg/m³
O₃
102.6
μg/m³
SO₂
1.7
μg/m³
CO
150.5
μg/m³
Partly Cloudy
Sunday, February 22, 2026
High
-0°C
Low
-23°C
Rain Chance
0%
Hourly Forecast
-22°C
-22°C
-22°C
-22°C
-21°C
-20°C
-20°C
-18°C
-14°C
-10°C
-6°C
-4°C
-3°C
-2°C
-1°C
-2°C
-2°C
-4°C
-8°C
-11°C
-13°C
-14°C
-15°C
-16°C
Day Statistics
Maximum Wind
9 km/h
Humidity
78%
Precipitation
0 mm
UV Index
0
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
07:10 AM
Sunset
06:00 PM
Moonrise
09:16 AM
Moonset
No moonset
Moon Phase
Waxing Crescent
Moon Illumination
23%
Air Quality
PM2.5
2.7
μg/m³
PM10
3.1
μg/m³
NO₂
1.7
μg/m³
O₃
99
μg/m³
SO₂
1.7
μg/m³
CO
154.8
μg/m³
Sunny
Monday, February 23, 2026
High
0°C
Low
-17°C
Rain Chance
0%
Hourly Forecast
-16°C
-17°C
-17°C
-17°C
-17°C
-17°C
-16°C
-15°C
-13°C
-9°C
-6°C
-3°C
-2°C
-1°C
-1°C
-1°C
-2°C
-3°C
-5°C
-7°C
-9°C
-10°C
-12°C
-12°C
Day Statistics
Maximum Wind
15 km/h
Humidity
83%
Precipitation
0 mm
UV Index
2
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
07:09 AM
Sunset
06:02 PM
Moonrise
09:48 AM
Moonset
12:42 AM
Moon Phase
Waxing Crescent
Moon Illumination
33%
Heavy snow
Tuesday, February 24, 2026
High
-2°C
Low
-11°C
Rain Chance
68%
Hourly Forecast
-12°C
-11°C
-10°C
-9°C
-7°C
-6°C
-5°C
-4°C
-4°C
-3°C
-2°C
-2°C
-2°C
-2°C
-2°C
-2°C
-2°C
-2°C
-2°C
-2°C
-3°C
-3°C
-3°C
-3°C
Day Statistics
Maximum Wind
29 km/h
Humidity
95%
Precipitation
3 mm
UV Index
1
Visibility
4 km
Rain Chance
68%
Snow Chance
65%
Sun & Moon
Sunrise
07:07 AM
Sunset
06:03 PM
Moonrise
10:29 AM
Moonset
02:01 AM
Moon Phase
First Quarter
Moon Illumination
44%
Weather Alerts
Winter Weather Advisory issued February 17 at 12:16PM MST until February 18 at 11:00PM MST by NWS Riverton WY
* WHAT...Snow expected. Total snow accumulations between 5 and 8 inches for much of the area, with higher accumulations 7 to 12 inches for the Pitchstone Plateau of southwest Yellowstone. * WHERE...Yellowstone National Park. * WHEN...From 11 PM this evening to 11 PM MST Wednesday. * IMPACTS...Backcountry travel will be difficult. * ADDITIONAL DETAILS...Total accumulations around 2 inches near Mammoth.
Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter. For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info.
Winter Weather Advisory issued February 17 at 12:16PM MST until February 18 at 5:00PM MST by NWS Riverton WY
* WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. * WHERE...Jackson Hole and Star Valley. * WHEN...From 11 PM this evening to 5 PM MST Wednesday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Wednesday morning and Wednesday evening commutes.
Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter. For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info.
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