Weather Report
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Weather //
( 17° C)
Humidity: 60%
Dew Point: 49° F
Friday
High: 84°
Low: 55°
Wind: 4 mph S
Humidity: 54%
Saturday
High: 84°
Low: 54°
Wind: 5 mph SSE
Humidity: 56%
Sunday
High: 80°
Low: 51°
Wind: 8 mph WSW
Humidity: 32%
Monday
High: 81°
Low: 50°
Wind: 6 mph SSW
Humidity: 23%
Tuesday
High: 83°
Low: 50°
Wind: 7 mph ESE
Humidity: 30%
Updated July 29, 2010, 7:30 am Powered by:
National Weather Service
The majority of Yellowstone National Park is above 7,500 feet and higher altitude means cooler weather all year round. The weather here is extremely unpredictable with temperature variations within a single day as much as 40 degrees – going from the high 70’s during the day and dropping to freezing (32 degrees F) or below at night.
Thunderstorms, wind and even rain and snow can happened suddenly. Regardless of the time of year of your visit, be prepared for all kinds of weather.
Keep in mind that actual temperatures and daily conditions can differ greatly from the expected “norms”.
Spring Weather
The snow and cold of winter can extend into April and often into May. The temperatures will gradually get warmer, but the nights can still be at freezing or below. It is not uncommon for an unexpected snowstorm in May to dump up to a foot of snow.
Usually, you can expect highs in the 60’s and lows in the 20’s.
Spring is an excellent time to visit Yellowstone. As soon as the roads are opened for vehicular traffic, is a great time to experience the area with minimal other visitors. As most of the wildlife in Yellowstone gives birth to their young in the spring, this is also a great time for wildlife viewing.
Just remember to be prepared for sudden changes in the weather and do not be surprised if you are suddenly in the midst of a snowstorm.
Summer Weather
June can be cold and rainy, while July and August are a little drier.
Thunderstorms can occur during the afternoon and will be accompanied by lightning.
Expect temperatures to reach as high as 80, but still cooling off to the 20’s at night and in the higher elevations.
Fall Weather
Fall is beautiful in Yellowstone with crisp, cool air and the aspens glowing with a palette of oranges, yellows and reds.
Snowstorms will become more frequent as winter approaches.
Temperatures will range from the 50’s down to the single digits.
Fall is another great time to visit the Park. The traffic is less and the scenery dressed in all the fall colors is awe-inspiring. The wildlife are on the move to lower altitudes, making wildlife viewing exceptional.
Winter Weather
The thermometer rarely reaches much over zero degrees F during the winter months. The heat of the sun on a clear day may cause the mercury to rise up to the mid-20s.
Average snowfall in the winter is approximately 150 inches, but it can get much deeper in the higher elevations.
Travel into the vast majority of Yellowstone during the winter is difficult. It can only be accomplished via guided snowmobile tours or snowcoaches.
Only one road remains open in Yellowstone during the winter. That is the northern most roads that connects Gardiner, Montana with Cooke City, Montana. Private vehicle travel is allowed on that road during the winter months.
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