Yellowstone National Park
ID,MT,WYWEATHER INFO
Yellowstone's weather can vary quite a bit, even in a single day. In the summer, daytime highs can exceed 70°F (21°C), only to drop 20 or more degrees when a thunderstorm rolls through. It can snow during any month of the year, and winter lows frequently drop below 0°F (-18°C), especially at night. Bring a range of clothing options, including a warm jacket and rain gear, even in the summer.
Weather @ Yellowstonelast updated: 1 hrDIRECTIONS INFO
CAUTION
Elk with Calves are Extremely Dangerous
Be alert, especially this time of year around Mammoth Hot Springs. Elk calves may be hidden close to buildings, under or next to vehicles, and around blind corners. You must remain at least 25 yards from all wildlife. If an elk charges, retreat!
morePARK CLOSURE
Temporary Closure of Some Trails, Backcountry Campsites, and Fishing Areas
Certain trails, backcountry campsites, and fishing areas in the western part of the park near Biscuit Basin are closed until further notice to allow for an investigation following a bear-caused human injury.
moreINFORMATION
Traffic Delays - Gardner River High Bridge
Expect a single lane of traffic with up to 15-minute delays, 24 hours a day, seven days a week, from April 1 through late October 2026. Oversized/overweight vehicles (8'6"+ wide, 75'+ long, 80,000 lbs+ gross vehicle weight) will not be able to cross the bridge during this time.
moreINFORMATION
Vehicle Entrance Reservation Not Needed
Although an entrance pass is required to enter Yellowstone National Park, vehicle reservations are not needed. You are encouraged to purchase an entrance pass before arriving, but you may also purchase passes at any entrance station upon arrival.
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