Weather Forecast and Radar for Yellowstone National Park

Routes Running Nearby to Yellowstone National Park

• US-191 runs north-south through Yellowstone National Park.

• The I-15 runs north-south about 100 miles west of Yellowstone National Park.

• The I-90 runs east-west about 125 miles north of Yellowstone National Park.

Weather in Yellowstone National Park

In Yellowstone National Park, the summers are short, comfortable, dry, and mostly clear and the winters are freezing, snowy, and partly cloudy. Over the course of the year, the temperature typically varies from 4°F to 76°F and is rarely below -15°F or above 84°F.

The warm season lasts for 3 months, from June to September, with an average daily high temperature above 66°F. The hottest month of the year in Yellowstone National Park is July, with an average high of 75°F and low of 43°F.

The cold season lasts for 3.5 months, from November to March, with an average daily high temperature below 34°F. The coldest month of the year in Yellowstone National Park is January, with an average low of 5°F and high of 25°F.

A total of 134 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Yellowstone National Park, WY.

A total of 1 historical tornado event that had recorded magnitude of 2 or above found in or near Yellowstone National Park, WY.

Since most of the park lies at an elevation of 6,000 feet (1829 m) above sea level or higher, unpredictability characterizes Yellowstone's weather. Expect big temperature swings, rain, or snow during every month of the year.

Tornadoes in Yellowstone are rare; however, on July 21, 1987, the most powerful tornado recorded in Wyoming touched down in the Teton Wilderness of Bridger-Teton National Forest and hit Yellowstone National Park. Called the Teton–Yellowstone tornado, it was classified as an F4, with wind speeds estimated at between 207 and 260 miles per hour (333 and 418 km/h). The tornado left a path of destruction 1 to 2 miles (1.6 to 3.2 km) wide, and 24 miles (39 km) long, and leveled 15,000 acres (6,100 ha; 23 sq mi) of mature pine forest.

In June 2022, the Park closed entrances and evacuated visitors after experiencing record-level rainfall and flooding that caused multiple road and bridge failures, power outages, and mudslides. A combination of heavy rain and rapid snow melt resulted in the Yellowstone River rising to a new record height at 13.88 feet (4.23 m), breaking a previous record of 11.5 feet (3.5 m) set in 1918. Flooding on the Lamar River reached 16.7 feet (5.1 m), beating a 1996 record of 12.15 feet (3.70 m). Damage from the flooding includes washed out roads and bridges, and damage to infrastructure systems including electricity, water and wastewater systems. It's unlikely that the park will be able to reopen the north entrance by Gardiner, MT, or the northeast entrance near Cooke City, MT, during the 2022 season. The park partially reopened Wednesday, June 22, after a 9-day closure. To limit the nearly one million visitors per month that visit in the summer, the park has restricted entry to cars based on license plates. Cars with license plates ending in even numbers can enter on even numbered dates, and plates ending in odd numbers can enter on odd numbered dates.

Fast Facts About Yellowstone National Park

The park was established in 1872.

Major Cities Nearby Yellowstone National Park

• Jackson, Wyoming (roughly 50 miles to the south)
• Big Sky, Montant (roughly 100 miles to the northwest)

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Yellowstone National Park.