Extreme Heat and Excessive Rainfall This Week

A significant heat wave continues for the Rockies, Northern Plains, and Great Lakes into the Mid-Atlantic, peaking in intensity through midweek and lingering across parts of the Northern Plains and Midwest until this weekend. Excessive rainfall my bring life-threatening and locally catastrophic flash and urban flooding across portions of southwestern Texas through early Friday. Read More >

Weather History Archive

Weather History - July 21st

Local and Regional Events:

July 21, 1940:

From near Miller, an estimated F2 tornado moved southeast, destroying a barn, garage, and two windmills.

July 21, 2000:

3.25-inch hail was reported near Okreek in northeastern Todd County.

U.S.A and Global Events for July 21st:

1983: At Vostok Station in Antarctica, the temperature dropped to 128.6 degrees below zero. This reading is the coldest temperature ever recorded.

1987: An F4 tornado ravages the Teton Wilderness and Yellowstone National Park in Wyoming. The tornado's violent winds destroy millions of trees on a 24.3-mile track that traverses the Continental Divide at an elevation of 10,170 feet.

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Extreme Heat and Excessive Rainfall This Week

This Day in Weather History: July 21st