National Weather Service United States Department of Commerce

Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Overview

During the afternoon of July 29th a supercell developed north of Kadoka, moved east along Interstate 90 toward Murdo, then turned southeast into Mellette and Tripp counties. The storm moved over the town of Winner, where it did extensive damage with winds exceeding 80 mph. Shortly thereafter, the storm quickly dissipated.

Supercell coming into Winner, SD
Winner, SD
Courtesy of Alan Klein
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