National Weather Service United States Department of Commerce

Dangerous Heat in the Western U.S.; Heavy Rain and Flooding Potential in the Southern Rockies and Southwest

Widespread high temperatures in the 90s with heat indices exceeding 100 degrees will persist across the western U.S. this weekend into the week. There are fire weather concerns in the Pacific Northwest and the Great Basin. Monsoon conditions continue to linger across the Southern Rockies and Southwest posing a heavy rainfall threat which may lead to additional flash flooding concerns. Read More >

Overview

During the evening of July 27, 2018, a supercell thunderstorm tracked southeast across Oglala Lakota County, producing large wind-driven hail that resulted in extensive damage to homes, vehicles, and crops. 300 or more homes and over 100 vehicles sustained damage. There were minor injuries reported from broken glass. 3.25 inch hail (between baseball and softball size) and winds of 80 mph were reported.

This story will be updated as additional information is received.

nws logo Media use of NWS Web News Stories is encouraged!
Please acknowledge the NWS as the source of any news information accessed from this site.
nws logo