Severe Storms Bring Flash Flooding and Hail to Denver
Denver experienced severe storms on Monday, June 1, 2026, resulting in flash flooding and hail. According to the National Weather Service (NWS), 2.28 inches of rain fell in some areas, surpassing Denver's typical June average of 1.94 inches. The storms triggered a Flash Flood Warning for parts of Adams, Arapahoe, and Denver counties, with radar indicating between 1.5 and 2 inches of rain near Buckley Space Force Base. Additional rainfall of up to 0.75 inches was expected within an hour. Extreme storm chaser Reed Timmer reported a 'vigorous supercell' capable of producing 'gorilla hail,' which led to a ground stop at Denver International Airport. The storms occurred during Denver's peak severe weather season, which typically spans the first two weeks of June.