National Weather Service United States Department of Commerce

Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Overview

Thunderstorms developed during the afternoon of May 18, 2026 and quickly became severe across north central Kansas. Initial supercells produced hail up to half-dollar size and five tornadoes: two rated EF-1 and three rated EF-Unknown. Supercells congealed into a line as they moved southeast across northeast Kansas, producing wind gusts of 60-85 MPH. In addition, two EF-1 tornadoes spun up along the leading edge of the line of storms, making for a total of seven tornadoes on this day.

Image
Supercell near Morganville, KS (Photo by Daniel Reese)
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