Davenport, Iowa – A burst of heat and humidity Thursday afternoon could trigger isolated severe thunderstorms between 2 and 6 p.m. along the Iowa-Illinois border, especially near the Quad Cities. While most areas may remain dry, any storms that do form could turn severe quickly, bringing gusty winds and hail.
According to the National Weather Service in the Quad Cities, a weak cold front pushing into a hot and unstable air mass will create the potential for scattered storm development. However, a warm layer of air aloft—often referred to as a “cap”—could limit storm activity across much of the region.
The highest chance for storms stretches from Muscatine and Davenport in Iowa to Moline and Galesburg in Illinois. Areas just east of the Mississippi River are under the greatest threat window. Though confidence in widespread coverage remains low, the severity of any storms that do develop could be significant.
Drivers are urged to monitor conditions and delay travel if lightning or hail begins in their area. Secure outdoor items and charge mobile devices in case of brief outages.
The threat is expected to end Thursday evening. More updates may be issued if storm development increases or coverage expands.
