⚠️ Heat Advisory – Iowa; Johnson; Cedar; Clinton; Muscatine; Scott; Keokuk; Washington; Louisa; Jefferson; Henry; Des Moines; Van Buren; Lee; Carroll; Whiteside; Rock Island; Henry; Mercer; Henderson; Warren; Hancock; McDonough; Scotland; Clark – Tuesday, September 1, 2026

Heat Advisory issued September 1 at 9:47PM CDT until September 3 at 7:00PM CDT by NWS Quad Cities IA IL

Details

* WHAT…Heat index values up to 105.

* WHERE…Portions of northwest and west central Illinois, east
central and southeast Iowa, and northeast Missouri.

* WHEN…Until 7 PM CDT Thursday.

* IMPACTS…Hot temperatures and high humidity may cause heat
illnesses.

* ADDITIONAL DETAILS…Thunderstorms and storm outflow may interrupt
the heat at times.

Instructions

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air-conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.