By VOTP News STL Staff
September 17, 2026
ST. LOUIS — Thursday is expected to bring periods of sunshine and near record heat to the St. Louis area, with a high around 96 degrees and an overnight low near 72.
An isolated thunderstorm could develop during the afternoon, but widespread rain is not expected. Anyone spending extended time outside should drink water, take breaks in the shade or air conditioning and avoid unnecessary strenuous activity during the hottest part of the day.
Forecast conditions can change. Check the National Weather Service in St. Louis for alerts, radar and the latest local forecast before heading out.
Photo: The Gateway Arch beneath scattered clouds. File photo by Jennifer Clark, National Park Service. The photograph does not show today’s live conditions. Official photo source.
