St. Louis Faces Significant Heat Wave Starting This Weekend
St. Louis is bracing for escalating heat, with temperatures nearing 90 on Saturday and reaching the mid-90s by Sunday. The forecast intensifies from Monday through Thursday, with "First Alert Weather Days" declared due to expected highs between 98-99 degrees, potentially…
St. Louis, MO, August 28, 2026 —
St. Louis is preparing for a substantial heat wave set to begin this weekend and extend through the upcoming workweek. Meteorologists have issued warnings as temperatures are forecast to climb significantly, impacting the region from Saturday through Thursday.
On Saturday, temperatures are expected to approach 90 degrees Fahrenheit. The heat is projected to intensify by Sunday, with highs reaching the mid-90s.
The forecast indicates a further escalation of heat from Monday through Thursday. During this period, the National Weather Service has declared “First Alert Weather Days.” High temperatures are anticipated to range between 98 and 99 degrees Fahrenheit. There is a possibility that temperatures could reach triple digits, while the heat index values are expected to fall between 100 and 103 degrees Fahrenheit.
The escalating temperatures and high heat index values present a considerable concern for public health and safety. Residents are advised to take precautions during this period of extreme heat. Further details regarding specific health advisories or recommended actions from local authorities were not immediately available. The duration and intensity of the heat wave suggest a need for preparedness across the St. Louis metropolitan area.
Story summarized from the original created by Steve Templeton on www.firstalert4.com, see more information here.
