St. Louis Weather: Cooler Day Today, Mostly Dry Weekend Expected
St. Louis residents can expect a cooler and more comfortable day today, transitioning to a mostly dry weekend with temperatures in the mid-80s. While there's a slight chance of isolated thunderstorms on Saturday, the majority of the region is expected…

St. Louis, MO, August 20, 2026 —
St. Louis residents are set for a cooler and more comfortable day today, marking a transition towards a mostly dry weekend. Temperatures are expected to reach the mid-80s.
The forecast indicates a slight possibility of isolated thunderstorms on Saturday. However, these are not expected to impact the majority of the region, which is predicted to remain dry throughout the weekend.
The shift in weather patterns brings a respite from warmer conditions, offering a more pleasant environment for outdoor activities.
Story summarized from the original created by Chance Gotsch on www.firstalert4.com, see more information here.