St. Louis Weather: Mild Conditions to Give Way to Heat and Storms
St. Louis residents can expect one more mild and dry day today before scattered thunderstorms arrive on Friday and Saturday. Intense heat and high humidity are predicted to return Sunday and into early next week, with heat index values potentially…
St. Louis, MO, July 23, 2026 —
St. Louis is set for a brief respite from extreme temperatures today, with residents anticipating a mild and dry day. However, this calm is expected to be short-lived as scattered thunderstorms are forecast to move into the region by Friday and continue through Saturday.
Following the anticipated rainfall, a significant shift in weather patterns is predicted for Sunday. Intense heat and high humidity are slated to make a return, potentially pushing heat index values into the range of 100 to 106 degrees. This surge in temperature and humidity is expected to persist into the early part of next week.
Further details regarding the specific timing and intensity of the thunderstorms, as well as the exact duration of the upcoming heatwave, were not provided.
Story summarized from the original created by Chance Gotsch on www.firstalert4.com, see more information here.
