St. Louis Weather: Brief Cool Down Followed by Return of Intense Heat
St. Louis is experiencing dramatically cooler temperatures today through Friday, with rain and storm chances on Friday. However, intense heat is expected to return by Sunday and continue into next week, with heat index values potentially exceeding 100°F from Sunday…
St. Louis, MO, July 22, 2026 —
St. Louis residents can expect a temporary reprieve from the heat as cooler temperatures move in today and will persist through Friday. The forecast includes chances for rain and storms on Friday, offering a brief change from the current weather pattern.
However, this cooling trend is short-lived. Intense heat is forecast to return to the region by Sunday and is expected to continue throughout the following week. Preliminary forecasts indicate that heat index values could surpass 100°F from Sunday through Tuesday, signaling a return to summer-like conditions.
Meteorologists advise residents to monitor weather updates as the forecast evolves, particularly concerning the expected return of high temperatures and associated heat index values next week.
Story summarized from the original created by Chance Gotsch on www.firstalert4.com, see more information here.
