St. Louis Braces for Heavy Storms, Potential for Significant Flooding
St. Louis is expecting heavy storms Wednesday afternoon through Thursday morning. While Wednesday afternoon storms may bring strong winds, the primary concern overnight into Thursday morning is flooding, with the potential for 3-5 inches of rain in some localized areas…

St. Louis, MO, August 5, 2026 —
St. Louis residents are advised to prepare for a significant weather event expected to begin Wednesday afternoon and continue through Thursday morning. The forecast indicates heavy storms with the potential for strong winds on Wednesday, followed by a primary concern for flooding overnight into Thursday.
Meteorologists are anticipating that storms may train over the same areas, leading to a risk of substantial rainfall in localized parts of the region. Some areas could see as much as 3-5 inches of rain within a short period. Additionally, widespread rainfall of 1-2 inches is expected across a broader area.
The heavy rainfall raises concerns about potential flooding throughout the St. Louis metropolitan area. Residents are encouraged to stay informed about weather updates and take necessary precautions to protect property and ensure safety. Further details regarding specific storm timings and potential impacts will be provided as the event develops.
Story summarized from the original created by Chance Gotsch on www.firstalert4.com, see more information here.