St. Louis Under First Alert Weather Day as Flood Risk Looms Overnight
St. Louis is under a First Alert Weather Day due to a flood risk overnight and into Thursday morning. Isolated storms with strong winds are possible this evening, but heavier, more widespread storms are expected overnight, potentially causing flooding with…
St. Louis, MO, August 5, 2026 —
St. Louis is currently under a First Alert Weather Day as the region faces a significant flood risk, expected to develop overnight and persist into Thursday morning.
This evening, residents can anticipate isolated storms accompanied by strong winds. However, the primary concern shifts overnight as heavier and more widespread storm activity is forecast to move into the area.
The potential for significant rainfall is a key factor in the flood watch. Meteorologists predict rainfall amounts ranging from 0.5 inches to 2 inches across the region. In some isolated areas, rainfall could reach between 3 inches and 5 inches, increasing the likelihood of flash flooding.
A Flood Watch has been issued and will be in effect starting at 10 PM on Wednesday and continuing through 10 AM on Thursday. This alert signifies conditions favorable for flooding, urging residents to stay informed and prepared for potential impacts.
Story summarized from the original created by Steve Templeton on www.firstalert4.com, see more information here.
