St. Louis, Missouri – A surge of thunderstorms could disrupt Thursday afternoon in St. Louis, with impacts likely along major routes like Interstate 64 just as the day heats up.
According to the National Weather Service in St. Louis, storms are expected to begin after 1 p.m. Thursday and continue through the evening. There is a 70% chance of thunderstorms, some of which may bring heavy rain, lightning, and short-term road flooding during the late-day commute.
Temperatures will reach 88°F, with winds from the south at 7 mph pushing moist, unstable air into the metro. Drivers are urged to reduce speed on wet roads and avoid low-lying areas prone to ponding, especially in urban zones near downtown.
Friday brings no break, with a continued 50%–70% chance of thunderstorms throughout the day and night. Shower activity could be intense at times, particularly in the afternoon. Rain-soaked grounds may worsen localized flooding in neighborhoods and along small creeks.
Conditions gradually dry out starting Saturday evening, but another round of storms is likely Monday night. Residents should stay weather-aware through the weekend and prepare for shifting outdoor schedules.
Five-Day Forecast for St. Louis, MO (June 11–16):
- Wednesday (Today): Mostly sunny, high near 89°F. Winds turning south at 5–8 mph.
- Thursday: High 88°F. 70% chance of thunderstorms by afternoon.
- Friday: High 84°F. Thunderstorms likely after 1 p.m., continuing through the night.
- Saturday: 50% chance of showers early, clearing late. High 85°F.
- Sunday: Partly sunny, slight shower chance. High 85°F.
- Monday: Storms possible overnight. Daytime mostly dry, high near 90°F.
