St. Louis, MO – Missouri residents will enjoy warm, sunny weather through midweek, but thunderstorms could disrupt plans by Wednesday night. A mix of clear skies and high temperatures in the upper 70s will dominate early in the week before unsettled weather moves in.
According to the National Weather Service, St. Louis can expect sunny skies on Tuesday, reaching a high of 77°F. Winds will remain light from the southwest. Overnight, temperatures will dip to the upper 40s, keeping conditions mild. By Wednesday, highs will reach 76°F, but storm chances increase late at night, with a 20% chance of showers after 1 a.m.
Thursday will bring mostly sunny skies and a high of 77°F, keeping conditions pleasant. However, Friday marks a shift, with a 20% chance of thunderstorms developing in the afternoon and breezy conditions. The biggest storm risk comes Friday night, when showers and thunderstorms are expected, with a 90% chance of rain.
The weekend will see cooler temperatures. Saturday’s high will reach 66°F, with mostly sunny skies. Sunday turns even cooler, dropping to a high of 52°F. Overnight lows will fall to the mid-30s, signaling a temporary return to chillier conditions before warming up again next week.
Travelers on I-70 and I-64 should remain alert for changing conditions, especially on Friday night. Stay weather-aware and check local forecasts for updates.
