St. Louis, Missouri – Scattered thunderstorms could disrupt Thursday afternoon plans in the St. Louis area, with peak heat and rainfall expected after 1 p.m.
According to the National Weather Service in St. Louis, temperatures will climb to 92°F Thursday before storm chances increase through the evening. Light south winds and rising humidity will drive unstable conditions across eastern Missouri, especially near the I-70 corridor. The risk for lightning, brief downpours, and slick roadways is highest from 1 p.m. to 6 p.m.
Friday brings even hotter conditions, with highs soaring to 95°F before another round of thunderstorms is likely late in the day. NWS places the storm chance at 40% for Friday night, with most activity developing before 1 a.m. Saturday.
Weekend travelers and outdoor event-goers should stay weather-aware. Saturday will again be hot and humid with a high near 90°F and a 40% chance of thunderstorms by afternoon. Showers may linger into Saturday night (30% chance) before gradually easing Sunday. While Sunday’s rain risk dips to 30%, cloudy skies and a high of 88°F will keep things muggy.
Looking ahead, the unsettled summer pattern continues into next week. Thunderstorm chances hover at 30% daily through at least Tuesday, with temps holding in the low 90s.
📅 Five-Day Forecast: July 10–July 15
- Thursday: High 92°F – Scattered thunderstorms after 1 p.m.
- Friday: High 95°F – Mostly sunny early, storm chance rises late
- Saturday: High 90°F – Thunderstorms likely, especially after 1 p.m.
- Sunday: High 88°F – Showers/storms possible, mostly cloudy
- Monday: High 91°F – Afternoon storm risk continues
⚠️ Stay tuned for any updated advisories. Thunderstorm chances remain in the forecast through Monday.