St. Louis, Missouri – St. Louis faces another day of sweltering summer extremes on Tuesday, July 29, with heat index values climbing as high as 114°F.
According to the National Weather Service in St. Louis, an Extreme Heat Warning remains in effect through 7 p.m. Wednesday, impacting eastern and central Missouri, including St. Louis, Jefferson City, Columbia, and areas along Interstate 70. Highs will reach 100°F Tuesday, with oppressive humidity adding to the risk of heat exhaustion or heat stroke. Limit outdoor activities, hydrate often, and check on vulnerable neighbors and pets.
A slight relief could come late Tuesday night as showers and thunderstorms become possible, with storm chances increasing through Thursday evening. Some storms could produce brief gusty winds or heavy rainfall, especially Wednesday night into early Thursday.
⚠️ No spotter activation is expected at this time, but weather agencies urge residents to stay updated as conditions evolve midweek.
🔎 Five-Day Weather Outlook: St. Louis Area (July 29 – August 3)
- Tuesday, July 29:
🔥 High: 100°F (Heat Index 114°F), mostly sunny and dangerously hot.
🌙 Night: Clear early, slight storm chance late. Low near 78°F. - Wednesday, July 30:
🌡️ High: 94°F, chance of storms after 1 p.m., showers likely overnight.
🌧️ Night: Rain, possible storms. Low around 72°F. - Thursday, July 31:
🌥️ High: 82°F, cooler with 40% chance of storms.
🌙 Night: Partly cloudy, slight rain chance. Low near 65°F. - Friday, August 1:
☀️ High: 84°F, mostly sunny and pleasant.
🌙 Night: Clear, low near 63°F. - Saturday, August 2 & Sunday, August 3:
☀️ Mostly sunny both days, highs near 84°F.
Perfect start to August with calmer, drier summer weather ahead.
Stay weather-aware and plan around the extreme heat Tuesday. Relief is coming — but keep your eyes on the radar through Thursday.
