St. Louis faces hot conditions Saturday, with temperatures nearing the mid to upper 90s. The heat index could reach 101, making the afternoon feel more like a furnace than September.
Saturday will bring hot conditions. A Heat Advisory remains in effect until 8 p.m. Saturday, with the National Weather Service urging residents to drink plenty of fluids, use air conditioning or shade, and check on relatives and neighbors.
Storms Arrive As Heat Breaks
Sunday remains hot, with a chance of showers or storms. A chance of thunderstorms followed by showers arrives Sunday night.
Outdoor plans may need a backup option on Monday.
Cooler Air Takes Over Next Week
Cooler Air Takes Over Next Week
For Saturday, the safest window for outdoor work or exercise is early morning, before temperatures peak in the afternoon. Heat illness can develop quickly in high heat and humidity, so take breaks in shade or air conditioning and avoid prolonged exposure during the hottest part of the day.
