St. Louis weather from FOX 2 Meteorologist Chris Higgins:
ST. LOUIS – Dangerous heat and humidity will quickly build across the region Wednesday with a mix of clouds and sunshine. There may be a few isolated thunderstorms north and east of St. Louis Wednesday afternoon. High temperatures will reach the upper-90s with a top heat index up around 110.
There is a slight chance for a thunderstorm this evening, otherwise, it will be very warm and humid overnight with low temperatures near 80.
Thursday through Sunday with continue to be hot and humid with a daily chance for a couple of isolated storms.
High temperatures Thursday will be in the mid to upper-90s then drop to the lower-90s over the weekend.