ST. LOUIS – An Extreme Heat Warning is in place for the entire area Sunday and Monday. With temperatures expected in the mid to upper 90s and high dew points, top heat index values will climb into the 110-to-115-degree range.
There is at least an isolated storm threat for Sunday afternoon and evening. Storms could expand into a few clusters and produce some heavy rain and gusty winds. Any thunderstorms that are able to develop should gradually dissipate through the evening.
Overnight will be very warm and humid. Dangerous heat and humidity continue for Monday…