 An isolated shower or two possible through about sunset, otherwise turning mostly clear tonight, and temperatures falling into the mid-70s with very muggy conditions overnight. Your Monday will feature a very hot afternoon with highs around 100 degrees. An excessive heat warning will be in effect from 11 a.m. until 8 p.m. on Monday thanks to some heat index values as high as 110 degrees. So remember to stay cool. We're also tracking the chance of a few showers and storms tomorrow afternoon, some of which could be strong to severe.