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Chance for Storms Tonight, Hot Sunday

Heat Begins Sunday

A chance for thunderstorms will continue tonight across the area as a warm front moves north through Missouri and Illinois. Sunday will be the first day of excessive heat across the area. Highs are expected to be between 90 and 95, and it will be humid with heat index readings between 100 and 106 degrees.

A prolonged period of heat and humidity will begin on Sunday and last at least through Thursday. Avoid spending any prolonged periods of time in the heat. If you have to be outside, take precautions. Drink plenty of water and take breaks in air conditioning or shade.