Kansas City is in for several more days of dangerous heat, with highs near 98 and heat index values reaching 104. The Heat Advisory now runs through Saturday evening.

D.C. faces another hot day Thursday, with a 102-degree heat index and afternoon thunderstorms. Cooler, drier weather arrives just in time for Labor Day weekend.

Indianapolis is facing another 96-degree afternoon with a heat index near 104. The Heat Advisory now runs through Friday evening before weekend storms bring some relief.

Morning storms could bring flash flooding to Philadelphia before a Heat Advisory sends the heat index near 102. A cooler, sunnier Labor Day weekend follows.

Greenville will see three more days of upper-90s heat before thunderstorms arrive Sunday and cooler weather moves in for Labor Day.

A clear Orlando morning is expected to give way to heavy thunderstorms, lightning and possible flooding Thursday. The unsettled pattern continues through Labor Day.

Las Vegas gets a sunny, windy break before storm chances return Saturday night and Sunday. Labor Day looks drier, but not completely rain-free.

Knoxville will bake near 98 degrees Thursday and Friday, with heat indexes topping 100. A cooler, stormier holiday weekend is ahead.

Memphis will reach 99 degrees Thursday, with the heat index near 108 and a Heat Advisory lasting through Saturday. A Code Orange ozone alert adds another reason to keep outdoor plans short.

Austin faces a 102-degree Thursday with a heat index near 108. Storm odds rise Friday, but the heat sticks around through Labor Day.

Phoenix reaches 102 degrees Thursday, then climbs to 104 by Labor Day. Storm chances stay limited but could bring gusty winds and brief heavy rain.

Sunny skies and highs near 87 stick around through Saturday. Then thunderstorms and cooler temperatures move in for the holiday weekend.

El Paso will reach 97 degrees Thursday before isolated storm chances return after sunset. The heat sticks around through Labor Day.