Knoxville gets two more sunny days near 90 before showers and thunderstorms return Thursday. The weekend stays hot with more storm chances.

Greenville gets several sunny, hot days before storm chances return Friday and linger through the weekend.

Memphis is in for a punishing Tuesday, with a Heat Advisory, a high near 99 degrees and heat index values up to 108. Relief arrives slowly as storm chances increase later this week.

Austin is headed for a 101-degree Tuesday, with heat index values near 110 and more triple-digit days ahead. A small rain chance may reach the I-35 corridor later in the day.

Clear skies lead into an 81-degree Tuesday, but New York City’s warmest stretch arrives Wednesday and Thursday before a cooler, drier weekend.

Atlanta’s brief cooler spell is fading fast, with sunny skies Tuesday and highs climbing into the low 90s by midweek. Rain and thunderstorm chances return just in time for the weekend.

Orlando starts clear Tuesday before afternoon thunderstorms bring heavy rain, lightning and a localized flooding threat. More hot, stormy weather is lined up through the weekend.

Jacksonville starts Tuesday cloudy and breezy, with showers and afternoon storms ahead. Beaches face a high rip current risk through late tonight.

Charlotte gets a sunny, rain-free Tuesday before a steady warmup pushes highs into the 90s. Thunderstorm chances return Friday and rise further Saturday.

Detroit will warm to 83 degrees Tuesday before showers and thunderstorms arrive Wednesday. Cooler, drier weather returns just in time for the end of the workweek.

Phoenix will reach 107 degrees on Labor Day before an Extreme Heat Warning begins Tuesday. A slight chance of thunderstorms returns late in the week.

Seattle’s Labor Day starts cloudy with a chance of light rain, but warmer and sunnier weather arrives Tuesday and Wednesday.

Labor Day looks like a winner in Washington, with sunshine, lower humidity and an 84-degree high. The weather turns hotter and stormier by Thursday.