A heat advisory is in effect Sunday as Dallas temperatures climb toward 101 degrees. The triple-digit heat is expected to linger through the week.

Videos show dozens of dead fish floating near the University of Houston medical branch, but wildlife officials say it's not pollution.

Miami’s Sunday starts mostly clear but turns hot, humid and stormy, with heavy downpours and localized flooding possible by afternoon.

A storm near Suntree prompted a tornado warning Friday evening, with a separate severe thunderstorm alert covering Satellite Beach and Palm Shores.

Philadelphia’s holiday weekend looks mostly sunny and mild, with a high near 80 on Labor Day. Heat builds into the midweek before a slight Thursday shower chance.

Sunny skies and low humidity make Sunday and Labor Day easy outdoor-weather winners in Baltimore. Heat builds by midweek, with showers and thunderstorms possible Thursday afternoon.

Tampa will heat up to 93 degrees Sunday, with a heat index near 104 and scattered thunderstorms possible after 8 a.m. A wetter pattern takes over around Labor Day.

Detroit’s Labor Day weekend looks sunny and mild before temperatures climb into the upper 80s and showers return Wednesday.

Jacksonville could hit 93 degrees Sunday before afternoon storms, heavy rain and a heat index near 103. Labor Day looks cooler but wetter.

Indianapolis gets a sunny, less humid Sunday and Labor Day before temperatures climb back into the 90s and storms return midweek.

Fog early, storms later, then a sunny Labor Day give Raleigh a quick weather plot twist.

Charlotte starts Sunday quietly, then faces a potentially dangerous round of storms with damaging winds, hail and flooding rain.

Fog gives way to a hot afternoon in Cincinnati, with thunderstorms possible through Saturday evening. Sunday brings a cooler, quieter day.