Heat wave maintains grip on South with record high temperatures, heat alerts from Texas to Carolinas

Nearly 105 million people in the U.S. are under heat alerts, which includes Texas to southeast Virginia and also the Northwest where dangerous high temperatures started over the weekend.

NEW ORLEANS – Summer's sweltering grip on the South continues into a new week from Texas to southeast Virginia experiencing miserable record-hot temperatures. 

Nearly 105 million people in the U.S. are under heat alerts through Tuesday, which includes Texas through the Southeast, and also the Northwest where dangerous high temperatures started over the weekend. 

Twenty-one record-high temperatures were reported across Louisiana, Mississippi, Florida, North Carolina and Virginia on Monday. Even more records could topple Tuesday.

Tuesday's potential record highs.
(FOX Weather)


With no relief for weeks on end, it can be easy to become complacent, but heat is deadly and the risk of heat-related illnesses continues. Hundreds of deaths have been attributed to the heat wave this summer, including 8 children left in hot vehicles and parkgoers at National Parks

Drinking plenty of water, limiting time outdoors, staying in the shade and taking frequent breaks in air conditioning are all essential for preventing heat exhaustion and heat stroke under extreme temperatures. 

Triple-digits in Texas


The prolonged heat wave continues to break records in the Lone Star State. Monday marked 38 days straight of triple-digits for the state's capital, Austin. Houston hit a new milestone too, 10 days straight of triple-digits.

Air temperatures in Texas remain in the triple digits for parts of south-central Texas heading into the new week.

On Tuesday, Excessive Heat Warnings and advisories are in effect across Texas and Arkansas.

A cold front is bringing a brief reprieve for Dallas and Waco from triple-digit temperatures on Tuesday. Highs are forecast in the 90s, but the extreme heat will return later this week. The cold front will also bring storms and increase fire weather danger.


Heat alerts in effect on Sunday.
(FOX Weather)


Boiling in the Big Easy

The entire state of Louisiana and southern Mississippi are under an Excessive Heat Warning through Monday where heat index values will top out at 110 to 120 degrees, according to the NWS. 

The high temperature in New Orleans is forecast to reach 101 on Tuesday. Baton Rouge could reach 101 degrees as well.

Heat Index forecast across the South.
(FOX Weather)


An Excessive Heat Watch is in effect for much of southeast Louisiana and south Mississippi through the early workweek.  

The heat index in New Orleans on Monday will feel like 113 degrees. 

Potential record-breaking heat in Southeast

Heat alerts are in effect in portions of Georgia, the Carolinas, southern Virginia and throughout Florida into Tuesday.

Central to south Georgia is under Extreme Heat Warnings and Watches with heat index values forecast up to 109 degrees.


Florida forecast heat indices.
(FOX Weather)


Heat alerts are in effect across the Sunshine State through Tuesday. The feels like temperature will hit 111 in areas. On top of the heat, the Sunshine State is expecting a summer soaker. Each day this week, heavy rains will mean possible flooding for the entire state.

North Florida will remain the warmest into the workweek, with highs in the upper 90s for Jacksonville and Tallahassee on Monday. Both cities could see record warmth, along with Orlando, Tampa and Key West.