Dallas/ Weather & Environment

Dallas-Fort Worth Bakes as 100-Degree Heat Wave Grips Labor Day

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Published on September 05, 2026
Dallas-Fort Worth Bakes as 100-Degree Heat Wave Grips Labor DaySource: IcedCowboyCoffee, CC0, via Wikimedia Commons

Dallas woke to clear skies and temperatures in the low 80s today, but the calm start will not last: the city is headed for a high near 100 degrees. The heat index could reach 105, making the afternoon feel even more punishing despite light south winds.

Sunny Saturday Brings Dangerous Afternoon Heat

Skies should stay sunny as temperatures climb through the 90s by midday and peak near 100 during the late afternoon. South winds will remain light at 0 to 10 mph, while rain chances stay around 10% or lower in Dallas, making heat a bigger concern than storms.

Labor Day Weekend Stays Hot

Tomorrow is forecast to be another sunny 100-degree day, with heat index values as high as 106. Tonight and tomorrow night temperatures will only fall to around 80, and next Monday's Labor Day forecast calls for a high near 101 under mostly clear skies.

Heat Lingers Through Next Week

The stretch barely lets up, with next Tuesday expected to reach about 101 degrees and next Wednesday, Thursday and Friday staying near 100. Overnight lows will remain around 79 to 80, offering little relief for homes, pets or anyone working outside.

Residents should plan strenuous activity for early morning or evening, take frequent breaks and drink water before feeling thirsty. Never leave children or pets in a parked car, and check on neighbors who may be especially vulnerable to prolonged heat.

Dallas-Weather & Environment