National Weather Service United States Department of Commerce

Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Humid conditions will continue the remainder of the work week but temperatures will be closer to normal. There is a chance of rain late Thursday night through Friday night for the area.
[11:30 AM 7/28/2026] After a couple days of extreme heat on July 26 and 27, here are maximum high temperatures and heat indices observed across the area. All major observation sites saw heat indices above 110 degrees!
[11:30 AM 7/28/2026] Accompanying the extreme heat was oppressive humidity levels with dew points hitting the low to mid-80s area-wide. Dubuque, Iowa also hit their record high dew point of 83 degrees on the afternoon of July 27!