National Weather Service United States Department of Commerce

Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northwestern Gulf Coast from south central Louisiana to the upper Texas coast today. Read More >

After some lower end (<50%) chances today, more widespread opportunities overspread the area tonight, overnight, and into Friday. This includes widespread amounts up to around an inch and localized amounts of 2 to 4 inches possible. This too results in the potential for some flooding, river and overland / flash, as highlighted by the Excessive Rainfall Outlooks for today and Friday.
After a few days of cooler, less humid conditions, heat and humidity will build back into the area this weekend. Currently, peak heat and humidity is forecast across the area Sunday and Monday, when heat index values may approach 105 or greater.