National Weather Service United States Department of Commerce

Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

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Last Map Update: Tue, Jul 28, 2026 at 10:44:37 am CDT

A Heat Advisory is in effect until 8 PM MDT /9 PM CDT/ this evening for the Eddy and Reeves County Plains, eastern Culberson County, Loving and Ward Counties, Chisos Basin, and the Davis, Guadalupe, Chinati, and Delaware Mountains. Although other locations are left out of the Advisory, please note that it will still be hot elsewhere. Be sure to stay hydrated and wear lightweight, light-colored clothing.
Highs today will average ~ 8-10 F above climatology. Temperatures Wednesday will be a couple of degrees cooler. Rain chances are slim-to-none.
Multiple days of 100+ degree heat means a greater chance of heat stress and heat illness this week. Be aware of the signs of heat stress, limit time spent outdoors (especially during the hottest part of the day), and stay hydrated!

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