National Weather Service United States Department of Commerce

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. this week. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England today. Read More >

Seasonable July weather is expected through Thursday with dry conditions and highs in the 80s. An upper-level trough and area of low pressure will bring widespread beneficial rain and isolated thunderstorms to the region late Thursday night through Friday. Rainfall amounts over 1" are likely for portions of 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!