National Weather Service United States Department of Commerce

Extreme Heat and Excessive Rainfall This Week

A significant heat wave continues for the Rockies, Northern Plains, and Great Lakes into the Mid-Atlantic, peaking in intensity through midweek and lingering across parts of the Northern Plains and Midwest until this weekend. Excessive rainfall my bring life-threatening and locally catastrophic flash and urban flooding across portions of southwestern Texas through early Friday. Read More >

Temperatures will continue to run well above normal even with a bit more moisture in the air. Highs in the triple digits in the lower valleys can be expected for at least one more day. This added moisture will lead to an uptick in thunderstorm activity with gusty outflow winds and locally heavy rainfall possible.