Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

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Last Map Update: Fri, Aug 29, 2025 at 5:16:41 pm MDT

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National Weather Service Grand Junction, CO

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National Weather Service NWS Tucson Arizona

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Showers and thunderstorms will move toward the northeast and east around 10-30 mph this afternoon and evening, with the fastest storms over northwest areas. Some of today's stronger storms will be capable of producing rain at rates over 1 inch per hour over northwest parts of the forecast area, and over 2 inches per hour over central and eastern parts of the forecast area. The potential exists for flash flooding to develop. In addition, some storms along and east of the Sangred de Cristo, Sandia, and Manzano Mountains will probably turn severe by producing large hail and damaging winds.

Showers and thunderstorms will increase in coverage and rainfall intensity today and Saturday with an increased risk of flash flooding. A few of the stronger storms over south central and eastern areas will be capable of producing torrential rainfall at rates over 2 inches per hour.

A Severe Thunderstorm Watch has been issued for portions of northeast and east central New Mexico until 10 PM MDT this evening.

The threat for flash flooding will continue Sunday and Monday and be greatest over southern areas.

Temperatures will trend cooler with the increased moisture and precipitation this weekend. Then, the cooling trend will continue over eastern areas next week with the arrival of backdoor cold fronts.