National Weather Service United States Department of Commerce

Heavy to Excessive Rainfall for the Southwest U.S.; Watching for Possible East Coast Storm

Thunderstorms and a chance for some isolated flash flooding will continue today in the Southwest U.S. before an influx of tropical moisture from Priscilla brings widespread heavy rainfall and a flash flooding threat late this week into this weekend. A coastal storm may develop off the southeast U.S. coast Friday night and drift north just off the Mid-Atlantic coast through the weekend. Read More >

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Last Map Update: Wed, Oct 8, 2025 at 12:10:28 pm MST

Unsettled conditions and increasing shower and thunderstorm chances return to the area during the second half of the week and last through the weekend. Localized flash flooding will be possible each day, with the greatest risk on Friday and Saturday.
Deep moisture, some of it remnant moisture from tropical cyclone Priscilla, will arrive in northern and central Arizona on Thursday and remain through the weekend. Rain and thunderstorms are likely at times, with heavy rain and flash flooding a possibility - especially later Friday into Saturday.

 

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