Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

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Last Map Update: Sat, Aug 16, 2025 at 12:30:04 pm MDT

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National Weather Service Grand Junction, CO

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National Weather Service NWS Tucson Arizona

Flood Watch

Hazardous Weather Outlook

Today Flood Risk

Sun/Mon Flood Risk

Rain Amounts

Heat Risk

Temp/Precip Outlook

Flood Safety

There will be an increased risk of excessive rainfall that could result in flash flooding over central and southwest parts of the forecast area this afternoon and evening.

Southern, central, and eastern areas will have a marginal risk of excessive rainfall that could produce flash flooding both Sunday and Monday.

The best chance for locally heavy rainfall will be across southern areas, and also northward along and just east of the central mountain chain each afternoon and evening.

A broad high pressure system will build over the Four Corners region during the coming week causing high temperatures to climb as much as 9 degrees above 1991-2020 averages.

Drier air will begin moving over the state from the northeast during mid to late week decreasing thunderstorm coverage and rainfall intensity, while enabling temperatures to climb.