Heavy rains expected in the RGV over the next several days

The National Weather Service in Brownsville wants residents to prepare for heavy rain that could cause flooding in the Rio Grande Valley this weekend and through early next week.

The National Weather Service in Brownsville wants residents to prepare for heavy rain that could cause flooding in the Rio Grande Valley this weekend and through early next week.

Officials report a developing feed of combined tropical moisture from the Caribbean through Mexico, and from the eastern tropical Pacific, will provide several days of rain favoring the Upper Rio Grande Valley and the Rio Grande Plains.

The convection is expected to start up late tonight and early Sunday morning and will spread eastward Sunday and Sunday night.

According to the NWS, 3 to 5 inches of rain is possible in Starr, Zapata and Jim Hogg counties, while 1 to 4 inches of rain is likely along and west of US 281 including the McAllen and Edinburg metro area.

The lower Valley should see some rain that could occur later Sunday through Tuesday.

Officials said this is the time to clear drainage ditches and canals, and to clean out sewers of debris. Motorists should plan alternate routes away from areas that are prone to flood.

There’s a 30 percent chance of thunderstorms today and a 30 percent chance of heavy rain tonight in the lower Rio Grande Valley. The rain chances increase to 50 percent Sunday, 60 percent Sunday night and 70 percent on Monday. There’s a 50 percent chance of rain on Tuesday. Rainfall is expected to be heavy.

For the upper Valley, there’s a 30 percent chance of thunderstorms and heavy rain today and tonight, with a 60 percent chance of heavy rain Sunday and Sunday night. There’s a 60 percent chance of heavy rain on Monday and 50 percent chance of heavy rain on Tuesday.