Heavy rain, flooding ongoing across the RGV

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Update 12:45 a.m.: All-flash flood warnings in the Rio Grande Valley have expired. Throughout the night some flash flood warnings may be issued. Flash flood watch continues until 7 p.m. Wednesday.

REMINDER: A flash flood watch remains in effect until Wednesday at 7 p.m. for all the RGV. Additional flash flood concerns could develop overnight into Wednesday as more bans of heavy rain develop.

Update 12:06 a.m. The Port Mansfield and western Cameron County flash flood warning will continue until 1 a.m., and the Sullivan City warning will remain in effect until 12:45 a.m.

Update 11:27 p.m.: Flash flood warning has been issued for western Cameron County, Port Mansfield, Pharr-San Juan area, and near the Sullivan City area until 1 a.m. Wednesday.

Update 10:45 p.m.: Flood advisory was issued for central Hidalgo, southeastern Starr, and northwestern Willacy counties until 1 a.m.

Update 9:30 p.m. A flash flood warning was issued for Hidalgo County until 11:15 p.m, including Edcouch and Elsa.

Willacy County continues under a flash flood warning until 11 p.m. Flood advisories issued from McAllen to Portsfield are set to expire at 10:30 p.m.

Update 9:02 p.m.: Flash Flood warning issued for Willacy County until 11 p.m. Flood advisories issued from McAllen to Portsfield continues until 10:30 p.m.

Update 8:45 p.m.: Pockets of heavy rain continue from Port Mansfield to Mcallen and Mission, and new flood advisories have been posted for these areas until 10:30 p.m.

Heavy rain is impacting parts of the earlier-flooded areas in eastern Hidalgo County where an areal flood warning continues until midnight.

Update 7:30 p.m.: Pockets of heavy rain have flared up across Cameron and Hidalgo counties, potentially causing more flooding concerns.

Between four to six inches of rain have fallen today an additional one to two inches of rain are expected.

The National Weather Service has extended the Areal Flood Warning for eastern Hidalgo and western Cameron county until midnight Wednesday.

Update 5:10 p.m.: A Flood Advisory has been issued for northern Starr County until 8:15 p.m. Eastern Hidalgo and western Cameron counties continue under an Areal Flood Warning until 7:30 p.m.

Update 4:50 p.m.: The National Weather Service expired the Flash Flood Warning and issued an Areal Flood Warning for West Central Cameron County and Southeastern Hidalgo County until 7:30 p.m.

Because rainfall has lightened, the water stopped rising in flooded areas. However, due to water drainage problems, many places are still flooded.

Update 4:20 p.m.: Rainfall across the Rio Grande Valley has lightened up as of 4 p.m. and light to moderate showers are still falling across the region.

A Flash Flood Warning is in effect for portions of eastern Hidalgo and western Cameron counties until 4:45 p.m. This includes all areas along the Expressway from La Feria to Weslaco.

Rainfall accumulations have exceeded 6 inches in some locations, causing travel concerns on major roads and highways. Additional rainfall is expected through the night into Wednesday. 

Update 2:15 p.m.: A Flash Flood Warning is now in effect for western Cameron and eastern Hidalgo counties until 4:45 p.m.

Update 1:18 p.m.: The line of storms moving through Cameron county has sped up and is headed toward the coastal areas. Heavy rain, dangerous lightning, and winds in excess of 40 mph are associated with these storms. A Marine Warning is now in effect from Port Mansfield to South Padre Island until 2:15 pm. Small craft could be damaged in higher winds and higher waves. 

Update 12:12 p.m.: A Flash Flood Warning is now in effect for western Cameron and eastern Hidalgo counties until 3:15 p.m. Ongoing flooding has been reported from La Feria to Weslaco. Expect flash flooding of small creeks and streams, urban areas, highways, streets, and underpasses as well as other poor drainage and low-lying areas. Between 3 to 4 inches of rain has fallen and an additional 1 to 2 inches of rain is expected through the afternoon.

Update 11:40 a.m.: An Areal Flood Advisory has been issued for portions of Cameron, Hidalgo, and Willacy counties until 1:30 p.m. Areas that will experience flooding include Harlingen, Weslaco, Donna, Mercedes, Raymondville, La Feria. 1 to 3 inches of rain has fallen, and an additional 1-2 inches of rain is expected. 


The National Weather Service in Brownsville has issued a Flash Flood Watch until 1 p.m. Wednesday afternoon for all of the Rio Grande Valley.

Plenty of tropical moisture is in place along with an upper-level system tracking overhead that will aid in periods of very heavy rainfall from now until at least Thursday evening.

Rainfall amounts of 2 to 4 inches with some areas picking up 4 to 6 inches will be likely through Friday.

Slow-moving storms could help to enhance areas of flooding or even flash flooding.

Rain chances will drop off heading into the upcoming weekend.

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