RGV sees record breaking rainfall totals

Weather

Editor’s Note: This story will no longer be updated.

HARLINGEN, Texas (ValleyCentral) — (10/01 –10:30 p.m.) Daily records were broken in both Harlingen and Brownsville, with Brownsville having the wettest single day since Oct. 4, 1996, when we had 9.09″. Flooding warning for Harlingen/Los Fresnos until 10:45 p.m. and Brownsville until 11 p.m.

(10/01 — 8:30 p.m.) Rain is continuing around the Brownville/South Padre Island area. As the atmosphere continues to get overworked, heavy rain chances will slowly decrease. Shower chances will continue to lighten overnight. Models are trending in our favor overnight, projecting lighter rainfall overnight than they projected earlier for the same period. A flood warning remains in effect for much of Cameron County until 10:45 p.m.

(10/01 — 7:30 p.m.) Rain continues to fall in Willacy and Cameron County, where flash flood warnings remain in effect until 8 p.m. near the Port of Brownsville and Boca Chica Blvd. Rain chances are expected to linger in the Lower Valley tonight with an additional 1 to 3 inches of rain possible in isolated spots, which could cause additional flooding.

(10/01 — 5:45 p.m.) Widespread heavy rain with dangerous lightning is causing flash flooding in Southern Cameron county and includes the city of Brownsville. Between 2 to 5 inches of rain has fallen and an additional 2-3 inches of rain is expected.  Flash flooding is occurring or likely to occur in and around Brownsville and southern Cameron county. 

(10/01 — 4:30 p.m.) A Flash Flood Warning is now in effect for a portion of Cameron County. This includes the city of Harlingen and Rio Hondo. Thunderstorms are producing heavy rain across the warned area that leads to flash flooding. 2 to 5 inches of rain have fallen, and additional rainfall amounts of 1 to 3 inches are possible. 

A Severe Thunderstorm Warning is now in effect for northeastern Cameron county near Arroyo City. Heavy rain, 60 miles per hour wind gusts, and dangerous lightning are associated with these storms. Expect damage to roofs, siding, and trees. 

(10/01 — 4 p.m.) Widespread heavy rain is moving through Cameron County increasing the flash flooding threat for areas including La Feria to Brownsville and South Padre Island. Wind gusts up to 50 miles per hour are associated with this storm. Also, frequent cloud-to-ground lightning is occurring with this storm. Driving through these conditions could be hazardous due to near-zero visibility from heavy rain. 

(10/1 — 3:20 p.m.) A flash flood warning has been issued for Northern Cameron county until 6:15 p.m. 2″ to 5″ inches of rain have fallen and additional rainfall amounts of 1″ to 3″ of rain are possible in the warned area. This includes the interstate I-69 E corridor. Flash flooding is ongoing or expected to begin shortly. 

(10/1 — 12:10 p.m. ) Widespread storms are moving through the lower valley, in Cameron and Willacy counties with some areas receiving between 2” to 2 ½” of rain. Along with additional rain,  dangerous lightning with winds gusting up to 40 mph are associated this these storms. Gusty winds could knock down tree limbs and blow around unsecured objects.


The line of storms are expected to move westward into Hildago county, becoming more widespread. This will increase flood concerns across the area with minor flooding likely in some locations.

As of Friday morning, widespread storms are in place across Texas as a mid-level low moves toward the Lonestar state.

Rain chances will increase Friday afternoon with rain being heavy at times. Weather models are in agreement that areas in the RGV could receive widespread, heavy rain at times. This could cause flooding concerns and road safety hazards.

Forecasted rainfall amounts range from 1″-2″ with heavy downpours in isolated areas receiving up to 2″-3″ of rain. Some areas across the RGV could receive significant rainfall while others only receiving little rain.

It is important to know road safety tips when driving through stormy weather.

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