Flood threat weakens across the Rio Grande Valley as severe risk ends

Weather

HARLINGEN, Texas (KVEO) — The incoming weather system is expected to bring widespread rain chances to the Rio Grande Valley heading into Wednesday. With grounds already saturated from recent rains, any additional rainfall will cause flooding concerns from South Padre Island to Rio Grande City.

Here are the latest updates from the Valley Storm Team:

5:30 p.m. The RGV has no more severe storms forecasted for Wednesday, scattered showers might be seen along the coast later tonight.

Flood warning extended for Weslaco, Mercedes and Progreso areas until 9 p.m.

3:30 p.m. All of Hidalgo County is now out of a flash flood warning

2:45 p.m. Flash flood warning issued for SPI until 4:45 p.m. Flash flood warning for Brownsville extended until 4:45

2:09 p.m. Heavy rain and storms continue affecting the lower valley, but conditions are gradually improving for the mid and upper Rio Grande Valley.

The flash flood warning for Edinburg, McAllen, and Mission has been canceled. Other flash flood warnings for Harlingen, Brownsville, Weslaco continue at least until 3 p.m.

1:12 p.m.

Flash flood warning extended for Weslaco and Raymondville until 2:15 p.m.

Flash flood warning for Harlingen, La Feria and Combes extended to 3 p.m.

1:00 p.m. Flash flood warning extended for Edinburg, Mission, and McAllen until 1:45 p.m. Severe t-storm watch. expiring at 1 p.m. for Cameron County.

12:00 p.m. The heaviest rain and thunderstorms are now affecting the lower valley and South Padre Island. A severe thunderstorm watch remains in effect until 1 p.m. for Cameron County. 

Flash flood warning now includes Brownsville and port Isabel until 3:15 p.m.

Meanwhile, many areas are seeing flash flooding across the rest of the Valley, including Harlingen, Weslaco, and McAllen. If you don’t have to be on the roads, stay put! 

11:20 a.m. New flash flood warning now includes Rio Hondo, San Benito, and Harlingen until 2 p.m.

Flash flood warning for central Cameron county until 2:30 p.m. This includes San Pedro and Los Fresnos.

Heavy rain & storms are moving into the lower Valley this morning. Blinding rain capable of flash flooding will be possible as the storms approach Brownsville in the next half hour.

10:26 a.m.

 Flash flood warning issued for eastern Hidalgo, southern Willacy and western Cameron counties until 1:30 p.m.

10:18 a.m. Flash flood warning western Willacy and northeast Hidalgo until 11 a.m. Heavy rain and storms are now moving into the lower RGV, but all severe weather warnings have expired. However, most of Hidalgo and western Willacy counties are in a flash flood warning until rarely afternoon.

Additional flood concerns could develop for the lower valley soon. Showers and storms will continue moving eastward over the next several hours, likely exiting the RGV by 1-3p this afternoon. 

9:58 a.m. Flash flooding warning for Edinburg, McAllen, Mission.

9:08 a.m. Tornado warning northern Willacy county until 9:30 a.m.

8:30 a.m. New severe t-storm warning for Hidalgo, western Willacy, and western Cameron counties until 9 AM. The main threat is damaging winds as complex storms move east.

7:55 a.m.

A Tornado Warning has now been issued for northern Starr, and Hidalgo counties. This includes San Isidro and Delmita.

7:53 a.m.

Severe thunderstorm warning in Hidalgo County until 8:30 a.m. Look for winds above 60 mph. Storms are moving ESE at 35 to 40 mph.

6:57 a.m.

Severe thunderstorms warning for most of Starr County. Look for up to Nickel-sized hail and winds over 60 mph.

6:40 a.m.

Strong thunderstorms dropping heavy rainfall in western Starr County. Current rainfall rates along the line of storms are between 4 to 5 inches per hour. A flood advisory is in effect until 7:30 a.m. for parts of Starr, Zapata, and Jim Hogg Counties. 

6 a.m.

A Severe Thunderstorm Watch is now in effect for the ENTIRE RGV until 1 p.m. This means conditions are favorable for a severe thunderstorm to occur. A Flash Flood Watch is also in effect until 1 p.m. Thursday.


A Flash Flood Watch has been issued for the entire Rio Grande Valley until 1:00 p.m. Thursday

Forecasted rainfall accumulations are expected to range between two to three inches for most locations in the RGV while stronger storms could bring up to four to five inches of rain.

The Storm Prediction Center has increased the severe weather risk to a “Slight” (two out of five) on the severe weather scale. 

In addition to flooding, any storms moving through the RGV will have the risk of damaging winds of 60 mph or higher, and dangerous hail that could reach golf ball size or larger. 

Source: National Weather Service

For timing, KVEO in-house weather model is indicating a major squall line of severe storms making its way into the RGV Wednesday afternoon. Rain showers will likely linger into Thursday morning.

In addition to flooding, other hazards include dangerous lightning, up to quarter-sized hail, and damaging winds of up to 60 miles per hour. An isolated tornado cannot be ruled out.

For timing, KVEO in-house weather model is indicating a major squall line of severe storms making its way into the RGV Wednesday afternoon. Rain showers will likely linger into Thursday morning.

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