Editor’s note: This story will not be updated as the storm concluded in the Rio Grande Valley.
HARLINGEN, TEXAS (KVEO)—Heavy rain and severe weather potential returns to the Rio Grande Valley overnight and Wednesday morning.
9:51 AM: Showers are now ending for the Rio Grande Valley. As of 9:40 AM, current high-resolution radar shows lingering rain showers moving in a western direction along the Rio Grande River. Showers are weakening this morning as they approach the Gulf of Mexico. For the rest of the day, we can expect hit-or-miss isolated showers.
7:25 AM– Another round of heavy rain is now moving into Starr and Hidalgo counties, with dangerous lightning. We can expect more rounds of heavy rains to continue to the rest of Wednesday morning.
5:20 AM – Thunderstorm warnings and watches have expired across the Valley. The line of heavy thunderstorms Wednesday morning has now moved offshore, additional showers and thunderstorms possible today. We are keeping an eye on the storms in Mexico to move through the 9 a.m. to 11 a.m. timeframe.
Models point to another wave of heavy rain and thunderstorms coming out of the storms redeveloping in Mexico right now.
3:39 AM – The severe thunderstorm warning for Cameron county is now canceled. Severe thunderstorms watches continue for Cameron and Willacy counties until 4 a.m. Flood advisories continue right now for southern Hidalgo county, Cameron county, eastern portions of Starr county, and western portions of Willacy County.
2:53 AM – New severe thunderstorm warning now includes Brownsville until 3:30 a.m. Damaging winds of 60 mph are possible.
2:45 AM – Severe thunderstorm watch has been cancelled for Starr and Hidalgo counties.
2:40 AM – A new severe thunderstorm warning has been issued for Cameron County until 3:30 a.m. including Los Fresnos and Rio Hondo.
The threat for severe weather in the mid and upper Valley has decreased, but a severe thunderstorm watch remains in effect for the entire area until 4 a.m.
2:18 AM – Blinding rain and high wind gusts moving through western Cameron County. This will affect Brownsville in the next 30 minutes.
1:54 AM – Hurricane-force wind gust potential moving into La Paloma of southwestern Cameron County.
1:45 AM – A new severe thunderstorm warning has been issued for Cameron County until 2:45 AM. This includes Brownsville and Harlingen for wind gusts of 70 to 80 mph.
1:05 AM – Severe thunderstorm warning is now in effect for parts of Hidalgo and Cameron counties until 1:45 AM. This includes Edinburg, McAllen, Weslaco, and Harlingen.
12:52 AM – A severe thunderstorm warning has been issued for eastern Hidalgo and western Willacy counties until 1:30 AM. Other strong storms will affect Edinburg and McAllen in the next 30 to 45 minutes.
12:40 AM– The severe thunderstorm warning for Starr County has been cancelled. Strong storms are now moving into Hidalgo County and will affect McAllen and Edinburg by 1:30 a.m.
The storms may reach the lower valley by 3 a.m. A severe thunderstorm watch remains in effect for the entire RGV until 4 AM.
12:12 AM – Storm begins to enter northern Hidalgo County, and Starr County has seen almost 1,000 lighting strikes and hail to the size of a ping pong near Rio Grande City.
11:57 PM – New severe thunderstorm warning for southern Starr County until 1 a.m. Damaging wind and large hail are possible as well as dangerous lightning.
11 PM – Strong to severe storms are moving through the northern Ranchlands as well as the far upper Valley near Falcon Lake.
These storms will continue to develop east and south into the Rio Grande Valley after midnight with threats for large hail, damaging winds, heavy rain, and frequent lightning.
8:30 PM – RGV severe thunder storm watch begins, which will end at Wednesday at 4 a.m.
Large hail, damaging wind, heavy rain, and dangerous lightning are all possible with the storms overnight.
While timing is still not firm, it’s best to be prepared for storms to arrive anytime overnight.
The front also brings a much-needed break from triple-digit heat taking us down to below-average temperatures for this time of year. From Wednesday through Sunday, expect to remain in the low to mid-80s as a high with temperatures returning to the 90s by Monday.
Rain chances will continue throughout the week dropping to a 20% chance of showers Friday and jumping back up by Saturday.