Brownsville/Rio Grande Valley, TX

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Last Map Update: Fri, Jun 19, 2026 at 6:04:36 pm CDT

Watches, Warnings & Advisories

National Weather Service Corpus Christi, TX

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Flood Warning

Extreme Heat Warning

Heat Advisory

Extreme Heat Warning

Heat Safety

Isolated Flash Flooding

Today

Tonight

Tomorrow

5-Day Outlook

An Extreme Heat Warning is in effect for all of Deep South Texas, except the barrier island, from Noon to 7 PM CDT today. "Feels-like" temperatures will surge to 112-121F degrees for many during the day today. Make sure to check on the elderly, vulnerable populations, livestock, and pets to ensure they have access to cool locations and water.

With the hottest "feels-like" temperatures in several years now here in Deep South Texas and the Rio Grande Valley, it's critical to follow these heat-safety tips.

The combination of low pressure in the middle layers of the atmosphere and deep tropical moisture will produce a threat for isolated flash flooding across portions of the region today, and for all of the region on Saturday.

Here are the forecast high temperatures and rain chances for Deep South Texas today.

Here are the forecast low temperatures and rain chances for Deep South Texas tonight.

Here are the forecast high temperatures and rain chances for Deep South Texas tomorrow.

Low pressure in the middle layers of the atmosphere will combine with deep tropical moisture to produce a chance of showers and thunderstorms on Saturday. Dry and hot weather will prevail afterwards.

*Current Observations ( )*
*Location*	*Sky/Weather*	*Temp*	*Dewpt*	RH	*Wind*	*Baro*	*Remarks*
Brownsville	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Harlingen	N/A	N/A	N/A	N/A	N/A	N/A	N/A
McAllen	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Bayview	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Weslaco	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Edinburg	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Zapata	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Hebbronville	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Falfurrias	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Laredo	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Kingsville	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Alice	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Notes: *In the Location column, click on links for a list of recent observations at sites of interest. A new window will open.* *In the Wind column, the letter indicates direction the wind blows from (N=North, E=East, S=South, W=West, NE=Northeast, etc). VRB is "variable" and G is "gust". Wind speeds are in MPH.* *In the Baro (pressure) column, values are in inches.* *In the Remarks column, HX is the Heat Index and WCI is Wind Chill Index (if shown). These are "Feels Like" temperatures. VSB is Visibility. "N/A" will be displayed if values are not available.*

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