Brownsville/Rio Grande Valley, TX

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Last Map Update: Wed, Jun 17, 2026 at 5:19:00 pm CDT

Watches, Warnings & Advisories

National Weather Service Corpus Christi, TX

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Extreme Heat Warning

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Extreme Heat Watch

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Tonight

Tomorrow

5-Day Outlook

A Heat Advisory is in effect for the Rio Grande Valley (Starr, Hidalgo, Cameron, Willacy) and Kenedy County, except for the barrier island, for afternoon heat index values generally between 110 and 114F. People outdoors should hydrate continuously and take frequent breaks; all should seek cooler locations.

With the hottest "feels-like" temperatures in three years (since mid-June 2023) on their way to the Valley, it's critical to follow these heat-safety tips beginning Wednesday and continuing through at least Friday. Most importantly, find cool locations by day and especially at night.

After a cloudy and stormy Monday and especially Tuesday, hazy sunshine returns to the beaches today. With oppressive heat returning inland, the beach will be inviting...but be aware of moderate south-to-north longshore currents, embedded rip currents, and difficult swimming conditions.

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.

Dangerous "feels-like" temperatures peak on Thursday (Extreme Heat) and may continue into Friday before easing back a few degrees to more typical late-June levels as the summer solstice arrives on Sunday. Isolated to perhaps scattered late Saturday afternoon and evening thunderstorms may reach the Rio Grande Plains and Brush Country.

*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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