Brownsville/Rio Grande Valley, TX

News Headlines

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Click a location below for detailed forecast.

Last Map Update: Wed, Sep 30, 2026 at 10:54:14 am CDT

Watches, Warnings & Advisories

National Weather Service Corpus Christi, TX

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Heat Advisory

Small Craft Advisory

Flood Watch

Special Weather Statement

Moderate Risk for Flooding Late Week

Forecast Rainfall through Saturday Morning

Another Hot Afternoon Today

Beachcast

5-Day Outlook

A slow-moving cold front combined with tropical moisture will result in widespread heavy showers and storms by late Thursday and linger into the weekend. Heavy rainfall may lead to flash flooding. There is still uncertainty on the timing and where the heavy rain may set up, so check back for updates!

A front will bring widespread rain chances later this week into this weekend. Between Thursday afternoon/evening to Saturday morning, widespread rainfall totals of 2-4 inches are expected, but locally higher amounts of 3-6+ inches are possible. The greatest rainfall totals are expected in western counties (Zapata, Jim Hogg, Starr). Heavy rain can lead to flash flooding, especially in poor drainage, low-lying, and urban areas.

Another hot afternoon is in store today across Deep South Texas with widespread heat indices in the triple digits. If spending time outdoors, be sure to stay hydrated and take steps to avoid heat illness.

Warm temperatures and a moderate risk of rip currents are forecast for area beaches today.

Hot temperatures will continue through Thursday. Unsettled weather returns by late Thursday and continues into the weekend, bringing widespread rain chances and cooler temperatures. Locally heavy rainfall may result in flash flooding.

*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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