Brownsville/Rio Grande Valley, TX

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New: April-June 2026 Outlook: Warmer than normal temperatures are favored to continue; precipitation is a toss-up; drought, heat risk increases, occasional heavy rain/flooding, & water supply issues are in focus

Click a location below for detailed forecast.

Last Map Update: Fri, Apr 17, 2026 at 11:58:16 am CDT

Watches, Warnings & Advisories

National Weather Service Corpus Christi, TX

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Small Craft Advisory

Isolated Flash Flooding Possible Sunday

Forecast Rainfall Totals

Beachcast

5-Day Outlook

Today

Tonight

Tomorrow

There is a Marginal (Level 1 of 4) Risk of excessive rainfall Sunday across Deep South Texas. Rainfall with a cold front this weekend may be heavy at times, which can lead to isolated flash flooding in low lying, poor drainage, or urban areas.

A cold front late Saturday into Sunday will bring mostly beneficial rain this weekend, with rain likely on Sunday. Across the region, forecast rainfall amounts through Monday are 1 to 2 inches, with locally higher amounts of 3 to 4 inches possible. Locally heavy rainfall may lead to isolated flash flooding in low lying, poor drainage, or urban areas. Be sure to stay tuned to the forecast!

A partly sunny at the beach with high temperatures in the lower 80s and a MODERATE RISK of rip currents in the surf zone.

While Saturday is expected to be warm and dry, rain chances will increase for Sunday and the early work week as a cold front moves through the region. While temperatures will cool for a few days, they are expected to increase fairly quickly.

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.

*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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