Brownsville/Rio Grande Valley, TX

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New: Preliminary Damage Survey Of Harlingen To Laureles Texas Microburst Event On May 9, 2026
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New: The 2026 Rio Grande Valley/Deep South Texas Hurricane Guide is Here!
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New: May-July 2026 Outlook: Hotter than normal temperatures are favored to continue into the upcoming summer season; precipitation remains a toss-up; drought, heat risk increases, occasional heavy rain/flooding, & water supply issues remain in focus

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Last Map Update: Tue, May 19, 2026 at 5:20:19 am CDT

Watches, Warnings & Advisories

National Weather Service Corpus Christi, TX

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Special Marine Warning

Flood Advisory

Small Craft Advisory

Rip Current Statement

Isolated Severe Thunderstorms Late Tonight

Small Craft Advisory

Coastal Hazards

Rain Possible Later This Week

Beachcast

5-Day Outlook

Today

There is a low to moderate chance for thunderstorms across deep South Texas late tonight, with isolated severe thunderstorms possible across the upper RGV, Rio Grande Plains, and western Ranchlands. In any severe storm, large hail (1 inch or larger) and damaging winds (58 mph or greater) will be the main threats.

A Small Craft Advisory remains in effect for the offshore Gulf waters through 9 AM. A Small Craft Advisory is now in effect for the Laguna Madre and Nearshore Waters through 7 PM this evening. Southeast winds 15 to 25 knots and seas of 4-7 feet.

A High Risk of Rip Currents continues along local beaches through early this evening.

There is a Marginal Risk (level 1 of 4) of excessive rainfall across Deep South Texas from Wednesday to Saturday morning. A stalling front to our north will increase rain chances from tonight onwards (generally 30-60%), with the greatest chances (50-80%) overnight Thursday. Rainfall over this time period will most likely be between 1 to 2 inches, with locally heavier amounts of 3 to 4 inches or more possible. Continue to check back for updates to the forecast.

There is a High Risk of rip currents at area beaches today.

Increasing chances of showers and thunderstorms will bring some relief from the heat by late week. Daily rain chances will continue into the weekend.

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

*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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