Brownsville/Rio Grande Valley, TX

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New: October-December2026 Outlook - After a brutally hot and dry September, October brings the pattern change to wetter and less hot, with above average rainfall to close out 2026; flash flooding, water supply, & hazardous marine conditions in focus

Click a location below for detailed forecast.

Last Map Update: Fri, Oct 2, 2026 at 5:40:11 pm CDT

Watches, Warnings & Advisories

National Weather Service Corpus Christi, TX

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Flood Watch

Coastal Flood Statement

Today and Saturday Risk for Flash Flooding

Coastal Flood Statement

Forecast Rainfall through Sunday Night

Rain Continues into Early Next Week

Beachcast

5-Day Outlook

A slow-moving front combined with deep moisture will result in scattered to numerous showers and storms into the weekend. Heavy rainfall may result in isolated flash flooding across portions of the region Friday and into the weekend.

A Coastal Flood Statement goes into effect tonight at 10 PM for all deep South Texas barrier islands. Near high tide at 1:27 AM, expect narrow beaches and water nearing the dunes at narrow beaches. Beach equipment may be moved by waves. Elevated water levels are possible across the Laguna and South Bay, and along State Highway 4 west of Boca Chica State Park.

A front passing late Friday will bring widespread rain chances into this weekend. The location of heaviest rainfall will shift from west to east this weekend, with greater rainfall amounts expected in the RGV and along the coast. Between today to Sunday night, widespread totals of 1-3 inches are expected, but locally higher amounts of 3-5+ inches are possible. Heavy rain can lead to flash flooding, especially in poor drainage, low-lying, and urban areas.

While the heaviest rain late this week has been focused in western portions of deep South Texas, the passage of a cold front today will allow for more rain to fall in the RGV and along the coast this weekend into early next week. There is a 50% chance or greater than rainfall amounts could exceed 2 inches between Sunday and Tuesday for the RGV and along the coast. Flooding is possible in urban, low-lying, and poor drainage areas.

Warm temperatures and a moderate risk of rip currents are forecast for area beaches today. Isolated to scattered showers and storms are also possible.

Rain chances and cooler temperatures are expected through early next week due to an unsettled weather pattern. Locally heavy rainfall may result in minor flooding issues or 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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