Brownsville/Rio Grande Valley, TX

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Last Map Update: Mon, Jun 15, 2026 at 10:56:22 am CDT

Watches, Warnings & Advisories

National Weather Service Corpus Christi, TX

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Flash Flood Warning

Flood Warning

Flood Advisory

Coastal Flood Advisory

Flood Watch

Flash Flooding Likely This Week

Tropical Weather Outlook

Tonight

Tomorrow

A Flood Watch has been issued for all of Deep South Texas from Monday afternoon into Wednesday morning, with estimated rainfall amounts of 3-6 inches, and isolated amounts of 8 inches or more where heavier showers or thunderstorms persist.

Most of deep south Texas is under a MODERATE RISK (Level 3 of 4) of excessive rainfall on Monday, when NUMEROUS FLASH FLOODING IS LIKELY, while the easternmost areas are under a Slight Risk (Level 2 of 4) for scattered flash flooding. The entire region is placed within a Slight Risk of scattered flash flooding on Tuesday and the eastern half of our area is under a Marginal Risk (Level 1 of 4) to Slight Risk of isolated to scattered flash flooding on Wednesday. We currently anticipate that most areas are likely to receive 3-6 inches of rain Monday through Wednesday, with localized amounts up to 8+ inches.

A broad area of low pressure is situated over the east coast of Mexico. Development is not expected as the system moves inland. However, the system could re-emerge over the northwestern Gulf on Tuesday or Wednesday. Conditions may support storm development by mid-week. ⚫ Formation chance through 48 hours...low...0 percent. 🟡 Formation chance through 7 days...low...30 percent.

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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