⚠️ Flash Flood Warning – Brazoria, TX; Matagorda, TX – Sunday, June 21, 2026

Flash Flood Warning issued June 21 at 6:17AM CDT until June 21 at 8:00AM CDT by NWS Houston/Galveston TX

Details

FFWHGX

The National Weather Service in League City has issued a

* Flash Flood Warning for…
Southwestern Brazoria County in southeastern Texas…
Northeastern Matagorda County in southeastern Texas…

* Until 800 AM CDT.

* At 617 AM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
1 and 2.5 inches of rain have fallen. Additional rainfall amounts
of 1 to 3 inches are possible in the warned area. Flash flooding
is ongoing or expected to begin shortly.

HAZARD…Flash flooding caused by thunderstorms.

SOURCE…Radar and automated gauges.

IMPACT…Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include…
Bay City, West Columbia, Sweeny, Van Vleck, western Wild Peach
Village, Markham, Wadsworth and Damon.

Instructions

Turn around, don’t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.