Flash Flood Warning for Brazoria and Matagorda Counties in Texas
This alert is no longer in effect.
NOAA issued it on July 28, 2026, 3 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Houston/Galveston has issued a Flash Flood Warning for southwestern Brazoria County and northeastern Matagorda County until 8:00 AM CDT.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Southeastern Texas
- Issued
- July 28, 2026
- Issuing authority
- NWS Houston/Galveston TX
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 3 weeks ago; use the issuing agency's live warning service for current conditions in Southeastern Texas.
Alert Details
A Flash Flood Warning has been issued by the National Weather Service Houston/Galveston TX. The alert is effective from June 21, 2026 at 6:17 AM CDT until June 21, 2026 at 8:00 AM CDT.
Affected Areas
The warning covers southwestern Brazoria County and northeastern Matagorda County in southeastern Texas. Specific locations that will experience flash flooding include Bay City, West Columbia, Sweeny, Van Vleck, western Wild Peach Village, Markham, Wadsworth and Damon.
What You Should Do
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.
Expected Conditions
At 6:17 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 is flash flooding caused by thunderstorms.
Timeline
The alert was sent, effective, and onset at 2026-06-21T06:17:00-05:00 and expires/ends at 2026-06-21T08:00:00-05:00.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,382 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 28, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.