Flood Warning Issued for Brazoria, Galveston, Harris Counties TX
This alert is no longer in effect.
NOAA issued it on July 27, 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.
A Flood Warning is in effect until 9 PM CDT June 20 for Brazoria, Galveston and Harris counties in southeast Texas due to excessive rainfall causing flooding.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Southeast Texas
- Issued
- July 27, 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 Southeast Texas.
Alert Details
Flood Warning issued by NWS Houston/Galveston TX. Effective from 2026-06-20T19:16:00-05:00 until 2026-06-20T21:00:00-05:00. Severity: Severe. Certainty: Likely. Urgency: Expected.
Affected Areas
Brazoria County TX, Galveston County TX, Harris County TX. Specific locations include Southeastern Pasadena, Pearland, League City, Texas City, Friendswood, La Porte, Alvin, Dickinson, Santa Fe, Seabrook, Webster, Manvel, Kemah, Clear Lake, South Belt / Ellington, Greater Hobby Area, Nassau Bay, Taylor Lake Village, El Lago and Shoreacres.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Expected Conditions
Flooding caused by excessive rainfall is expected. Between 2 and 5 inches of rain have fallen. Streams remain elevated due to excess runoff from earlier rainfall. Flooding impacts will continue, but no additional rainfall is expected.
Timeline
Alert effective starting 2026-06-20T19:16:00-05:00 and ends 2026-06-20T21:00:00-05:00.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
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 (1,034 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 27, 2026.
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Common questions about this NWS weather alert.