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Flood Watch Issued for South Central and Southeast Texas

June 15, 2026 · wweather1 editorial · 2 min read

A Flood Watch has been issued by the NWS Houston/Galveston TX for portions of south central and southeast Texas. The watch is in effect from June 15 at 4:07 AM CDT until June 17 at 7:00 AM CDT.

The Flood Watch, classified as high severity, indicates that flooding caused by excessive rainfall continues to be possible. This watch was issued on June 15 at 4:07 AM CDT by the NWS Houston/Galveston TX and is expected to remain in effect until June 17 at 7:00 AM CDT.

The affected areas include portions of south central Texas, specifically Coastal Jackson and Inland Jackson. In southeast Texas, the watch covers Austin, Bolivar Peninsula, Brazoria Islands, Brazos, Burleson, Chambers, Coastal Brazoria, Coastal Galveston, Coastal Harris, Coastal Matagorda, Colorado, Fort Bend, Galveston Island, Grimes, Houston, Inland Brazoria, Inland Galveston, Inland Harris, Inland Matagorda, Madison, Matagorda Islands, Montgomery, Northern Liberty, Polk, San Jacinto, Southern Liberty, Trinity, Walker, Waller, Washington, and Wharton.

Rounds of showers and thunderstorms are expected in the watch area, with periods of heavy rain. Rainfall totals through Wednesday night are projected to range between 2 to 7 inches, with isolated higher amounts possible. Rainfall rates could reach 2-5 inches per hour at times.

Excessive runoff from these conditions may lead to flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.

Why it is dangerous and what to do

⚠️ Safety
• Monitor later forecasts and be alert for possible Flood Warnings.
• Those living in areas prone to flooding should be prepared to take action should flooding develop.
• Avoid driving or walking through flooded roads and areas.
📊 The numbers, from wweather1 data
Houston: now +26°, Rain showers.
Three-day forecast: 15 June: +28°/+25° · 16 June: +28°/+24° · 17 June: +28°/+23°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates.

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📰 Data source: NWS. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.

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