⚠️ Flash Flood Warning – Grimes, TX; Montgomery, TX; Waller, TX – Thursday, October 1, 2026

Flash Flood Warning issued October 1 at 7:37PM CDT until October 1 at 10:30PM CDT by NWS Houston/Galveston TX

Details

FFWHGX

The National Weather Service in Houston/Galveston has issued a

* Flash Flood Warning for…
Southeastern Grimes County in southeastern Texas…
Southwestern Montgomery County in southeastern Texas…
Northeastern Waller County in southeastern Texas…

* Until 1030 PM CDT.

* At 737 PM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
4 and 6 inches of rain have fallen. Additional rainfall amounts of
2 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…
Pinehurst, Magnolia, Stagecoach, Todd Mission, Dobbin and
Plantersville.

Instructions

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

Be aware of your surroundings and do not drive on flooded roads.

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