⚠️ Flood Warning – Brazos, TX; Grimes, TX; Madison, TX – Saturday, June 20, 2026

Flood Warning issued June 20 at 8:21PM CDT until June 26 at 4:00AM CDT by NWS Houston/Galveston TX

Details

…The National Weather Service in Houston/Galveston TX has issued a
Flood Warning for the following rivers in Texas…

Navasota River near Normangee affecting Grimes, Brazos and
Madison Counties.

For the Navasota River…including Normangee…Moderate flooding is
forecast.

* WHAT…Moderate flooding is forecast.

* WHERE…Navasota River near Normangee.

* WHEN…From Monday morning to early Friday morning.

* IMPACTS…At 18.0 feet, Moderate lowland flooding begins as three
channels merge into one below State Highway 21. There is
widespread inundation of the floodplain in the vicinity of the
gage with the river more than 1.5 miles wide. Long Trussel Road in
northeast Brazos County below State Highway 21 becomes inundated.

* ADDITIONAL DETAILS…
– At 8:00 PM CDT Saturday the stage was 8.5 feet.
– Bankfull stage is 12 feet.
– Forecast…The river is expected to rise above flood stage
Monday morning and crest near 19.9 feet late Monday evening.
It will then fall below flood stage Thursday afternoon.
– Flood stage is 15 feet.
– Flood History…This crest compares to a previous crest of
19.8 feet on 05/28/2015.
– http://www.weather.gov/safety/flood

Instructions

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

Additional information is available at www.weather.gov/hgx.

The next statement will be issued Sunday afternoon at 230 PM CDT.

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