Texas Severe Flood Warning | Effective 06/21/2026 17:35

Headline: 
Flood Warning issued June 21 at 7:35PM CDT until June 25 at 4:00PM CDT by NWS Houston/Galveston TX
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 21, 2026 - 5:35pm
Expires: 
June 22, 2026 - 11:45am
Description: 
...The Flood Warning is extended for the following rivers in Texas... Navasota River near Normangee affecting Brazos, Madison and Grimes 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 Thursday afternoon. * IMPACTS...At 18 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. At 20 feet, major lowland flooding begins with massive inundation of the floodplain as the river is close to 2 miles wide and OSR become inundated one half mile on the right bank and 1.5 miles on the left bank. * ADDITIONAL DETAILS... - At 7:00 PM CDT Sunday the stage was 10.8 feet. - Bankfull stage is 12 feet. - Forecast...The river is expected to rise above flood stage Monday morning and continue rising to a crest of 19.2 feet Monday night. It will then fall below flood stage Thursday morning. - Flood stage is 15 feet. - Flood History...This crest compares to a previous crest of 19.2 feet on 01/05/2019. - http://www.weather.gov/safety/flood
Instruction: 
Motorists should not attempt to drive around barricades or drive cars through flooded areas. 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 Monday afternoon at 145 PM CDT.
Area Description: 
Brazos, TX; Grimes, TX; Madison, TX
Forcast Office: 
NWS Houston/Galveston TX