Texas Flood Watch | Effective 05/01/2026 09:27

Headline: 
Flood Watch issued May 1 at 11:27AM CDT until May 2 at 4:00AM CDT by NWS Houston/Galveston TX
Event: 
Flood Watch
Urgency: 
Future
Effective: 
May 1, 2026 - 9:27am
Expires: 
May 2, 2026 - 2:00am
Description: 
Widespread 1 to 3 inches of rainfall has already fallen in the last 12 hours. A swath of 3 to 5 inches has been observed from Colorado County to NW Harris County. Waves of showers and storms will continue to produce rain rates of 1 to 2+ inches per hour through the evening hours. Training of cells and short duration intense rainfall may cause localized flooding. The Flood Watch is in effect until 3AM Saturday morning. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of southeast Texas, including the following areas, Austin, Brazos, Burleson, Coastal Harris, Colorado, Fort Bend, Grimes, Inland Harris, Madison, Montgomery, Northern Liberty, Polk, San Jacinto, Southern Liberty, Trinity, Walker, Waller, Washington and Wharton. * WHEN...Through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Waves of showers and storms continue to produce localized high rain rates and the potential for several inches of rain in a short time. - http://www.weather.gov/safety/flood
Instruction: 
You should 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.
Area Description: 
Trinity; Madison; Walker; San Jacinto; Polk; Burleson; Brazos; Washington; Grimes; Montgomery; Northern Liberty; Colorado; Austin; Waller; Inland Harris; Wharton; Fort Bend; Southern Liberty; Coastal Harris
Forcast Office: 
NWS Houston/Galveston TX
Sender: 
w-nws.webmaster@noaa.gov