Severe Weather in Grimes County, Texas

Every severe weather report published for Grimes County, Texas, newest first.

Severe WeatherAug 31, 2026, 11:53 a.m. ET
Flood Watch Extended Through Wednesday Morning for San Jacinto, Polk, Montgomery and Southeast Texas
The National Weather Service has extended the Flood Watch for southeast Texas, including San Jacinto, Polk and Montgomery counties, now in effect from late Monday night through Wednesday morning.
Severe WeatherAug 20, 2026, 3:23 p.m. ETRevised · v2
Heat Advisory in Effect for Central and South Central Texas Through Sunday
The National Weather Service Austin has issued a Heat Advisory covering 18 counties from Thursday afternoon through Sunday evening, ending at 7 PM CDT.

Flood Watch Extended Through Wednesday Morning for San Jacinto, Polk, Montgomery and Southeast Texas