HOUSTON — A storm system expected to move into the Houston area Tuesday night into Wednesday morning could bring widespread rain, isolated severe weather and possible street flooding as Southeast Texas begins what will be a wet week ahead.
According to KHOU 11 Chief Meteorologist David Paul, most of Tuesday is expected to remain relatively quiet with only isolated showers possible during the daytime hours. However, rain chances are forecast to increase sharply late Tuesday afternoon and into the evening as the first widespread round of rain moves into the region.
The heaviest weather is expected between about 7 p.m. Tuesday and 7 or 8 a.m. Wednesday. We have a Weather Impact Alert in effect from 8 p.m. Tuesday until 8 a.m. Wednesday. The storm system could bring widespread rain, gusty thunderstorms, isolated hail and isolated strong wind gusts capable of breaking tree limbs and causing isolated power outages.
Some areas could receive 3 to 5 inches of rain from Tuesday night into Wednesday morning alone, potentially creating ponding on roads and street flooding issues during the Wednesday morning commute. Drivers could also encounter low visibility and difficult travel conditions during heavier downpours.
The greatest risk for stronger thunderstorms appears to be north of the Houston metro area, including areas near Brenham, Washington County, Bryan, Madisonville and Franklin, where the Storm Prediction Center has outlined a Level 2 severe weather risk. Most of the Houston area remains under a Level 1 risk, which typically means a few storms could become strong or briefly severe.
Humidity also continues to build across Southeast Texas ahead of the storm system. Temperatures Monday climbed into the mid-80s, but high humidity pushed heat index values into the 90s. Southeast winds between 15 and 20 mph are expected to continue feeding Gulf moisture into the region throughout the week.
Rainfall totals through Memorial Day could exceed eight inches in isolated areas, although the exact placement of the heaviest rain remains uncertain. Keep your umbrellas handy and monitor changing forecasts throughout the week.
Harris County (including Houston, Pasadena, Baytown), Fort Bend County (Richmond, Sugar Land, Missouri City), Montgomery County (Conroe, The Woodlands), Brazoria County (Angleton, Pearland, Alvin, Lake Jackson), Galveston County (Galveston, League City, Texas City), Liberty County (Liberty, Cleveland, Dayton), Walker County (Huntsville, New Waverly), Waller County (Hempstead, Prairie View, Waller), Polk County (Livingston, Corrigan), Chambers County (Anahuac, Mont Belvieu, Winnie), Wharton County (Wharton, El Campo), Washington County (Brenham), Matagorda County (Bay City, Palacios), Grimes County (Anderson, Navasota), Austin County (Bellville, Sealy), Colorado County (Columbus, Eagle Lake, Weimar), Trinity County (Groveton, Trinity).
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