Houston, TX Weather: Thunderstorm Chances Continue Into Tuesday Before September Heat Rises Midweek

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Houston, Texas – Storms could disrupt Labor Day plans across southeast Texas as showers and thunderstorms develop Monday afternoon. Drivers along I-45 and Beltway 8 should prepare for slowdowns, ponding on roads, and reduced visibility.

According to the National Weather Service, Houston faces a 50 percent chance of thunderstorms after 10 a.m. Labor Day, with heavier downpours possible in pockets of Harris County. Rainfall amounts may range from a quarter-inch to locally higher totals in storm cores. East winds around 5 mph will add little relief from the humidity.

Storm chances taper off into Tuesday morning, with only a 20 percent risk before sunshine dominates the afternoon. Temperatures climb into the low 90s by Tuesday and will hold near 93°F Wednesday and Thursday under clear skies. Nights stay muggy, with lows in the mid-70s.

Residents should remain cautious during the Labor Day holiday, avoiding flooded intersections and keeping phones charged in case of power outages. Outdoor plans Tuesday onward look more favorable as drier, warmer conditions take over.

By midweek, southeast Texas transitions into a hot, late-summer stretch, with highs pushing the mid-90s. Officials remind residents to stay hydrated, limit time outdoors during peak heat, and check on vulnerable neighbors.

Five Day Forecast for Houston, Texas

  • Tuesday: Slight chance of storms early, high 92°F.
  • Wednesday: Sunny, high 93°F.
  • Thursday: Sunny, high 93°F.
  • Friday: Mostly sunny, high 91°F.
  • Saturday: Storm chance increases to 40%, high 89°F.