Houston, TX – Thunderstorms are expected to develop over Houston on Wednesday, bringing the potential for heavy rain and lightning just in time for the afternoon commute. Temperatures will climb to near 94°F, but with a heat index topping 105°F before storms arrive, the day will feel sweltering until clouds and rain provide some relief.
According to the National Weather Service, a slight chance of showers will start before 10 a.m., increasing to a 60% chance of thunderstorms by early afternoon. Some storms could be strong, producing brief heavy downpours and localized street flooding, especially in low-lying or poorly drained areas of Harris County. Winds will stay light, but drivers should expect delays on I-45, US-59, and the 610 Loop during peak hours.
Residents planning outdoor activities Wednesday afternoon should have a backup plan and avoid open areas during lightning. The storm chance will taper off by late evening, leaving mostly clear skies overnight with a low near 80°F.
More storms are possible Thursday afternoon before a slightly calmer Friday, but hot, humid conditions remain through the weekend.
Five Day Houston, TX Forecast:
- Tuesday: Mostly sunny, 40% chance of storms after 1 p.m. High 93°F, low 80°F
- Wednesday: 60% chance of thunderstorms, especially after 1 p.m. High 94°F, low 80°F
- Thursday: 50% chance of storms after 10 a.m. High 94°F, low 80°F
- Friday: Mostly sunny, 30% chance of storms after 1 p.m. High 93°F, low 80°F
- Saturday: 40% chance of storms, mostly sunny. High 94°F, low 80°F
