Houston, Texas – Showers and thunderstorms could drench Houston and surrounding Harris County by early Tuesday afternoon, with dangerous heat building across the city. By 1 p.m., residents can expect a 30 percent chance of storms as temperatures soar to 94°F, with a heat index as high as 103°. Those traveling along I-45 and I-69 should watch for slick roads and sudden downpours.
According to the National Weather Service, showers and storms may develop after 1 p.m. on Tuesday, July 15th, as southerly winds increase to 10 mph. New rainfall could reach a quarter inch or more in some neighborhoods, especially where thunderstorms linger. Outdoor plans may need adjusting as the heat index climbs, making hydration and shaded breaks essential.
Throughout the week, sunshine will briefly return on Wednesday, with highs near 95°F and mostly clear skies. By Thursday, mostly sunny conditions continue, but storm chances return Thursday night into Friday, bringing a 50 percent risk of additional showers and thunderstorms. Friday’s high will reach around 91°F, with clouds persisting into the weekend.
Partly cloudy, hot weather dominates the weekend, with highs in the low-to-mid 90s and occasional storm chances continuing through Sunday.
Five-Day Houston Forecast (July 15th–20th):
- Tuesday: Chance of afternoon storms, high 94°F
- Wednesday: Sunny, high 95°F
- Thursday: Mostly sunny, high 94°F
- Friday: Showers and storms likely, high 91°F
- Saturday–Sunday: Partly cloudy, highs near 93°F, isolated showers possible
