Houston, TX – Heat and humidity will dominate Houston this week, with dangerous heat index values near 103°F and a growing risk of afternoon thunderstorms, especially by Thursday. Residents should brace for possible power disruptions and slippery roads during peak heat hours as storms approach.
According to the National Weather Service, a 30 percent chance of storms will develop Wednesday afternoon, with the risk increasing to 40 percent by Thursday and again Saturday. Highs will remain in the low 90s, but oppressive humidity will make it feel much hotter. Winds are expected to stay light, offering little relief. Isolated downpours could cause brief street flooding, and lightning is a risk for anyone outdoors.
Wednesday:
Mostly sunny, heat index up to 103°F. A few afternoon storms possible, especially south and west of the city.
Thursday:
Thunderstorms become more likely after 1 p.m. High 93°F, heat index as high as 102°F. Expect occasional heavy rain, gusty winds.
Friday:
Still hot, some sun, 30 percent storm chance. High 93°F.
Saturday:
Another round of storms possible after 1 p.m., high near 92°F.
Sunday:
Slightly less humid, mostly sunny, highs near 91°F.
Stay weather-aware through the weekend, as the threat of storms and dangerous heat continues. Further advisories are possible if conditions worsen.
Five Day Forecast for Houston, TX:
- Wednesday: High 91°F, PM thunderstorm chance, heat index 103°F
- Thursday: High 93°F, 40% chance of afternoon storms, heat index 102°F
- Friday: High 93°F, 30% chance of afternoon storms
- Saturday: High 92°F, 40% chance of afternoon storms
- Sunday: High 91°F, mostly sunny, less humid
