Houston, Texas – Drivers in southeast Texas should prepare for heat, humidity, and a growing chance of thunderstorms as summer weather escalates across the Houston area Thursday, July 17.
According to the National Weather Service, a 20% chance of showers and thunderstorms begins after 1 p.m. Thursday, increasing to 30% overnight. Afternoon highs will push near 95°F, but the heat index could reach 102°F. Winds from the south at 5 to 10 mph may offer little relief. Residents are urged to limit outdoor activity, hydrate, and check vehicles for overheating—especially along major routes like I-45 and U.S. 59.
Friday brings a higher risk of storms, with a 70% chance of widespread showers and thunderstorms after 1 p.m., impacting both the evening commute and outdoor plans. While highs will fall slightly to 88°F, humidity will remain high, adding to discomfort. Rain chances taper slightly into Friday night but continue into Saturday at 40%.
Looking ahead, the weekend starts stormy but clears by Sunday. Saturday stays partly sunny with a high near 90°F and another round of scattered showers. Sunday through Tuesday offers some relief: mostly sunny skies, highs in the low 90s, and no rain expected.
⚠️ Stay weather-aware through Friday night as strong downpours may reduce visibility and create brief street flooding. NWS may issue additional advisories if conditions worsen.
📆 Five-Day Houston Forecast (July 17–22):
- Thursday: 20% chance of PM storms. High: 95°F (Feels Like 102°F)
- Friday: 70% chance of PM storms. High: 88°F
- Saturday: 40% chance of storms. High: 90°F
- Sunday: Mostly sunny. High: 92°F
- Monday: Mostly clear. High: 94°F
- Tuesday: Sunny and hot. High: 94°F
