Rain, temperature swings expected across regions

Houston and Southeast Texas are expected to turn hot and humid this week as southerly winds bring in moisture, pushing afternoon highs into the 90s and heat index values to around 100–103 degrees. Scattered showers and thunderstorms are possible, with rain chances rising early in the week and the greatest potential for heavier rainfall on Tuesday and Friday, though amounts may vary locally. A significant cooldown could arrive next weekend.