Kansas City weather: Heat dome overhead the region for holiday week [txMs0cEeAcs]

Health Updated on August 09, 2026 EDT — Published on August 09, 2026 EDT

Expect muggy conditions overnight with lows only dipping to a stuffy 78 degrees. Tuesday will be hazy, hot, and humid, with highs in the low 90s and a heat index soaring into the triple digits. KMBC 9 is your home for Missouri breaking news and weather. For your latest Missouri news and weather visit: For licensing inquiries: