Miami's weather forecast includes a 20% chance of morning showers and thunderstorms, with highs near 90 and a breeze. The weekend looks clearer with rip current risks and daytime highs in the low 90s.

Boston experiences extreme heat, humidity, and potential thunderstorms, prompting caution regarding outdoor activities. The National Weather Service warns of severe weather risks, while a cold front is expected to bring relief tonight into Saturday.

The National Weather Service issued a heat advisory for the DC area with a heat index up to 109 expected, advising residents to take precautions against heat illnesses.

The National Weather Service has issued an extreme heat warning for parts of Delaware, New Jersey, and southeastern Pennsylvania, with heat index values up to 107 degrees expected.

Pittsburgh to experience thunderstorms due to a stalling cold front, with potential flash flooding, high temperatures, and occasional gusty winds, persisting through the weekend.

The National Weather Service Cleveland forecasts a weekend of mixed weather for the southern Great Lakes region, with unpredictable showers, thunderstorms, and humidity, requiring vigilance for outdoor activities.

High temperatures, humidity, and thunderstorms forecasted across Columbus, Cincinnati, Wilmington with local heavy rainfall, heat advisories, and potential for localized flooding.

The National Weather Service issued a Heat Advisory and Extreme Heat Watch for central North Carolina, warning of heat index values up to 112 degrees and the increased risk of heat-related illnesses.

Orlando anticipates extreme heat, with temperatures in the 90s and heat indices of 102-106 degrees. The National Weather Service warns of dangerous conditions and possible Heat Advisories. Residents are urged to stay cool and hydrated.

An Extreme Heat Warning is in effect in St. Louis, with heat index values potentially reaching 114 degrees, increasing the risk of heat-related illnesses.

Baltimore is expecting a period of extreme heat and potential thunderstorms, with temperatures in the mid to upper 90s and the possibility of severe storms and flash flooding.

Weather forecast in Jacksonville, FL warns of high summer temperatures with heat indices reaching above 100°F and potential for sudden showers and thunderstorms.

Nashville's heat advisory warns of heat index values up to 105, with the National Weather Service advising residents to take precautions against potential heat illnesses.