Heat advisory issued for central Indiana, including Indianapolis, with high heat index values expected; NWS advises precautions to prevent heat illnesses.

The National Weather Service in Cleveland has issued a Heat Advisory for Ohio and parts of Pennsylvania, warning of high temperatures and humidity, with heat indices between 100 and 104 degrees.

An Extreme Heat Warning is in effect for New York City, with temperatures reaching 100°F, prompting public health concerns and advisories to stay cool.

Charlotte faces intense heat with mid to upper 90s temperatures and potentially hazardous heat indices; advisories suggest staying hydrated and indoors.

Residents in Columbus, Cincinnati, and Wilmington are warned of extreme heat and humidity with temperatures in the 90s and heat index values over 100 degrees, as per the NWS. A heat advisory is in effect through Wednesday.

Jacksonville's weather forecast predicts mostly sunny days with occasional showers and thunderstorms, highs around 91-96°F, and mild nights around 75°F.

Tampa will have hot, mostly sunny days with thunderstorms possible and highs near 94°F, heat index at 102, and light winds. Nights around 76°F, with ongoing heat and thunderstorm chances throughout the week.

Miami is set for a rainy week with high humidity, thunderstorms likely, and temperatures around 88 degrees. Conditions may improve with less rain and more sunshine later in the week.

San Antonio is expecting warm weather this week, with temperatures in the mid-90s, clear skies, and occasional gusty winds. Nights will be partly cloudy with lows in the mid-70s.

The National Weather Service in Pittsburgh has issued an Extreme Heat Warning and Advisory due to an imminent heatwave with temperatures that may break records.

The National Weather Service has issued an Extreme Heat Watch for parts of DC, Maryland, and Virginia, with heat index values up to 110 degrees expected. Residents are advised to take precautions against the dangerous heat.

Orlando faces a pattern of daily showers and storms with near to below-normal precipitation, hot and humid conditions through next week, and a moderate risk of rip currents at beaches.

Boston faces a heat wave with early thunderstorms, soaring temperatures, and an Extreme Heat Warning, with advisories urging residents to take precautions. Relief is expected later in the week.