Houston faces extreme heat with possible thunderstorms and high heat index values, conditions exacerbated by a high-pressure system. A weather change is expected later in the week.

Dallas is experiencing a severe heatwave with temperatures near 100°F and heat index values up to 108°F. A heat advisory is in effect, with warnings about heat-related illnesses and advice on precautions.

The article provides a weather forecast for New Orleans, predicting heat, high humidity, and thunderstorms throughout the week, with mostly sunny conditions and high heat indexes.

Raleigh's weather forecast includes scattered showers and thunderstorms with high humidity and temperatures reaching the 90s. A 30% chance of precipitation is expected, with possible increased rainfall from thunderstorms.

Jacksonville, FL faces showers, thunderstorms, and high heat index; evening may clear up, with continued varied weather and high rip current risk into Thursday.

The NWS in Cleveland forecasts high pressure and cooler conditions in the Great Lakes region, then a warmer, wetter spell with possible thunderstorms, followed by more high pressure.

The article provides a detailed forecast for central Indiana, highlighting mostly cloudy skies, chances of thunderstorms, and temperatures ranging from the 70s to high 80s.

Boston's weather forecast promises a week of sunny skies with cooler temperatures, highs in the 70s, and a breeze from the east. Isolated showers may occur midweek, while Erin is expected to affect coastal conditions without impacting weather inland.

Atlanta's weather forecast includes sunny spells mixed with chances of thunderstorms throughout the week, including potential evening showers and comfortable nighttime temperatures.

The NWS has issued a heat advisory for parts of Illinois and Missouri due to high temperatures and humidity, with warnings of heat illnesses and advisories to take precautions.

Charlotte's weather forecast includes sunny days, potential showers, and thunderstorms, with temperatures ranging from the high 70s to low 90s throughout the week.

The NWS forecasts a brief warmup with humidity and possible storms in Columbus, Cincinnati, and Wilmington, following current near-normal temperatures.

San Antonio's weather over the next week includes a mix of sunshine, high temperatures around 100 degrees, and intermittent chances of rain and thunderstorms.