Cooler air in Boston breaks the heat, offering a pleasant beach day with highs of 83°F and gusty winds. The weekend may warm up before possible Sunday showers and thunder. Clearer skies are expected to return early next week.

St. Louis faces a long-duration heatwave with high temperatures and humidity, prompting residents to take precautions to avoid heat-related illnesses.

The National Weather Service warns of potential flooding and severe thunderstorms in Baltimore, with a Flood Watch issued for parts of Maryland, Virginia, and West Virginia.

The National Weather Service forecasts mostly sunny days and potential evening showers in New York, with minor temperature and wind variations across boroughs.

The Philadelphia area's weather is expected to fluctuate, with sunny spells, showers, and possible thunderstorms in the coming days, per the NWS forecast.

Washington D.C.'s forecast includes sun, clouds, potential storms, and a Flood Watch. Highs may reach 92 degrees with chances of severe thunderstorms.

Tampa residents will experience a mix of sun and thunderstorms with potentially dangerous heat indices reaching up to 106°F. The NWS advises precautions against heat-related illnesses.

The National Weather Service in Indianapolis forecasts mixed weather with varying chances of showers and thunderstorms, temperatures in the 80s-90s, and shifting winds.

The National Weather Service warns of dangerous conditions on Lake Michigan, advising against swimming due to high waves and life-threatening currents following severe storms.

Austin's weather forecast predicts clear skies with high temperatures, reaching up to 97 degrees, throughout the week, advising residents to stay cool and hydrated.

Chicago is facing a change in weather with a forecasted heat wave after a period of warmth. Cooler temperatures today will give way to a hot week ahead, with possible thunderstorms offering some relief.

New York Governor Kathy Hochul sent a team of 11 wildland firefighters to aid with wildfires in Colorado, showing interstate cooperation and solidarity.

San Francisco experiences cooler summer days with below-normal temperatures and a slight warming trend forecasted for the weekend. There's an elevated fire weather threat in the hills, while fog and drizzle continue near the coast.