Boston is experiencing a heatwave with temperatures in the mid-90s, high humidity, and a warning against leaving children or pets in cars. A cold front later in the week may bring relief.

The National Weather Service forecasts a week of mixed sun and storms for Tampa, with high temperatures and frequent chances of showers and thunderstorms.

Baltimore forecasts increased heat, humidity, and chances for midweek thunderstorms as a frontal zone approaches, with heat indices reaching the mid to upper 90s.

Jacksonville faces high temperatures with a heat index up to 105 degrees, a chance of showers and thunderstorms, and persistent humidity throughout the week.

Washington D.C. forecasts include sunshine with intermittent showers and thunderstorms; highs near 91 degrees and high humidity levels. The pattern continues into the weekend with slightly rising temperatures.

Atlanta's forecast includes thunderstorms and rain, with persistent clouds and chances of showers into the weekend.

The National Weather Service in Memphis forecasts hot, occasionally stormy weather, with high temperatures in the mid-90s and slight chances of showers and thunderstorms.

The National Weather Service forecasts a mix of weather for Pittsburgh with heat and chances of showers and thunderstorms, decreasing by Thursday evening. The weekend looks dry, with hotter weather expected.

Philadelphia expects foggy mornings, stormy afternoons, highs near 90 degrees, and high humidity. Showers and potential thunderstorms predicted into Thursday.

Hawaii's dangerous high surf advisory ends as 14-foot waves finally subside, following a dramatic weekend that saw an Atlantis tour boat run aground in Kewalo Basin.

Hurricane Henriette rapidly strengthened to Category 1 status Sunday, tracking north of Hawaii with 80 mph winds while posing no direct threat to the islands.

Severe storms in the Midwest lead to Milwaukee flooding, prompting a state of emergency and the cancellation of the Wisconsin State Fair's closing day.

Maui's South Kihei Road closed due to coastal flooding, with local traffic allowed. High Surf Advisory issued; residents face increased flooding events.