Phoenix faces a severe heatwave with temperatures soaring above 100 degrees, raising concerns about heat-related illnesses and stressing the necessity of taking precautions.

Atlanta's forecast includes sun and storms, with a 40% chance of rain today, a high near 91°F, and a 30% chance tonight. Similar patterns continue through the week, with varying chances of rain and highs in the low 90s.

The National Weather Service issued a Heat Advisory for St. Louis, with high temperatures and potential thunderstorms; residents are advised to take precautions.

The National Weather Service in Knoxville forecasts hot and sunny conditions with potential thunderstorms and slight temperature drops later in the week.

Pittsburgh expects dry weather during the day but possible showers at night, with a high pressure system currently in effect and a weak cold front approaching that may bring light, scattered precipitation.

The National Weather Service issued advisories for Jacksonville, predicting high humidity, temperatures near 90°F, and a chance of thunderstorms, alongside warnings for dangerous rip currents and high surf on local beaches.

Boston's weather forecast includes comfortable afternoons, potential showers, and impacts from a distant hurricane on coastal waters, with advisories for surf conditions.

Hurricane Erin prompts warnings for dangerous surf and rip currents on Florida's coast, with minor beach erosion expected. NWS advises against water activities and issues advisories for boaters and aviators due to rough conditions and winds.

Overcast morning in Raleigh with 70°F and 93% humidity. Daytime high near 84°F with light winds; nighttime low around 72°F. Slight chance of showers tomorrow with highs around 86°F. Stable weather pattern expected for the week.

The National Weather Service warns of moderate tidal flooding and forecasts showers, thunderstorms, and mostly cloudy skies in Washington D.C. through the week.

Miami faces a hot week with likely afternoon showers and thunderstorms, high temperatures around 92 degrees, and heat indexes up to 106. The pattern of heat and sporadic rain continues, offering little respite.

The National Weather Service predicts a mix of weather for Columbus, Cincinnati, and Wilmington, with showers, thunderstorms, and varying temperatures over the next few days.

The National Weather Service predicts below-average temperatures and persistent clouds in Baltimore this week, with some warming mid-week and the distant impact of Hurricane Erin affecting winds and possibly leading to coastal flooding.