Heat advisory for Oklahoma and parts of Texas with heat index values up to 107 degrees, risks of heat-related illnesses.

Houston's weekend forecast predicts a mix of calm and stormy weather, with chances of thunderstorms up to 60% on Sunday and high heat indices. No immediate tropical threats, but ongoing monitoring of Atlantic disturbances.

New Orleans is set to experience intermittent showers and thunderstorms for the upcoming week, with highs around 88-89 degrees and mild easterly winds.

Boston experiences pleasant weather with 81 degrees and light winds today, but a heatwave with high humidity is forecasted to start on Sunday, peaking midweek with heat indices in the upper 90s.

Phoenix, AZ faces intense heat with highs nearing 110 degrees; slight evening relief. National Weather Service forecasts persisting heat, with a slight chance of rain later in the week.

Scattered thunderstorms and high humidity expected in Miami, with the National Weather Service predicting high temps, a significant chance of precipitation, and possible thunderstorms throughout the week.

The National Weather Service predicts hot and humid conditions with possible showers and thunderstorms in Cleveland through Friday, with potential heavy rains mid-week due to an uncertain cold front.

Warm and sunny weather is expected in New York City, with temperatures reaching the low 90s in Manhattan, Brooklyn, Queens, and the Bronx, and the high 80s in Staten Island. No severe weather alerts are issued.

San Antonio is facing an intense heat wave with temperatures nearing 100 degrees and heat indices possibly surpassing 103. A slight chance of showers and thunderstorms may provide minimal relief early next week.

Knoxville weather forecast includes mostly sunny skies, highs in the 80s/90s, and light winds, with a gradual increase in chances for showers and thunderstorms as the week progresses.

Nashville's forecast shows a week of heat with chances of showers and thunderstorms, and temperatures reaching around 93°F with a heat index of up to 98°F.

The National Weather Service predicts warm, dry conditions for areas in and around Columbus, Cincinnati, and Wilmington, Ohio, with potential thunderstorms midweek.

Philadelphia is experiencing rising summer temperatures, with highs nearing 85 degrees today and 94 by mid-week. Nights offer cooler relief. The NWS forecasts mostly clear skies with a chance of showers later in the week.