Knoxville is expecting a heatwave with mid-90s temperatures and high humidity, with possible showers and thunderstorms midweek to offer slight relief.

The article provides a weather forecast from the NWS for Salt Lake City, predicting sunny skies, possible showers, high temps in the mid-90s, and typical August conditions for the coming week.

Nashville faces a heatwave with temperatures near triple digits and a heat index up to 107°F. Residents are urged to take precautions due to persistent high temperatures and minimal relief at night.

The National Weather Service issued a heat advisory for New Orleans, predicting heat index values up to 108 degrees and advising precautions against heat illnesses.

The Seattle area anticipates a wet weekend with a 40% chance of rain and possible urban flooding due to heavy rainfall, as warned by the National Weather Service.

Houston forecast includes sun, scattered storms, and low flood risk this weekend, with high heat indices. Hurricane Erin, now a Category 4, is not expected to hit land but can affect nearby regions.

The National Weather Service issued a heat advisory for Dallas, North, and Central Texas, warning of high heat index values and advising precautions against heat-related illnesses.

The National Weather Service in Memphis warns of a severe heatwave, with heat index values up to 108 degrees, advising residents in affected areas to take precautions.

Phoenix is facing a week of extreme heat with temperatures potentially rising above 110°F, calm winds, and little chance of rain, prompting residents to stay hydrated and indoors during peak heat.

Detroit's upcoming weather includes varied conditions: a chance of thunderstorms, with fluctuating temperatures reaching highs in the 80s and 90s, and potential nightly showers.

Miami expects a sunny day with a high of 92°F, a 50% chance of afternoon showers, and a heat index up to 105. Light winds and persistent humidity. Evening temps around 80°F with a minimal shower chance.

San Antonio weather forecast includes rain and possible thunderstorms, with high temperatures and gusty winds at times. Conditions will vary, with rain chances persisting into the week.

The NWS Cleveland forecasts high pressure with rising temperatures, humidity, and potential for stronger storms this weekend, followed by a cold front and possibly gusty winds and rain midweek.