The article discusses significantly cooler temperatures in Chicago with the highs in the mid-60s, alongside sunny skies and possible gusts of wind. Conditions are expected to improve over the weekend with temperatures reaching near 70 degrees.

Phoenix's weather shows a brief respite from heat with chances of rain and thunderstorms, followed by sunnier skies and increasing temperatures into the following week.

The National Weather Service in New Orleans forecasts fair weather, with a current temperature of 80°F and sunny days ahead, with possible rain over the weekend.

Dallas is set to experience extreme heat close to 100 degrees, with the Texas Commission on Environmental Quality issuing an Ozone Action Day due to expected high ozone levels. The weekend may bring slight relief with chances of showers.

Oklahoma City anticipates sunny skies with a high of 87 degrees and a southeast wind shift. Evening clouds will lower temperatures to 69 degrees. The weekend may bring a slight chance of showers.

Houston is set to experience increased thunderstorms this weekend following high temperatures, due to moisture from the Gulf and remnants of Hurricane Lorena.

San Antonio anticipates a heatwave with highs near 101 degrees today, followed by slightly cooler temperatures and chances of showers and thunderstorms over the weekend.

Nashville's weekly forecast includes thunderstorms and sunny spells, with varied chances of rain and highs from the mid-80s to 96.

The National Weather Service predicts ongoing wet weather in South Florida, with a high chance of showers and thunderstorms, persisting over the weekend.

Jacksonville, FL expects a comfortable 88°F with a light breeze today, mostly clear skies tonight at 73°F, and a slight chance of afternoon showers and thunderstorms at 20% through the weekend.

Mixed precipitation and potential thunderstorms are forecast for the Ohio Valley as a cold front moves through, with a temporary warm-up and possibility of severe storms on Friday, followed by cooler, drier weather post-Saturday.

Raleigh's weather forecast predicts sunny skies with rising temperatures, highs in the 80s and 90s, and mild evening conditions. A slight chance of weekend showers is noted.

NWS Memphis forecasts a sunny day near 90°F, a clear night at 71°F, and a hot Friday nearing 98°F, with a chance of showers and thunderstorms late Friday night.