Las Vegas issued an Extreme Heat Warning and Heat Advisories for high temperatures that may stress residents and the power grid, with nighttime offering little relief. Monsoonal moisture also poses risks of storms with potential flash flooding.

The National Weather Service forecasts a continuation of hot and sunny weather for Sacramento, with temperatures nearing 100 degrees and light winds providing limited relief.

Salt Lake City faces a heatwave with triple-digit temperatures, clear skies, and light breezes, per the National Weather Service. Evening lows will drop to the mid-70s.

Denver expects varied weather, with sunny conditions turning into showers and thunderstorms. A cold front will bring more storms over the weekend, and there's an Ozone Action Day Alert due to high pollution levels.

El Paso's weather forecast includes scattered showers and thunderstorms with a 40% chance of rain and highs near 93°F. Conditions will improve with sunny skies and temperatures in the mid-90s over the weekend.

Phoenix prepares for a heatwave with temperatures expected to exceed 110°F, minimal relief overnight, and a slight chance of showers and thunderstorms.

The NWS Portland issued an Extreme Heat Watch for the coming weekend with expected highs of 95-100°F, highlighting the risk of heat-related illnesses.

A Heat Advisory is in effect in Dallas until 7 PM CDT due to high heat index values, and an Ozone Action Day is issued for high ozone levels. Residents are advised to stay cool and minimize pollution.

The National Weather Service issued a Beach Hazards Statement for Milwaukee, Racine, and Kenosha counties due to dangerous waves and currents. Additionally, fog may affect inland visibility overnight.

A heat advisory is issued for southeast Louisiana and southern Mississippi, with heat index values up to 110 expected. Residents are urged to stay cool and hydrated to avoid heat-related illnesses.

The National Weather Service predicts hot days for San Antonio with highs near 100 degrees, scattered thunderstorms, and evening temperatures around 78 degrees.

Houston is set for a hot day with a 40% chance of afternoon thunderstorms and temperatures nearing 95 degrees, while the tropics are active with Hurricane Erin and other systems.

Slight chance of midweek showers and thunderstorms in Nashville with highs in the mid-90s and mostly sunny conditions. Lower humidity expected next week.