The NWS San Francisco warned of continued moderate HeatRisk for Bay Area counties with temperatures nearing 100 degrees, prompting fire weather concerns due to heat, dryness, and winds, though cooler weather is expected by Tuesday.

The National Weather Service San Diego predicts a moderate to major HeatRisk for inland and desert areas, with high temperatures and potential thunderstorms.

Honolulu's weather is shifting from trade winds to a more humid atmosphere due to Tropical Depression Henriette, leading to muggy conditions and potential fire risks.

The National Weather Service warns of breezy conditions and low humidity in Las Vegas, increasing fire risks but not yet warranting a Red Flag Warning. High temperatures are also expected.

Sacramento faces a heatwave with temperatures reaching 103 degrees, prompting the National Weather Service to advise residents to prepare for a hot, sunny week.

Denver forecast suggests a 20% chance of showers with highs near 89°F, turning into 50% chance of storms by evening. Next week looks sunny with temperatures climbing to 95°F, and a fire weather warning in effect.

The National Weather Service in Portland issued an extreme heat warning for Sunday noon to Tuesday 5 AM PDT, advising precautions for expected high temperatures.

Memphis forecast: high near 94°F, heat index up to 101, 88% humidity. Clear evening, lows around 75°F. Similar conditions Sunday. Showers possible starting Monday.

Austin is facing a week of high temperatures near 100 degrees, minimal evening relief, and slight chances of rain, as per the National Weather Service.

Salt Lake City's weather forecast promises a break from recent heat, with today reaching 83 degrees and a cool 59 degrees at night. Temperatures will rise throughout the week, hitting mid-90s by Tuesday.

Detroit's weather forecast predicts a sunny week with temperatures in the lower 90s, clear nights around 72 degrees, and a chance of mid-week showers and thunderstorms.

A heat advisory is in effect in north central and east Texas, including Dallas, with temperatures near 99°F and heat index values up to 106. Residents are advised to take precautions due to the risk of heat-related illnesses.

Seattle's forecast predicts pleasant weather, with clear skies and comfortable temperatures peaking at 79°F today and climbing higher into the week, according to the NWS.