Baltimore faces high temperatures with heat index over 100, along with a heat advisory and potential severe thunderstorms. Midweek heat will continue; temporary relief expected by Saturday.

The NWS issued a heat advisory for West Central Florida with heat index values up to 111 degrees, advising precautions against heat-related illnesses.

Las Vegas' NWS forecasts a gradual warm-up from cool temperatures, remaining dry, with possible rain and thunderstorms in eastern Mohave County mid-week, and normal to slightly above normal temperatures starting Monday.

Phoenix is forecasted to experience temperatures over 100 degrees with clear skies and calm winds this week, with a slight chance of showers by Wednesday night.

Sacramento's morning clouds will clear for a high near 82°F, with a gentle breeze and cooler evening. The weekend promises sunshine with highs in the mid-80s, and the upcoming week maintains sunny and warm conditions, with highs reaching the low 90s.

San Diegans expect cooler temperatures as a trough of low pressure brings a break from the summer heat, with predictions of clear skies and gentle breezes over the weekend.

Honolulu expects moderate trade winds and increased cloudiness due to an approaching surface trough, with the weather clearing up and winds strengthening midweek.

Cold temperatures persist in the Bay Area, with seasonal norms not expected until Friday; San Jose tied a record low maximum for July 25th, and Napa may follow suit. A slight warming trend is forecasted, though coastal fog continues to impact travel.

Chicago is on Flood Watch with potential intense rainfall; severe thunderstorms could bring damaging winds. Heatwave and varying temperatures expected in the upcoming days.

Twin Cities under an Extreme Heat Watch with heat index up to 103 degrees, risks of severe thunderstorms, and high heat persisting into early next week.

The NWS in Memphis issued a heat advisory for Saturday with heat indices up to 106 degrees, warning of heat-related illnesses and advising precautions.

Nashville braces for extreme heat with temperatures and heat indices forecasted to hit the mid-90s to over 110°F, prompting warnings for residents to stay hydrated and cool.

Denver's weather is set to change from afternoon showers to clear, hot conditions, with temperatures up to 96°F expected on Sunday. The NWS warns of potential storms with hail and gusty winds today.