Philadelphia's forecast includes potential showers and thunderstorms throughout the week, with varying chances of precipitation each day and mostly sunny today.

Austin is experiencing extreme heat with a high of 99 degrees and heat index of 105 degrees. There's a slight chance of showers, with persistent hot conditions forecasted for the week, including the possibility of rain midweek.

Mixed weather with potential early fog and patchy thunderstorms is forecasted for Minneapolis. Short periods of showers and mostly cloudy skies with highs around 73 degrees are expected, alongside calm winds shifting northeast.

Trade winds in Honolulu are set to weaken by midweek with continued showers in windward areas and potential heavy showers in leeward regions, especially on the Big Island.

San Francisco Bay Area weather will be mixed this week with warm days, potential thunderstorms, and a slow-moving low-pressure system affecting the region.

Las Vegas expects minimal rain with a low chance for isolated thunderstorms, mainly in southern Mohave County. Clear skies are anticipated for aviation at Harry Reid International Airport.

The NWS reports heavy fog in Knoxville with reduced visibility and advises caution for morning commuters. Additionally, there's a chance of showers and possible severe storms later in the week.

A series of storm systems are forecast to bring rain and thunderstorms to Nashville, with high chances of precipitation throughout the week and temperatures reaching up to 87 degrees Fahrenheit.

San Diego to experience cooler temperatures and possible rain, with a chance of thunderstorms and a significant heat increase expected later in the week.

The NWS forecasts sunny days with rising temperatures for Sacramento, reaching up to 98 degrees, with a slight chance of showers midweek and cooler nights by the weekend.

Portland's weather forecast promises a stretch of sunny days with clear skies and temperatures reaching mid-70s, accompanied by light winds, according to the National Weather Service.

Los Angeles weather will be foggy with sunbreaks and highs in the mid-80s, with possible showers and thunderstorms Tuesday night and cooler temperatures by Wednesday.

Denver's weather forecast includes afternoon showers and thunderstorms with a 50% chance, turning to 70% tonight. Temperatures range from a high of 78 to a low of 49 degrees.