Portland's forecast includes a chance of showers and thunderstorms before 1 pm, then sunny with a high near 88. Clear skies expected in the evening, with calmer weather and sun through the weekend into Labor Day.

The National Weather Service in El Paso predicts sunny days and potential thunderstorms, with temperatures rising near 96 degrees by Thursday and chances of rain increasing towards the weekend.

Houston may face a wet commute on Wednesday due to a 50% chance of afternoon thunderstorms, with the wet conditions possibly extending through Labor Day weekend.

Seattle's weather forecast for the end of August is mild with a slight chance of rain and highs around 81°F. Evenings may see light rain with lows around 65°F. The weekend should be mostly sunny with a chance of rain on Saturday.

Detroit weather forecast predicts a shift from cloudy to stormy, with mild temperatures and chances of thunderstorms midweek, followed by clearer skies and warm conditions towards the weekend and Labor Day.

Memphis weather to shift from sunny to potential thunderstorms, with a varying chance of showers throughout the week and temperatures fluctuating between the 60s and mid-80s.

Nashville expects sunny days and mild temperatures with highs in the 80s according to the National Weather Service.

New Orleans experiences sunny, warm weather with fair conditions and highs near 90 degrees, but a chance of showers and thunderstorms is expected as the weekend approaches.

San Antonio faces a hot end to the week with triple-digit heat indices, potential thunderstorms, and minimal nightly cooling. Weekend may bring slight relief with a chance of rain.

Miami faces a heat advisory with "feels-like" temperatures expected to hit 108 degrees, interrupted by possible afternoon thunderstorms and consistent chances of rain into next week.

The NWS forecasts fair weather for St. Louis with highs in the 80s, light winds, and some clouds, maintaining a pleasant pattern for the week, including Labor Day weekend.

Boston is expected to experience isolated showers today with potential for a heavier downpour on Friday, but the weather will clear up for a sunny and dry Labor Day weekend.

Pittsburgh's morning lake effect showers will linger, with temps 10 degrees below average, says the NWS. Conditions will remain cool with isolated showers possible through Friday. Weekend weather looks dry with temps rising on Sunday.