Weather forecasts across various regions in the United States indicate a trend of warming temperatures and mostly clear skies with occasional showers. In Maine, a few gusty showers are expected this evening, followed by fair weather and rising temperatures throughout the week. Oklahoma will experience cool nights and warm afternoons, with temperatures reaching the upper 80s to 90s by midweek. The DC area will see temperatures rebounding to the mid-70s to 80s, with clear skies and mild conditions. South Carolina will experience a quick warm-up to the mid-80s, with potential showers from Tropical Storm Francine later in the week. San Diego remains under heat alerts with temperatures in the 90s, expected to cool down gradually through the week.