Couldn't order a prettier day than this one. That's a sparkling clear view from orbit. High pressure is moving across the region, bringing mild, dry air out of the north. Humidities here at The Sun have fallen from 65 percent around dawn to the 30s. Overnight lows dipping into the 50s tonight will once again bring us good sleeping weather. But like all good things, this too must come to an end.

The high will keep us sunny Tuesday, even as it moves off to the east. By Wednesday a cold front will move down and drape across our region by late Tuesday, and stall there. Combined with a flow of warm, moist air from the South, temperatures and humidities will climb as the week progresses. As that wet air collides with the stalled cold front, we'll be in line for several days of showers and thunderstorms. The best chance for severe storms will come late Wednesday and Wednesday night. Temperatures Friday could top 90 degrees for the first time this season.

Another high-pressure system will move in for the weekend, bringing sunshine and temperatures well into the 80s.

The showery weather at mid-week will likely obscure our view of a nice pass by the International Space Station and shuttle Discovery on Thursday. We should have better luck with another, nicer flyby on Saturday evening, and perhaps again on Sunday as the station appears to fly right past Mars and Saturn. Stay tuned for details.