Rain arrives late Friday, departs quickly Sat.
The feature that dominate the weather map today is that big low-pressure system moving out of Missouri and headed north and east into the Great Lakes and Quebec on Saturday.
For now, we're getting into an easterly wind off the ocean, driven by the clockwise flow around a high moving over New England. That means increasing cloud cover, maybe a little rain late this afternoon and evening, and temperatures that won't move much from the mid-60s, where they are now.
But as the Midwestern low moves along, it will drag a cold front across the region on Saturday, and draw more moisture in off the ocean to the southeast. And that's what will produce most of the rain that's headed our way on Saturday. There may even be some thunder. By the time it's all over, we could have a half-inch, to as much as an inch of rain from all this.
The good news in the morning discussion out of Sterling seems to be that the rain associated with the frontal passage will be relatively brief. We won;t be stuck with it for days on end like we were last week.
Skies should dry out quickly, with sunny skies in the wings for Sunday. If you're eager to get out in the woods or onto the bike trails to enjoy the fall colors, plan it for Sunday - or Monday if you've got the day off.