ROANOKE, Va. – After a warm-up and some peeks of sunshine Tuesday, we’re cooling back down and seeing extra clouds push into southwest Virginia for the midpoint of the week. Look for overcast skies through the day and temperatures only rising into the 50s in many areas.
The reason we’re cooler today is through a process called “cold air damming” or “the wedge.” Air flows clockwise around a center of high pressure to the north of us and “wedges” against the mountains, providing cloudy and cool weather locally.
Our next chance of rain isn’t far off as we expect a complex storm system to approach tonight and soak the area with showers. Our northern zones like the Highlands, Roanoke Valley and Lynchburg area will have the best chance for rain. Earliest arrival time appears to be 8 p.m. or so and most of the rain should be gone by Thursday’s early commute.
Once those showers exit, we’ll track more shower and storm activity Thursday afternoon/evening then Friday afternoon/evening, along with some warmer temperatures. Look for drier and cooler weather over the weekend.