live triple doppler radar showers near warrenton and northwest of culpeper. isolated drops here and there. not going to amount to much. warm temperatures, 78 in the district, 75 at dulles, 72 in martinsburg. the cold front is moving through. behind a cold front, skies will clear this morning. sunny this midday and afternoon. you ll notice the humidity dropping. 84 today. lower 80 s tomorrow with low humidity and increasing heat and humidity. near 90 s by thursday with a chance of a late-day storms. the remnants of tropical storm arlene could affect us on the weekend. not much to affect you. outer loop between gondar avenue and georgia avenue, two left lanes blocked. 95 in virginia is pretty decent. no problems on 66. quiet is on this side of town. more to come in a little while. bacteria. back to you. public schools in d.c., prince george s county, and anne arundel county will begin today. we saw a lot of last-minute shoppers intraday buying back- to-school supplies.