Good morning. Pennsylvania. I'm Aaron Jolly. That gray ceiling overhead? It's not going anywhere fast. Dense fog blankets western Pennsylvania this morning, cutting visibility to a quarter mile or less. The advisory runs until 9 A.M. For Cambria. Somerset. And the Alleghenies. If you're driving, take it slow and use those low beams. In the next 24 hours. Up in the Endless Mountains, watch for icy patches on untreated roads. Potter. Tioga. And Sullivan counties are hovering right at freezing overnight, so bridges and overpasses could be slick. Down in Southeast Pennsylvania, you're sitting at 39 degrees under overcast skies. That light drizzle and fog lingers through mid-morning. Highs today reach 51 degrees. Head west and it's milder. Pittsburgh starts the day at 44 degrees with thick fog. You'll climb to 56 degrees this afternoon, though rain c ...