As temperatures drop into the 50s. Sunday will be gorgeous as well. And then have the wet weather gear handy. It starts on monday, chris. Frances, thank you. A warning this morning after on assault on a typically safe trail. Walnut creek police are on the lookout for the attacker who attacked a woman on the iron horse trail in walnut creek. Abc 7 News Reporter katie utehs has the story and surveillance image that officers want you to see. Reporter investigators want to talk with the man seen in this surveillance photo. He may be the person who attacked a woman who attempted to sexually assault her on thursday night around 5 30. She was pushed to the ground and dragged a short distance along the trail. Reporter it happened near the whole foods at south broadway. Police say this is the area where the attack happened. It is dark and there are lots of bushes. The main trail, however, is lghted and people tell me theyre surprised the attack happened here. We walk this stretch of the trail a