saturday was the 14th annual polar plunge at the national nerbor. my go, people had a whole lot of fun and swimming and doing other stuff in the water. the event is to draw attention to the issue of climate chae an humanities impact on the planet. >> the toes stay cold for a few hours but it's not bad. it's worth it. it's good to be around the eople that care about this issue. >> let's find that guy and see where he is now. >> yeah. organizeraid this year's plunge was also a celebration of the passage of the clean energy d.c. act. >> as long as good cause. >> water temperature around 38 degrees. >> that's comfortable. the thought of putting a toe into the river, no wae >> dogs w at the beach and ocean was at 42. and the dogs took, because they hadn't been out there since the fall and ran out and got one paw in the water and let's run on e sabd. >> smart dogs. indeee idea but we are in store for another big plunge in temperaturesp coming for tomorrow. that cold air that was in chicago, guess where that's going to be by tomorrow night? right here in r