It's nice that the kids have parents who watch out for them. But this is a little much for me. Kids do not melt in the rain. They don't get colds from rain (colds are caused by viruses). Kids are pretty resilient and a decent raincoat goes a long way towards eliminating any "threat" from rain exposure. Let the kids stand in the rain a bit.
Standing in the rain will not scar their psyches. It might, however, toughen them up a bit. Might even get them used to uncomfortable or inconvenient situations. My grandma had to walk 2 miles in the rain and snow to attend class in a one room schoolhouse. She's 86 now and still going strong. A little rain never hurt her. My dad had to walk or bike to school quite a bit in the rain. Never hurt him. I had to stand at the end of a long driveway in the rain waiting for the schoolbus. Never hurt me. So, parents - get over it. Quit trying to protect your kids from the evil, horrible rain. Let them get out there and experience Mother Nature.