At left, Kimberly Fischer, left, Elise Hansen and Deb Fischer have a laugh with some other skiers on the opening day at Snowbird in Little Cottonwood Canyon Thursday. The trio was filming a movie for a class. Right, skiers cook up some hamburgers for lunch. The state has suggested people not use their wood- or coal-burning stoves or fireplaces while hazy conditions persist in Salt Lake County. It also suggests carpooling or using public transportation. Temperatures today should be in the mid-40s before a storm comes through tonight. Snow and rain are forecast for Saturday when temperatures are expected to be in the lower 40s in Salt Lake City, Provo and Ogden.