Jayson Coleman, left, and sunglasses-clad Chad Rappleye, both 17, get a jump on their summer tans with a sunning session Tuesday afternoon against the scenic backdrop of Big Cottonwood Canyon. The Brighton High students typified the spring fever that affected the entire Salt Lake Valley on Tuesday, with mild afternoon temperatures prompting a February thaw and calling Utahns outside. Locals might be tempted to play hooky from jobs later this week to work on their tans, like the Brighton boys. The weather forecast calls for occasional snow flurries in the canyons Thursday, while afternoon temperature at the ski resorts are predicted to reach 40 degrees. Bill Alder, meteorologist in charge at the Salt Lake office of the National Weather Service, said the valley isn't really experiencing a thaw, just normal temperatures that feel abnormal in such a cold winter. "I'm so tired of this winter, I could scream," said the normally mild-mannered Alder, marking Wednesday as the 63rd consecutive day that the Salt Lake International Airport can claim at least an inch of snow on the ground, while some east bench neighborhoods are approaching day 91. Because of a high-pressure area aloft, storm systems hitting northern Utah are tempered, and temperatures should stay in the mid- to upper 40s, with lows in the 30s through the end of the week. He said a weak storm system could sneak into town and bring some moisture with it, but he promised "no major storminess all week." While the harsh winter might be dragging down residents' spirits, at least the statistics compiled by the Soil Conservation Service show the snowpack accumulation is gradually improving. But more snow is needed to bring the snowpack to "average" levels in most areas. Above-average accumulations are needed to make up for below-average snow during the past two winters. The most recent measurements show the snowpack in the Bear River drainage is at 96 percent of normal for this time in the season. The lower Provo River-Jordan River drainage is 95 percent overall, the Tooele area only 72 percent.