Fall begins Tuesday, September 22nd at 3:18PM MDT, as the path of the sun crosses to the south of the earth's equator. But for Eastern Utah and Western Colorado, fall-like weather will start one day early. Sunday night, a cold front will sweep north to south through the region.
Some snow accumulation is possible in the mountains Sunday night through Monday night, especially along the Continental Divide. Monday will bring a brisk northeast wind as cold air pours into the region. Freezing temperatures in the valleys are possible late Monday night and Tuesday morning, especially north of Interstate 70. Stay tuned to the latest forecast and information from your National Weather Service office on this change of the seasons event.