A nice Sunday, but BOY! Things changed quickly. Many winter advisories and warnings for the region. Much colder Monday and Tuesday. Clearing and warmer by midweek. Chief Meteorologist Rhonda_A_Lee has your forecast. #SDWX #MTWX #WYWX #Spring #Snow https://t.co/RwVMZgpofSA nice Sunday, but BOY! Things changed quickly. 6119199 A nice Sunday, but BOY! Things changed quickly. Many winter advisories and warnings for the region. Much colder Monday and Tuesday. Clearing and warmer by midweek. Chief Meteorologist Rhonda_A_Lee has