<sod >"Consider postponing non-essential travel until conditions improve," Environment Canada said on its website. Alberta Transportation issued a similar warning, urging Albertans "to reconsider travel plans" in the western and southern regions of the province. The Calgary Board of Education says schools will remain open, adding it is "closely monitoring the weather conditions" and will be updating parents through email.< eod>< sod > "Consider postponing non-essential travel until conditions improve," Environment Canada said on its website. Alberta Transportation issued a similar warning, urging Albertans to "reconsider travel plans" in the western and southern regions of the province. The Calgary Board of Education says schools will remain open, adding it is "closely monitoring the weather conditions" and will be updating parents through email. Meanwhile, the Calgary Catholic School District said Wednesday schools within Calgary city limits would be open Thursday "to provide a safe, warm and secure environment for attending students.< eod>