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Get your cars ready just in case.Details
A fast moving Alberta clipper is forecast to develop near Calgary tonight tracking southeastwards into Montana by Tuesday morning. Snow will develop along the northern foothills late this afternoon spreading towards the Cypress Hills overnight. Snowfall amounts along the foothills are expected to be near 10 to 15 cm. Along and north of a line from Calgary to Brooks, snowfall amounts of 10 cm are expected tonight. Heavy snow will continue into Tuesday morning in the Medicine Hat and Cypress Hills regions giving amounts of 10 to 20 cm. The heaviest snow will taper off Tuesday morning for the foothills and Tuesday afternoon over the Cypress Hills. Strong northerly winds will develop behind the clipper giving wind gusts to 70 km/h over Southern Alberta. These winds will combine with falling snow to reduce visibilities to near zero at times in blowing snow.