A massive snowstorm coming up from the United States could bring around 20 to 30 centimetres of snow to southeast Saskatchewan, Environment Canada says. Areas around Estevan are expected to receive about 21 centimetres of snow in the next couple of days. © CBC Southeast Saskatchewan will feel the brunt of a storm caused by a Colorado low. Regina and Yorkton areas should expect 17 centimetres of snow and Hudson Bay around 14 centimetres. Next week, the province will be locked in a deep freeze, with highs reaching only into the –20s, Environment Canada says.