Take a look at the highly regarded, snow-rated Nokian WRG2 All-Weather tire. Its rubber compound and asymmetrical tread design are good for year-round use. Traction is much superior to an all-season tire on snow, slush and ice but not as good as a dedicated winter tire. Costly extra rims, TPMS sensors, seasonal changeovers and off-season storage are unnecessary. Pricing is similar to top quality winter tires. It's an attractive alternative, especially if your all-season tires are nearing the end of their safe service life.
Competing all-weather tires include the Hankook Optima 4S (sold exclusively by Canadian Tire), Goodyear Fortera TripleTred, Vredestein Quatac and Yokohama W-Drive. Reports say their rubber compounds may be too hard. Check independent reviews before buying.