The Colorado Department of Transportation is advising motorists to use caution and prepare for a snow storm that is forecast to hit the state today through Friday. 

The storm will impact mostly the high country, above 8,500 feet. 

Significant snowfall, up to 10 inches, is expected over Monarch Pass. Heavy and blowing snow is also possible along the I-70 mountain corridor near Vail Pass and the Eisenhower Tunnel.

The southern San Juan Mountains may see up to 2 feet of snow.