Robert Donald cleared his driveway after an overnight snowfall in Arvada, Colo., on Friday. A powerful winter storm headed east across Colorado, bringing blizzard warnings along for the ride.  Robert Donald cleared his driveway after an overnight snowfall in Arvada, Colo., on Friday. A powerful winter storm headed east across Colorado, bringing blizzard warnings along for the ride.  Seven-year-old Jeremiah Good was pulled by his father, Dave Good, near their home after the overnight snowstorm in Arvada.  Seven-year-old Jeremiah Good was pulled by his father, Dave Good, near their home after the overnight snowstorm in Arvada.  Snow covered a car after an overnight snowstorm in Aurora, Colo. The National Weather Service said snow was falling at 2 inches an hour on the Eastern Plains.  Snow covered a car after an overnight snowstorm in Aurora, Colo. The National Weather Service said snow was falling at 2 inches an hour on the Eastern Plains.  Angie Higdon tried to dig her car out on the ramp from the Boulder Turnpike onto Highway 285 in Broomfield, Colo., on Friday. The Colorado Department of Transportation closed portions of Interstate 70 and Interstate 25, the two main arteries crisscrossing the state.  Angie Higdon tried to dig her car out on the ramp from the Boulder Turnpike onto Highway 285 in Broomfield, Colo., on Friday. The Colorado Department of Transportation closed portions of Interstate 70 and Interstate 25, the two main arteries crisscrossing the state.  A motorist crossed Highway 94 as he waited for a tow truck about two miles east of Marksheffel Road in Colorado Springs.  A motorist crossed Highway 94 as he waited for a tow truck about two miles east of Marksheffel Road in Colorado Springs.  Art Allen threw snow for his dog, Willie, as he cleared his Boulder, Colo., driveway on Friday.  Art Allen threw snow for his dog, Willie, as he cleared his Boulder, Colo., driveway on Friday.
A powerful winter storm swept east across Colorado on Friday, bringing blizzard warnings to eastern Colorado and western Kansas and winter-storm warnings to southeast Wyoming and western Nebraska.