Many flights to and from Minneapolis-St. Paul International Airport were delayed or canceled Saturday as the snow fell and winds gusted to 25 mph, CNN said.
Both cities declared snow emergencies Saturday night in a bid to keep parked cars off streets to allow for snow removal and access for power crews responding to downed lines from overburdened tree branches, the St. Paul Pioneer Press said.
As many as 60,000 electric customers were blacked out Saturday, but several utility companies said they were making good progress at getting lines back up, the report said.
The Minnesota State Patrol said it had responded to more than 400 highway accidents as vehicles spun out on slick roads. No fatalities were reported.
Temperatures in the storm zone were above freezing during the day, but fell below zero Saturday night and were expected to again Sunday night, coating road surfaces into ice, AccuWeather.com reported.
Meanwhile, a winter storm was forecast for Wyoming and parts of western Nebraska beginning Monday, CNN said. Forecasters warned of near-blizzard conditions with snow and winds of 45 mph.