Weather system prompts Tornado Warning in San Francisco, cold temps across US [Video]

USA, — A major ice storm created treacherous driving conditions across Iowa and eastern Nebraska this weekend and prompted temporary closures of Interstate 80 after numerous cars and trucks slid off the road.

Many events were canceled across the region when the storm hit Friday evening, and businesses announced plans to open late Saturday as officials urged people to stay home if possible. Temperatures rose high enough in the afternoon to melt the ice in most places, however.

“Luckily some warmer air is moving in behind this to make it temporary,” said Dave Cousins, a meteorologist with the National Weather Service’s office in Davenport, Iowa.

At least one person died in a crash caused by the icy roads in eastern Nebraska. The Washington County Sheriff’s office said a 57-year-old woman died after she lost control of her pickup …