PORTLAND Kids were headed back to school Tuesday morning, with scattered showers and early temperatures in the low 40s.

Another front was expected to move in Tuesday evening, bringing rain and blustery winds, according to KGW meteorologist Nick Allard.

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Most school districts reopened, some with delays or buses on snow routes.

More: School closure information

Side streets had the most slick spots, but the city was working to get main thoroughfares cleared with plows. Crews also continued spreading deicer and gravel and clearing storm drains.

Still, some wondered why Portland didn't plow more streets, or sooner.

It would cost us $300 million a year extra to hire enough people to do that, said commissioner Steve Novick during a press conference Monday. That's the reason we don't.

Photos: Pileups, crashes, traffic around the region

An Oregon Department of Transportation spokesman said Monday it would take weeks for road crews to cleanup the over 7,000 yards of sand it laid down over the last four days.

More: ODOT:Storm cleanup could take weeks

People in the Columbia River Gorge have been facing an even bigger threat. While Portland did warm above freezing Monday, the gorge still had not, leaving that area coated with ice.

Chains were required for all big rigs headed east on I-84.

I was driving 20 miles an hour with chains all the way from basically Colburn to Troutdale, said trucker Daniel Cundif. It was just a really slow drive and then you've got these people just driving like idiots and wrecking.

Monday's freezing rain follows four days of difficult weather conditions in the gorge, as well as throughout the Portland Metro Area.

Background: Rains start to melt snow and ice after winter blast

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