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Truckers to face whiteout conditions in Northwest

A strong snowstorm that began in the Northwest on Sunday will gain more steam early this week.


Related: 5 states with toughest chain laws for truckers


A potent cold front will move across the region through Tuesday, producing heavy snow, powerful winds and periods of whiteout conditions.

By the time the storm fades, many high elevations of the Washington and Oregon Cascades will be slammed with more 24 to 48 inches of snow and wind gusts exceeding 50 mph. Similar winds will hit parts of the northern Rockies in Idaho, Montana and Wyoming, with 12 to 24 inches of snow.

Snoqualmie and Lookout passes along Interstate 90, as well as Stevens Pass on U.S. Highway 2 and Willamette Pass on Oregon state Route 58 will be trouble spots for truckers.

Thunderstorms and heavy rain will drench lower elevations and coastal areas at times. Localized flash flooding is possible in areas mainly along and west of Interstate 5 and along U.S. Highway 101. These areas will also experience damaging winds that may blow down trees and power lines.

The National Weather Service has issued winter storm warnings, winter weather advisories, high wind warnings and high wind watches across almost the entire Northwest. Driving will be touch and go, whether in wet or snowy conditions, with possible road closures.


Related: Chaining up: 4 pro tips for truckers


Major lanes of concern

• Interstate 5 from the Washington-Canada border to Mount Shasta, California.
• Interstate 84 from Portland, Oregon, to Echo, Utah.
• Interstate 90 from Seattle to Rapid City, South Dakota.
• U.S. Highway 2 from Everett, Washington, to Glasgow, Montana.
• U.S. Highway 101 from Olympia, Washington, to the Oregon-California border.

Other notable weather this week

Look for more rounds of severe storms and potential tornadoes from the Plains to the South during the first half of the week. The best chances Monday are from Texas and southern Oklahoma to the lower Mississippi Valley. Tuesday, the risk will be from the Deep South to the Southeast Coast, then stretching from the Deep South to the Tennessee Valley on Thursday.

Click here for more FreightWaves articles by Nick Austin.

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