Overview
- National Weather Service guidance calls for 1–3 feet of snow in parts of the Upper Midwest and Great Lakes with blizzard conditions making travel very difficult or impossible Sunday night into Monday.
- The Storm Prediction Center highlights a moderate to enhanced severe risk Monday from the Ohio Valley into the Mid-Atlantic, where a squall line may bring 65–75 mph damaging winds and a few tornadoes.
- High wind watches and warnings stretch into New England, with gusts near 60 mph possible Monday night that could down trees and power lines and cause outages.
- One to three inches of rain is forecast from the Southeast to New England, prompting concerns for street and river flooding and isolated ice jams where deep snowpack remains.
- A sharp temperature drop follows the cold front, with rain flipping to snow in parts of the Great Lakes and Midwest and wind chills plunging into the single digits and below zero in spots by Tuesday.