The significant weather impact forecast through mid-week is due to the amplified pattern across North America. Areas are expected to be upgraded as the storm unfolds late Tuesday into Wednesday and Thursday. Portions of the northern U.S., from the Rockies to the Upper Midwest, are already under the effect of winter storm watches and warnings ahead of the incoming Winter Storm Olive. This hints at a high risk of the ice storm from central Iowa to northern Illinois and southern Michigan late Wednesday into Thursday morning.ĭespite weather models still having some uncertainties regarding the exact swath of freezing rain, large cities like Chicago and Detroit could also be in their path. Travels will be difficult to impossible in places due to snow drifts and blowing snow.Ī concerning feature is a very sharp temperature gradient along the Arctic front, with a significant warm air mass aloft battling with the major cold near the surface. Areas from South Dakota across southern Minnesota to Wisconsin could see considerably big snowstorms and blizzards. A Winter Storm Olive will develop along the Arctic cold front, forecast to blanket the Midwest and part of the Great Lakes region with deep snow and a major ice storm.Ī swath of heavy and deep snow will develop from the Northern Rockies across the Dakotas to Upper Midwest, extending into the Great Lakes and southern Ontario, Canada. As an effect of the Polar Vortex collapse earlier this month, a significant Arctic Blast will spread from Canada into the northern United States this week. February is also known as the month with the most winter storms across the country. So far, February 2023 has been one of the warmest on record, and well-above-warm weather across a large part of the Midwest and Northeast U.S.
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