Enjoy the unusually mild weather while it lasts, because a rude shift is in the works.
Paul Pastelok, a meteorologist at AccuWeather, The World-Herald’s weather consultant, said polar air will descend across the middle of the country next week, and the burst will feel even colder given the recent warmth.
“Things are going to change heading into December,” Pastelok said.
Until then, unusually warm weather continues. The highs in Omaha could flirt with 70 degrees on Wednesday, according to the National Weather Service. Friday will be noticeably cooler as temperatures return briefly to normal — the low 40s — before rebounding into the 50s for the weekend.
Harry Hillaker, state climatologist for Iowa, said it’s too early to forecast how much below normal next week’s temperatures might get. However, the approaching weather pattern is the kind that brings the Midlands its coldest air possible for a given point in time.
Hillaker said a mass of Siberian air is forecast to flow over the polar region and then roll southward into the heart of North America.
In a few days, forecasters will have a better idea how chilly next week is likely to be, said Cathy Zapotocny, meteorologist with the National Weather Service in Valley.
Zapotocny also said storms could move through the Midlands next week as a result of the system battering the Pacific Northwest.
“We do have a pattern change under way,” she said.
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