UPDATE 1pm Saturday December 13, 2025: see the new slideshow below for timing and placement ideas from Predictor. UPDATE 5:20 P.M. Friday December 12, 2025 – the newest blend of models showcases the ...

A weakened polar vortex is pushing frigid Arctic air into the central and eastern United States. Michigan will experience its coldest temperatures over the weekend, with some areas dipping below zero.

A potential wobble in the polar vortex could bring a return of arctic air to Ohio and the northern U.S. around Thanksgiving. Forecasts show below-average temperatures for about half the country ...

Arctic air originates near the polar regions and is among the coldest air masses on Earth. It typically stays locked in higher latitudes, but large-scale shifts in the jet stream can allow it to ...

The region will warm up briefly, with highs crossing into the lower 70s on Saturday before temperatures plummet to the 20s after a cold front passes on Sunday. Download the WTVY News4 app to get ...

A potential wobble in the polar vortex could bring frigid Arctic air to the northern U.S. around Thanksgiving. Forecasts show below-average temperatures for about half the country, while the Southeast ...