(Chanhassen, MN) -- Some of the coldest air of the season is moving into Minnesota today (Thurs) and tonight. Wind chill warnings and advisories are posted for much of the state through Friday morning. National Weather Service forecaster Tony Zaleski (zuh-LESS'-key) says most locations won't make it above zero today, with wind chills 20-below east to 35-below across the western sections of the state. Zaleski says temperatures overnight will fall to 15-below zero in southern Minnesota and 25-below zero up north. He expects a warm-up to begin statewide this weekend.