The cold air is the big weather story for the first half of our forecast. Temperatures will be in the single digits and low double digits tonight. The winds will become strong from the northwest and set up dangerous wind chills Thursday into Friday.
Thursday will see high temperatures in the upper teens, with wind chills in the single digits below zero. By Thursday night, winds will push temperatures close to zero, and wind chills as low as -20 in Northern Iowa by Friday morning.
Temperatures will warm slightly over the weekend, but snow enters the forecast on Sunday. The snow will be fairly light in intensity, but will linger from Sunday morning into Monday morning. Several inches of snow will be possible in Central Iowa, including in Des Moines.