National Weather Service United States Department of Commerce

Wind chills will drop as low as -15 degrees across parts of northeast Missouri as well as west central and south central Illinois through late this morning. Wear multiple layers of warm clothing, a hat, and gloves if you are going out in the dangerous cold. #stlwx #midmowx #ilwx
This week will start off frigid with widespread wind chills below 0 degrees Monday morning. Tuesday will start off slightly warmer before climbing into the 30s and low 40s in the afternoon.