A WIND CHILL ADVISORY is now in place until 9 AM for the southwest half of Iowa until 9 AM. This includes Polk County and Dallas County. Wind chills in the advisory area will range from -20 to -30 degrees.
A WIND CHILL WARNING is still in effect for the northwest half of Iowa until noon on Tuesday. Boone County, Story County, and Jasper County are in the warned area. Wind chills will range from -25 to -40 in this part of the state.
Monday night wind chills will remain dangerously cold ranging from -20 to -50, as temperatures dip back to about -10 in the Des Moines metro early on Tuesday morning. By Tuesday afternoon we'll break out of the negatives, reaching a high of 12 by the afternoon. Winds will be from the south at 5 to 10 mph as a "warmer" trend begins.
We will reach the mid 30s on Friday with a chance of a rain-snow mix. The weekend looks nice with partly cloudy skies and highs in the mid to upper 30s.