(DES MOINES) A Winter Strom Warning is in effect from noon Thursday to noon Friday for all of southwest Iowa.
The National Weather Service in Des Moines says snow will develop over the southern third of the state by Thursday afternoon. The heaviest snowfall will develop quickly after onset and last for around six hours before diminishing somewhat Thursday evening. Light snow will still persist into Friday before coming to an end altogether later in the day.
Snow accumulations will range from 6 to 9 inches with locally higher amounts possible. Easterly winds will increase to 15 to 25 mph with higher gusts by late Thursday afternoon, then diminish by Thursday night. Snowfall rates of 1 to 2 inches per hour combined with strong winds will reduce visibility to one quarter mile or less for several hours.