The National Weather Service (NWS) office in Des Moines has upgraded its forecast for the Perry area to a winter storm warning in effect from 9 a.m. Tuesday until 6 a.m. Wednesday.
Heavy mixed precipitation possible, with total snow accumulations of 4 to 8 inches and ice accumulations of one-tenth of an inch possible across much of Iowa, with the highest end of that range in central Iowa. A wintry mix and ice accumulations less than one-tenth of an inch are forecast to follow the snow.
The winter storm will will begin to affect the region Tuesday morning and bring with it widespread snowfall and then likely periods of wintry mix, including freezing rain that will make travel difficult. Moderate to heavy snows are anticipated over nearly all of central Iowa with amounts greater than 6 inches possible from southwest into east-central Iowa.
The transition to a wintry mix, including freezing rain, will begin Tuesday night and further deteriorate travel conditions. Nearly all of Interstates 80 and 35 will be affected across Iowa. Travel could be very difficult, the NWS said. The hazardous conditions could especially impact the Tuesday morning and Wednesday evening commutes. The weight of the snow and ice could also result in sagging tree limbs and possible power outages.
Along with Dallas County, the Iowa counties included in the winter storm warning include Wright, Franklin, Butler, Bremer, Webster, Hamilton, Hardin, Grundy, Black Hawk, Crawford, Carroll, Greene, Boone, Story, Marshall, Tama, Audubon, Guthrie, Polk, Jasper, Cass, Adair, Madison, Warren and Adams.
Along with Perry, the winter storm watch includes the cities of Eagle Grove, Clarion, Belmond, Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison, Dumont, Waverly, Fort Dodge, Webster City, Iowa Falls, Eldora, Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Denison, Carroll, Jefferson, Boone, Ames, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, Waukee, Adel, Des Moines, Newton, Atlantic, Greenfield, Stuart, Adair, Fontanelle, Winterset, Earlham, Indianola, Norwalk, Carlisle
ThePerryNews.com will update this weather story as forecasts evolve.