Counties in and around the Quad Cities were put under wind chill advisories because of forecasts for wind chill values exceeding 20 degrees below zero.
The National Weather Service said temperatures near or below zero will combine with winds of 10 to 15 miles per hour to produce wind chills of 20 to 25 degrees below zero during the day Monday, December 23.
Temperatures were forecast to drop even lower Monday night through Tuesday morning, when they were forecast to be between 12 below and two above zero.
Winds were expected to continue to blow out of the west at speeds of five to 10 miles per hour, creating wind chill readings as low as 25 below zero.
A wind chill advisory means very cold air and strong winds combine to generate low wind chills that can result in frost bite and hypothermia if precautions are not taken. The NWS says frost bite will happen in as few as 30 minutes in these conditions.
The wind chill advisory was issued for Buchanan, Delaware, Benton, Linn, Jones, Iowa, Johnson, Cedar, Keokuk and Washington counties from Monday morning through noon Tuesday.
The wind chill advisory was in effect from 11 p.m. Monday to noon Tuesday for Knox, Stark, Peoria, Marshall, Woodford, Fulton, Tazewell, McLean, Schuyler, Mason, Dubuque, Jackson, Clinton, Muscatine, Scott, Louisa, Jefferson, Henry (Iowa), Des Moines, Van Buren, Lee, Jo Daviess, Stephenson, Carroll, Whiteside, Rock Island, Henry (Illinois), Bureau, Putnam, Mercer, Henderson, Warren, Hancock, McDonough, Scotland and Clark counties.
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