A wind chill advisory is in effect for western counties.
Get ready for some bitterly cold temperatures tonight. The forecast low tonight is 0 degrees in much of northern Illinois, with wind chills as low as -17, according to the National Weather Service Office in Chicago. Winds are forecast to be between 15 and 20 miles per hour, with gusts as high as 30 miles per hour. Western counties, including McHenry and DeKalb, are under a wind chill advisory, with wind chills of -15 to -25 expected. "A wind chill advisory means that very cold air and strong winds will combine to generate low wind chills," according to the National Weather Service. "This will result in frostbite and lead to hypothermia if precautions are not taken. If you must venture outdoors, make sure you wear a hat and gloves."
The National Weather Service has issued a wind chill advisory for the Chicago region in effect through 11 a.m. Friday.
With temperatures expected to plummet overnight, the National Weather Service issued a wind chill advisory Thursday evening that remains in effect through 11 a.m. Friday. A mass of Arctic air moving through the region brought temperatures down into the single digits overnight, and forecasters predict that cold air will stay put Friday morning, along with wind chill values as low as 20 or 30 degrees below zero. The National Weather Service advises anyone going outside to wear hats and gloves, since wind chill values at the level expected can cause frostbite within 30 minutes. The agency also recommends that pet owners bring their dogs or cats inside, since animals can suffer from frostbite and hypothermia, too. Friday’s high is predicted at…