Winter Storm Warning until 6 a.m. Sunday
Cook County is under a winter weather advisory and winter storm warning until 6 a.m. Sunday, Jan. 5, according to the National Weather Service in Chicago.
Periods of heavy snow beginning Saturday night and lasting into Sunday are expected to drop 5 to 10 inches of new snow and create hazardous travel conditions, according to the warning.
Under the advisory, blowing snow may also cause travel difficulties. Motorists should be prepared for snow-covered roads and limited visibilities, using caution while driving, the NWS states.
Wind Chill WarningThe National Weather Service in Chicago has issued a Wind Chill Warning effective 6 p.m. Sunday, Jan. 5, until noon on Tuesday, Jan. 7.
A prolongued period of dangerously cold wind chills are likely Sunday night through Tuesday morning. The most extreme wind chills will be late Sunday night through Monday afternoon.
Wind chills colder than 30 degrees below zero are expected. Wind chills of -40 to -50 are likely late Sunday night into Monday afternoon.
A wind chill warning means the wind will combine with very cold air to create dangerously low wind chill values. This will result in frost bit and lead to hypothermia or death if precautions are not taken, the NWS states.