From NWS:
WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM THURSDAY TO
MIDNIGHT CST THURSDAY NIGHT…
…WIND CHILL WARNING REMAINS IN EFFECT FROM 6 PM THURSDAY TO
NOON CST FRIDAY…
* WHAT…For the Wind Chill Warning, dangerously cold wind
chills expected. Wind chills as low as 20 below zero. For the
Winter Weather Advisory, snow expected. Total snow
accumulations of up to two inches. Winds gusting as high as 40
mph.
* WHERE…Portions of southern Illinois and western Kentucky.
* WHEN…For the Wind Chill Warning, from 6 PM Thursday to noon
CST Friday. For the Winter Weather Advisory, from 2 PM
Thursday to midnight CST Thursday night.
* IMPACTS…Plan on slippery road conditions. Patchy blowing
snow could significantly reduce visibility. The hazardous
conditions could impact the morning or evening commute. The
cold wind chills could cause frostbite on exposed skin in as
little as 30 minutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves.
Slow down and use caution while traveling.