National Weather Service United States Department of Commerce

A Blizzard Warning has been issued for Knox and Stark counties, from 10 pm tonight through 1 pm Monday. Very strong winds gusts over 35 mph will combine with falling snow to create blowing and drifting snow, and reduced visibilities of 1/4 mile or less. This will affect the Mon AM commute. If able, avoid travel.
Temps reach the 60s today before plummeting down to the 10s and 20s for highs on Monday. A strong system will arrive today bringing severe weather, winter weather, strong winds, and brutal wind chills for the start of the week. This is temporary as temps will rebound by mid week.
A line of severe storms is expected to develop along a strong cold front and move across central and southeastern IL from 3pm to 9pm today, with some morning storms possible. Hail is a concern in the morning and afternoon. Widespread wind damage and a few embedded tornadoes will be the main threat in the afternoon.
Rain will switch over to snow behind the system on tonight. The cold front with the low pressure system will usher in strong winds and brutally cold wind chills tonight and Monday night. The coldest night being Monday night with wind chills well below zero.
A Wind Advisory is in effect from 10am today to 7am Monday. South to southwest winds 25 to 35 mph with gusts of 45 to 55 mph expected. Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.