(11:45AM - 2/21/21) A storm system moving through the region today will bring another minor snowfall event to the northern half of the state.
A storm system will ejected out into the Plains last night into this morning. This storm system will move northeastward through the Midwest and Great Lakes today and into early Monday. Model guidance continues to be in overall good agreement regarding this event, with real time observations from out west supporting...Thus, little to no change was needed with this forecast update.
An area of snow will spread across Northern Illinois, early this afternoon through tonight. Snow will be of varying intensity during this time, though generally being light to moderate at times.
An area of precipitation will spread across Central Illinois, early this afternoon through tonight. A transition zone is expected across the northern portion of Central Illinois for the duration of the precipitation...With most precipitation expected to be snow/rain further north across Central Illinois, and rain further south across Central Illinois.
Areas of rain and rain showers will spread across Southern Illinois, from early this afternoon through tonight.
Snowfall totals of 1-3" are expected along/north of I-80, with amounts tapering to the south. This will be a heavier/wetter snow than what has been seen the past 2 weeks. Additionally, temperatures will be in the low to mid 30's during the event, which will lead to some melting as the event is ongoing.
Below is the snow forecast for this event.