(10:00PM - 2/5/21) A fast moving storm system will push through the region on Saturday, bringing a minor/nuisance accumulating snowfall to a large portion of the state.
A storm system will move through the region on Saturday, bringing a period of snow and minor/nuisance accumulation to a large portion of the state. Model guidance has been struggling to handle this event over the past few days. However, a general agreement now exists. Minimal changes were needed with this update, with the previous forecast generally on track.
A area of snow will spread across Northern and Central Illinois, midday Saturday into early Saturday night. Across Southern Illinois, a transition zone will set up, between rain and snow. With cold air in place, the snow will be of the high ratio/fluffy variety.
Final snowfall totals upwards of 1-3" is expected across a large portion of the state, with amounts upwards of 2-5" into far Western Illinois.
Below is the snowfall forecast for this event.