(9:30PM - 2/28/19) An active winter pattern will continue, with another winter storm set to impact the region and portions of the state Saturday evening through Sunday evening.
Model guidance continues to be in decent agreement regarding the track of this storm system, as well as with the snow axis and amounts. Snow will push into portions of Western and Southwest Illinois by Saturday evening, quickly spreading across portions of Central and much of Southern Illinois by early Saturday night. Snow will then continue in varying intensity through late Sunday afternoon, before ending from west to east Sunday evening.
Periods of moderate to heavy snow and 1" per hour snowfall rates will be likely at times. Snowfall accumulations will be widespread across Central and Southern Illinois, with the heaviest axis of 6-9" extending into Southwest Illinois, including the St. Louis metro area. Additionally, some sleet and freezing rain may be possible across far Southern Illinois. Minor accumulation of sleet/freezing rain is possible.
Below is our first TAM snowfall forecast for this event.
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