WINTER WEATHER ADVISORY FROM NOON WEDNESDAY TO NOON THURSDAY For Adams, Brown, Pike in Illinois and in Missouri Knox, Lewis, Marion, Monroe, Ralls and Shelby.
Another winter system to impact the second half of the work-week and once again it's going to be tricky to pinpoint how much snow we will receive. Through the next three days, temperatures will be bouncing above and below freezing, which will have a big impact on how much snow falls.
Rain and snow become likely after 3 pm. The far eastern stretch of counties may see an onset later this afternoon/early evening. If precipitation begins to reach the ground before noon and temperatures are below freezing, expect it to be snow, before switching to rain/snow. Once temperatures fall below freezing this evening expect a complete switch over to snow. We're expecting rain/snow or all snow during the evening commute. Slick roads will be possible/likely.
Snowfall accumulations through tomorrow morning we are looking at a dusting up to 2". If we see rain/snow longer, expect that light dusting. If the switch occurs sooner a couple of inches will be likely. A few areas could see a light glaze of ice.
Snow lets up a bit tomorrow morning. As temperatures warm above freezing we will see a switch over to rain/snow during the afternoon. The second wave of snow arrives Thursday night through Friday morning. Additional accumulation is possible.