Friday afternoon weather update: A Winter Storm Warning is now in place for the following counties: Ogle, Lee, DeKalb, Whiteside and McHenry. A Winter Weather Advisory is now in place for Winnebago, Boone, Green, Rock, Walworth, Stephenson, Jo Daviess and Carroll counties. Snowfall amounts for areas under the Winter Storm Warning could receive totals in excess of 8" while counties under the Winter Weather Advisory will likely receive totals between 4" and 6". A few inches of snowfall will occur late tonight with the majority of snow falling Saturday morning. With this amount of snow coming in such a short amount of time, travel will be heavily impacted through the morning and possibly into the afternoon. It's best to just stay home Saturday if you don't have to go out. Remember, the snow will come with a bit of wind so some blowing snow will also be likely.
A Winter Storm Watch remains in place for Winnebago, Boone, McHenry, Ogle, Lee and DeKalb counties beginning at midnight tonight and lasting through 6pm Saturday. Likely later today the Watch will either be upgraded to an Advisory or Warning with the track of the low shifting a little further north. Stay tuned for that!
As we've been talking about for the past several days, accumulating snowfall will occur late Friday night and through Saturday morning. Snowfall amounts will range from 3" to 6" with a few locally higher amounts.
Here's the timing of this weekend's snowfall:
Friday afternoon:
Accumulating snow will occur in central Illinois and Missouri with only a few lighter snow showers expected here this afternoon. If we do see any snow, it won't be much.
Friday night:
Snow will begin to lift northeast through Missouri and Iowa as low pressure moves out of the central Plains. While a few snow showers will be possible in eastern Iowa and western Illinois after 10pm, most of it will occur after midnight with the bulk of snow falling Saturday morning.
Saturday morning:
Snow, moderate to heavy at times, will be greatest from 6am to 11am with lighter snow expected during the afternoon. During the morning hours is when the majority of the snow will fall with totals near 6" in northern Illinois. The further north of the state line the lesser the amounts will be. Winds will be from the North/Northwest during the time of snow with speeds ranging between 10 and 20 mph. Significant blowing snow isn't expected, but during the more moderate snow visibility will likely be lowered and the snow will make travel Saturday morning difficult. It'll be best to stay inside Saturday morning and as conditions improve late Saturday afternoon travel may begin to improve.
Saturday afternoon & evening:
Snowfall will be winding down by the afternoon before high pressure moves in by Saturday night.
Meteorologist Brandon Arnold, Meteorologist Max Tsaparis and myself will continue to monitor this evolving storm system through the weekend and keep you updated with the most accurate weather information!
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