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Tracking a messy end to 2020

WEDNESDAY MORNING UPDATE: We've been holding on to rain this morning but the colder air is sneaking back in. Temperatures are expected to fall back to about the freezing mark by 8-9 AM and give us another shot at some flakes.
Still not expecting many problems on the roads, with light accumulations. Wet roads will also hinder the ability to stick, but will still be something to contend with. Temperatures around freezing, if not slightly above will keep a lot of those flakes off the roadways, as well.

TIMELINE

WEDNESDAY: Temperatures will actually warm up overnight into Wednesday morning, so rain will greet us in the morning. As this system works through, temperatures will cool off by 8-9 AM. As it does, rain will change over to mostly snow with a little sleet from west to east. Only minor accumulations are expected, with the best chance in our southeast counties.

THURSDAY: That first system will wrap up early on Thursday, not adding anything meaningful to the totals. A break in the activity will carry us through most of the day, but our next system moves in during the evening. The type of precipitation we see will be highly dependent on the track of the system. As of Monday night, a wintry mix or snow seems like the likely solution across Mid-Missouri. A Weather Alert Day could be issued for this system later this week as details on potential accumulation and impacts become more clear.

FRIDAY: Snow or a mix could continue into Friday morning. That system will move east Friday evening, but the accumulating snow will be done by the afternoon. Roads that are slippery will improve, but could be slow to do so with subfreezing temperatures.

Some road impacts possible

IMPACTS, AMOUNTS

Next Round: The system moving through right now, leaving us with about an inch of rain. Rain changes to snow briefly south of Highway 50 late Wednesday morning, leaving us with about a dusting of snow near the Lake and for points south. Icy conditions will be possible Wednesday night into Thursday morning along and south of I-44.

Round 3- Precipitation starts off as rain, then quickly transitions to freezing rain by Thursday evening. Given the higher rainfall rates, it will be hard for ice accumulate quickly. However, a glaze to 0.1" will be possible across much of the area, especially north of I-70 from midnight on. Roads could be slick into Friday morning.

As with any winter weather system, details could change a bit as we get closer to the event. We'll have the latest updates right here in this Insider Blog. Grab that ABC 17 Stormtrack Weather App to stay up to date on the latest changes to the forecast on the go!

Insider Blog / Top Stories / Winter Weather

Kevin Schneider

Kevin Schneider gives the latest forecast each weekday morning on ABC 17 News.

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Jessica Hafner

Jessica Hafner returned to ABC 17 News as chief meteorologist in 2019 after working here under Sharon Ray from 2014 to 2016.

Maddie Est

Maddie Est appears on ABC 17’s weekend evening broadcasts. She grew up in St. Louis, and her passion for weather originated from a young age thanks to all the different weather that St. Louis receives. She is currently studying Atmospheric Science at the University of Missouri.

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Nate Splater

Nate forecasts on the weekend edition of ABC 17 News This Morning on KMIZ and FOX 22, KQFX.

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