Powerful Storm to Bring Rain & Snow to Central Illinois

Weather Blog

A powerful storm is expected to bring periods of heavy rain and snow to Central Illinois from Friday night through Saturday.

Scattered rain showers will develop by early evening as the storm system moves in from the west. Evaporative cooling will drop temperatures in to the lower to mid-30s along and north of I-74 allowing rain to mix and change to snow. Periods of heavy snow and gusty winds are expected north of I-74 leading to hazardous travel conditions and potential power outages. Areas that stand the greatest risk of seeing those impacts are shaded in red on the Storm Impact Index.

South of I-74 rain will be the dominant precip type until mid-morning Saturday. As colder temperatures move in behind the front rain will change over to snow across the remainder of the region. With a higher sun angle this time of year, snow that falls south of I-74 during the day on Saturday will have a hard time sticking resulting in significantly less snow accumulation. 

Snowfall Forecast

The heaviest snow will be along and north of I-74, especially in areas where snow falls Friday night. Snowfall amounts south of I-74 should be much less leaving areas along I-74 with a sharp cutoff in snowfall amounts. The track of this storm may continue to shift further south resulting in higher snow accumulations along I-74….stay tuned!

Storm Total Rainfall

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