Illinois and Wisconsin Halloween Weather Forecast Includes Snow

It wasn't that many years ago kids had to wear snow boots with their Halloween costumes after several inches of early-season snow accumulated in the Stateline.

The Snowiest Halloween on Record Was 2019

According to the National Weather Service, the 3.1 inches of snow in Rockford and 3.4 inches in Chicago that accumulated on October 31, 2019, was the most on record for Halloween.

Freeze Warning for Northern Illinois, Southern Wisconsin

National Weather Service has a Freeze Warning in effect from 12 a.m. to 9 a.m. on Monday (10/30) for the Rockford region and the Chicagoland area.

Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. -National Weather Service

Overnight lows are expected to be below-freezing through this Thursday (November 2).

First Snow Accumulation is Possible on Halloween

The current forecast from the National Weather Service for Rockford is predicting "snow likely" on October 31 but "mainly between 7am and 10am."

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There's an 80 percent chance of precipitation on Halloween for the Rockford region with "periods of snow showers after 10am," according to the N.W.S. Accumulation is expected to be "less than one inch."

In Chicago, there's a 50 percent chance of snow showers on Halloween, according to the latest forecast from the Weather Channel.

Parts of Wisconsin Could Get Several Inches of Snow on Halloween

Higher snowfall amounts are possible the further north into Wisconsin you go.

Beloit and Janesville could get around an inch of snow accumulation on October 31, but the current forecast for Madison has up to 2 inches of snow on Halloween.

LOOK: How Halloween has changed in the past 100 years

Stacker compiled a list of ways that Halloween has changed over the last 100 years, from how we celebrate it on the day to the costumes we wear trick-or-treating. We’ve included events, inventions, and trends that changed the ways that Halloween was celebrated over time. Many of these traditions were phased out over time. But just like fake blood in a carpet, every bit of Halloween’s history left an impression we can see traces of today.

Gallery Credit: Brit McGinnis