Two big storms could be headed toward northern Illinois and Wisconsin over the next week that could produce a rare early Spring Winter Storm.

What's the Latest It Usually Snows in Northern Illinois

We all have memories of a St. Patrick's Day celebration with heavy snow falling in the Rockford region, but now that it's officially spring how much longer do we have the threat of significant snow?

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There's always a good chance of snow in March and even into April in Northern Illinois and Wisconsin. In 2019 there were over 6 inches of snow in April, and there was a rare May snowstorm on May 2, 1929 when 2 to 4 inches accumulated in most of Illinois.


Since weather records began in 1884 there's only been one June recording of snowfall and that was in 1910 when snow pellets fell during a thunderstorm, according to the Chicago Tribune.

Weather Forecasts Predicting Two Big Storms and Significant Snow

Extended forecasts for Northern Illinois and Wisconsin are showing that Winter is not over, even though Spring did start today (3/19).

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According to the Weather Channel, there's a rain and snow mix likely this Friday (3/22) with about an inch of accumulation possible for Rockford and the Chicagoland area could get only rain.

Getting into Wisconsin snowfall totals are expected to be higher. Janesville could get up to 3 inches of snow on Friday, with another chance of flurries on Sunday (3/24).

The National Weather Service is forecasting "snow likely" beginning Thursday night (3/21) in the Rockford area, then rain and snow during the day on Friday when the high should hit 40.

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