Snow was seen falling at Route 176 and River Road in Island Lake, causing slick road conditions, as several inches of snow is expected throughout McHenry County and Lake County on Friday. | Photo: Lake County Passage

Dozens of crashes, including one where a car drove into a creek, have been reported across Lake and McHenry counties Friday morning as winter storm warnings and advisories remain in effect.

The National Weather Service (NWS) issued a winter weather advisory Thursday for Lake, McHenry, Winnebago and Boone counties.

The advisory for the counties went into effect at 1 a.m. Friday and is set to expire at 4 p.m. Friday.

The NWS also issued a winter storm warning Friday morning for McHenry, Winnebago and Boone counties.

The NWS initially said wet snow was expected with total snow accumulations of one to five inches.

According to the winter storm warning, total snow accumulations for McHenry, Winnebago and Boone counties are now projected to be in excess of six inches.

The highest snowfall was reported near the Illinois-Wisconsin state line.

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The NWS said a “narrow band” of higher snow rates was ongoing over the northernmost counties of northern Illinois, with snowfall rates of more than an inch per hour.

The advisory and warnings issued by the NWS said motorists are reminded to plan for slippery road conditions by slowing down and using caution while traveling.

Hazardous conditions were reported Friday morning in Lake and McHenry counties.

Approximately a dozen crashes required a fire department response in McHenry County.

One of the crashes involved a car that drove into a creek and became partially submerged at Route 14 and Bunker Hill Road outside of Harvard.

Well over a dozen crashes, some injury and non-injury, had also been reported in Lake County. Parts of the county reported snow-covered roads.