'Rapidly Deteriorating' Conditions: Grayslake Snowstorm

GRAYSLAKE, IL — A winter weather advisory is in effect for Lake County, and across the Chicago area, through 1 p.m. Thursday as "rapidly deteriorating conditions and hazardous travel" is expected amid the first snowfall of the season , weather officials said.

The snowfall is expected to start between 8 and 9 a.m. in the northern Chicago area and will "quickly overspread northeastern Illinois" — moving from north to south Thursday morning, according to the National Weather Service. Snowfall rates of one inch or more per hour during heavier bursts are possible and there could also be wind gusts of 30 to 40 mph.

Total snow accumulations of 2 to 4 inches is possible throughout the snowstorm. The snowfall is expected to taper off in the afternoon and change to rain and drizzle before melting.

In Grayslake, the snow is predicted to turn to all rain after 3 p.m. During the afternoon hours, wind gusts as high as 50 mph are also possible.

For more updates, check the National Weather Service website and Facebook page.

Helpful websites and information during winter storms

• Winter road conditions: Illinois Department of Transportation
• Lake County PASSAGE: Live Traffic Updates in Lake County
• Lake County Sheriff Facebook page
• Emergency Closing Center website - school closures