(10:30AM - 10/31/19) A brief short term update regarding the historic/record breaking Halloween snowstorm continues to affect the state at this time...
A large area of snow is ongoing at this time across much of Northern and Central Illinois. Snowfall intensity is generally light to moderate, though isolated pockets of heavy snow are possible. Snowfall rates up to around 1" an hour are possible in the heaviest activity. Several inches of snowfall has already occurred across Northwest and Western Illinois, where snow is gradually ending. Across the remainder of Northern and Central Illinois, snow continues and will into the afternoon, gradually ending from west to east. Additional accumulation of a couple inches is likely across these areas. Final storm total accumulations from Tuesday night through this evening, which includes both rounds of snow that will have occurred, will be widespread in the 3-6" range across much of Northern and Western Illinois...with locally higher amounts possible. Amounts will taper to 1-3" from Chicago down into Eastern and Central Illinois. Refer to our update from last night for a visual of expected final snowfall accumulations... https://www.illinoisstormchasers.com/forecasts/historicrecord-halloween-snowstorm-update-9