Heaviest Snow to Hit Chicago Between 5 and 9 p.m.
A winter storm warning is in effect from 3 p.m. Thursday to 3 a.m. Friday, according to the National Weather Service.
Dec. 20, 8:45 a.m.
A winter storm warning has been declared for Bolingbrook from 3 p.m. Thursday to 3 a.m. Friday, according to the National Weather Service.
The heaviest snowfall is expected to hit the immediate Chicago area between 5 and 9 p.m. Expect reduced visibility, high winds and blowing and drifting snow.
How much snow will fall is still unclear, but NWS predicts between two to six inches of snow, with the highest amounts in the far north and northwest suburbs.
Winds will increase from 30 to 40 mph Thursday afternoon to 50 to 60 mph Thursday evening.
Strong winds may cause minor damage and power outages.
Dec. 19, 4:15 p.m.
By mid-afternoon, though, temps will be plummeting to 35 and a stong wind from the northwest -- with gusts ranging from 25 to 50 mph -- will kick in, forecasters say.
Expect about an inch of snow accumulation initially and then potentially heavier snow overnight. Temps fall even further, down to about 23, the forecast says.
A winter storm watch will be in effect from early Thursday evening throughout the night, with a chance of thunderstorms. A winter storm watch "means there is a potential for significant snow, sleet or ice accumulations that may impact travel." The wind could cause white-out conditions, the forecast says.
The weather service is still does not predicting how much accumulation we might receive locally; generally, it could be as much as six inches in the north and northwest suburbs and possibly two to three inches to the south.
For Friday and the rest of the weekend, expect upper 20s to low 30s during the day and 17 to 22 degrees at night, forecasters say
Dec. 19, 10 a.m.
Snowfall Thursday will be between one to four inches of snow, according to the National Weather Service. There's also the potential for thundersnow, where heavier snow is likely.
The first snowstorm of the 2012-2013 season is on its way.
This "rapidly intensifying" winter storm will begin to affect the area Wednesday night. Rain and thunderstorms are possible, with showers and drizzle continuing into Thursday, according to the National Weather Service.
Winds will intensify Thursday in the afternoon and evening.
Snow is not expected to fall for more than a few hours, which means accumulation will "not be at all substantial." However, the snow might be heavy at times, making traffic difficult.
Winds of 30 to 50 mph are expected. Minor wind damage and power outages are possible. Driving may be difficult for even high-profile vehicles.
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