Updated 10:45 p.m. March 4

Oswego School District 308 has cancelled school and all after-school activities for Tuesday, March 5. 

Updated 8 p.m. March 4

Oswego School District 308 officials said Monday night that school is still in session for Tuesday, and that a decision on closing will be made by 6 a.m. Tuesday.

Updated 6:45 p.m. March 4

School has been cancelled for Tuesday, March 5, in Kaneland District 302, West Aurora School District 129 and Yorkville District 115. 

Updated at 11 a.m. March 4:

The winter storm watch is now a warning, according to the NWS. The warning is in effect from 3 a.m. Tuesday until midnight March 5.

The warning calls for heavy snow starting very early Tuesday, persisting until Tuesday evening with periods of heavy snow and accumulations of 5 to 8 inches, "with locally higher amounts possible," the NWS said.

With snowfall rates of 1 to 1.5 inches per hour at times, the storm will likely affect the morning rush hour Tuesday and the late evening commute. Gusting winds of up to 30 mph are possible at times later Tuesday and into Tuesday night, along with blowing and drifting snow in open areas.

Drivers are warned that the heavy snowfall and low visibility could make travel dangerous. The NWS urges residents to avoid travel if possible, and those who must travel are urged to keep a flashlight, food and water in their vehicles.

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The Tuesday morning and evening commutes could get treacherous for motorists as the National Weather Service predicts another winter storm that could bring as much as six inches of snow to the Montgomery area.

The NWS has issued a winter storm watch in effect from late Monday night through Tuesday evening in Will and Kendall counties. Light snow is expected to begin Monday night and become more intense Tuesday morning and afternoon.

Snowfall could become heavy at times Tuesday, with accumulation rates of 1 to 1.5 inches resulting in difficult snow removal and dangerous travel, according to the NWS.

A winter storm watch means there is the potential for significant snow, sleet or ice accumulations that could affect travel. 

Check back with Patch for updates, or visit the Illinois Department of Transportation's Getting Around Illinois website for real-time road conditions.

In Montgomery, remember that parking is prohibted on village streets when 2 or more inches of snowfall hits the ground.