A HIGH WIND WARNING has been issued for all of northern Illinois and southern Wisconsin beginning early Friday morning and lasting through much of the afternoon. Wind gusts between 50-60 mph will be possible, with the strongest occurring between 4am and Noon.
A deepening low-pressure system, currently located over the High Plains will move across the Midwest and into the northern Great Lakes by Friday afternoon. As it does, winds will increase from the southwest Thursday night, gusting close to 45 mph by Midnight. The low will pull a warm front through the Stateline tonight, quickly followed by a cold front Friday morning.
Rain showers will be possible as both fronts move through, with the bulk of any precipitation occurring between 10pm and 4am. Drier air moves in Friday morning as temperatures aloft are expected to fall. This should limit any wintry precipitation during the morning commute, but there could be some light mixed precipitation around daybreak.
West winds will really begin to ramp up just before daybreak, gusting 50-60 mph with sustained winds between 25-35 mph. It's possible that wind damage to trees and power lines may occur, with power outages not out of the question. Especially if we get wind gusts nearing 55-60 mph. You'll want to make sure you take time this evening to secure any loose objects outdoors.
Ahead of the HIGH WIND WARNING there will be a WIND ADVISORY that goes into effect for Stephenson, Jo Daviess, Carroll, and Whiteside counties in northwest Illinois at 10pm. This will last until 4am Friday, switching over to the HIGH WIND WARNING.
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