The strong winds we've experienced throughout much of the afternoon will begin to subside as we approach sunset, turning much lighter later this evening. Until then, a Wind Advisory remains in effect until 6pm for all of northern Illinois as winds are still gusting around 35 mph in some locations. At the same time, the Red Flag Warning remains in effect until 8pm as relative humidity values have fallen under 20 percent in many locations.
Strong low pressure to the north near the Wisconsin/Minnesota state line has been responsible for the winds this afternoon. But as the sun sets and we lose the mixing of the afternoon (stronger winds pulled down from aloft), winds will ease as low pressure weakens and pulls further to the north.
Clouds will be on the increase through the night as the next low moves in, moving towards Missouri and northern Illinois Thursday. This will bring us our next chance for showers and even a few thunderstorms during the afternoon and evening.
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