Wednesday, December 10th – High Wind Episode – Update #2

Written on 12/09/2025
Illinois Storm Chasers

(11:45AM – Tuesday, December 9th, 2025) Period of high winds likely on Wednesday…

Timing…
•Early Wednesday Morning – Early Wednesday Afternoon, December 10th.

📍Location…
•Much of Illinois.

💨Hazard…
•Peak high wind gusts of 35-55MPH will be likely across the state during this timeframe, with highest wind gusts across Western Illinois and vicinity.
•Winds will be westerly to northwesterly.
•The high winds will have the potential to blow around light-weight/loose items and may cause isolated tree damage.

✔️Summary…
•As a clipper storm system moves through the region, a cold front will sweep through, with strong cold air advection to occur across the state on the backside of the storm system. With a strong low-level jet and adequate atmospheric mixing, a period of high synoptic winds will be likely across portions of the state from early Wednesday morning through early Wednesday afternoon.