(9:30PM - 12/14/21) A storm system moving through the region will bring a high wind event to portions of the state and region, Wednesday morning through Thursday morning.
A storm system will strengthen as it moves from the Plains on Wednesday and then into Canada on Thursday. This storm system will bring a high wind event to portions of the state and region, Wednesday morning through Thursday morning.
Little to no changes were needed with this update, as the going forecast is on track.
A storm system moving through the region Wednesday and Thursday will bring a period of high winds to the state, Wednesday morning through Thursday morning. High winds aloft, characterized by a low level jet (850mb) of 65-85KT and 925mb winds of 50-65KT, will be in place. Adequate mixing is anticipated, at least up to 925mb, which will transport higher winds to the surface. During this period, wind gusts of 35-55MPH are expected across Central Illinois, and 45-65MPH across Northern Illinois. Wind gusts to these levels could cause some occurrences tree damage and power outages, in addition to being an issue for outdoor holiday decorations.
Below is the high wind forecast for this event.