Thur-Fri, March 2-3rd Winter Storm Update #5

​​​​(10:30AM Fri, March 3rd 2023) A winter storm will continue to move through the region through early tonight, bringing multiple modes of weather to the state. With this update we have adjusted rainfall/flood potential across Southern Illinois based on observations, and have adjusted expected snowfall based on the latest information available. Little to no changes were needed to the severe t'storm & high wind forecasts.

​Timing & Location...
•Severe T'Storm Risk: This morning - Early this afternoon, March 3rd: Southern Illinois.
•Snowfall: Late this morning - Late this evening, March 3rd: East-Central Illinois.
•High Winds: This morning - Early tonight, March 3rd: Central & Southern Illinois.
•Heavy Rain/Flooding: This morning- Early tonight, March 2-3rd: Central & Southern Illinois.

Impacts...
•A level 1 to 3 severe t'storm risk is in place across Southern Illinois, from through early this afternoon. Isolated to scattered severe t'storms are likely, posing a risk of damaging winds, hail and an isolated tornado.
•Snow will be possible across portions of East-Central Illinois, late this morning through late this evening. Snow accumulation ranging from a dusting-1" to 1-3" is possible.
•Periods of high winds are expected across Central and Southern Illinois, through early tonight. Wind gusts of 35-60MPH are expected.
•Widespread heavy rainfall is expected across Central and Southern Illinois, through this evening. Rainfall totals upwards of 1.00-5.00" are expected in the heavy rainfall axis. Localized to widespread flooding is expected.

JP