(9:45PM – Friday, June 7th, 2024) Friday night update on multiple disturbances that will move through the region from Saturday into Sunday, bringing a few rounds of rain and t’storms to the state from Saturday morning into Sunday morning. Severe t’storms will be likely with some of this activity across Southern Illinois from Saturday afternoon into Sunday morning.
Update…
•With this update, we had slightly adjusted severe t’storm probabilities southward across Southern Illinois on the severe t’storm forecast for Saturday/Sunday. This change was made based on recent trends in weather model guidance.
Timing…
•Saturday Afternoon – Sunday Morning, June 8-9th.
Location…
•Southern Illinois.
Impacts…
•A level 1 to 2 severe t’storm risk is in place across Southern Illinois from Saturday afternoon through Sunday morning for the likelihood of isolated to widely scattered severe t’storms. Large hail, damaging winds, and an isolated tornado will be the threats from activity. Across the significant severe corridor… Environmental conditions will be supportive of the possibility of occurrences of damaging winds 75MPH+, corridors of widespread/significant wind damage, and hail larger than 2.00”.
Discussion…
•A few rounds of rain and t’storms are expected across the state from Saturday morning through Sunday morning. Of note will be a round or two of activity that will impact Southern Illinois from Saturday afternoon through Sunday morning. An environment will be in place that will be supportive of severe t’storms; thus, some of the activity during the Saturday afternoon through Sunday morning timeframe will likely be severe across Southern Illinois. Forecast soundings suggest large hail and damaging winds will be the greatest threats from activity.
