Sat-Sun, June 15-16th Severe Weather Threat

(1:15PM - 6/14/19) A disturbance pushing through the region will bring a severe t'storm threat to portions of the state Saturday and Sunday.

Saturday into Saturday night...
Areas of scattered showers and t'storms will be ongoing across the state Saturday morning. In the wake of early activity, some clearing and destabilization will occur. As the main disturbance approaches during the afternoon, new scattered shower and t'storm development is likely across Iowa, Missouri, Northwest and Western Illinois. This activity will push east-southeastward across much of Northern and Central Illinois during the afternoon and on into Saturday night. An environment in place featuring moderate instability, good moisture, and good shear will be in place. This will help support an isolated to widely scattered severe t'storm threat across much of Northern and Central Illinois. Wind and hail will be the main threats, though an isolated tornado cannot be ruled out. Should more and earlier clearing and more destabilization look likely across the risk area, an upgrade is severe t'storm probabilities may be needed in future updates.

A severe t'storm threat will also continue into Sunday...This will be discussed further in upcoming updates as the time approaches.

​Below is our first TAM severe t’storm forecast for Saturday/night.

JP

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