(11:45PM - 7/20/19) Multiple disturbances expected to move through the region will bring the chance for severe t'storms to portions of the state through Sunday night.
7/20/19 - Tonight's Forecast...
Isolated to scattered showers and t'storms will be possible tonight for portions of Northern and Central Illinois.
7/21/19 - Sunday Morning-Night Forecast...
Isolated to scattered showers and t'storms may be ongoing Saturday morning across portions of Northern and Central Illinois. Additional development of scattered showers and t'storms will occur across Central and Southern Illinois during the afternoon, with this activity expected to persist through Sunday night. The environment in place will feature high instability, high moisture and low shear. This will help support an isolated severe t'storm threat across Central and Southern Illinois, with damaging winds and hail being the main threats. An upgrade in severe t'storm probabilities may be needed in future updates.
Below is the TAM severe t'storm forecasts for Sunday morning-night.
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