Tue-Fri, June 25-28th Severe T'storm Threat #8

(9:30PM - 6/27/19) Several smaller disturbances moving through the region will bring the chance for severe t'storms to portions of the state through Friday.

Tuesday Morning-Night Recap...
Scattered showers and t'storms developed and pushed across portions of Northern Illinois Tuesday afternoon. Some of these t'storms were severe, with wind and hail being the main threats that occurred. Tuesday evening into Tuesday night, a complex of rain and t'storms that developed across Southern Iowa pushed across Western and Central Illinois. Severe t'storms were widespread with this activity across Western Illinois, waning with time across Central Illinois. Wind and hail were the main threats that occurred with this activity.

Wednesday Morning-Night Recap...
Scattered showers and t'storms developed across Western and Southwest Illinois Wednesday afternoon. This activity grew upscale into a large complex, which pushed across portions of Central and much of Southern Illinois from the afternoon into night. Isolated to widely scattered severe t'storms occurred with this activity, with wind and hail being the threats that occurred. Further north, scattered showers and t'storms developed across portions of Northern Illinois late in the afternoon and evening. This activity spread across portions of Northern Illinois into the night. Isolated to widely scattered t'storms occurred with this activity, with wind and hail being the threats that occurred.

Tonight...
Isolated showers and t'storms will continue to be possible across portions of Northern Illinois tonight. An isolated severe t'storm may be possible, with wind and hail being the main threats. An isolated shower and t'storm may be possible across Southern Illinois tonight as well.

Friday Morning-Friday Night...
An isolated shower or t'storm may be possible Friday morning across portions of Northern Illinois. In the wake of this potential early day activity, scattered showers and t'storms will likely develop during the afternoon across portions of Iowa, Southern Wisconsin and Northern Illinois. This activity will push southeastward across portions of Northern Illinois into Friday night. An environment characterized by high instability, high moisture and low shear will be in place. This will help support an isolated severe t'storm potential for portions of Northern Illinois. Wind and hail will be the main threats. 

Below is the updated TAM severe t’storm forecast for Friday/Friday night.

​JP

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