MT. VERNON/CHARLESTON, IL. - The National Weather Service has confirmed at least three tornadoes from Sunday, June 21, 2026, storms in Southern Illinois and western Kentucky, including an EF3 that killed two Jefferson County residents, while survey crews continue assessing additional reports of tornado activity.An EF3 tornado (Enhanced Fujita Scale) has estimated wind speeds of 136 to 165 mph.The National Weather Service findings show the strongest tornado tracked from north-central Jefferson Co...