How are tornadoes rated?
Tornadoes are rated on the Enhanced Fujita (EF) Scale, from EF0 (weakest) to EF5 (strongest).
News / Weather
Severe weather struck Illinois on Friday, April 18, 2026, resulting in multiple tornadoes and widespread storm damage. McLean County and the town of Lena experienced significant impact, prompting community-wide recovery efforts.
The National Weather Service (NWS) has been surveying the damage and confirming tornado touchdowns across Illinois. In McLean County, the tornadoes ranged from EF0 to EF1 in strength. The strongest tornadoes, with winds up to 110 mph, occurred in the Normal to Towanda area and from Bloomington Country Club to the intersection of Fort Jesse Road and Towanda Barnes Road.
In northern Illinois, Winnebago County also experienced tornado activity. In Stephenson County, one tornado reached EF2 strength.
Lena, a small town of approximately 3,000 residents, is grappling with widespread damage. Local news reports detail the efforts of community members and volunteers working to clear debris and restore power. The Stephenson County Sheriff noted the storm was unlike anything he'd experienced in his 30+ years in law enforcement.
Meanwhile, several rivers in northern Illinois and southern Wisconsin are under flood warnings. The Rock River, Kishwaukee River, Pecatonica River, and Sugar River are all experiencing elevated water levels, threatening low-lying areas and infrastructure. A freeze warning has also been issued for portions of northern Illinois and Indiana, posing a threat to crops and sensitive vegetation.
**How to Prepare:** - Stay informed about weather alerts and warnings in your area. - Have a plan in place for severe weather events, including a designated safe space. - Secure outdoor objects that could be blown away by high winds. - Be aware of flood risks and take necessary precautions if you live in a flood-prone area.
**Who This Affects Most:** - Residents of McLean County and Lena, who are dealing with property damage and power outages. - Farmers and agricultural workers, who may experience crop damage due to tornadoes and freezing temperatures. - Individuals living near rivers and streams, who are at risk of flooding.
Tornadoes are rated on the Enhanced Fujita (EF) Scale, from EF0 (weakest) to EF5 (strongest).
Seek shelter immediately in a basement, storm cellar, or interior room on the lowest floor of a sturdy building.
Monitor local news, weather websites, and the National Weather Service for updates.
What are your thoughts on the increasing frequency of severe weather events? Share your experiences and preparedness tips in the comments below!
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