Tornado threats are rising across the Midwest as a powerful system sweeps through Michigan and Illinois on Wednesday, June 18. The National Weather Service has issued multiple tornado watches and severe thunderstorm warnings across the region, warning of damaging winds, large hail, and potential tornado activity.
High Risk Across Michigan
In Michigan, forecasters say Wednesday will bring multiple rounds of strong to severe thunderstorms, especially in the afternoon and evening hours. Cities like Detroit, Ann Arbor, and Flint are all in the path of this volatile system.
According to CBS Detroit, atmospheric conditions are ripe for tornado formation, with increased instability and wind shear. The most significant risk will occur after 3 p.m., when the storms are expected to organize into a dangerous squall line.
Illinois Braces for Afternoon Storms
Meanwhile, in Illinois, the risk begins around midday. According to WICS NewsChannel 20, the most severe activity is expected between 2 p.m. and 10 p.m. across central Illinois, including cities like Springfield, Decatur, and Bloomington.
Residents should prepare for:
- 60-70 mph wind gusts
- Tennis ball-sized hail
- Localized flash flooding
- Isolated tornadoes
Tornado Watch and Warning Basics
- A Tornado Watch means conditions are favorable for tornadoes to form.
- A Tornado Warning means a tornado has been spotted or indicated by radar and immediate action is required.
Stay weather-aware: Have your phone charged, NOAA weather alerts turned on, and an emergency kit ready. If a warning is issued, seek shelter immediately—preferably in a basement or interior room without windows.
Power Outages and Travel Delays Possible
The line of storms could also disrupt power and travel. Tree damage, downed power lines, and flooded roadways are all possible. Motorists are urged to avoid travel during peak storm hours and to never drive through standing water.
When Will It Be Over?
The worst of the storms are expected to exit the region by late Wednesday night, giving way to calmer weather on Thursday. However, lingering showers and cooler temperatures may follow.
📊 Severe Weather Outlook – June 18
| Region | Timing | Main Threats |
|---|---|---|
| Southeast Michigan | 3 p.m. – 10 p.m. | Tornadoes, wind, hail |
| Central Illinois | 2 p.m. – 9 p.m. | Wind, hail, isolated tornadoes |
| Northern Indiana | 4 p.m. – 11 p.m. | Thunderstorms, heavy rain |
⚠️ Safety Tips for Tornado Threats
- Go to a basement or interior room on the lowest floor.
- Stay away from windows.
- Use a helmet or pillows to protect your head.
- If outside, seek shelter in a sturdy building immediately.
Stay with FingerLakes1.com for continued coverage as this severe weather system develops and moved east into New York State and New England.
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