Lincoln, IL – Residents across Central and Southeastern Illinois should prepare for scattered severe thunderstorms this afternoon and evening, with forecasters warning that damaging winds, large hail, and isolated tornadoes are possible.
According to the National Weather Service in Lincoln, a line of storms is expected to develop along a strong cold front and move across the region between 3 PM and 9 PM Sunday.
Main Threats
Meteorologists say the strongest storms could produce:
- Damaging wind gusts up to 75 mph
- Large hail, possibly up to golf ball size
- A few embedded tornadoes
- Localized flooding in heavier downpours
The greatest risk for severe weather appears to be across southeastern Illinois, where the highest threat level (Level 3 – Enhanced Risk) has been issued.
Cities including Mattoon, Effingham, Olney, and Paris could see the strongest storms if the line intensifies as expected.
Storm Development
Forecasters say a few isolated storms could develop during the morning, capable of producing hail up to around 1 inch in diameter.
By the afternoon, storms are expected to organize into a line moving west to east across the state, increasing the potential for widespread damaging winds.
Timing
- Morning: Isolated storms possible
- Afternoon to Evening: Main line of severe storms develops
- Peak threat window: 3 PM – 9 PM
What Residents Should Do
Meteorologists recommend staying weather aware and preparing ahead of the storms:
- Monitor weather alerts and warnings
- Have multiple ways to receive warnings
- Know where to seek shelter if a tornado warning is issued
- Be prepared for possible power outages from strong winds
