Peoria, Ill. – Your Local Weather Authority has designated Tuesday, May 28th a Severe Weather Alert Day for Central Illinois. Severe thunderstorm are expected to move into the region this evening bringing damaging winds (possibly significant), isolated tornadoes and heavy rain which will likely lead to flash flooding.
Storm Timing and Threats
- Isolated severe storms will be possible this afternoon between 1 pm and 5 pm along a nearly stationary frontal boundary. The main concern will come this evening between 8 pm and 4 am as a line of storms moves in to the area from Iowa and Missouri.
- Damaging winds up to 80 mph and isolated tornadoes are possible, especially for the storms this evening.
- Widespread rainfall amounts of 1-3 inches are expected which will lead to flash flooding.
While a few isolated storms will be possible this afternoon, the greatest risk comes this evening as storms develop along a warm front in Missouri and Iowa. These storms will evolve into a squall line that should move into Central Illinois after 8 pm tonight. Destructive winds are the main concern but isolated tornadoes are possible. The Storm Prediction Center has placed west-central Illinois in a moderate risk for severe weather while an enhanced risk is in place for areas along and west of the Illinois River. East of the Illinois River the risk of severe weather is a little lower.
Additional heavy rain tonight is likely to lead to flash flooding. The National Weather Service has issued a Flash Flood Watch for the region until Wednesday morning. With severe weather expected at night make sure you have ways to receive weather alerts while you’re a sleep, such as a NOAA Weather Radio.