Illinois Severe Flood Watch | Effective 06/17/2026 08:26
* WHAT...Flash flooding caused by excessive rainfall is possible<br />
today.
* WHERE...Portions of north central and northeast Illinois,<br />
including the following counties, in north central Illinois,<br />
Boone, De Kalb, Lee, Ogle and Winnebago. In northeast Illinois,<br />
McHenry.
* WHEN...Until 5 PM CDT this afternoon.
* IMPACTS...Creeks and streams may rise out of their banks.
* ADDITIONAL DETAILS...<br />
- Showers and thunderstorms will continue today. Rain may be<br />
heavy at times, with the strongest storms capable of<br />