Flood Advisory — Kane County, Illinois
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Current Status
🌊 Active: Flood Advisory
Flood Advisory issued August 11 at 11:57AM CDT until August 11 at 2:00PM CDT by NWS Chicago IL
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Southern Kane County in northeastern Illinois... Northern Kendall County in northeastern Illinois... * WHEN...Until 200 PM CDT. * IMPACTS...Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 1154 AM CDT, Doppler radar and automated rain gauges indicated up to 1.5 inches of rain occurred due to earlier thunderstorms. Heavy rainfall has moved out of the area, but some standing water may be slow to recede over the next few hours. - Flooding impacts will continue, but no additional rainfall is expected. - Some locations that will experience flooding include... Aurora, Oswego, Batavia, Geneva, Yorkville, Plano, Montgomery, North Aurora, Sugar Grove, Boulder Hill, Elburn, Big Rock, Kaneville, Bristol and Little Rock. - http://www.weather.gov/safety/flood
Effective August 11, 2026 at 12:57 PM ET · Expires August 11, 2026 at 3:00 PM ET
Event Details
Event Type
Flood Advisory
Severity
minor
Issued By
NWS Chicago IL
Expires
August 11, 2026 at 3:00 PM ET
Last Checked
2 minutes ago
What To Do
📋 Official NWS Guidance
A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters.
Also In Effect For
This same Flood Advisory also covers:
Other Active Alerts in Illinois
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Get Flood Advisory Alerts for Kane County
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Frequently Asked Questions
What does a Flood Advisory mean for Kane County, Illinois?
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Is this Flood Advisory currently active?
Yes — this alert is active as of our last check (2 minutes ago). It's set to expire August 11, 2026 at 3:00 PM ET.
How do I get notified about Flood Advisory alerts for Kane County?
Download StormCast free on Google Play and set Kane County, Illinois as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Flood Advisory is also in effect for Kendall County.