Alert archive / Illinois / River Flood Warnings in 2026
River Flood Warning 41, NWS Lincoln, IL
NWS Lincoln, IL issued this river flood warning at Aug 17, 2026, 2:57 AM CDT for McLean County, Tazewell County, Woodford County, Illinois. It took effect at Aug 17, 2026, 3:20 AM CDT. It was in force for 31 hr.
The area
The counties it named.
The facts
- Issued
- Aug 17, 2026, 2:57 AM CDT (07:57 UTC)
- In effect from
- Aug 17, 2026, 3:20 AM CDT
- Expired
- Aug 18, 2026, 10:21 AM CDT
- In force
- 31 hr
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties McLean County, IL, Tazewell County, IL, Woodford County, IL
The radar
The Lincoln radar (KILX), 51 km from the middle of the area, began a volume at 07:59 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The river
Written for the forecast point Mackinaw River near Congerville (CNGI2). The gauge peaked at 14.57 ft at Aug 17, 2026, 3:00 PM CDT.
- Action stage
- 10 ft
- Minor stage
- 13 ft
- Moderate stage
- 14 ft
- Major stage
- 20 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 05567500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
Nearby
River Flood Warnings in Illinois, 2026Every river flood warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.