This event is no longer active — it's kept here as a record. Recovery may still be underway; the guidance below applies.
Part of: Putnam County Area Flooding — August 2026 →
Flood Warning issued August 15 at 8:42PM CDT until August 17 at 1:00PM CDT by NWS Chicago IL
This is a severe-significance flood warning event affecting Iroquois, IL, tracked from official feeds (NOAA / National Weather Service). We update this page as the situation develops.
- Type
- Flood Warning
- Extent
- ≈ 48,538 acres
- Began
- To end
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Affected area map
The shaded area is the affected-area perimeter reported for this event by NOAA / National Weather Service (Iroquois, IL), colored by hazard type. Pan and zoom to explore the map; when more than one observation exists, use the slider below to step through how the reported area changed.
Interactive affected-area map
Iroquois, IL · ≈ 76 sq mi reported extent · Enable JavaScript to explore the map.
Shown as reported by our sources — not an official product. For current advisories and the authoritative map, see NOAA / National Weather Service ↗.
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Latest updates
Official updates and news coverage for this event, newest first — National Weather Service products, local storm reports, incident updates and press headlines. Official items are verbatim government text; news headlines link out to the original outlet.
- Forecast discussion NWS LOT
Area Forecast Discussion
Areas of dense fog may linger west and northwest of Chicago through mid-morning, with isolated to scattered thunderstorms possible east of I-55 this afternoon and evening.
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000 FXUS63 KLOT 161206 AFDLOT
Area Forecast Discussion National Weather Service Chicago/Romeoville, IL 706 AM CDT Sun Aug 16 2026
.KEY MESSAGES...
- Areas of fog, some locally dense, may linger through mid morning, mainly west and northwest of Chicago.
- Isolated to scattered thunderstorms may develop along a cold front this afternoon and evening, mainly east of I-55.
- Drier weather is in store Monday into Tuesday before storm chances return midweek.
&&
.DISCUSSION... Issued at 144 AM CDT Sun Aug 16 2026
A shortwave trough continues to pivot across northern IL and has lead to the development of a cluster of thunderstorms. This cluster of thunderstorms will continue to push east across northwest IN through the early overnight hours before exiting our area. The main threat with this storm cluster will be torrential downpours, but some localized pockets of gusty winds (upwards of 45-50 mph) have been occurring and that will likely continue as the cluster moves across our northwest IN counties. Given that this cluster is moving rather quickly, the flooding threat with it appears to be low.
In the wake of this cluster, light to moderate stratiform showers will persist through…
- Bulletin NWS Chicago IL
Flood Warning issued
Iroquois, IL
- Storm report NWS ILX storm report
FLASH FLOOD — 3 ESE Central Illinois, IL
Water over the road at Kickapoo Creek on N 2100 East Road, east-southeast of Bloomington.
- Storm report NWS ILX storm report
FLASH FLOOD — 1 SW Danville, IL
Ellsworth Park closed due to flooding.
Show 4 earlier updates
- NWS ILX storm report Storm report
- NWS ILX storm report Storm report
- NWS ILX storm report Storm report
- Shaw Local News
Updates are captured automatically from official and news sources, and may lag the live source. For the very latest, see NOAA / National Weather Service ↗.