This event is no longer active — it's kept here as a record. Recovery may still be underway; the guidance below applies.
Part of: Shelby County Area Flooding — August 2026 →
Flash Flood Warning issued August 12 at 10:42AM CDT until August 12 at 1:45PM CDT by NWS Chicago IL
This is a severe-significance flash flood warning event affecting Jasper, IN; Lake, IN; Newton, IN; Porter, IN, tracked from official feeds (NOAA / National Weather Service). We update this page as the situation develops.
- Type
- Flash Flood Warning
- Extent
- ≈ 525,613 acres
- Began
- To end
Affected by this event? Open your area's damage guides below to reach a vetted local restoration pro, 24/7.
Affected area map
The shaded area is the affected-area perimeter reported for this event by NOAA / National Weather Service (Jasper, IN; Lake, IN; Newton, IN; Porter, IN), 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
Jasper, IN; Lake, IN; Newton, IN; Porter, IN · ≈ 820 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 ↗.
Restoration help near this event
Tap your city for a vetted local pro on that service, answered 24/7. Where we don't have a nearby city page yet, the step-by-step guides cover what to do first.
Water damage restoration
What to do now
Mold remediation
What to do now
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.
- Storm report NWS LOT storm report
FLOOD — 2 NW Rockdale, IL
a few inches of standing water on Glenwood Ave. relayed via social media.
- Bulletin NWS Chicago IL
Flash Flood Warning issued
Jasper, IN; Lake, IN; Newton, IN; Porter, IN
- News Insurance Business
Hurricane Debby's flooding closes at $2.8 billion
- News Rock Hill Herald
Prepare for strong thunderstorms in Inland Jasper and Coastal Jasper
Show 1 earlier update
- NWS IWX storm report Storm report
Updates are captured automatically from official and news sources, and may lag the live source. For the very latest, see NOAA / National Weather Service ↗.