This event is no longer active — it's kept here as a record.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 →
Flood Warning issued August 12 at 11:39PM EDT until August 13 at 10:00AM EDT by NWS Indianapolis IN
This is a severe-significance flood warning event affecting Decatur, IN, tracked from official feeds (NOAA / National Weather Service). We update this page as the situation develops.
- Type
- Flood Warning
- Extent
- ≈ 233,627 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 (Decatur, 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
Decatur, IN · ≈ 370 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 IND
Area Forecast Discussion
Dense fog will reduce visibility near and north of I-70 through 9AM, with heavy rain and possible flash flooding expected across north central Indiana today and overnight, plus a few severe storms with damaging wind gusts possible.
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000 FXUS63 KIND 130735 AFDIND
Area Forecast Discussion National Weather Service Indianapolis IN 335 AM EDT Thu Aug 13 2026
.KEY MESSAGES...
- Dense Fog Advisory generally near and north of the I-70 corridor through 9AM
- Heavy rain and localized flash flooding remain the primary concern today, especially across north central Indiana into the overnight
- A few severe thunderstorms are possible today with damaging wind gusts as a storm complex moves in from the west
- Additional storm chances continue Friday into Saturday
- Warmer and more humid conditions return Saturday before drier and cooler weather settles in Sunday through early next week
&&
.FORECAST UPDATE... Issued at 334 AM EDT Thu Aug 13 2026
As dew point depressions have dropped to near 0 across very saturated soils, dense fog has begun to form across much of the I-70 corridor and points to the north. Subtle WAA over the quasi- stationary front over southern Indiana is helping to increase coverage even as high clouds stream in overhead. Expect to see coverage continue to increase through daybreak before daytime heating brings an end to the fog.
A Dense Fog Advisory will be in place through 9AM to account for th…
- Storm report NWS ILN storm report
FLASH FLOOD — 3 N Centerville, IN
All lanes on I-70 westbound are closed due to flooding breaking the road. This occurred near Centerville Rd (mile marker 146).
- Bulletin NWS Indianapolis IN
Flood Warning issued
Decatur, IN
- Storm report NWS IND storm report
FLASH FLOOD — 4 SE Sardinia, IN
Several roads closed across the northeastern portions of the county.
Show 7 earlier updates
- NWS ILN storm report Storm report
- NWS ILN storm report Storm report
- facebook.com News
Flash Flood Warning including Cedar Lake IN, Lowell IN and Roselawn IN until 1:45 PM CDT
- WTHR News
- WISH-TV News
Flooding continues, severe storms expected this afternoon | Aug. 12, 2026
- Free Press Kashmir News
Life-threatening flash flooding reported across Decatur County
- Fox 59 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 ↗.