Flash Flood Warning Issued for Hendricks and Marion Counties, IN
This alert is no longer in effect.
NOAA issued it on August 12, 2026, 11 days ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Indianapolis has issued a Flash Flood Warning for Hendricks and Marion counties in central Indiana until 4:30 PM EDT on August 12.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Central Indiana
- Issued
- August 12, 2026
- Issuing authority
- NWS Indianapolis IN
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 11 days ago; use the issuing agency's live warning service for current conditions in Central Indiana.
Alert Details
Flash Flood Warning issued by NWS Indianapolis IN. Effective from August 12 at 1:20 PM EDT until August 12 at 4:30 PM EDT. Severity: Severe. Urgency: Immediate. Certainty: Likely.
Affected Areas
Hendricks County and Marion County in central Indiana. Specific locations that will experience flash flooding include Indianapolis, Carmel, Fishers, Lawrence, Plainfield, Brownsburg, Beech Grove, Speedway, Danville, Southport, Avon, Cumberland, Pittsboro, Meridian Hills, Warren Park, Clermont, Clayton, Jamestown, Homecroft and Rocky Ripple.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Expected Conditions
Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 1 inch of rain has fallen. The expected rainfall rate is 0.5 to 1.5 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible.
Timeline
The warning is in effect from 1:20 PM EDT until 4:30 PM EDT on August 12, 2026. Flash flooding is ongoing or expected to begin shortly.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,083 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 12, 2026.
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