Flash Flood Warning Issued for Central Indiana Counties

Source: NOAA · Central Indiana

This alert is no longer in effect.

NOAA issued it on May 8, 2026, 3 months 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.

A Flash Flood Warning is in effect for Boone, Hamilton, Hendricks, and Marion counties in central Indiana until 2:15 AM EDT on April 28, due to heavy rain from thunderstorms.

Read this weather record in 30 seconds

Record type
Flash Flood Warning
Affected area
Central Indiana
Issued
May 8, 2026
Issuing authority
NWS Indianapolis

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 3 months ago; use the issuing agency's live warning service for current conditions in Central Indiana.

Alert Details

The National Weather Service in Indianapolis has issued a Flash Flood Warning, effective from 11:10 PM EDT on April 27 until 2:15 AM EDT on April 28.

Affected Areas

The warning affects Boone County, Hamilton County, Hendricks County, and Marion County in central Indiana. Specific locations include Indianapolis, Carmel, Fishers, Noblesville, Lawrence, Plainfield, Brownsburg, Lebanon, Beech Grove, Zionsville, Speedway, Danville, Westfield, Avon, Cumberland, Cicero, Fortville, Pittsboro, Whitestown, and Meridian Hills.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Expected Conditions

Doppler radar indicates thunderstorms producing heavy rain, with between 1.5 and 2.5 inches of rain already fallen and additional amounts up to 2.5 inches possible. Flash flooding is ongoing or expected, affecting small creeks and streams, urban areas, highways, streets, underpasses, and other poor drainage and low-lying areas.

Timeline

The alert is effective from 11:10 PM EDT on April 27 and expires at 2:15 AM EDT on April 28.

Original source: NOAA Official Notice ↗

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Nationwide notices with similar length or severity timing 8

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.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
A Flash Flood Warning is in effect for Boone, Hamilton, Hendricks, and Marion counties in central Indiana until 2:15 AM EDT on April 28, due to heavy rain from thunderstorms.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Central Indiana. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.