Flash Flood Warning Issued for Hendricks and Marion Counties in Indiana

Source: NOAA · Central Indiana

This alert is no longer in effect.

NOAA issued it on August 15, 2026, 8 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 northeastern Hendricks County and northern Marion County until 3:15 PM EDT.

Read this weather record in 30 seconds

Record type
Flash Flood Warning
Affected area
Central Indiana
Issued
August 15, 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 8 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 15, 2026 at 10:12 AM EDT until August 15, 2026 at 3:15 PM EDT. Severity: Severe. Urgency: Immediate. Certainty: Likely.

Affected Areas

Northeastern Hendricks County in central Indiana and northern Marion County in central Indiana. Locations that will experience flash flooding include Indianapolis, Carmel, Fishers, Lawrence, Brownsburg, Speedway, Meridian Hills, Clermont, Rocky Ripple, Williams Creek, Wynnedale, Spring Hill, Crows Nest, North Crows Nest, Broad Ripple, Indiana State Fairgrounds, Castleton, Eagle Creek Reservoir and Geist Reservoir.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.

Expected Conditions

At 10:12 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 2 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible. Flash flooding is ongoing or expected to begin shortly. Hazard: Flash flooding caused by thunderstorms. Impact: Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.

Timeline

Alert effective August 15, 2026 at 10:12 AM EDT. Expires and ends August 15, 2026 at 3:15 PM EDT.

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?
NWS Indianapolis has issued a Flash Flood Warning for northeastern Hendricks County and northern Marion County until 3:15 PM EDT.
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.