Flash Flood Warning Issued for Marion County, Iowa

Source: NOAA · Marion County, Iowa

This alert is no longer in effect.

NOAA issued it on June 24, 2026, 2 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.

NWS Des Moines has issued a Flash Flood Warning for Marion County until 5:45 AM CDT Saturday due to thunderstorms producing heavy rain and ongoing flash flooding.

Read this weather record in 30 seconds

Record type
Flash Flood Warning
Affected area
Marion County, Iowa
Issued
June 24, 2026
Issuing authority
NWS Des Moines IA

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 2 months ago; use the issuing agency's live warning service for current conditions in Marion County, Iowa.

Alert Details

Flash Flood Warning issued by NWS Des Moines IA. Effective from 11:42 PM CDT June 5, 2026 until 5:45 AM CDT June 6, 2026. Severity: Severe. Certainty: Likely. Urgency: Immediate.

Affected Areas

Marion County in south central Iowa. Specific locations include Pella, Knoxville, Melcher-Dallas, Knoxville Raceway, Lake Red Rock, Harvey, Knoxville Municipal Airport, Elk Rock State Park and Pella Municipal Airport.

What You Should Do

Be especially cautious at night when it is harder to recognize the dangers of flooding. Turn around, don't drown when encountering flooded roads. For the latest stream observations and forecasts refer to weather.gov/desmoines/water.

Expected Conditions

Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 4 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible. Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses.

Timeline

Alert effective immediately from 11:42 PM CDT June 5 until 5:45 AM CDT June 6.

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 Des Moines has issued a Flash Flood Warning for Marion County until 5:45 AM CDT Saturday due to thunderstorms producing heavy rain and ongoing flash flooding.
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 Marion County, Iowa. 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.