Flood Warning Issued for Marais Des Cygnes River at Osawatomie in Miami County

Source: NOAA · Miami County, Kansas

This alert is no longer in effect.

NOAA issued it on April 6, 2026, 4 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.

The National Weather Service has issued a Flood Warning for Miami County, Kansas, with the Marais Des Cygnes River expected to crest at 29.6 feet.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Miami County, Kansas
Issued
April 6, 2026
Issuing authority
NWS Kansas City/Pleasant Hill MO

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 4 months ago; use the issuing agency's live warning service for current conditions in Miami County, Kansas.

Alert Details

The National Weather Service in Pleasant Hill, MO, has issued a Flood Warning for the Marais Des Cygnes River at Osawatomie. This alert indicates that minor flooding is forecast for the region.

Affected Areas

The primary area affected is Miami County, Kansas, specifically along the Marais Des Cygnes River near Osawatomie.

What You Should Do

Residents and motorists are advised to "Turn around, don't drown" when encountering flooded roads. Most flood-related deaths occur in vehicles. The National Weather Service recommends avoiding flooded areas and staying informed through local weather updates.

Expected Conditions

As of 8:00 AM CDT on Wednesday, the river stage was recorded at 19.8 feet. The river is forecast to rise above the flood stage of 28.0 feet late this evening. It is expected to reach a crest of 29.6 feet by Thursday morning before falling below flood stage Thursday afternoon. At 28.0 feet, low-lying areas along the river begin to flood. For reference, at 31.0 feet, 347th Road or Main Street east of Highway 169 is under water.

Timeline

The Flood Warning is effective from Wednesday evening, March 11, and is expected to remain in place until Friday afternoon, March 13, at 3:00 PM CDT.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
The National Weather Service has issued a Flood Warning for Miami County, Kansas, with the Marais Des Cygnes River expected to crest at 29.6 feet.
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 Miami County, Kansas. 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.