Flood Warning Issued for Osage, Missouri

Source: NOAA · Osage, Missouri

This alert is no longer in effect.

NOAA issued it on May 7, 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 Flood Warning is in effect for Osage, Missouri, due to minor flooding on the Maries River near Westphalia, lasting until April 28, 2026.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Osage, Missouri
Issued
May 7, 2026
Issuing authority
NWS St Louis 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 3 months ago; use the issuing agency's live warning service for current conditions in Osage, Missouri.

Alert Details

The National Weather Service in St Louis, MO, has issued a Flood Warning. It is effective from April 27, 2026, at 10:09 AM CDT until April 28, 2026, at 7:00 PM CDT.

Affected Areas

The warning affects Osage, MO, specifically the Maries River near Westphalia.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Monitor conditions as heavier rainfall could raise river levels.

Expected Conditions

Minor flooding is occurring and forecast. The river stage is currently at 10.1 feet, expected to crest at 10.2 feet before falling below the flood stage of 10.0 feet. At 9.0 feet, County Road 610 begins flooding near the Indian Creek bridge.

Timeline

The alert is effective from April 27, 2026, at 10:09 AM CDT and will expire on April 28, 2026, at 7:00 PM CDT.

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 Flood Warning is in effect for Osage, Missouri, due to minor flooding on the Maries River near Westphalia, lasting until April 28, 2026.
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 Osage, Missouri. 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.