Flood Warning Issued for Osage County, Missouri
This alert is no longer in effect.
NOAA issued it on April 26, 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.
The National Weather Service has issued a Flood Warning for Osage County, Missouri, due to expected minor flooding on the Maries River near Westphalia from April 18 until April 19.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Osage, Missouri
- Issued
- April 26, 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
A Flood Warning has been issued by the National Weather Service (NWS) St Louis MO. It is effective starting April 18, 2026.
Affected Areas
The warning affects Osage, MO, specifically the Maries River near Westphalia in Missouri.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Monitor conditions as rainfall heavier than forecast could cause river levels to rise higher.
Expected Conditions
Minor flooding is forecast. The river is expected to rise above the 10.0 feet flood stage to a crest of 11.2 feet this afternoon, with the current stage at 8.1 feet as of 5:00 AM CDT Saturday.
Timeline
The alert is effective from April 18, 2026, at 6:04 AM CDT, with onset at 9:43 AM CDT on the same day. It expires on April 19, 2026, at 6:15 PM CDT and ends at 9:00 PM CDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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.
Similar body length
Nearest notices by article body length (864 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 26, 2026.
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