Flood Warning Issued for Callaway and Osage Counties in 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This alert is no longer in effect.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 has been issued by NWS St Louis MO for Callaway and Osage counties in Missouri, with minor flooding expected on the Missouri River from April 29 to May 3, 2026.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Callaway and Osage Counties, 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 Callaway and Osage Counties, Missouri.
Flood Warning in Missouri
Alert Details
The alert is a Flood Warning, issued by NWS St Louis MO. It was sent on April 27, 2026, at 4:57 PM CDT.
Affected Areas
The warning affects Callaway, MO; Osage, MO; specifically the Missouri River near Chamois and at Hermann.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Monitor conditions and check for updates at the provided resources.
Expected Conditions
Minor flooding is forecast. The river is expected to rise above flood stage of 17.0 feet to a crest of 19.5 feet on Thursday morning, April 30, 2026.
Timeline
The warning is effective from April 29, 2026, at 6:34 AM CDT, and ends on May 3, 2026, at 3:00 AM 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 (756 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 7, 2026.
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