Flood Warning Issued for Gasconade and Montgomery Counties, MO
This alert is no longer in effect.
NOAA issued it on June 27, 2026, 8 weeks 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 St Louis MO has issued a Flood Warning for the Missouri River at Hermann affecting Gasconade and Montgomery counties from Monday afternoon to Thursday evening.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Gasconade and Montgomery Counties, Missouri
- Issued
- June 27, 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 8 weeks ago; use the issuing agency's live warning service for current conditions in Gasconade and Montgomery Counties, Missouri.
Alert Details
A Flood Warning has been issued by the National Weather Service St Louis MO. The alert is effective from June 7 at 8:43PM CDT, with onset June 8 at 4:25PM CDT and expiration June 9 at 8:45AM CDT. It remains in effect until June 11 at 10:00PM CDT.
Affected Areas
Gasconade County, MO and Montgomery County, MO. Specific impacts are forecast for the Missouri River at Hermann and near Chamois.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Expected Conditions
Minor flooding is forecast. At 7:30 PM CDT Sunday the stage was 14.7 feet. The river is expected to rise above flood stage (21.0 feet) tomorrow afternoon to a crest of 23.7 feet early Tuesday afternoon, then fall below flood stage Wednesday afternoon. At 25.0 feet, City Lions Club Athletic Field begins to flood.
Timeline
The Flood Warning is in effect from Monday afternoon through Thursday evening.
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 (1,048 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to June 27, 2026.
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