Flood Warning Issued for St. Charles and St. Louis, Missouri
This alert is no longer in effect.
NOAA issued it on May 12, 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 St. Charles and St. Louis in Missouri, with minor flooding expected on the Missouri River until May 2, 2026.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- St. Charles and St. Louis, Missouri
- Issued
- May 12, 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 St. Charles and St. Louis, Missouri.
Flood Warning in Missouri
Alert Details
A Flood Warning has been issued by the National Weather Service (NWS) St Louis MO. It is effective from April 30, 2026, at 5:08 AM CDT.
Affected Areas
The warning affects St. Charles, MO and St. Louis, MO, specifically the Missouri River at St. Charles.
What You Should Do
Motorists should not attempt to drive around barricades or drive cars through flooded areas.
Expected Conditions
Minor flooding is forecast for the Missouri River at St. Charles. The river stage is currently at 24.9 feet, with flood stage at 25.0 feet. It is expected to rise to 25.1 feet, fall to 24.5 feet, rise again to 25.3 feet, and then fall below flood stage.
Timeline
The warning is effective from April 30, 2026, at 5:08 AM CDT, with onset at 6:24 AM CDT on the same day. It expires on May 1, 2026, at 5:15 PM CDT and ends on May 2, 2026, at 6:00 AM CDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →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.
Similar body length
Nearest notices by article body length (898 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 12, 2026.
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