Flood Warning Issued for Meramec River Near Arnold, MO
This alert is no longer in effect.
NOAA issued it on July 15, 2026, 5 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 has issued a Flood Warning for the Meramec River near Arnold in Jefferson and St. Louis counties, Missouri, effective from Tuesday morning through Saturday afternoon.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Jefferson and St. Louis Counties, MO
- Issued
- July 15, 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 5 weeks ago; use the issuing agency's live warning service for current conditions in Jefferson and St. Louis Counties, MO.
Alert Details
A Flood Warning has been issued by the National Weather Service in St Louis MO. The alert was sent at 9:21PM CDT on June 15, 2026, and is in effect from Tuesday morning to Saturday afternoon.
Affected Areas
The warning covers Jefferson County, MO and St. Louis County, MO, specifically the Meramec River near Arnold.
What You Should Do
Turn around, don't drown when encountering flooded roads. Motorists should not attempt to drive around barricades or drive cars through flooded areas.
Expected Conditions
Minor flooding is forecast. At 9:00 PM CDT Monday the stage was 23.0 feet. The river is expected to rise above flood stage late Tuesday evening to a crest of 24.5 feet Thursday morning. Flood stage is 24.0 feet. At 24.7 feet, Hawkins Road south of Meramec Bottom Road begins flooding.
Timeline
The warning is effective from Tuesday morning (June 16 at 10:00 AM CDT) until Saturday afternoon (June 20 at 3:00 PM CDT). The river is forecast to fall below flood stage early Friday afternoon.
Original source: NOAA Official Notice ↗
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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 (1,028 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 15, 2026.
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