Flood Warning Issued for Pike County, Illinois and Marion County, Missouri
This alert is no longer in effect.
NOAA issued it on April 11, 2026, 4 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 Pike County in Illinois and Marion County in Missouri, with minor flooding expected along the Mississippi River at Hannibal from Monday afternoon until April 19.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Pike County, Illinois and Marion County, Missouri
- Issued
- April 11, 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 4 months ago; use the issuing agency's live warning service for current conditions in Pike County, Illinois and Marion County, Missouri.
Flood Warning in Pike and Marion Counties
Alert Details
A Flood Warning has been issued by the National Weather Service in St Louis, MO. It is effective from April 11, 2026, and remains in place until April 19, 2026.
Affected Areas
The warning affects Pike County in Illinois and Marion County in Missouri, specifically along the Mississippi River at Hannibal.
What You Should Do
Motorists should not attempt to drive around barricades or drive cars through flooded areas to ensure safety.
Expected Conditions
Minor flooding is forecast. The river stage was 16.7 feet at 11:15 AM CDT on April 11, and it is expected to rise above the flood stage of 17.0 feet to a crest of 17.5 feet on Wednesday morning. At 17.0 feet, the John Hay Recreation Area on the east side begins flooding.
Timeline
The onset of flooding is expected on Monday afternoon, April 13, 2026. The warning expires on April 12, 2026, at 11:45 PM CDT, and the event ends on April 19, 2026, at 1:00 AM CDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Similar body length
Nearest notices by article body length (993 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 11, 2026.
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