Flood Warning Issued for Calhoun, IL and Pike, MO
This alert is no longer in effect.
NOAA issued it on April 9, 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 Calhoun County in Illinois and Pike County in Missouri due to expected minor flooding on the Mississippi River.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Western Illinois and Eastern Missouri
- Issued
- April 9, 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 Western Illinois and Eastern Missouri.
Alert Details
A Flood Warning has been issued by the National Weather Service (NWS) St Louis MO. It is effective starting at 2026-04-09T11:56:00-05:00 CDT.
Affected Areas
The warning affects Calhoun, IL and Pike, MO, specifically the Mississippi River at Clarksville and Louisiana.
What You Should Do
Motorists should not attempt to drive around barricades or drive cars through flooded areas.
Expected Conditions
Minor flooding is forecast. At Clarksville, the river stage is at 25.0 feet and expected to rise to 25.8 feet early Monday morning. Flood stage is 25.0 feet.
Timeline
The alert is effective from 2026-04-09T13:00:00-05:00 CDT until further notice, with an expiration at 2026-04-11T00:00:00-05:00 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 (732 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 9, 2026.
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