Flood Warning Issued for Grand River Near Sumner in Missouri

Source: NOAA · Northern Missouri

This alert is no longer in effect.

NOAA issued it on June 22, 2026, 2 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.

NWS Kansas City/Pleasant Hill has issued a Flood Warning for the Grand River near Sumner affecting Carroll, Chariton, Linn and Livingston Counties in Missouri.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Northern Missouri
Issued
June 22, 2026
Issuing authority
NWS Kansas City/Pleasant Hill 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 2 months ago; use the issuing agency's live warning service for current conditions in Northern Missouri.

Alert Details

A Flood Warning has been issued by the National Weather Service in Kansas City/Pleasant Hill MO. The alert was sent at 6:51 AM CDT on June 5, 2026, and is effective from that time.

Affected Areas

The warning covers Carroll, Chariton, Linn, and Livingston Counties in Missouri, specifically for the Grand River near Sumner.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Expected Conditions

Moderate flooding is forecast. At 23.0 feet, bottomland 1 to 2 miles south of the gage begins to flood. At 26.0 feet, rural land adjacent to the river is flooded. At 28.0 feet, rural roads are under water. Flood stage is 26.0 feet.

Timeline

The river is expected to rise above flood stage Saturday evening (June 6) to a crest of 30.1 feet early Sunday afternoon. It will then fall below flood stage early Monday morning. The warning is in effect until 2:00 AM CDT on June 9, 2026.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Kansas City/Pleasant Hill has issued a Flood Warning for the Grand River near Sumner affecting Carroll, Chariton, Linn and Livingston Counties in Missouri.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Northern Missouri. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.