Flood Warning Issued for Cass, Henry, Johnson Counties in Missouri

Source: NOAA · Western Missouri

This alert is no longer in effect.

NOAA issued it on May 28, 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 Big Creek at Blairstown affecting Cass, Henry, and Johnson Counties in Missouri until May 22 at 4:00PM CDT.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Western Missouri
Issued
May 28, 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 Western Missouri.

Alert Details

A Flood Warning has been issued by the National Weather Service in Kansas City/Pleasant Hill MO. The alert is effective from May 18 at 8:24AM CDT, with onset at 12:04PM CDT, and remains in effect until May 22 at 4:00PM CDT.

Affected Areas

The warning covers Cass, Henry, and Johnson Counties in Missouri, specifically for Big Creek at Blairstown. Moderate flooding is forecast.

What You Should Do

Motorists should not attempt to drive around barricades or drive cars through flooded areas.

Expected Conditions

At 8:00 AM CDT Monday the stage was 14.3 feet with a bankfull stage of 20.0 feet and flood stage of 20.0 feet. The river is expected to rise above flood stage this afternoon to a crest of 25.3 feet tomorrow evening.

Timeline

The Flood Warning is in effect from this afternoon to Friday afternoon. The river is forecast to fall below flood stage Thursday afternoon.

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 Big Creek at Blairstown affecting Cass, Henry, and Johnson Counties in Missouri until May 22 at 4:00PM CDT.
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 Western 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.