Flood Warning Issued for Big Creek at Blairstown in Missouri

Source: NOAA · Cass, Henry, and Johnson Counties, Missouri

This alert is no longer in effect.

NOAA issued it on July 27, 2026, 3 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 Kansas City/Pleasant Hill has issued a Flood Warning for Big Creek at Blairstown affecting Cass, Henry and Johnson Counties in Missouri from Sunday morning to Wednesday afternoon.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Cass, Henry, and Johnson Counties, Missouri
Issued
July 27, 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 3 weeks ago; use the issuing agency's live warning service for current conditions in Cass, Henry, and Johnson Counties, 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 7:59 PM CDT on June 20, 2026, and is effective from 7:59 PM CDT June 20 until 3:00 PM CDT June 24, 2026.

Affected Areas

The warning covers Cass County, Henry County, and Johnson County in Missouri, specifically for Big Creek at Blairstown.

What You Should Do

Residents should avoid flooded areas. At 20.0 feet, the west bank of the creek begins to flood. At 23.0 feet, flooding occurs at the west approach to the N Highway bridge 0.2 miles west of Blairstown and across B Highway near Big Creek several miles northwest of Blairstown.

Expected Conditions

Moderate flooding is forecast. The river is expected to rise above flood stage of 20.0 feet to a crest of 23.6 feet.

Timeline

The river is expected to rise above flood stage late Sunday morning, crest Monday morning, and fall below flood stage early Tuesday afternoon. The stage was 14.7 feet at 7:00 PM CDT Saturday.

Original source: NOAA Official Notice ↗

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.

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 from Sunday morning to Wednesday afternoon.
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 Cass, Henry, and Johnson Counties, 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.