Flood Warning Issued for Big Creek at Blairstown in Cass, Henry, Johnson Counties

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

This alert is no longer in effect.

NOAA issued it on June 15, 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.

A Flood Warning is in effect for Big Creek at Blairstown affecting Cass, Henry and Johnson Counties in Missouri from May 31 at 10:35AM CDT until June 4 at 1:00AM CDT.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Cass, Henry, and Johnson Counties, Missouri
Issued
June 15, 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 Cass, Henry, and Johnson Counties, Missouri.

Alert Details

Flood Warning issued by NWS Kansas City/Pleasant Hill MO. Effective from 2026-05-31T10:35:00-05:00 until 2026-06-04T01:00:00-05:00. Severity: Severe. Certainty: Likely. Urgency: Expected.

Affected Areas

Cass County, MO; Henry County, MO; Johnson County, MO. Specifically Big Creek at Blairstown.

What You Should Do

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

Expected Conditions

Minor flooding is occurring and minor flooding is forecast. At 10:00 AM CDT the stage was 20.2 feet. Flood stage is 20.0 feet. 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 located 0.2 miles west of Blairstown and across B Highway near Big Creek.

Timeline

From this morning to late Wednesday night. The river will rise to 21.0 feet this evening, fall below flood stage late this evening to 19.7 feet just after midnight tonight, rise above flood stage late tonight to 21.2 feet early Tuesday morning, then fall below flood stage again early Wednesday morning.

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?
A Flood Warning is in effect for Big Creek at Blairstown affecting Cass, Henry and Johnson Counties in Missouri from May 31 at 10:35AM CDT until June 4 at 1:00AM 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 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.