Flood Warning Issued for Cooper and Saline Counties, MO

Source: NOAA · Cooper and Saline Counties, Missouri

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NWS has issued a Flood Warning for the Blackwater River near Blue Lick affecting Cooper and Saline Counties in Missouri from late Tuesday night to Friday evening.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on June 27, 2026 and geographically references Cooper and Saline Counties, Missouri. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Weather Alerts - determines the warning protocol behind it, which shapes what protective action (seeking shelter, following evacuation orders if issued, monitoring official updates) is recommended and which agency holds authority to issue or cancel it.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action, a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Flood Warning, Missouri) map to related alerts in the same area of risk - browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Alert Details

Flood Warning issued by NWS Kansas City/Pleasant Hill MO. Effective from May 18, 2026 at 9:07 AM CDT, with onset late Tuesday night (May 20 at 2:03 AM CDT) and ending May 22 at 7:00 PM CDT.

Affected Areas

Cooper County, MO and Saline County, MO. Specifically the Blackwater River near Blue Lick.

What You Should Do

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

Expected Conditions

Minor flooding is forecast. The river is expected to rise above flood stage (24.0 feet) early Wednesday morning to a crest of 26.9 feet early Thursday morning, then fall below flood stage Thursday evening. At 24.0 feet, cropland and pastures along the river flood.

Timeline

Alert sent and effective May 18 at 9:07 AM CDT. Onset late Tuesday night. Expires May 18 at 9:15 PM CDT. Ends May 22 at 7:00 PM CDT.

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 has issued a Flood Warning for the Blackwater River near Blue Lick affecting Cooper and Saline Counties in Missouri from late Tuesday night to Friday evening.
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 Cooper and Saline 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.