Flood Warning Issued for Menominee and Marinette Areas
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A Flood Warning is in effect for Menominee, MI and Marinette, WI, with major flooding on the Menominee River reaching near record levels.
What this NWS weather alert tells you, and what most readers miss
This notice was issued by NOAA on April 19, 2026 and geographically references Upper Michigan and Northeastern Wisconsin. 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.
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Alert Details
A Flood Warning has been issued by NWS Green Bay WI. It is effective from April 15, 2026, at 12:47 PM CDT.
Affected Areas
The warning affects Menominee, MI; Marinette, WI; and includes counties such as Dickinson, Marinette, Florence, Menominee, and Iron. Specific rivers impacted include the Menominee River near Niagara, Vulcan, Koss, Florence, and McAllister.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov.
Expected Conditions
Major flooding is occurring and forecast for the Menominee River, with the stage at 19.4 feet and expected to crest at 19.6 feet. This is above the flood stage of 15.0 feet and approaches the flood of record, comparing to a previous crest of 20.0 feet on May 9, 1960.
Timeline
The alert is effective from April 15, 2026, at 12:47 PM CDT and remains in effect until further notice, with the next statement to be issued late tonight by 4:00 AM CDT on April 16, 2026.
Original source: NOAA Official Notice ↗
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