Winter Storm Warning Issued for Marathon, Shawano, and Southern Oconto Counties; Up to 32 Inches of Snow Expected

Source: NOAA · Central and Northeastern Wisconsin

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A severe Winter Storm Warning is in effect for parts of Wisconsin, with total snow accumulations of 28 to 32 inches and wind gusts up to 40 mph expected through Monday afternoon.

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

This notice was issued by NOAA on March 27, 2026 and geographically references Central 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 regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

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, WinterStormWarning, Wisconsin) 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

The National Weather Service in Green Bay has issued a Winter Storm Warning for Marathon, Shawano, and Southern Oconto counties. The warning was issued on March 13 and remains in effect until 4:00 PM CDT on Monday, March 16.

Affected Areas

The warning specifically impacts the following geographic regions in Wisconsin:

  • Marathon County
  • Shawano County
  • Southern Oconto County

Expected Conditions

Heavy snow is expected throughout the warning period, with total snow accumulations forecast between 28 and 32 inches. In addition to the heavy snowfall, winds are expected to gust as high as 40 mph. These conditions will likely create areas of blowing snow, which could significantly reduce visibility for anyone on the roads.

Timeline

The Winter Storm Warning is scheduled to begin at 7:00 PM CDT on Saturday, March 14, and will continue until 4:00 PM CDT on Monday, March 16. The hazardous conditions are expected to impact the Friday evening and Monday morning commutes.

What You Should Do

Residents are strongly advised to consider delaying all travel, as conditions could become very difficult to impossible. If travel is absolutely necessary, motorists should use extreme caution. Those who must travel should keep an extra flashlight, food, and water in their vehicle in case of an emergency. For the latest road conditions in the state you are calling from, dial 5 1 1.

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?
A severe Winter Storm Warning is in effect for parts of Wisconsin, with total snow accumulations of 28 to 32 inches and wind gusts up to 40 mph expected through Monday 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 Central and Northeastern Wisconsin. 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.