Blizzard Warning Issued for Northeast Wisconsin: Up to 20 Inches of Snow and 50 MPH Gusts Expected

Source: NOAA · Northeast Wisconsin

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A Blizzard Warning has been issued for Brown, Outagamie, Winnebago, and Calumet counties, with heavy snow and dangerous blowing snow expected through Monday afternoon.

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

This notice was issued by NOAA on March 30, 2026 and geographically references Northeast 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, Blizzard Warning, 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 Blizzard Warning for portions of Northeast Wisconsin. This alert follows a Winter Storm Warning as a significant weather system moves through the region, bringing heavy snow and high winds.

Affected Areas

The warning is in effect for the following Wisconsin counties:

  • Brown
  • Calumet
  • Outagamie
  • Winnebago

Specific locations mentioned include Oshkosh and Brillion, which are expected to see the lower end of the predicted snow totals.

Expected Conditions

  • Precipitation: Heavy snow is expected. Snow will mix with or change to sleet, freezing rain, and rain at times late Saturday night into Sunday afternoon before changing back to all snow.
  • Accumulations: Total snow and sleet accumulations are forecast between 12 and 20 inches. Ice accumulations of one-tenth to two-tenths of an inch are possible.
  • Wind: Gusts as high as 50 mph are expected, resulting in considerable blowing and drifting snow and blizzard conditions.
  • Impacts: Travel could be very difficult to impossible. Widespread blowing snow will significantly reduce visibility, and gusty winds could bring down tree branches. The hazardous conditions are expected to impact the Monday morning commute.

Timeline

  • Winter Storm Warning: In effect from 10:00 PM Saturday, March 14, until 4:00 PM CDT Sunday, March 15.
  • Blizzard Warning: In effect from 4:00 PM Sunday, March 15, until 4:00 PM CDT Monday, March 16.

What You Should Do

Travel should be restricted to emergencies only. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. If you get stranded, stay with your vehicle. Residents are advised to have a winter survival kit prepared. The latest road conditions for the state can be obtained by calling 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 Blizzard Warning has been issued for Brown, Outagamie, Winnebago, and Calumet counties, with heavy snow and dangerous blowing snow 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 Northeast 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.