Severe Thunderstorm Warning for Northwestern Portage County, WI
If you are in immediate danger, call emergency services now.
For real-time, official alerts and instructions for your exact location, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia) as applicable. This article is a data summary, not a substitute for the issuing agency's live warning.
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Green Bay has issued a Severe Thunderstorm Warning for northwestern Portage County in central Wisconsin until 5:30 PM CDT on May 27.
What this NWS weather alert tells you, and what most readers miss
This notice was issued by NOAA on June 11, 2026 and geographically references Central 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.
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, Severe Thunderstorm Warning, Portage County) 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
A Severe Thunderstorm Warning (SVR) has been issued by the National Weather Service in Green Bay WI. The alert is effective from May 27 at 5:00 PM CDT until May 27 at 5:30 PM CDT.
Affected Areas
The warning covers Northwestern Portage County in central Wisconsin. The storm was located 8 miles southeast of Mosinee or 10 miles north of Stevens Point and will be near Stevens Point around 5:10 PM CDT. Other impacted locations include Dewey Marsh Wildlife Area, Jordan, and Junction City.
What You Should Do
Move to an interior room on the lowest floor of a building. Do not drive your vehicle through flooded roadways.
Expected Conditions
At 4:59 PM CDT, a severe thunderstorm was moving south at 25 mph with 60 mph wind gusts and quarter size hail (1.00 inch). Hail damage to vehicles is expected along with wind damage to roofs, siding, and trees. Torrential rainfall is occurring and may lead to flash flooding.
Timeline
The warning is in effect from 5:00 PM CDT to 5:30 PM CDT on May 27, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Frequently Asked Questions
Common questions about this NWS weather alert.