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Health & Lifestyle • Southwest Wisconsin, WI

Southwest Wisconsin measles outbreak grows as confirmed cases rise above 140

Health officials and local outlets report a growing measles outbreak in southwestern Wisconsin, with counts described as topping 140 and reaching 151 confirmed cases in recent reports.

By James Barber • September 9, 2026 · 4:51 am
Southwest Wisconsin measles outbreak grows as confirmed cases rise above 140

Health officials and local news outlets report that a measles outbreak in southwestern Wisconsin continues to expand.

Coverage by the Wausau Pilot & Review says the outbreak “keeps growing” and has topped 140 cases, while WBAY reports the count has reached 151 confirmed cases. The Wisconsin Department of Health Services has also reported an increase in measles cases in the southwestern part of the state, according to wmtv15news.com, and regional coverage at cedarnews.net describes the outbreak as continuing to grow.

Those reports together indicate a rising number of confirmed measles cases in southwest Wisconsin. State and local public-health authorities are tracking and reporting case counts as the situation develops.

We will continue to follow updates from the Wisconsin Department of Health Services and local health partners as new information becomes available.