In case you missed it overnight, temperatures in New Glarus soared into the mid-50s Fahrenheit during the early hours of Jan. 9, 2026—a remarkable departure from typical midwinter conditions in southern Wisconsin.
The unseasonably warm air, pushed northward by a strong frontal system, delivered a brief taste of spring to the region. On Thursday, Jan. 8, New Glarus received about half an inch of rain as the warm front moved through, contributing to wet conditions amid the mild weather. Highs on Thursday topped out near 55°F, shattering the normal January high of around 27°F for the area.
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