National Weather Service United States Department of Commerce


Heavy snow occurred mainly during the afternoon and evening of Saturday, January 28, 2023, leading to a swath of 6-10 inches of snow accumulation from Dodgeville through Madison and down through Racine County, with some locally higher totals.

This event was primarily driven by strong warm air advection and frontogenesis aloft at the 850mb to 700mb level which provided strong lift and saturation within the dendritic growth zone. Multiple shortwave troughs at the 500mb level also moved overhead through Saturday leading to multiple waves of banded precipitation. The areas that saw the most accumulation were run over by the most bands on Saturday, including a particularly prolonged heavy snow band that set up from Milwaukee to Madison Saturday evening. 

Official snow totals from our Official Climate Observation sites at the Milwaukee and Madison airports measured 7.9 inches and 7.3 inches of accumulation respectively. The clustering of the highest totals looked to be in Racine County, with localized maxima of 10 to 10.5 inches stretching back west along I-94 and through Madison.

Hourly Radar from 5:40 AM on January 28 to 3:40 AM on January 29
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