National Weather Service United States Department of Commerce


A winter storm moved through the Upper Mississippi River Valley on Thursday, January 11, 2018. Initially, temperatures were above freezing and precipitation fell as rain. Then, a strong cold front moved across the region, causing precipitation to quickly change over to snow. A flash freeze occurred for many areas, meaning wet roads from the rainfall quickly froze and became icy as temperatures dropped.

Snow amounts ranged from a Trace up to 5 inches with the highest amounts falling across portions of southeast Minnesota into north central Wisconsin.

Travel was impacted throughout the day with several school closures across northeast Iowa, southeast Minnesota, and north central Wisconsin. 

January 11, 2018 Snowfall
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