Latest Measurable Snowfalls across Upper Michigan

With the 3.6 inches of snow that fell at NWS Marquette from the evening of 5/15 through the morning of 5/16, the second latest snowfall of this magnitude was recorded. However, measurable snowfall can occur much later across Upper Michigan. The following table lists the latest observed measurable snowfalls on record for each Upper Michigan site with at least 100 years of data. Traces of snow have been observed later than this, though tracking traces of snow into June becomes difficult as hail is also recorded as a trace of snow (snow includes any form of ice that falls from the sky).

Location Date Amount (in.)
Iron Mountain 5/29/1947 1.0
Ironwood 5/28/1965 3.7
Iron River 6/07/1904 2.5
Marquette 6/02/1859 2.0
Munising 5/29/1947 6.0
Houghton 6/02/1945 2.0
Newberry 5/29/1947 4.0
Sault Ste. Marie 5/29/1947 4.6



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