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StormProofhail seasons → Sioux Falls

Sioux Falls hail, season by season

Every NWS-recorded hail report of 1″ or larger within 25 miles of Sioux Falls, grouped by season — 400 reports since 1996, the largest 4.50" (1997-07-13). Source: NCEI Storm Events (vintage c20260527); the current season also carries preliminary SPC reports, labeled.

Season≥1″ reportsStorm daysMax hail
2026 (in progress) 30 (preliminary) 0 1.50"
2025 13 4 2.75"
2023 4 4 1.25"
2022 36 7 2.50"
2021 33 6 4.00"
2019 5 3 1.00"
2018 14 2 1.75"
2017 19 5 1.50"
2016 4 3 1.75"
2015 9 3 1.75"
2014 37 7 2.00"
2013 12 4 2.50"
2012 8 4 1.50"
2011 6 5 1.75"
2010 13 4 1.75"
2009 12 5 1.75"
2008 8 5 2.75"
2007 4 3 1.00"
2006 3 2 1.00"
2005 23 10 1.75"
2004 25 7 2.75"
2003 8 3 2.75"
2002 27 10 1.75"
2001 31 5 2.75"
2000 20 6 2.00"
1999 6 4 1.75"
1998 9 6 2.75"
1997 5 3 4.50"
1996 6 3 1.75"

NWS records are point and path observations. The absence of a nearby report does NOT prove that no hail fell at this address — it means no observation was logged nearby. A report of nearby hail documents the event; it does not by itself prove damage to a specific structure.

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