Hail storms on Mar 31, 2026
523 cities across 18 states recorded hail on Mar 31, 2026 — a multi-state outbreak. The peak radar-indicated size reached 4" over Collins — about the size of a softball or larger. That is a severe hail signal, not property-level damage confirmation.
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Mar 31, 2026 · Collins, NY: 4" peak radar signal · NEXRAD + radar-estimated size maps
Mapped cities, by state
Every tracked city with a hail signal on Mar 31, 2026
Every tracked city that recorded hail on this convective day, biggest signal first. Each row opens that city's full storm record.
How to read this day
A storm day on Overview is a convective day — it runs from noon to noon UTC, so late-night hail is grouped with the afternoon storm that spawned it rather than split across two calendar dates. Everything below happened inside the Mar 31, 2026 convective day. Across those footprints sit roughly 538,491 homes, and 114 ground reports were filed with the National Weather Service.
The cities are listed with the biggest storm first, measured by Overview's severity score. Each row links through to that city's own storm page, where you'll find the radar surfaces, every ground report filed, and the hail footprint drawn on the map.
The counts here are the size of the set of cities Overview tracks — never "every US city" — so read a quiet day as "quiet among the places we watch," not as proof nothing happened elsewhere.
New York
57 cities · up to 4" · 36,140 mapped homes
Texas
17 cities · up to 3.25" · 5,824 mapped homes
Indiana
42 cities · up to 2.75" · 113,652 mapped homes
Illinois
115 cities · up to 2.5" · 194,045 mapped homes
Kansas
44 cities · up to 2.5" · 5,782 mapped homes
Oklahoma
10 cities · up to 2.25" · 1,655 mapped homes
Iowa
25 cities · up to 2" · 41,021 mapped homes
Wisconsin
93 cities · up to 2" · 93,257 mapped homes
Alabama
20 cities · up to 1.75" · 2,378 mapped homes
Ohio
41 cities · up to 1.75" · 28,428 mapped homes
Michigan
6 cities · up to 1.5" · 2,248 mapped homes
Mississippi
15 cities · up to 1.25" · 4,492 mapped homes
Louisiana
2 cities · up to 1" · 2,819 mapped homesMissouri
28 cities · up to 1" · 6,501 mapped homes
Pennsylvania
2 cities · up to 1" · 0 mapped homesGeorgia
4 cities · up to 0.75" · 209 mapped homes
Florida
1 city · up to 0.75" · 25 mapped homesMinnesota
1 city · up to 0.75" · 15 mapped homesOverview Pro · iPhone + web
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