Hail storms on Oct 20, 2026

2 days ago

20 cities across 2 states recorded hail on Oct 20, 2026 — a multi-state outbreak. The peak radar-indicated size reached 2" over Fort Mcdowell — about the size of a tennis ball. That is a severe hail signal, not property-level damage confirmation.

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Cities hit 20 across 2 states
Peak hail signal 2" ≈ tennis ball · Fort Mcdowell
Homes in footprints 112,333
Ground reports 4

Oct 20, 2026 · Fort Mcdowell, AZ: 2" peak radar signal · Radar-estimated size map

Mapped cities, by state

Every tracked city with a hail signal on Oct 20, 2026

20 cities · up to 2" · 112,333 mapped homes · noon-to-noon UTC

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 Oct 20, 2026 convective day. Across those footprints sit roughly 112,333 homes, and 4 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.

Arizona

19 cities · up to 2" · 112,333 mapped homes
Mesa, AZ 5.8 /10 severity
1.75" peak signal 74,425 mapped homes 3 ground reports
Chandler, AZ 4.4 /10 severity
1.25" peak signal 28,521 mapped homes 1 ground report
Fort Mcdowell, AZ 4.2 /10 severity
2" peak signal 236 mapped homes No ground reports
Kirkland, AZ 3.2 /10 severity
1.5" peak signal 65 mapped homes No ground reports
Laveen, AZ 3.2 /10 severity
1.25" peak signal 355 mapped homes No ground reports
Wickenburg, AZ 3.2 /10 severity
1" peak signal 2,199 mapped homes No ground reports
Morristown, AZ 3.1 /10 severity
1" peak signal 1,451 mapped homes No ground reports
Chino Valley, AZ 2.9 /10 severity
0.75" peak signal 3,288 mapped homes No ground reports
Payson, AZ 2.8 /10 severity
1" peak signal 414 mapped homes No ground reports
Clifton, AZ 2.6 /10 severity
0.75" peak signal 824 mapped homes No ground reports
Prescott, AZ 2.5 /10 severity
1" peak signal 113 mapped homes No ground reports
Skull Valley, AZ 2.4 /10 severity
0.75" peak signal 286 mapped homes No ground reports
Congress, AZ 2.2 /10 severity
0.75" peak signal 123 mapped homes No ground reports
Grand Canyon, AZ 1.3 /10 severity
0.5" peak signal 14 mapped homes No ground reports
North Rim, AZ 1.3 /10 severity
0.5" peak signal 14 mapped homes No ground reports
Ganado, AZ 1.1 /10 severity
0.5" peak signal 5 mapped homes No ground reports
Fredonia, AZ 0.8 /10 severity
0.5" peak signal 0 mapped homes No ground reports
Rimrock, AZ 0.8 /10 severity
0.5" peak signal 0 mapped homes No ground reports
Sedona, AZ 0.8 /10 severity
0.5" peak signal 0 mapped homes No ground reports

Kansas

1 city · up to 0.5" · 0 mapped homes
Latham, KS 0.8 /10 severity
0.5" peak signal 0 mapped homes No ground reports

← All storm days

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Open Oct 20 on the live map → Start free trial

Web trial: 7 days free. Card required. $150/month after the trial unless cancelled.

Storm days are convective days (noon-to-noon UTC). Cities and counts are the set Overview tracks, not every place hail fell. Ground reports are public-domain observations from the NOAA Storm Prediction Center; radar sizes are detections and estimates, not confirmed damage.