Hail storms on Sep 17, 2026

4 days ago

76 cities across 14 states recorded hail on Sep 17, 2026 — a multi-state outbreak. The peak radar-indicated size reached 2" over Heber City — about the size of a tennis ball. That is a severe hail signal, not property-level damage confirmation.

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Cities hit 76 across 14 states
Peak hail signal 2" ≈ tennis ball · Heber City
Homes in footprints 73,000
Ground reports 21

Sep 17, 2026 · Heber City, UT: 2" peak radar signal · Radar-estimated size map

Mapped cities, by state

Every tracked city with a hail signal on Sep 17, 2026

76 cities · up to 2" · 73,000 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 Sep 17, 2026 convective day. Across those footprints sit roughly 73,000 homes, and 21 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.

Utah

6 cities · up to 2" · 6,809 mapped homes
Heber City, UT 5.1 /10 severity
2" peak signal 5,759 mapped homes 1 ground report
Peoa, UT 4.0 /10 severity
1.75" peak signal 590 mapped homes No ground reports
Coalville, UT 2.8 /10 severity
1.25" peak signal 75 mapped homes No ground reports
Laketown, UT 2.7 /10 severity
1.5" peak signal 8 mapped homes No ground reports
Springville, UT 2.7 /10 severity
1" peak signal 287 mapped homes No ground reports
Spring City, UT 2.5 /10 severity
1" peak signal 90 mapped homes No ground reports

Idaho

22 cities · up to 1.75" · 39,435 mapped homes
Blackfoot, ID 5.6 /10 severity
1.5" peak signal 4,658 mapped homes 8 ground reports
Idaho Falls, ID 4.5 /10 severity
1.25" peak signal 21,887 mapped homes 2 ground reports
Firth, ID 4.4 /10 severity
1.5" peak signal 2,165 mapped homes 2 ground reports
Shelley, ID 4.2 /10 severity
1.25" peak signal 4,762 mapped homes 2 ground reports
Arbon, ID 3.7 /10 severity
1.75" peak signal 139 mapped homes No ground reports
Montpelier, ID 3.2 /10 severity
1.25" peak signal 127 mapped homes 1 ground report
Rockland, ID 2.9 /10 severity
1.25" peak signal 132 mapped homes No ground reports
Pocatello, ID 2.8 /10 severity
0.75" peak signal 1,898 mapped homes No ground reports
Geneva, ID 2.7 /10 severity
1" peak signal 267 mapped homes No ground reports
Newdale, ID 2.6 /10 severity
0.75" peak signal 744 mapped homes No ground reports
Saint Anthony, ID 2.6 /10 severity
0.75" peak signal 944 mapped homes No ground reports
Hamer, ID 2.4 /10 severity
0.75" peak signal 321 mapped homes No ground reports
Pingree, ID 2.4 /10 severity
0.75" peak signal 345 mapped homes No ground reports
Roberts, ID 2.4 /10 severity
0.75" peak signal 304 mapped homes No ground reports
Terreton, ID 2.3 /10 severity
0.75" peak signal 178 mapped homes No ground reports
Aberdeen, ID 2.2 /10 severity
0.75" peak signal 145 mapped homes No ground reports
Inkom, ID 2.1 /10 severity
0.75" peak signal 80 mapped homes No ground reports
American Falls, ID 2.0 /10 severity
0.5" peak signal 316 mapped homes No ground reports
Irwin, ID 1.7 /10 severity
0.75" peak signal 14 mapped homes No ground reports
Paul, ID 1.1 /10 severity
0.5" peak signal 4 mapped homes No ground reports
Rexburg, ID 1.1 /10 severity
0.5" peak signal 5 mapped homes No ground reports
Bellevue, ID 1.0 /10 severity
0.5" peak signal 0 mapped homes 1 ground report

Nebraska

5 cities · up to 1.75" · 936 mapped homes
Chappell, NE 4.5 /10 severity
1.75" peak signal 568 mapped homes 1 ground report
Lisco, NE 3.7 /10 severity
1.75" peak signal 48 mapped homes 1 ground report
Broadwater, NE 2.4 /10 severity
1" peak signal 56 mapped homes No ground reports
Harrisburg, NE 2.3 /10 severity
1" peak signal 42 mapped homes No ground reports
Lodgepole, NE 2.3 /10 severity
0.75" peak signal 222 mapped homes No ground reports

Missouri

6 cities · up to 1" · 5,317 mapped homes
Lake Saint Louis, MO 3.4 /10 severity
1" peak signal 1,928 mapped homes 1 ground report
O Fallon, MO 3.4 /10 severity
1" peak signal 1,931 mapped homes 1 ground report
Wright City, MO 2.3 /10 severity
0.5" peak signal 1,162 mapped homes No ground reports
Saint Robert, MO 1.8 /10 severity
0.5" peak signal 129 mapped homes No ground reports
Cherryville, MO 1.7 /10 severity
0.5" peak signal 89 mapped homes No ground reports
Steelville, MO 1.7 /10 severity
0.5" peak signal 78 mapped homes No ground reports

Indiana

8 cities · up to 1" · 1,307 mapped homes
Wolcott, IN 2.9 /10 severity
1" peak signal 687 mapped homes No ground reports
Reynolds, IN 2.6 /10 severity
1" peak signal 172 mapped homes No ground reports
Brookston, IN 2.1 /10 severity
0.75" peak signal 82 mapped homes No ground reports
Attica, IN 1.8 /10 severity
0.5" peak signal 100 mapped homes No ground reports
Linden, IN 1.8 /10 severity
0.5" peak signal 122 mapped homes No ground reports
Kentland, IN 1.7 /10 severity
0.5" peak signal 90 mapped homes No ground reports
Clarks Hill, IN 1.6 /10 severity
0.5" peak signal 51 mapped homes No ground reports
Terre Haute, IN 1.1 /10 severity
0.5" peak signal 3 mapped homes No ground reports

Wyoming

2 cities · up to 1" · 159 mapped homes
Cokeville, WY 2.6 /10 severity
1" peak signal 159 mapped homes No ground reports
Lagrange, WY 0.8 /10 severity
0.5" peak signal 0 mapped homes No ground reports

Ohio

1 city · up to 0.75" · 15,565 mapped homes
Dayton, OH 3.2 /10 severity
0.75" peak signal 15,565 mapped homes No ground reports

Illinois

11 cities · up to 0.75" · 1,650 mapped homes
Benld, IL 2.5 /10 severity
0.75" peak signal 684 mapped homes No ground reports
Ramsey, IL 2.3 /10 severity
0.75" peak signal 212 mapped homes No ground reports
Bingham, IL 2.2 /10 severity
0.75" peak signal 129 mapped homes No ground reports
Nokomis, IL 2.1 /10 severity
0.5" peak signal 453 mapped homes No ground reports
Brownstown, IL 1.7 /10 severity
0.5" peak signal 82 mapped homes No ground reports
Catlin, IL 1.5 /10 severity
0.5" peak signal 27 mapped homes No ground reports
Tower Hill, IL 1.5 /10 severity
0.5" peak signal 34 mapped homes No ground reports
Shelbyville, IL 1.4 /10 severity
0.5" peak signal 17 mapped homes No ground reports
Morrisonville, IL 1.3 /10 severity
0.5" peak signal 11 mapped homes No ground reports
Kampsville, IL 0.9 /10 severity
0.5" peak signal 1 mapped homes No ground reports
Hamburg, IL 0.8 /10 severity
0.5" peak signal 0 mapped homes No ground reports

Colorado

2 cities · up to 0.75" · 452 mapped homes
Iliff, CO 2.4 /10 severity
0.75" peak signal 378 mapped homes No ground reports
Peetz, CO 2.1 /10 severity
0.75" peak signal 74 mapped homes No ground reports

New Mexico

8 cities · up to 0.75" · 1,151 mapped homes
Alamogordo, NM 2.2 /10 severity
0.5" peak signal 636 mapped homes No ground reports
La Luz, NM 2.2 /10 severity
0.75" peak signal 152 mapped homes No ground reports
Hachita, NM 2.0 /10 severity
0.5" peak signal 315 mapped homes No ground reports
Mescalero, NM 1.9 /10 severity
0.75" peak signal 30 mapped homes No ground reports
San Patricio, NM 1.4 /10 severity
0.5" peak signal 18 mapped homes No ground reports
Garfield, NM 0.8 /10 severity
0.5" peak signal 0 mapped homes No ground reports
Hatch, NM 0.8 /10 severity
0.5" peak signal 0 mapped homes No ground reports
Hillsboro, NM 0.8 /10 severity
0.5" peak signal 0 mapped homes No ground reports

Oregon

2 cities · up to 0.75" · 162 mapped homes
Baker City, OR 1.8 /10 severity
0.5" peak signal 141 mapped homes No ground reports
Seneca, OR 1.8 /10 severity
0.75" peak signal 21 mapped homes No ground reports

New York

1 city · up to 0.5" · 25 mapped homes
Madrid, NY 1.5 /10 severity
0.5" peak signal 25 mapped homes No ground reports

West Virginia

1 city · up to 0.5" · 32 mapped homes
Athens, WV 1.5 /10 severity
0.5" peak signal 32 mapped homes No ground reports

North Carolina

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

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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.