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Storm Activity›Highest Hail›September 2026
SPC ground truth · verified hail reports · America/Chicago

Top 20 Highest Hail

Top 20 Highest Hail Reported in September 2026, by IDOLCheck. Also: SPC ground-truth winds · US hail map.

Strongest hail September 2026: 4" in Faribault County, MN. SPC local storm reports only — measured stones, not radar tags.

#CountyStatePeakSourceWhen
1 Faribault County Minnesota 4" SPC verified report Sep 1, 2026

“Delayed Report Photo of softball size hail seen on Facebook. Time estimated from radar. (MPX)”

SPC verified report

2 Kiowa County Colorado 4" SPC verified report Sep 20, 2026

“Images shared of 4 inch hail that fell south of Chivington. (PUB)”

SPC verified report

3 Phillips County Montana 3.25" SPC verified report Sep 6, 2026

“Report from mPING: Baseball+ (3.25 in.). Time estiamted from radar. (GGW)”

SPC verified report

4 Fergus County Montana 3" SPC verified report Sep 6, 2026

“Confirmed with Facebook photo with quarter from the public. (TFX)”

SPC verified report

5 Kit Carson County Colorado 3" SPC verified report Sep 19, 2026

“Delayed report. Spotter reported 3 inch hail. (GLD)”

SPC verified report

6 Charles Mix County South Dakota 2.75" SPC verified report Sep 1, 2026
7 Cheyenne County Colorado 2.75" SPC verified report Sep 20, 2026

“Spotter reported baseball size hail near Wild Horse... CO. (GLD)”

SPC verified report

8 Knox County Nebraska 2.75" SPC verified report Sep 1, 2026

“Report of baseball size hail resulting in vehicle with broken windshield in Niobrara... relayed by EM via NWSChat. Time estimated from radar. (OAX)”

SPC verified report

9 Stark County North Dakota 2.75" SPC verified report Sep 23, 2026

“Social media report of baseball size hail southwest of South Heart. (BIS)”

SPC verified report

10 Yellowstone County Montana 2.75" SPC verified report Sep 7, 2026

“Corrects previous hail report from 1 SW Shepherd due to incorrect time. Public reported hail estimated between golf ball and baseball sized. Time estimated by radar. (BYZ)”

SPC verified report

11 Bexar County Texas 2.5" SPC verified report Sep 11, 2026

“Numerous social media pictures of hail ranging in the 2 to 2.5 inch range in Converse. Pictures also include damage of broken windshields and windows of cars. Location (EWX)”

SPC verified report

12 Bingham County Idaho 2.5" SPC verified report Sep 17, 2026

“Photo of tennis ball sized hail. Report via Facebook. (PIH)”

SPC verified report

13 Box Butte County Nebraska 2.5" SPC verified report Sep 5, 2026

“Trained Weather Spotter has reported 2.5 inch hail 5 miles WNW of Alliance. (CYS)”

SPC verified report

14 Gregory County South Dakota 2.5" SPC verified report Sep 1, 2026
15 Judith Basin County Montana 2.5" SPC verified report Sep 6, 2026

“Report from mPING: Tennis Ball (2.50 in.) Estimated. (TFX)”

SPC verified report

16 Lincoln County Colorado 2.5" SPC verified report Sep 20, 2026
17 Mahnomen County Minnesota 2.3" SPC verified report Sep 3, 2026

“Broadcast media shared photo of hail stone estimated to be 2 to 2.5 inches in diameter near Tulaby Lake MN. Time estimated from radar. (FGF)”

SPC verified report

18 Douglas County Minnesota 2.25" SPC verified report Sep 3, 2026

“Report from mPING: Hen Egg+ (2.25 in.). (MPX)”

SPC verified report

19 Polk County Iowa 2.25" SPC verified report Sep 8, 2026

“Report of 2.25 inch hail relayed from broadcast media via email. (DMX)”

SPC verified report

20 Randall County Texas 2.25" SPC verified report Sep 10, 2026

“Largest hail size measured in Lake Tanglewood as storm went through. (AMA)”

SPC verified report

Was it this strong at a specific address?

IDOLCheck does not verify storm evidence at a property. We combine official reports and warning records to show the relevant storm activity associated with a specific address or location, including the most recent 30 days.

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How this board is scored

SPC ground truth. Ranked by the largest measured hailstone in that county in the window. NWS radar-classified hail is left off — in our cache it never reaches 1.00″, even when the warning text cites quarter or golf-ball hail. Stones above 8" are dropped as bad fields.

30-day gate. Events from the last 30 days show month-only dates and no official quote. Full report text unlocks after that, or immediately in the app.

Week and month cuts use midnight America/Chicago (SPC convention). This week runs Sunday through today.

Informational only — not a substitute for verifying official storm records. Source: NOAA Storm Prediction Center via HailyAPI.

Proudly AI-powered. Honestly sourced. IDOLCheck is built by HailyAI. Every storm event, magnitude, radar snapshot, and date on this page is deterministic — retrieved directly from official NOAA, National Weather Service (NWS), and Storm Prediction Center (SPC) storm records through HailyAPI and displayed exactly as reported. Quoted warning and report text is always attributed to its official source. Where the surrounding copy is not a direct quote, it was generated with AI assistance from that same verified storm data and reviewed and approved by humans before publication. AI organizes and presents the record — it never invents storm data.
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