Hail on September 17, 2026: where it hit
The archived NWS Local Storm Reports for September 17, 2026 hold 8 hail reports across 2 states. The largest reported size, 1.25 inches, was logged 2 times (Blaine County, Idaho; Bingham County, Idaho). Idaho logged the most reports (7). Report sizes are as people reported them; radar sizes are NOAA estimates.
Largest reported stones on September 17, 2026
The 5 largest of 8 reports with a measured size. 2 reports share the top size of 1.25 inches. Report times are not kept in the archived file, so none are shown.
| Size | County | State | Lat, Lon |
|---|---|---|---|
| 1.25″ | Blaine County | Idaho | 43.35, -114.18 |
| 1.25″ | Bingham County | Idaho | 43.25, -112.27 |
| 1.00″ | Bingham County | Idaho | 43.20, -112.37 |
| 1.00″ | St. Charles County | Missouri | 38.84, -90.74 |
| 0.88″ | Blaine County | Idaho | 43.35, -114.18 |
Counties with the most hail reports
All 5 counties with at least one report; ties are listed by state, then name.
| County | State | Reports | Largest |
|---|---|---|---|
| Bannock County | Idaho | 2 | 0.50″ |
| Bingham County | Idaho | 2 | 1.25″ |
| Blaine County | Idaho | 2 | 1.25″ |
| Power County | Idaho | 1 | 0.75″ |
| St. Charles County | Missouri | 1 | 1.00″ |
States with the most hail reports
All 2 states with reports.
- Idaho: 7 reports
- Missouri: 1 report
Check any address against this storm on the hail map →
Questions about the September 17, 2026 hail
How big was the hail on September 17, 2026?
The largest reported stone on September 17, 2026 was 1.25 inches, among 8 reports nationwide. NOAA MRMS MESH radar also estimated the swath footprint.
Where did it hail on September 17, 2026?
Reports by state: Idaho (7), Missouri (1). Counties with the most reports: Bannock County, ID (2), Bingham County, ID (2), Blaine County, ID (2).
Did the September 17, 2026 hail hit my address?
Use the hail map's address search: it lists every dated report within 25 miles of any US address and, for days in the radar archive, tests your exact point against the estimated swath, then prints a sourced report you can keep.
How these figures are built
Reports are NWS Local Storm Reports of hail, pulled from the Iowa Environmental Mesonet archive. This page reads data/hail/events-2026.json (pulled 2026-10-01). Local Storm Reports are preliminary and unverified: sizes are what spotters, the public and emergency managers reported, and NOAA NCEI's Storm Data, published months later, is the verified record. A report with no size counts toward the total but not toward the size figures. Severe size means 1 inch or larger, the National Weather Service threshold. Crops can be hurt by smaller hail, especially with wind, and the loss depends on growth stage: the corn growing point stays below ground until about V6, and leaf loss near tasseling costs the most yield. State is the state named on the report. County is not carried in the archived file; it is assigned here by placing each report's coordinates (rounded to about 1 km) inside US Census cartographic county boundaries, so a report near a county line can land in the neighboring county. Radar figures are NOAA MRMS MESH, a radar estimate of maximum hail size, not a measurement.
Method: one day of hail reports, counted and ranked as filed; county placed by coordinates; severe means 1″ or larger (NWS) · Sources: NWS Local Storm Reports via the Iowa Environmental Mesonet, NOAA MRMS MESH, US Census county boundaries, Assessing Hail Damage to Corn (NCH-1) · Reviewed by Sigurd Lindquist, Certified Crop Adviser (CCA)