Right now
The most recent data we hold from SPC arrived 7 minutes ago, and this point is in it.
17 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
Reported by SPC today.
No stronger detection stands among the 32 recorded within 20 km of this point since 14 May 2026 — 12 others scored the same. Another comparable one was recorded here earlier the same day. 14 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Hail 125 in near 4.8 SW Herman, Grant, MN. (FGF)
Nearby, since 14 May 2026
- September 12, 2026 · score 28 · 9.2 km
- September 11, 2026 · score 28 · 22.9 km
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 28 out of 100, at 58 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | High |
| Calamity Score (ours) | 28 / 100 |
| Our confidence | 58% |
| Coordinates | 45.7600, -96.2100 |
| Nearest City | Willmar (116 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-12T03:30:23.571Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | hail |
| Speed | 125 |
| Location | 4.8 SW Herman |
| County | Grant |
| State | MN |
| Comments | (FGF) |
| Iem TypeSummary | H |
| Iem Magnitude | 1.25 |
| Iem Unit | Inch |
| Iem City | 4.8 SW Herman |
| Iem County | Grant |
| Iem State | MN |
| Iem Wfo | FGF |
| MergedSources | [{"id":"iem_H_45.760_-96.210_1789169880000","source":"iem","severity":"low","severityValue":25,"timestamp":1789169880000,"latitude":45.76,"longitude":-96.21}] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
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