This alert expired on 2 July 2026 at 23:00 UTC. It is kept here as a record.
No stronger detection stands among the 36 recorded within 20 km of this point since 12 March 2026 — 15 others scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 2 at 3:54PM MDT until July 2 at 5:00PM MDT by NWS Rapid City SD
Nearby, since 12 March 2026
- July 9, 2026 · score 22 · 5.2 km
- August 30, 2026 · score 22 · 19.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 59 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 59% |
| Coordinates | 44.7825, -104.2691 |
| Nearest City | Gillette (112 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-02T21:54:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Butte, SD; Meade, SD; Powder River, MT |
| Headline | Severe Thunderstorm Warning issued July 2 at 3:54PM MDT until July 2 at 5:00PM MDT by NWS Rapid City SD |
| Expires | 2026-07-02T17:00:00-06:00 |
| SenderName | NWS Rapid City SD |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.621e4d42ea5f557d927bc664a0eba0f446e768f2.001.1","noaa_urn:oid:2.49.0.1.840.0.b15fe1594ac20f16915a8e16df2f8ff56e319f73.001.1","noaa_urn:oid:2.49.0.1.840.0.ace2909bc1fe9cb5ebb488127a52e209524d1929.001.1"] |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 22/100, near Gillette (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.