This alert expired on 4 July 2026 at 02:45 UTC. It is kept here as a record.
No stronger detection stands among the 5 recorded within 20 km of this point since 8 April 2026 — 2 others scored the same. The last comparable one was on 28 June 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 3 at 7:39PM MDT until July 3 at 8:45PM MDT by NWS Glasgow MT
Nearby, since 8 April 2026
- May 31, 2026 · score 22 · 20.4 km
- August 13, 2026 · score 22 · 22.4 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 60 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 60% |
| Coordinates | 46.6721, -105.3650 |
| Nearest City | Dickinson (197 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-04T01:39:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.ed0c12aaa5033245640d545e78e06547ee7e9c48.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Prairie, MT |
| Headline | Severe Thunderstorm Warning issued July 3 at 7:39PM MDT until July 3 at 8:45PM MDT by NWS Glasgow MT |
| Expires | 2026-07-03T20:45:00-06:00 |
| SenderName | NWS Glasgow MT |
| HasExactCoords | true |
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.