Right now
The most recent data we hold from NOAA arrived 11 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 24 June 2026 at 01:45 UTC. It is kept here as a record.
It is the 2nd strongest of the 10 detections recorded within 20 km of this point since 24 May 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 23 at 8:16PM CDT until June 23 at 8:45PM CDT by NWS Twin Cities/Chanhassen MN
Nearby, since 24 May 2026
- June 24, 2026 · score 22 · 3.1 km
How we know
Confirmed by 7 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 69 % 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 | 69% |
| Coordinates | 44.5544, -94.7144 |
| Nearest City | Willmar (68 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-24T01:16:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.0ea56c258cd872c4f25a53afcf0b72051bf5637f.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Renville, MN; Sibley, MN |
| Headline | Severe Thunderstorm Warning issued June 23 at 8:16PM CDT until June 23 at 8:45PM CDT by NWS Twin Cities/Chanhassen MN |
| Expires | 2026-06-23T20:45:00-05:00 |
| SenderName | NWS Twin Cities/Chanhassen MN |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 2.5 |
| Iem Unit | Inch |
| Iem City | 6 NNW Cosmos |
| Iem County | Meeker |
| Iem State | MN |
| Iem Wfo | MPX |
| MergedSources | [{"id":"iem_H_45.120_-95.050_1782253800000","source":"iem","severity":"low","severityValue":25,"timestamp":1782253800000,"latitude":45.12,"longitude":-95.05},{"id":"iem_H_44.930_-94.660_1782256200000","source":"iem","severity":"low","severityValue":25,"timestamp":1782256200000,"latitude":44.93,"longitude":-94.66},{"id":"iem_H_44.540_-94.510_1782260280000","source":"iem","severity":"low","severityValue":25,"timestamp":1782260280000,"latitude":44.54,"longitude":-94.51},{"id":"iem_H_44.740_-94.190_1782251100000","source":"iem","severity":"low","severityValue":25,"timestamp":1782251100000,"latitude":44.74,"longitude":-94.19},{"id":"iem_H_45.030_-94.760_1782255600000","source":"iem","severity":"low","severityValue":25,"timestamp":1782255600000,"latitude":45.03,"longitude":-94.76},{"id":"iem_H_45.020_-94.750_1782255720000","source":"iem","severity":"low","severityValue":25,"timestamp":1782255720000,"latitude":45.02,"longitude":-94.75}] |
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.