Right now
The most recent data we hold from NOAA arrived 5 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 26 June 2026 at 23:30 UTC. It is kept here as a record.
It is the 3rd strongest of the 22 detections recorded within 20 km of this point since 5 May 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 26 at 5:20PM MDT until June 26 at 5:30PM MDT by NWS Cheyenne WY
Nearby, since 5 May 2026
- June 2, 2026 · score 46 · 11.3 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 56 % 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 | 56% |
| Coordinates | 42.8023, -105.1187 |
| Nearest City | Casper (97 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-26T23:20:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.3f52a9168f593929621fa4235c6ef76d |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Banner, NE; Scotts Bluff, NE; Converse, WY; Niobrara, WY; Weld, CO and 2 more areas |
| Headline | Severe Thunderstorm Warning issued June 26 at 5:20PM MDT until June 26 at 5:30PM MDT by NWS Cheyenne WY |
| Expires | 2026-06-26T17:30:00-06:00 |
| SenderName | NWS Cheyenne WY |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3f52a9168f593929621fa4235c6ef76d9186adbd.001.1","noaa_urn:oid:2.49.0.1.840.0.65698b8023e6618dfb3457ee1d1aeeeda9e18bc3.001.1","noaa_urn:oid:2.49.0.1.840.0.412f23f384edc8bbdda89e9085e083e1225e843a.001.1","noaa_urn:oid:2.49.0.1.840.0.c4ec4aafcd252bf202d71818c590b18a596d30c5.001.1","noaa_urn:oid:2.49.0.1.840.0.dba67ec546a7146b88f51f4725e1c08495de8cc5.001.1"] |
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 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?