Right now
The most recent data we hold from NOAA arrived 3 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 29 May 2026 at 01:15 UTC. It is kept here as a record.
It is one of only 3 we have recorded within 20 km of this point since 7 April 2026. The last comparable one was on 7 April 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 28 at 6:45PM MDT until May 28 at 7:15PM MDT by NWS Missoula MT
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 58 % 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 | 58% |
| Coordinates | 46.7282, -115.2394 |
| Nearest City | Missoula (96 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-29T00:45:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.d01d5039c429d53a850747ed29477c39 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Missoula, MT; Clearwater, ID; Latah, ID; Shoshone, ID |
| Headline | Severe Thunderstorm Warning issued May 28 at 6:45PM MDT until May 28 at 7:15PM MDT by NWS Missoula MT |
| Expires | 2026-05-28T19:15:00-06:00 |
| SenderName | NWS Missoula MT |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d01d5039c429d53a850747ed29477c3953994c18.001.1","noaa_urn:oid:2.49.0.1.840.0.2bce9a255a3c3331df85b05c870de26bae92ef80.001.1","noaa_urn:oid:2.49.0.1.840.0.a4b34c2510b48fc486b224be7ea61af6c0d7a9c3.001.1"] |
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.
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