Right now
The most recent data we hold from NOAA arrived 6 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 07:00 UTC. It is kept here as a record.
No stronger detection stands among the 21 recorded within 20 km of this point since 13 March 2026 — 12 others scored the same. The last comparable one was on 28 May 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Watch issued May 28 at 9:33PM MDT until May 29 at 1:00AM MDT by NWS Missoula MT
Nearby, since 13 March 2026
- May 29, 2026 · score 22 · 0.0 km
- May 14, 2026 · score 22 · 0.0 km
- May 13, 2026 · score 22 · 0.0 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 | 44.2000, -114.4000 |
| Nearest City | Boise (158 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-29T03:33:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Watch_noaa_urn:oid:2.49.0.1.840.0.85ffc359f5f2f984f143ea018e2a0d1b |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Clearwater, ID; Flathead, MT; Lake, MT; Lincoln, MT; Mineral, MT; Missoula, MT; Powell, MT; Sanders, MT; Benewah, ID; Bonner, ID; Boundary, ID; Kootenai, ID; Latah, ID; Lewis, ID; Nez Perce, ID; Shoshone, ID; Adams, WA; Asotin, WA; Chelan, WA; Douglas, WA; Ferry, WA; Garfield, WA; Grant, WA; Lincoln, WA; Okanogan, WA; Pend Oreille, WA; Spokane, WA; Stevens, WA; Whitman, WA |
| Headline | Severe Thunderstorm Watch issued May 28 at 9:33PM MDT until May 29 at 1:00AM MDT by NWS Missoula MT |
| Expires | 2026-05-29T01:00:00-06:00 |
| SenderName | NWS Missoula MT |
| HasExactCoords | false |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.85ffc359f5f2f984f143ea018e2a0d1b8b173d2f.002.1","noaa_urn:oid:2.49.0.1.840.0.c54695ae0322632b5e9a83e1bc23283400f1c9e4.001.1"] |
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?