Right now
The most recent data we hold from NOAA arrived 25 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 May 2026 at 00:52 UTC. It is kept here as a record.
It is one of only 4 we have recorded within 20 km of this point since 26 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 May 25 at 6:43PM MDT until May 25 at 6:45PM MDT by NWS Boise ID
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 70 % 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 | 70% |
| Coordinates | 45.1093, -116.1207 |
| Nearest City | Lewiston Orchards (156 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-26T00:43:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f39e31fe5797408893b20bb20289dfb4e0dad0a4.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Adams, ID; Valley, ID |
| Headline | Severe Thunderstorm Warning issued May 25 at 6:43PM MDT until May 25 at 6:45PM MDT by NWS Boise ID |
| Expires | 2026-05-25T18:52:00-06:00 |
| SenderName | NWS Boise ID |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 60 |
| Iem Unit | MPH |
| Iem City | 3 SSW Cascade |
| Iem County | Valley |
| Iem State | ID |
| Iem Wfo | BOI |
| Iem Remark | Idaho Power site W3T2. |
| MergedSources | [{"id":"iem_G_44.790_-116.030_1779753480000","source":"iem","severity":"low","severityValue":25,"timestamp":1779753480000,"latitude":44.79,"longitude":-116.03},{"id":"iem_G_44.470_-116.060_1779752700000","source":"iem","severity":"low","severityValue":25,"timestamp":1779752700000,"latitude":44.47,"longitude":-116.06}] |
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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