Right now
The most recent data we hold from NOAA arrived 4 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 30 May 2026 at 18:00 UTC. It is kept here as a record.
No stronger detection stands among the 19 recorded within 20 km of this point since 1 April 2026 — 5 others scored the same. The last comparable one was on 28 May 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Watch issued May 29 at 10:57AM MDT until June 5 at 1:00AM MDT by NWS Missoula MT
An estimated 71,022 people live within 50 km of this point.
Nearby, since 1 April 2026
- June 1, 2026 · score 39 · 0.0 km
- July 24, 2026 · score 39 · 17.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 80 % 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) | 39 / 100 |
| Our confidence | 80% |
| Coordinates | 46.8810, -113.9680 |
| Nearest City | Missoula (2 km) |
| Population Exposed | 71.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-01T02:51:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.78dcf62fccc32c8aeaede8ef8bab1ede8bad26f3.001.1 |
Score Breakdown
Technical Details
| Event | Flood Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Missoula, MT |
| Headline | Flood Watch issued May 29 at 10:57AM MDT until June 5 at 1:00AM MDT by NWS Missoula MT |
| Expires | 2026-05-30T12:00:00-06:00 |
| SenderName | NWS Missoula MT |
| HasExactCoords | true |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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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