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 17 July 2026 at 00:30 UTC. It is kept here as a record.
No stronger detection stands among the 8 recorded within 20 km of this point since 19 March 2026 — 6 others scored the same. The last comparable one was on 19 March 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 16 at 5:55PM MDT until July 16 at 6:30PM MDT by NWS Great Falls 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 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 | 46.3428, -110.5311 |
| Nearest City | Bozeman (84 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-16T23:55:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.48a193455e565694bdf85e725cdc382a |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Broadwater, MT; Gallatin, MT; Golden Valley, MT; Wheatland, MT; Meagher, MT |
| Headline | Severe Thunderstorm Warning issued July 16 at 5:55PM MDT until July 16 at 6:30PM MDT by NWS Great Falls MT |
| Expires | 2026-07-16T18:30:00-06:00 |
| SenderName | NWS Great Falls MT |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.48a193455e565694bdf85e725cdc382abc4b5546.001.1","noaa_urn:oid:2.49.0.1.840.0.047f674d54d83647dd03ff105cc6b75f1374ff35.001.1","noaa_urn:oid:2.49.0.1.840.0.6754c1d330dcac50885d92c74a82a8100c7f42f8.001.1"] |
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?