This alert expired on 24 June 2026 at 20:45 UTC. It is kept here as a record.
No stronger detection stands among the 33 recorded within 20 km of this point since 16 March 2026 — one other scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 24 at 3:07PM CDT until June 24 at 3:45PM CDT by NWS Milwaukee/Sullivan WI
An estimated 58,799 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 24, 2026 · score 63 · 5.9 km
- June 10, 2026 · score 22 · 9.4 km
- June 10, 2026 · score 39 · 14.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 63 out of 100, at 79 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 63 / 100 |
| Our confidence | 79% |
| Coordinates | 42.5650, -90.1450 |
| Nearest City | Dubuque (43 km) |
| Population Exposed | 58.8K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-06-24T20:07:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.9b6a6b163763a99c9e1f458d303916a82e44bdd4.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lafayette, WI |
| Headline | Tornado Warning issued June 24 at 3:07PM CDT until June 24 at 3:45PM CDT by NWS Milwaukee/Sullivan WI |
| Expires | 2026-06-24T15:45:00-05:00 |
| SenderName | NWS Milwaukee/Sullivan WI |
| HasExactCoords | true |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
Series begins 10 February 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?
Calamity.live data shows a weather event with CalamityScore 63/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.