This alert expired on 10 June 2026 at 21:45 UTC. It is kept here as a record.
It is the 18th strongest of the 45 detections recorded within 20 km of this point since 10 March 2026. 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: Severe Thunderstorm Warning issued June 10 at 4:12PM CDT until June 10 at 4:45PM CDT by NWS Lincoln IL
An estimated 1,312,413 people live within 50 km of this point.
Nearby, since 10 March 2026
- June 25, 2026 · score 52 · 3.0 km
- August 12, 2026 · score 52 · 5.7 km
- July 4, 2026 · score 52 · 11.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 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) | 46 / 100 |
| Our confidence | 80% |
| Coordinates | 41.2870, -87.8886 |
| Nearest City | Bourbonnais (15 km) |
| Population Exposed | 1.3M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-10T21:12:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.7994858c9f848d872d4a90bf12807445 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Champaign, IL; De Witt, IL; McLean, IL; Piatt, IL; Cook, IL; Lake, IN; Porter, IN |
| Headline | Severe Thunderstorm Warning issued June 10 at 4:12PM CDT until June 10 at 4:45PM CDT by NWS Lincoln IL |
| Expires | 2026-06-10T16:45:00-05:00 |
| SenderName | NWS Lincoln IL |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.7994858c9f848d872d4a90bf128074452061b8d5.001.1","noaa_urn:oid:2.49.0.1.840.0.5fe55c0321b839731f07e573a66158bd83a61829.002.1","noaa_urn:oid:2.49.0.1.840.0.a870f6124f7d719c38b6183bb56b5920c5611056.001.1"] |
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 near Bourbonnais?
Calamity.live data shows a weather event with CalamityScore 46/100, near Bourbonnais (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.