This alert expired on 11 March 2026 at 00:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 27 detections recorded within 20 km of this point since 10 March 2026.
What the source measured
NOAA reported: Tornado Warning issued March 10 at 6:16PM CDT until March 10 at 7:00PM CDT by NWS Chicago IL
An estimated 195,878 people live within 50 km of this point.
Nearby, since 10 March 2026
- June 11, 2026 · score 67 · 5.5 km
- June 12, 2026 · score 72 · 9.4 km
- June 12, 2026 · score 67 · 18.5 km
How we know
Confirmed by 12 independent sources, including NOAA.
Our own score for this event is 67 out of 100, at 88 % 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 | Critical |
| Calamity Score (ours) | 67 / 100 |
| Our confidence | 88% |
| Coordinates | 41.0700, -87.7150 |
| Nearest City | Kankakee (13 km) |
| Population Exposed | 195.9K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-03-10T23:16:00.000Z |
| Source | https://api.weather.gov/alerts/urn-oid-2_49_0_1_840_0_cb5c6991de97b3293ee4841b8b51ff51e49c7e96_001_1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Kankakee, IL |
| Headline | Tornado Warning issued March 10 at 6:16PM CDT until March 10 at 7:00PM CDT by NWS Chicago IL |
| Expires | 2026-03-10T19:00:00-05:00 |
| SenderName | NWS Chicago IL |
| HasExactCoords | true |
| Spc ReportType | hail |
| Spc Speed | 200 |
| Spc Location | 1 SE Bonfield |
| Spc County | Kankakee |
| Spc State | IL |
| Spc Comments | Relayed via amateur radio. (LOT) |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 2 W Herscher |
| Iem County | Kankakee |
| Iem State | IL |
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 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 Kankakee?
Calamity.live data shows a weather event with CalamityScore 67/100, near Kankakee (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.