This alert expired on 10 March 2026 at 22:35 UTC. It is kept here as a record.
No stronger detection stands among the 47 recorded within 20 km of this point since 10 March 2026 — 6 others scored the same.
What the source measured
NOAA reported: Tornado Warning issued March 10 at 5:26PM CDT until March 10 at 5:30PM CDT by NWS Chicago IL
An estimated 60,862 people live within 50 km of this point.
Nearby, since 10 March 2026
- August 10, 2026 · score 63 · 4.2 km
- July 4, 2026 · score 63 · 13.2 km
- June 11, 2026 · score 46 · 13.9 km
How we know
Confirmed by 12 independent sources, including NOAA.
Our own score for this event is 63 out of 100, at 89 % 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 | 89% |
| Coordinates | 40.9640, -88.3980 |
| Nearest City | Bourbonnais (47 km) |
| Population Exposed | 60.9K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-03-10T22:26:00.000Z |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Livingston, IL |
| Headline | Tornado Warning issued March 10 at 5:26PM CDT until March 10 at 5:30PM CDT by NWS Chicago IL |
| Expires | 2026-03-10T17:35:00-05:00 |
| SenderName | NWS Chicago IL |
| HasExactCoords | true |
| Spc ReportType | hail |
| Spc Speed | 400 |
| Spc Location | 5 N Pontiac |
| Spc County | Livingston |
| Spc State | IL |
| Spc Comments | Report from mPING: Grapefruit (4.00 in.). (LOT) |
| Iem TypeSummary | H |
| Iem Magnitude | 1.75 |
| Iem Unit | Inch |
| Iem City | 3 SW Odell |
| Iem County | Livingston |
| 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 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.
Calamity.live data shows a weather event with CalamityScore 63/100, near Bourbonnais (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.