Right now
The most recent data we hold from NOAA arrived 6 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 18 May 2026 at 15:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 59 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 May 18 at 9:24AM CDT until May 18 at 10:00AM CDT by NWS Lincoln IL
An estimated 278,639 people live within 50 km of this point.
Nearby, since 10 March 2026
- May 18, 2026 · score 43 · 1.0 km
- July 9, 2026 · score 43 · 7.9 km
- March 10, 2026 · score 43 · 13.5 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 91 % 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) | 43 / 100 |
| Our confidence | 91% |
| Coordinates | 40.8563, -89.0375 |
| Nearest City | Washington (36 km) |
| Population Exposed | 278.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-18T14:24:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.c040bb75250c125fd647f53285aa694362dec164.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | McLean, IL; Marshall, IL; Woodford, IL |
| Headline | Severe Thunderstorm Warning issued May 18 at 9:24AM CDT until May 18 at 10:00AM CDT by NWS Lincoln IL |
| Expires | 2026-05-18T10:00:00-05:00 |
| SenderName | NWS Lincoln IL |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 4 SSW Kingston Mines |
| Iem County | Tazewell |
| Iem State | IL |
| Iem Wfo | ILX |
| Iem Remark | Power pole down across the road near Spring Lake. |
| MergedSources | [{"id":"iem_D_40.510_-89.790_1779110760000","source":"iem","severity":"low","severityValue":25,"timestamp":1779110760000,"latitude":40.51,"longitude":-89.79},{"id":"iem_D_40.510_-89.790_1779110580000","source":"iem","severity":"low","severityValue":25,"timestamp":1779110580000,"latitude":40.51,"longitude":-89.79}] |
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?
Calamity.live data shows a weather event with CalamityScore 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.