This alert expired on 11 June 2026 at 05:45 UTC. It is kept here as a record.
It is the 163rd strongest of the 380 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 11 at 12:21AM CDT until June 11 at 12:45AM CDT by NWS Lincoln IL
An estimated 240,970 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 20, 2026 · score 43 · 5.7 km
- March 15, 2026 · score 67 · 7.3 km
- June 20, 2026 · score 43 · 8.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 81% |
| Coordinates | 39.8587, -88.3827 |
| Nearest City | Champaign (31 km) |
| Population Exposed | 241.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-11T05:21:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.f49f7b30624b57778c521a7797a7ad7b |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Champaign, IL; Piatt, IL; Champaign, IL; Douglas, IL; Moultrie, IL; Piatt, IL; Christian, IL; Cumberland, IL; Macon, IL; Moultrie, IL; Piatt, IL; Shelby, IL |
| Headline | Severe Thunderstorm Warning issued June 11 at 12:21AM CDT until June 11 at 12:45AM CDT by NWS Lincoln IL |
| Expires | 2026-06-11T00:45:00-05:00 |
| SenderName | NWS Lincoln IL |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.f49f7b30624b57778c521a7797a7ad7b72368232.002.1","noaa_urn:oid:2.49.0.1.840.0.ae8fadedddea8f4c802f828a75105d1b85bdf43d.001.1","noaa_urn:oid:2.49.0.1.840.0.43ce5b74b328dbaa635eb8da172fff6141211dae.002.1"] |
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 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 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.