This alert expired on 21 June 2026 at 23:30 UTC. It is kept here as a record.
No stronger detection stands among the 160 recorded within 20 km of this point since 16 March 2026 — 10 others scored the same. Another comparable one was recorded here earlier the same day. 15 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 21 at 5:40PM CDT until June 21 at 6:30PM CDT by NWS St Louis MO
Nearby, since 16 March 2026
- July 2, 2026 · score 22 · 4.8 km
- May 19, 2026 · score 22 · 8.3 km
- June 21, 2026 · score 46 · 11.9 km
How we know
Confirmed by 14 independent sources, including NOAA.
Our own score for this event is 46 out of 100, at 69 % 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) | 46 / 100 |
| Our confidence | 69% |
| Coordinates | 38.7764, -88.3834 |
| Nearest City | Mount Vernon (68 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-21T22:40:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.93c593fef671adacb31e6a2ba760cb10 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Marion, IL; Crawford, IL; Lawrence, IL; Clay, IN; Sullivan, IN; Vigo, IN and 6 more areas |
| Headline | Tornado Warning issued June 21 at 5:40PM CDT until June 21 at 6:30PM CDT by NWS St Louis MO |
| Expires | 2026-06-21T18:30:00-05:00 |
| SenderName | NWS St Louis MO |
| HasExactCoords | true |
| MergedCount | 10 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.93c593fef671adacb31e6a2ba760cb107aea7861.001.1","noaa_urn:oid:2.49.0.1.840.0.9abd94b6325c4f086d49db878c4e67541f28b1d1.001.1","noaa_urn:oid:2.49.0.1.840.0.b86a5c7353787288e29c840082b1b93efadb07b0.001.1","noaa_urn:oid:2.49.0.1.840.0.c83959efe7767bf6d862f504f7ec7a0fab1cf7c3.001.1","noaa_urn:oid:2.49.0.1.840.0.ebd147d6b09a3386ffa9c28f54f1c8fecb9f196f.002.1","noaa_urn:oid:2.49.0.1.840.0.ffb33e692c310edcb0a361701e391cb6c3c07014.001.1","noaa_urn:oid:2.49.0.1.840.0.99cb30c0c70af96750fa7704745431061c38edeb.001.1","noaa_urn:oid:2.49.0.1.840.0.ec16833cdbb50d281581951ea5c2332ebc47f3b5.001.1","noaa_urn:oid:2.49.0.1.840.0.35f584790363f67a6daf1fa28e033aa35bcbe499.001.1","noaa_urn:oid:2.49.0.1.840.0.e257fcf207f2a09e99a77bc5c3cd90a60fc6ab85.001.1"] |
| Iem TypeSummary | C |
| Iem City | 3 W Saint Paul |
| Iem County | Fayette |
| Iem State | IL |
| Iem Wfo | LSX |
| Iem Remark | Report of funnel cloud from Fox 2 Storm Runner broadcast. |
| MergedSources | [{"id":"iem_T_38.410_-88.850_1782079860000","source":"iem","severity":"low","severityValue":25,"timestamp":1782079860000,"latitude":38.41,"longitude":-88.85},{"id":"iem_C_38.720_-88.510_1782079380000","source":"iem","severity":"low","severityValue":25,"timestamp":1782079380000,"latitude":38.72,"longitude":-88.51},{"id":"iem_T_38.840_-88.380_1782074820000","source":"iem","severity":"low","severityValue":25,"timestamp":1782074820000,"latitude":38.84,"longitude":-88.38},{"id":"iem_T_38.830_-89.040_1782075180000","source":"iem","severity":"low","severityValue":25,"timestamp":1782075180000,"latitude":38.83,"longitude":-89.04},{"id":"iem_T_38.440_-88.890_1782079740000","source":"iem","severity":"low","severityValue":25,"timestamp":1782079740000,"latitude":38.44,"longitude":-88.89},{"id":"iem_T_38.730_-88.870_1782077880000","source":"iem","severity":"low","severityValue":25,"timestamp":1782077880000,"latitude":38.73,"longitude":-88.87},{"id":"iem_T_38.850_-89.010_1782079860000","source":"iem","severity":"low","severityValue":25,"timestamp":1782079860000,"latitude":38.85,"longitude":-89.01},{"id":"iem_T_38.770_-88.500_1782074040000","source":"iem","severity":"low","severityValue":25,"timestamp":1782074040000,"latitude":38.77,"longitude":-88.5},{"id":"iem_C_38.680_-88.630_1782073200000","source":"iem","severity":"low","severityValue":25,"timestamp":1782073200000,"latitude":38.68,"longitude":-88.63},{"id":"iem_T_38.780_-88.670_1782078060000","source":"iem","severity":"low","severityValue":25,"timestamp":1782078060000,"latitude":38.78,"longitude":-88.67},{"id":"iem_D_38.870_-88.980_1782075660000","source":"iem","severity":"low","severityValue":25,"timestamp":1782075660000,"latitude":38.87,"longitude":-88.98},{"id":"iem_F_38.850_-89.020_1782077700000","source":"iem","severity":"low","severityValue":25,"timestamp":1782077700000,"latitude":38.85,"longitude":-89.02},{"id":"iem_C_38.850_-89.010_1782079860000","source":"iem","severity":"low","severityValue":25,"timestamp":1782079860000,"latitude":38.85,"longitude":-89.01}] |
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 46/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.