Calamity
mediumSevere weatherCalamity Score: 52

Severe weather near Yorkville

KendallUnited StatesNOAA

This alert expired on 25 June 2026 at 01:15 UTC. It is kept here as a record.

It is the 8th strongest of the 97 detections recorded within 20 km of this point since 10 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 24 at 7:33PM CDT until June 24 at 8:15PM CDT by NWS Chicago IL

An estimated 1,668,593 people live within 50 km of this point.

Nearby, since 10 March 2026

How we know

Confirmed by 14 independent sources, including NOAA.

Our own score for this event is 52 out of 100, at 88 % confidence.

The score is ours, computed from intensity, exposed population and local history — not the source’s.

Event Data

TypeSevere weather
Severitymedium
Calamity Score (ours)52 / 100
Our confidence88%
Coordinates41.6506, -88.5210
Nearest CityYorkville (6 km)
Population Exposed1.7M within 50 km
Impact Tiersignificant
Timestamp2026-06-25T00:33:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.97c6e7cc5ced8d7edf461c56155fe641

Score Breakdown

35
intensity
100
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescGrundy, IL; Cook, IL; DuPage, IL; Will, IL; La Salle, IL and 3 more areas
HeadlineSevere Thunderstorm Warning issued June 24 at 7:33PM CDT until June 24 at 8:15PM CDT by NWS Chicago IL
Expires2026-06-24T20:15:00-05:00
SenderNameNWS Chicago IL
HasExactCoordstrue
MergedCount7
MergedIds["noaa_urn:oid:2.49.0.1.840.0.97c6e7cc5ced8d7edf461c56155fe64127992a02.002.1","noaa_urn:oid:2.49.0.1.840.0.e6ccc509746367bf24c8aa4df8277151a47c4829.001.1","noaa_urn:oid:2.49.0.1.840.0.f4d2b857a803c6db7bbcd1b41e586dbb850b49e4.001.1","noaa_urn:oid:2.49.0.1.840.0.17b73f2c72d63844ea122f6f0b5d81200d85ed1c.001.1","noaa_urn:oid:2.49.0.1.840.0.f0dcec01c9e36f7a90e06852e87b00d0740753b8.001.1","noaa_urn:oid:2.49.0.1.840.0.0666f0ee833e652cc3af049edfe3d579c6689d8f.001.1","noaa_urn:oid:2.49.0.1.840.0.76a83aeb0e213667851eacda82a258a1c1dd0175.001.1"]
Iem TypeSummaryG
Iem Magnitude58
Iem UnitMPH
Iem City1 S Hanover Park
Iem CountyDuPage
Iem StateIL
Iem WfoLOT
Iem RemarkPrivate weather station KILHANOVI2 measured a wind gust to 58 mph.
MergedSources[{"id":"iem_E_42.000_-88.140_1782345000000","source":"iem","severity":"low","severityValue":25,"timestamp":1782345000000,"latitude":42,"longitude":-88.14},{"id":"iem_H_42.160_-88.300_1782341640000","source":"iem","severity":"low","severityValue":25,"timestamp":1782341640000,"latitude":42.16,"longitude":-88.3},{"id":"iem_D_41.980_-88.140_1782344400000","source":"iem","severity":"low","severityValue":25,"timestamp":1782344400000,"latitude":41.98,"longitude":-88.14},{"id":"iem_D_42.000_-88.190_1782344160000","source":"iem","severity":"low","severityValue":25,"timestamp":1782344160000,"latitude":42,"longitude":-88.19},{"id":"iem_D_42.000_-88.150_1782344280000","source":"iem","severity":"low","severityValue":25,"timestamp":1782344280000,"latitude":42,"longitude":-88.15},{"id":"iem_G_42.110_-88.280_1782342840000","source":"iem","severity":"low","severityValue":25,"timestamp":1782342840000,"latitude":42.11,"longitude":-88.28},{"id":"iem_H_42.160_-88.340_1782341820000","source":"iem","severity":"low","severityValue":25,"timestamp":1782341820000,"latitude":42.16,"longitude":-88.34},{"id":"iem_H_41.970_-88.850_1782343560000","source":"iem","severity":"low","severityValue":25,"timestamp":1782343560000,"latitude":41.97,"longitude":-88.85},{"id":"iem_D_42.100_-88.280_1782342780000","source":"iem","severity":"low","severityValue":25,"timestamp":1782342780000,"latitude":42.1,"longitude":-88.28},{"id":"iem_H_42.150_-88.270_1782341940000","source":"iem","severity":"low","severityValue":25,"timestamp":1782341940000,"latitude":42.15,"longitude":-88.27},{"id":"iem_E_42.040_-88.290_1782344880000","source":"iem","severity":"low","severityValue":25,"timestamp":1782344880000,"latitude":42.04,"longitude":-88.29},{"id":"iem_H_42.180_-88.390_1782340860000","source":"iem","severity":"low","severityValue":25,"timestamp":1782340860000,"latitude":42.18,"longitude":-88.39},{"id":"iem_G_41.980_-88.150_1782344340000","source":"iem","severity":"low","severityValue":25,"timestamp":1782344340000,"latitude":41.98,"longitude":-88.15}]

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.

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Calamity.live data shows a weather event with CalamityScore 52/100, near Yorkville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.