Reported by IEM 64 days ago.
It is the 10th strongest of the 115 detections recorded within 20 km of this point since 10 March 2026. Another comparable one was recorded here earlier the same day. 11 more were recorded here in the fortnight before it.
What the source measured
IEM reported: Measured at the Harrison-Dever Crib.
An estimated 7,484,745 people live within 50 km of this point.
Nearby, since 10 March 2026
- August 12, 2026 · score 52 · 0.0 km
- April 16, 2026 · score 52 · 0.0 km
- April 15, 2026 · score 52 · 0.0 km
How we know
Confirmed by 3 independent sources, including IEM.
Our own score for this event is 52 out of 100, at 79 % 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) | 52 / 100 |
| Our confidence | 79% |
| Coordinates | 41.9200, -87.5700 |
| Nearest City | Near North Side (5 km) |
| Population Exposed | 7.5M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-03T04:50:00.000Z |
| Source | https://mesonet.agron.iastate.edu/lsr/ |
Score Breakdown
Technical Details
| TypeSummary | M |
| Magnitude | 45 |
| Unit | MPH |
| City | 3 NE Navy Pier |
| County | LMZ741 |
| State | IL |
| Wfo | LOT |
| Remark | Measured at the Harrison-Dever Crib. |
| Google News RssFeed | weather |
| Google News SourceName | NBC 5 Chicago |
| MergedSources | [{"id":"gnews_weather_495289_192","source":"google_news","severity":"medium","severityValue":40,"timestamp":1783042371000,"latitude":41.85,"longitude":-87.65},{"id":"gnews_weather_495286_222","source":"google_news","severity":"medium","severityValue":40,"timestamp":1783032671000,"latitude":41.85,"longitude":-87.65}] |
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 near Near North Side?
Calamity.live data shows a weather event with CalamityScore 52/100, near Near North Side (United States), based on data from iem. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.