Right now
The most recent data we hold from IEM arrived 14 minutes ago, and this point is in it.
Nothing else has been detected within 20 km in the last 24 hours.
Reported by IEM today.
It is the 75th strongest of the 87 detections recorded within 20 km of this point since 26 March 2026. The last comparable one was on 27 August 2026.
What the source measured
IEM reported: 24-hour rainfall total as of 10 AM CDT.
Nearby, since 26 March 2026
- May 18, 2026 · score 52 · 8.9 km
- August 11, 2026 · score 52 · 10.6 km
- June 9, 2026 · score 52 · 15.0 km
How we know
One source: IEM. Not yet confirmed by a second, independent source.
Our own score for this event is 9 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Low |
| Calamity Score (ours) | 9 / 100 |
| Legacy data-support index | 0.40/1 |
| Coordinates | 41.3600, -87.4400 |
| Timestamp | 2026-09-20T15:12:00.000Z |
| Source | https://mesonet.agron.iastate.edu/lsr/ |
Physical priority index · v5. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: iem. Occurrence: 2026-09-20T15:12:00.000Z.
First archived: 2026-09-20T17:49:24.876Z. Material modification: 2026-09-20T19:21:35.416Z.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-20T22:54:19.243Z · data_change
Index 9 → 9; severity low → low; version 5 → 5.
2026-09-20T20:43:17.363Z · data_change
Index 9 → 9; severity low → low; version 5 → 5.
2026-09-20T19:59:43.708Z · data_change
Index 9 → 9; severity low → low; version 5 → 5.
2026-09-20T19:54:18.265Z · data_change
Index 9 → 9; severity low → low; version 5 → 5.
2026-09-20T19:21:35.416Z · data_change
Index 46 → 9; severity medium → low; version 5 → 5.
2026-09-20T19:05:18.571Z · data_change
Index 46 → 46; severity medium → medium; version 5 → 5.
2026-09-20T18:49:08.323Z · data_change
Index 46 → 46; severity medium → medium; version 5 → 5.
2026-09-20T18:33:04.252Z · data_change
Index 46 → 46; severity medium → medium; version 5 → 5.
2026-09-20T18:22:15.108Z · data_change
Index 46 → 46; severity medium → medium; version 5 → 5.
Score Breakdown
Technical Details
| TypeSummary | R |
| Magnitude | 2 |
| Unit | Inch |
| City | Cedar Lake |
| County | Lake |
| State | IN |
| Wfo | LOT |
| Remark | 24-hour rainfall total as of 10 AM CDT. |
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.
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