This alert expired on 10 June 2026 at 19:15 UTC. It is kept here as a record.
It is the 11th strongest of the 23 detections recorded within 20 km of this point since 16 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 10 at 1:19PM CDT until June 10 at 2:15PM CDT by NWS Chicago IL
Nearby, since 16 March 2026
- June 24, 2026 · score 63 · 6.9 km
- June 24, 2026 · score 63 · 9.4 km
- May 16, 2026 · score 58 · 9.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 61 % 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) | 22 / 100 |
| Our confidence | 61% |
| Coordinates | 42.6216, -90.0590 |
| Nearest City | Freeport (51 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-10T18:19:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.a70d482365915a5d8525de3d65a7284a |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Ogle, IL; Grant, WI; Carroll, IL; Jo Daviess, IL; Stephenson, IL and 5 more areas |
| Headline | Severe Thunderstorm Warning issued June 10 at 1:19PM CDT until June 10 at 2:15PM CDT by NWS Chicago IL |
| Expires | 2026-06-10T14:15:00-05:00 |
| SenderName | NWS Chicago IL |
| HasExactCoords | true |
| MergedCount | 9 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a70d482365915a5d8525de3d65a7284a5e34fa78.001.1","noaa_urn:oid:2.49.0.1.840.0.d10c682801878b2fc891d6055f5d5131b89c3d5c.002.1","noaa_urn:oid:2.49.0.1.840.0.e7ed7d113e28dab7c46305944b0d778f08f80bbe.002.1","noaa_urn:oid:2.49.0.1.840.0.e12c7eb71bcd218201bfd82456d06b17909d2314.001.1","noaa_urn:oid:2.49.0.1.840.0.22df6611dd8c78a9fa8ddb162c056a57a80fba64.002.1","noaa_urn:oid:2.49.0.1.840.0.a4654d2cfe962790ea4ed0567feb96536c87e907.001.1","noaa_urn:oid:2.49.0.1.840.0.e14bb6f73aa4a1a6ce3fa9796736ea8d993d0cc1.001.1","noaa_urn:oid:2.49.0.1.840.0.ab0f878818105062a027e53e0d72f68bf0111f22.001.1","noaa_urn:oid:2.49.0.1.840.0.5860917d1e3aa7da4c27ec7c35f1da69a0e09c78.001.1"] |
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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.