This alert expired on 10 June 2026 at 20:30 UTC. It is kept here as a record.
It is the 6th strongest of the 42 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 3:07PM CDT until June 10 at 3:30PM CDT by NWS Milwaukee/Sullivan WI
An estimated 460,659 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 10, 2026 · score 43 · 7.6 km
- May 16, 2026 · score 43 · 11.0 km
- July 2, 2026 · score 43 · 18.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 80 % 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) | 43 / 100 |
| Our confidence | 80% |
| Coordinates | 42.8085, -89.1761 |
| Nearest City | Janesville (19 km) |
| Population Exposed | 460.7K within 50 km |
| Impact Tier | significant |
| Date | 2026-06-10 — time not reported by the source |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.8140b8dc02b40079ec39d641586e263f |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Dodge, WI; Fond du Lac, WI; Green Lake, WI; Washington, WI; Clark, WI; Jackson, WI; Taylor, WI; Kane, IL; Kendall, IL; McHenry, IL and 14 more areas |
| Headline | Severe Thunderstorm Warning issued June 10 at 3:07PM CDT until June 10 at 3:30PM CDT by NWS Milwaukee/Sullivan WI |
| Expires | 2026-06-10T15:30:00-05:00 |
| SenderName | NWS Milwaukee/Sullivan WI |
| HasExactCoords | true |
| MergedCount | 17 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8140b8dc02b40079ec39d641586e263f25c1c4b7.002.1","noaa_urn:oid:2.49.0.1.840.0.e0cd5d0330db2ad91c2a1df668ee7b57657f722d.001.1","noaa_urn:oid:2.49.0.1.840.0.0ccf073f31cd398ce9cd2d225b306c766059cc0c.001.1","noaa_urn:oid:2.49.0.1.840.0.f2eddacaeec8b1b76a600ac5965f752ff46cd25b.001.1","noaa_urn:oid:2.49.0.1.840.0.b3966a8878598b3269cb3e6c1c240be0e7d3a00f.001.1","noaa_urn:oid:2.49.0.1.840.0.40199154494afc8292005e2dc1ad2db380b2f28a.001.1","noaa_urn:oid:2.49.0.1.840.0.6ba01552dea7f2ff54c4caff52fdf418916fb073.001.1","noaa_urn:oid:2.49.0.1.840.0.55b37acfd7a4ece53ab6c57bfcaabf707b90a6b2.001.1","noaa_urn:oid:2.49.0.1.840.0.668427a8607a2739b9c1208745d5729801cdc34d.001.1","noaa_urn:oid:2.49.0.1.840.0.719495088e321a23cf5e22ab562325a297bc7eec.001.1","noaa_urn:oid:2.49.0.1.840.0.636282eda2a7180872febe71f7d767d077efb877.002.1","noaa_urn:oid:2.49.0.1.840.0.ec3d9cb7c1c16a25ac360cbdc19defb4831fcbcc.001.1","noaa_urn:oid:2.49.0.1.840.0.b7161f3c87185073684b1c5f22c2ff8a05231f6f.001.1","noaa_urn:oid:2.49.0.1.840.0.52c5914dc04fdb415adb390c14c49e539a48136e.001.1","noaa_urn:oid:2.49.0.1.840.0.99b8ec0ef6bb411c1ffaad13b3731a2ad7e1b674.001.1","noaa_urn:oid:2.49.0.1.840.0.9cb439d3f8457c37414ebcdd493e11a47995ed4d.001.1","noaa_urn:oid:2.49.0.1.840.0.7a2d5da1db840dba3cecffb99eb187497b6405ad.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 near Janesville?
Calamity.live data shows a weather event with CalamityScore 43/100, near Janesville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.