Calamity
MediumSevere WeatherCalamity Score: 34

Severe Weather near Willmar

RenvilleUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 7 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

Nothing else has been detected within 20 km in the last 24 hours.

This alert expired on 7 August 2026 at 12:45 UTC. It is kept here as a record.

No stronger detection stands among the 7 recorded within 20 km of this point since 15 March 2026 — 4 others scored the same. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued August 7 at 7:23AM CDT until August 7 at 7:45AM CDT by NWS Twin Cities/Chanhassen MN

An estimated 19,638 people live within 50 km of this point.

Nearby, since 15 March 2026

How we know

One source: NOAA. Not yet confirmed by a second, independent source.

Our own score for this event is 34 out of 100, at 81 % 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

TypeSevere Weather
SeverityMedium
Calamity Score (ours)34 / 100
Our confidence81%
Coordinates44.8775, -95.2212
Nearest CityWillmar (30 km)
Population Exposed19.6K within 50 km
Impact Tiersignificant
Timestamp2026-08-07T12:23:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.19071ec4c81d43e75df2668dcd2c1fb7c20467e7.002.1

Score Breakdown

35
intensity
40
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescKandiyohi, MN; Renville, MN
HeadlineSevere Thunderstorm Warning issued August 7 at 7:23AM CDT until August 7 at 7:45AM CDT by NWS Twin Cities/Chanhassen MN
Expires2026-08-07T07:45:00-05:00
SenderNameNWS Twin Cities/Chanhassen MN
HasExactCoordstrue

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 Willmar?

Share:XLinkedIn

Calamity.live data shows a weather event with CalamityScore 34/100, near Willmar (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.