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The public record for one day, one state

What happened in Wisconsin on August 2, 2015: hail and wind on record

The public federal storm record holds 311 hail reports and 55 wind reports for August 2, 2015 filed under Wisconsin. The largest hail measured by a person or an instrument is 4.00″, OCONTO, WI. The strongest measured wind is 75 mph. The day's hail was carried by 3 independent sources.

366

Reports on record, hail, wind and tornado

311

Hail reports, all sources

4.00in

Largest hail measured on the ground

3

Independent sources carrying the hail

Where it fell

The counties the day's reports were filed under in Wisconsin, busiest first, as the source filed them. The size beside each is the largest hail filed there.

  1. SAWYER 3.00″
    • 32 hail
  2. WASHINGTON 2.50″
    • 22 hail
  3. MILWAUKEE 3.00″
    • 17 hail
    • 2 wind
  4. FOND DU LAC 2.00″
    • 16 hail
  5. RACINE 2.75″
    • 11 hail
    • 5 wind
  6. WAUKESHA 3.75″
    • 11 hail
    • 2 wind
  7. ONEIDA 1.00″
    • 12 hail
  8. PRICE 2.00″
    • 12 hail
  9. OCONTO 4.00″
    • 10 hail
  10. PORTAGE 1.75″
    • 6 hail
    • 3 wind
  11. KENOSHA 1.00″
    • 2 hail
    • 6 wind
  12. DOOR Not sized
    • 7 wind

Places in the footprint

Every place in Wisconsin with a hail report of the day within 10 miles of its centre, by reports. Each links to the place's own hail history; the busiest 40 are listed.

  1. Franklin 40 reports 3.00″
  2. Hales Corners 31 reports 3.00″
  3. Greenfield 28 reports 3.00″
  4. Greendale 28 reports 3.00″
  5. Slinger 27 reports 2.50″
  6. New Berlin 25 reports 3.00″
  7. Muskego 25 reports 3.00″
  8. Vernon 25 reports 3.75″
  9. West Allis 24 reports 3.00″
  10. Oak Creek 24 reports 3.00″
  11. West Bend 24 reports 2.50″
  12. Cudahy 24 reports 3.00″
28 more places in the footprint
  1. St. Francis 22 reports 3.00″
  2. South Milwaukee 21 reports 3.00″
  3. Jackson 21 reports 2.50″
  4. Milwaukee 20 reports 1.25″
  5. Wauwatosa 19 reports 1.25″
  6. Elm Grove 19 reports 1.25″
  7. Mukwonago 18 reports 3.75″
  8. Fond du Lac 17 reports 2.00″
  9. Waterford 16 reports 2.75″
  10. Shorewood 15 reports 1.00″
  11. Cedarburg 15 reports 1.75″
  12. Richfield 15 reports 1.75″
  13. North Fond du Lac 15 reports 1.75″
  14. Whitefish Bay 14 reports 1.00″
  15. Glendale 14 reports 1.00″
  16. Suamico 13 reports 4.00″
  17. Brookfield 12 reports 1.25″
  18. Caledonia 12 reports 3.00″
  19. Hartford 12 reports 1.75″
  20. Grafton 12 reports 1.75″
  21. Mount Pleasant 10 reports 1.00″
  22. Mequon 10 reports 1.00″
  23. Germantown 10 reports 1.00″
  24. Brown Deer 10 reports 1.00″
  25. Somers 10 reports 1.00″
  26. Sturtevant 10 reports 1.00″
  27. Waukesha 9 reports 2.00″
  28. Berlin 9 reports 1.75″

By kind of evidence

A day carried by a ground observation, a radar detection and a warning is attested three independent ways. A day carried by one kind from one source is one report. Each report below keeps its own source.

By kind of evidence: the kinds of evidence on record for the day, the number of independent sources of each, and the reports each contributed.
Evidence Sources Reports
Ground observation ×3 366

Largest hail reports on the day

Measured Detected, not measured

Largest hail reports on the day: time, hail size, evidence and where the report was taken.
Time (UTC) Size Evidence County
19:32 4.00″ Ground observation OCONTO
19:24 4.00″ Ground observation OCONTO
19:32 4.00″ Ground observation Not stated
19:24 4.00″ Ground observation Not stated
01:02 3.75″ Ground observation WAUKESHA
01:02 3.75″ Ground observation Not stated
01:02 3.00″ Ground observation WAUKESHA
01:25 3.00″ Ground observation MILWAUKEE

Neighbouring days

The nearest days either side with anything on record in Wisconsin, the same date in other years, and the hail history the day belongs to.

Previous day with records
August 1, 2015
Next day with records
August 9, 2015
This day in other years
Hail history and data
The next step

The day is on record. The report is that record at an address.

Everything above is the record for the day: enough to know there was a storm, where it was reported and how large. None of it says what reached one roof.

Run the address and the same archive is searched at the property: each report's distance and bearing from the roof, the measured size, the sources by name, and the federal record each figure came from, in a document that states its own method. Ready in minutes.

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The next day of record

A storm day that enters the record in Wisconsin can be sent within hours of its page: the date, how many independent sources carried it, and the link to the day.

Storm alerts

The next day like this one, sent for Wisconsin.

A territory is a set of states, or up to 5 places with 30 miles around each. An alert names the largest hail measured and the largest detected, kept apart; a weekly digest lists the last 7 days every Monday. Nothing is sent until a confirmation link is opened.

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How this page is made

What counted
Every hail report in the archive filed on August 2, 2015 under Wisconsin, with wind and tornado reports counted beside it and the places ranked by the hail reports within 10 miles of each centre. A hail day is a calendar date with at least one report: four sources describing one storm are one afternoon of hail, not four.
Measured and detected
A report from a person or an instrument is measured. A radar-derived size is a detection and is marked as one, here and in every document we issue. The two are never added together.
Severe
A day counts as severe when its largest report reached 1.00″, the National Weather Service criterion. Smaller hail is still on the record, and still on this page.
What this is not
Reports are counted as the sources filed them, so a storm four sources describe is four reports on this page and one afternoon of hail on a place page. This page is the record for a day; it is not a report on any property, and it states no opinion about one.
Terms used on this page
Storm day, independent source, measured and detected: each term this page uses is defined in the glossary as the report prints it.
The record
Searched from 1996 to today. Compiled 27 August 2026 and rebuilt daily as the archive deepens. Records are reproduced as the federal sources published them. The coverage page states what the record holds, by kind and by year.

About this record

Everything here is reproduced from public federal and volunteer weather records, as the agencies and observer networks that publish them released it. Titan Weather compiles the record; it does not observe the weather, and it is not affiliated with any source it cites.

No archive holds everything. Storms cross places where nobody is standing, instruments and observers cover some areas better than others, sources revise their records, and recent reports can take weeks to arrive and settle. Coverage also thins as the years go back: an early quiet stretch may describe who was watching rather than what the weather did. Where this page shows nothing, nothing was found in the sources searched, within the period and area it states. That is not a finding that no weather occurred.

A record sits where its source filed it. Reports made from the ground are commonly logged against a town, a landmark or an offset from one rather than the spot where the measurement was taken, so any distance shown for one carries that source's own location error. Radar detections and warning geometry are instrument-located and do not.

These pages describe the public record near a place or on a date. They do not establish what reached any particular property, and nothing here is insurance, legal or engineering advice.

Settled or provisional
Settled. The last national segment covering this day settled on August 24, 2026, and the figures above are drawn from the settled record.