STORM BRIEF · NOAA PRELIMINARY REPORTS · UPDATED 2026-10-21
Wisconsin hail reports, last 90 days.
56 preliminary hail reports on 7 days, 14 of them at two inches or larger. NOAA logs hail from one inch, the size that starts shingle claims. Last report Sep 3. Below: where it hit, then what a roofer may and may not do in Wisconsin before the first door.
| Date | Time | Hail | Place | County |
|---|---|---|---|---|
| Sep 3 | 05:31 UTC | 1.25" | 1 SW Shawano | Shawano |
| Sep 3 | 04:32 UTC | 1.75" | Mayville | Dodge |
| Sep 3 | 04:28 UTC | 1.00" | 1 W Mayville | Dodge |
| Aug 25 | 00:43 UTC | 1.50" | 5 WNW Trego | Washburn |
| Aug 18 | 21:50 UTC | 1.00" | 1 SSE Fond Du Lac | Fond du Lac |
| Aug 18 | 21:50 UTC | 1.00" | 1 NE Fond Du Lac | Fond du Lac |
| Aug 18 | 20:23 UTC | 1.25" | 1 WNW Onalaska | La Crosse |
| Aug 18 | 20:19 UTC | 1.00" | 2 S Holmen | La Crosse |
| Aug 11 | 06:31 UTC | 1.50" | 4 SW Mattoon | Shawano |
| Aug 11 | 05:54 UTC | 1.00" | 1 WNW Hatley | Marathon |
| Aug 11 | 05:48 UTC | 1.00" | 1 N Ringle | Marathon |
| Aug 11 | 05:29 UTC | 1.50" | 1 NE Evergreen | Marathon |
| Aug 9 | 04:48 UTC | 1.25" | 2 E Mukwonago | Waukesha |
| Aug 9 | 04:35 UTC | 1.00" | 1 SW Mukwonago | Waukesha |
| Aug 9 | 04:11 UTC | 1.50" | 2 W Pell Lake | Walworth |
| Aug 9 | 04:03 UTC | 1.00" | 1 SSW Lake Geneva | Walworth |
| Aug 9 | 04:00 UTC | 1.25" | 3 SW Lake Geneva | Walworth |
| Aug 9 | 03:50 UTC | 1.00" | 3 SSE Fontana-on-Geneva | Walworth |
| Jul 27 | 19:01 UTC | 1.00" | 1 W Mayville | Dodge |
| Jul 27 | 18:52 UTC | 1.25" | Mayville | Dodge |
| Jul 27 | 17:39 UTC | 1.00" | 2 SW Kenosha | Kenosha |
| Jul 27 | 17:36 UTC | 1.00" | 1 NW Kenosha | Kenosha |
| Jul 27 | 17:29 UTC | 1.25" | 4 NE Pleasant Prairie | Kenosha |
| Jul 27 | 17:05 UTC | 1.00" | 1 NE Darboy | Calumet |
| Jul 27 | 16:43 UTC | 1.00" | 1 NE Bristol | Kenosha |
| Jul 27 | 16:36 UTC | 1.00" | Eagle Lake | Racine |
| Jul 27 | 16:29 UTC | 1.00" | 1 S Delafield | Waukesha |
| Jul 27 | 16:28 UTC | 1.00" | Browns Lake | Racine |
| Jul 27 | 16:23 UTC | 1.00" | Waterford | Racine |
| Jul 27 | 16:21 UTC | 2.50" | 1 W Oconomowoc | Waukesha |
| Jul 27 | 16:17 UTC | 2.00" | 1 NE Oconomowoc | Waukesha |
| Jul 27 | 16:14 UTC | 1.75" | 1 ESE Lac La Belle | Waukesha |
| Jul 27 | 16:11 UTC | 1.25" | 1 SW Lac La Belle | Jefferson |
| Jul 27 | 16:11 UTC | 3.00" | Algoma | Kewaunee |
| Jul 27 | 16:05 UTC | 2.75" | Neosho | Dodge |
| Jul 27 | 15:50 UTC | 3.00" | 2 NNE Belle Plaine | Shawano |
| Jul 27 | 15:40 UTC | 1.25" | 1 ENE Shawano | Shawano |
| Jul 27 | 15:29 UTC | 1.00" | Gresham | Shawano |
| Jul 27 | 15:28 UTC | 4.50" | 2 NW Gresham | Shawano |
| Jul 27 | 15:26 UTC | 1.00" | Juneau | Dodge |
NOAA Storm Prediction Center preliminary reports, public domain; times are UTC; sizes are as reported, not surveyed. Full 120-day file: reports.json.
What a roofer may and may not do in Wisconsin.
Solicitation and rescission
Federal floor: FTC Cooling-Off Rule, 16 C.F.R. §§ 429.0–429.1 — a door-to-door sale of $25 or more agreed at the buyer's home carries a 3-business-day right to cancel, with a narrow exemption where the buyer initiated the call for emergency repairs and signs a dated waiver. Checked at law.cornell.edu, 2026-08-15. State law can add to this floor; it… Full entry and sources →
Deductibleverified
Wis. Stat. § 100.65: no residential contractor may, including in any advertisement, promise to pay or rebate all or any portion of a property insurance deductible as an incentive to contract for roof repair or replacement or other exterior work. Forfeiture of $500 to $1,000 per violation. Full entry and sources →
Contractor adjustingverified
Wis. Stat. § 100.65: 'No residential contractor may represent or offer to represent a consumer or negotiate on behalf of a consumer with respect to any insurance claim.' The same section preserves what you actually need: you may discuss the damage, prepare an estimate, and submit it to the insurer with the consumer's express consent. Full entry and sources →
Licencenot located
Free, no signup: the proposal and contract with the 51-state notices appendix, the supplement packet and the estimate calculator, the supplement and canvass guides, and the roofing calculators. The storm canvass brief in Roofing OS turns a report list like the one above into a neighbourhood plan and a door pitch; see what is inside.
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The week's hail reports by state from NOAA, with the rules that apply where it hit. Plus the free storm canvass workflow and six short emails from The Roofing OS. One click to leave.
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