Wisconsin · August 11, 2026

Wisconsin hail map — August 11, 2026

NOAA radar detected hail of an inch or more over 1 Wisconsin city on August 11, 2026. The largest stones — 1.00″, quarter size — fell over Janesville.

Hail swath map for Janesville, WI on August 11, 2026 showing 1.00 inch hail.
Swath over Janesville on August 11, 2026 — 1.00″ hail. Each city below has its own map for this storm.
Cities hit
1
in Wisconsin
Largest stone
1.00″
quarter size
Impact rating
3/10
from stone size

Sizes come from NOAA MRMS radar (MESH), which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.

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Wisconsin cities hit on August 11, 2026

Janesville, WI1.00″ · quarter

What people on the ground measured in Wisconsin on August 11, 2026

3 reports filed with the National Weather Service. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.

  • 1.50″ half dollar size Public
    1 NE Evergreen, WI12:29 AM CDTMarathon County

    Report from mPING: Ping Pong Ball (1.50 in.).

  • 1.00″ quarter size Public
    1 N Ringle, WI12:48 AM CDTMarathon County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    1 WNW Hatley, WI12:54 AM CDTMarathon County

    Reported via social media.

Reports come from the National Weather Service Local Storm Report feed, ingested every 15 minutes. A report records where the observer was, not the full extent of the swath — treat it as evidence about the storm, not about any one roof.

Other states hit on August 11, 2026

Indiana12 cities · 2.00″North Dakota2 cities · 1.50″Kentucky3 cities · 1.00″Ohio3 cities · 1.00″Illinois3 cities · 1.00″South Dakota1 city · 1.00″South Carolina4 cities · 1.00″Georgia1 city · 1.00″North Carolina2 cities · 1.00″Pennsylvania1 city · 1.00″
The full US hail map for August 11, 2026 →

Other Wisconsin hail days

August 18, 20261 city · 1.00″August 9, 20263 cities · 1.00″July 27, 20269 cities · 2.00″July 3, 20261 city · 1.00″July 2, 20263 cities · 1.00″July 1, 20262 cities · 2.00″June 29, 20261 city · 1.00″June 24, 20262 cities · 1.00″June 16, 20261 city · 1.00″June 10, 20261 city · 1.00″May 27, 20262 cities · 2.00″April 21, 20262 cities · 1.00″
Every hail day across Wisconsin →
FAQ

Wisconsin hail on August 11, 2026

NOAA radar put hail of an inch or more over 1 Wisconsin city that day. The largest stones — 1.00 inches, quarter size — were over Janesville. Every city hit is listed above with its own stone size.

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