Watertown, WI

Hail map for Watertown, WI — April 18, 2025

NOAA radar detected hail up to 1.00″ — quarter size — within 5 miles of Watertown on April 18, 2025.

Hail swath map for Watertown, WI on April 18, 2025 showing 1.00 inch hail.
Max hail size
1.00″
quarter
Impact rating
3/10
from stone size
Size bands over the city
1
distinct radar bands
Measured on the ground
1.75″
9.0 mi away · Public

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

Roofing contractors

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Homeowners

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This page covers Watertown as a whole. Check your own address to see every storm on record for your roof — the date and the stone size for each one — and we'll email you the full report to keep.

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Other towns hit on April 18, 2025

Biloxi, MS1.50″Fitchburg, WI1.50″Sioux City, IA1.00″Muskogee, OK1.00″Bella Vista, AR1.00″Ardmore, OK1.00″
Every Wisconsin city hit on April 18, 2025 →

Other hail dates for Watertown

July 27, 20261.00″April 14, 20261.50″September 22, 20251.00″April 27, 20241.00″
Every storm over Watertown →

What people on the ground measured in Watertown, WI on April 18, 2025

7 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.

  • 1.75″ golf ball size Public
    4 ENE Lake Mills, WI · 9.0 mi away7:09 AM CDTJefferson County
  • 1.25″ half dollar size Public
    2 S Watertown, WI · 2.4 mi away7:50 AM CDTJefferson County

    Report from mPING: Half Dollar (1.25 in.).

  • 1.00″ quarter size Public
    1 N Watertown, WI · 1.1 mi away7:52 AM CDTDodge County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    3 NE Johnson Creek, WI · 5.2 mi away7:50 AM CDTJefferson County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    5 N Lake Mills, WI · 9.4 mi away6:58 AM CDTJefferson County

    Report from mPING: Quarter (1.00 in.) Time estimated from radar.

  • 1.00″ quarter size Public
    1 ENE Lac La Belle, WI · 12.0 mi away7:25 AM CDTWaukesha County
  • 1.00″ quarter size Public
    Lake Mills, WI · 12.6 mi away7:06 AM CDTJefferson County

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.

FAQ

Watertown hail on April 18, 2025

NOAA radar estimated stones up to 1.00 inches — quarter size — within about 5 miles of Watertown that day, across 1 distinct size band. Sizes vary street to street inside a single swath.

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