Waukesha, WI

Hail map for Waukesha, WI — April 18, 2025

Hail up to 1.75″ — golf ball size — was estimated within 5 miles of Waukesha on April 18, 2025.

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Max hail size
1.75″
golf ball
Impact rating
6/10
from stone size
Size bands over the city
4
distinct radar bands
Measured on the ground
2.00″
9.0 mi away · Public

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

Homeowners

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This page covers Waukesha 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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What people on the ground measured in Waukesha, WI on April 18, 2025

15 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.

  • 2.00″ hen egg size Public
    1 E North Prairie, WI · 9.0 mi away7:49 AM CDTWaukesha County

    Ranged from nickel size to lime size in the first batch, then a second wave hit with more nickel/quarter size hail.

  • 1.50″ half dollar size Public
    4 ENE North Prairie, WI · 5.7 mi away7:41 AM CDTWaukesha County
  • 1.50″ half dollar size Public
    3 SE North Prairie, WI · 10.4 mi away7:45 AM CDTWaukesha County
  • 1.50″ half dollar size Public
    3 WNW Mukwonago, WI · 12.1 mi away7:44 AM CDTWaukesha County
  • 1.25″ half dollar size Public
    Mukwonago, WI · 11.0 mi away7:44 AM CDTWaukesha County

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

  • 1.00″ quarter size Public
    3 S Waukesha, WI · 2.4 mi away7:46 AM CDTWaukesha County
  • 1.00″ quarter size Public
    4 NW Big Bend, WI · 6.5 mi away7:53 AM CDTWaukesha County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    1 E New Berlin, WI · 6.8 mi away8:00 AM CDTWaukesha County
  • 1.00″ quarter size Public
    3 S New Berlin, WI · 7.1 mi away8:40 AM CDTWaukesha County

    Report from mPING: Quarter (1.00 in.).

  • 1.00″ quarter size Public
    1 W North Prairie, WI · 10.8 mi away7:46 AM CDTWaukesha County

    Report from mPING: Quarter (1.00 in.).

  • 0.75″ penny size Public
    1 N Waukesha, WI · 1.3 mi away7:57 AM CDTWaukesha County

    Report from mPING: Dime (0.75 in.).

  • 0.75″ penny size Public
    3 S Waukesha, WI · 3.0 mi away8:37 AM CDTWaukesha County

    Report from mPING: Dime (0.75 in.).

  • 0.75″ penny size Public
    3 S Waukesha, WI · 3.0 mi away7:54 AM CDTWaukesha County

    Report from mPING: Dime (0.75 in.).

  • 0.75″ penny size Public
    1 N West Allis, WI · 10.2 mi away8:06 AM CDTMilwaukee County

    Report from mPING: Dime (0.75 in.).

  • 0.75″ penny size Public
    1 NW West Milwaukee, WI · 12.8 mi away8:12 AM CDTMilwaukee County

    Report from mPING: Dime (0.75 in.).

These are verified ground reports, updated 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

Waukesha hail on April 18, 2025

Hail up to 1.75 inches — golf ball size — was estimated within about 5 miles of Waukesha that day, across 4 distinct size bands. Sizes vary street to street inside a single swath.

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