Data current as of 2026-10-16 · Sourced from NOAA Storm Events
Over the past five years, the National Oceanic and Atmospheric Administration has recorded 149 hail storms within 25 miles of South Milwaukee, WI. Of those, 98 produced hail at least quarter-size — the threshold most insurance carriers consider potentially damaging to asphalt shingles. The largest reported hail in this window was egg-sized, which can fracture shingle mat and dent metal flashing on contact. 2026 was the most active year on record locally, with 40 documented hail events.
Check Hail History for a Specific Address in South Milwaukee| Severity | Count | What it means for roofs |
|---|---|---|
| Destructive | 8 events | Egg-size, expect mat fractures and gutter damage |
| Severe | 6 events | Ping pong-size, granule loss and bruising common |
| Significant | 84 events | Quarter-size, the standard insurance damage threshold |
| Moderate | 51 events | Marble-size, possible cosmetic damage |
| Year | Reported Hail Events Within 25 mi |
|---|---|
| 2026 | 40 events |
| 2025 | 40 events |
| 2024 | 36 events |
| 2023 | 23 events |
| 2022 | 10 events |
2026 was the busiest hail year on record locally for South Milwaukee, with 40 documented events inside the 25-mile radius. Storm activity in South Milwaukee typically peaks in spring and early summer, when the jet stream pushes Gulf moisture into the area and supercell thunderstorms become more frequent.
| Date | Location | Severity | Size | NOAA Comments |
|---|---|---|---|---|
| 2026-08-10 | 2 E Mukwonago, WI | Significant | 1.25" | Report from mPING: Half Dollar (1.25 in.). |
| 2026-08-10 | 1 W Hales Corners, WI | Moderate | 0.75" | Report from mPING: Dime (0.75 in.). |
| 2026-07-27 | Eagle Lake, WI | Significant | 1.00" | — |
| 2026-07-27 | Waterford, WI | Significant | 1.00" | — |
| 2026-07-27 | Browns Lake, WI | Significant | 1.00" | — |
| 2026-07-27 | 1 NW Kenosha, WI | Significant | 1.00" | Report from mPING: Quarter (1.00 in.) Time confirmed from radar. |
| 2026-07-27 | 2 SW Kenosha, WI | Significant | 1.00" | Report from mPING: Quarter (1.00 in.) Time confirmed from radar. |
| 2026-07-27 | 4 NE Pleasant Prairie, WI | Significant | 1.25" | Report from mPING: Half Dollar (1.25 in.). Time confirmed from radar. |
| 2026-04-21 | 4 SE Wind Lake, WI | Significant | 1.00" | Report from mPING: Quarter (1.00 in.). |
| 2026-04-21 | UNION GROVE HRNR ARP, WI | Significant | 1.00" | — |
| 2026-04-21 | Greenfield, WI | Significant | 1.00" | Observation with pictures. |
| 2026-04-21 | 6 E Wind Lake, WI | Moderate | 0.88" | — |
| 2026-04-21 | GREENFIELD, WI | Significant | 1.00" | Pictures provided. |
| 2026-04-21 | NORTH CAPE, WI | Moderate | 0.88" | — |
| 2026-04-21 | (MKE)MITCHELL APT MI, WI | Significant | 1.00" | — |
| 2026-04-21 | 2 WSW Saint Francis, WI | Significant | 1.00" | Milwaukee Airport Observer pictures. |
| 2026-04-21 | (MKE)MITCHELL APT MI, WI | Significant | 1.00" | Pictures provided by the weather observer at Mitchell Field. |
| 2026-04-21 | 2 SE Elmwood Park, WI | Significant | 1.00" | Report from mPING: Quarter (1.00 in.). |
| 2026-04-21 | ELMWOOD PARK, WI | Significant | 1.00" | — |
| 2026-04-21 | 3 W Saint Francis, WI | Significant | 1.00" | Report from mPING: Quarter (1.00 in.). |
NOAA has recorded 77 high-wind events within 25 miles of South Milwaukee, WI in the past five years. Of those, 75 reached severe-thunderstorm thresholds (58+ mph). The highest measured gust was 90 mph.
| Severity | Count |
|---|---|
| Severe | 14 events |
| Significant | 61 events |
| Moderate | 2 events |
| Date | Location | Gust (mph) | Severity | NOAA Comments |
|---|---|---|---|---|
| 2026-08-18 | 2 ENE Butler, WI | 56 | Significant | AWOS station KMWC Milwaukee Timmerman Airport reports 56 mph winds during thunderstorm. |
| 2026-07-03 | 2 SSE Eagle Lake, WI | 65 | Severe | Private Weather Station. |
| 2026-07-03 | 3 N Pleasant Prairie, WI | 58 | Significant | ASOS measure 50 kts. |
| 2026-07-03 | 1 SE Menomonee Falls, WI | 64 | Severe | Private weather station measures 64 MPH wind gust. Time confirmed from radar. |
| 2026-06-11 | 2 WSW Saint Francis, WI | 53 | Significant | Mitchell airport. |
| 2026-06-11 | 2 WSW North Bay, WI | 54 | Significant | Racine airport. |
| 2026-06-11 | KENOSHA AIRPORT, WI | 64 | Severe | Storm chaser reports several large downed tree branches on 136th Avenue in the city of Kenosha. Wind gust estimated from radar data and damage. |
| 2026-06-11 | 2 NNW Saint Francis, WI | 40 | Moderate | Port of Milwaukee C-Man MLWW3. |
| 2026-06-10 | KENOSHA AIRPORT, WI | 60 | Significant | Kenosha Airport ASOS measures 60 MPH wind gusts. |
| 2026-06-10 | 3 N Pleasant Prairie, WI | 60 | Significant | Kenosha Airport. |
| 2026-06-10 | LANNON, WI | 60 | Significant | Public report a small tree snapped half way up. Wind gust estimated from radar data and damage. |
| 2026-04-27 | KMKE Airport ASOS, WI | 77 | Severe | ASOS Peak Wind Report, 120-deg, 67-kt, 1832-zulu. |
| 2026-04-27 | 2 WSW Saint Francis, WI | 70 | Severe | More than 200 calls for downed trees and branches in Milwaukee. Some trees blocking roads, and resting on homes and vehicles. |
| 2026-04-27 | 2 WSW North Bay, WI | 46 | Significant | East to southeast wind gusts of 46 mph were reported at 1:35 PM CDT and 1:44 PM CDT at Batten Airport. |
| 2026-04-27 | 2 ENE Shorewood, WI | 43 | Moderate | South southeast wind gust at 37 kt. |
| 2026-04-27 | 17 E Saint Francis, WI | 71 | Severe | Mariner reports 62 kt wind gust measured from 84 ft mast. Location is approximate, exact time of ob is unknown (time is estimated from radar). |
| 2026-04-27 | 2 NNW Saint Francis, WI | 51 | Significant | Southeast wind gust to 44 kt. |
| 2026-04-17 | CADDY VISTA, WI | 81 | Severe | Total destruction of a greenhouse and damage to other outbuildings. Multiple trees uprooted and leaning to the north northeast. |
| 2026-04-14 | ROCHESTER FOX RVR AR, WI | 60 | Significant | Trained spotter reports uprooted trees and shingle damage from thunderstorm winds. |
| 2026-04-14 | WEST ALLIS, WI | 58 | Significant | Multiple social media reports of trees and tree limbs down in southwest Milwaukee. |
The most recent quarter-size-or-larger hail storm recorded by NOAA within 25 miles of South Milwaukee was on August 10, 2026. HailCheck refreshes from the NOAA Storm Events database daily, so newer events appear here as they are reported.
South Milwaukee averages roughly 30 reported hail events per year within a 25-mile radius. Significant storms (quarter-size or larger) account for 98 of the 149 events recorded over the last five years.
The largest documented hail near South Milwaukee in the last five years was egg-sized. Most South Milwaukee-area hail falls in the marble-to-quarter range, with destructive storms (egg-size or larger) appearing roughly once every few years.
Most homeowners insurance policies in WI cover hail damage to roofs, siding, and gutters under the dwelling and other-structures coverage. Coverage typically requires the damage to be tied to a verifiable storm date — which is where the NOAA hail history above (and a HAAG-style test square validation) becomes important for the claim file.
Use the HailCheck address search to enter any street address in or near South Milwaukee. HailCheck returns every NOAA hail event within a configurable radius, along with severity bands, dates, and storm narratives for Pro members.
If your property in or near South Milwaukee took on hail during one of the storms above, the standard process for documenting damage is a 10×10 foot test square inspection. A HAAG-trained reviewer counts impact indicators — granule displacement, mat fractures, and bruising — within the marked square and produces a PASS or FAIL document for the claim file.
HailCheck offers a $99 photo-based HAAG-style test square validation. You submit photos from the field, our reviewer evaluates the impact indicators and cross-references the NOAA storm dates listed above, and a written PASS/FAIL determination is returned within one business day. We do not send anyone to the roof — the validation is built around the photos you submit.
Learn About $99 HAAG-Style ValidationSouth Milwaukee sits east of the traditional hail alley, where hail events are less frequent than the central plains but tend to be associated with strong squall lines and tropical systems. Local roof systems are less commonly hardened for hail, which can mean even moderate impacts produce claim-worthy damage.