National Storms

On the map: radar-estimated hail around Racine County, WI, the county with the most homes under 1″+ hail this day. Dots are storm reports. Zoom out for the rest of the day.

Radar-estimated hail

¾″1″1½″2″2½″3″+
HailWindTornado

2026 storm days

Storm reports for April 21, 2026

On April 21, 2026, 5 hail, 2 damaging-wind and 5 tornado reports were logged across 3 states.

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5hail reports
2damaging-wind reports
5tornado reports
1.00″largest hail reported
1,700homes inside 1″+ radar-estimated hail (31 mi²)

IndependentNot affiliated with NOAA or the National Weather Service. Source: NOAA Storm Prediction Center storm reports; NOAA MRMS radar hail estimates (MESH) via the Iowa Environmental Mesonet; 2020 Census housing units. Data through November 6, 2026. Methodology

← Apr 18, 2026 All 2026 storm days · April 2026 Apr 22, 2026 →

Other storms on April 21 →

On April 21, 2026, 5 hail, 2 damaging-wind and 5 tornado reports were logged across 3 states. The largest hail reported was 1.00″ (quarter size) near Greenfield, WI. Radar estimated hail of 1 inch or larger over 31 square miles containing about 1,700 homes.

Storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Colored areas are NOAA MRMS radar estimates of the largest hail (MESH) over the day, lower 48 states only; radar overestimates and underestimates size, so read it with the ground reports.

Storm reports by state

StateHailWindTornadoLargest hail
CA2151.00″
WI3001.00″
NV010–

Cities with the largest radar-estimated hail

CityPopulationRadar max near center
Mount Pleasant, WI28,1841.01″
Sturtevant, WI6,8550.92″
Racine, WI78,0570.91″
Yorkville, WI3,2470.91″
Somers, WI8,1940.89″
Union Grove, WI5,2410.83″
Madera, CA69,0940.78″

Counties by homes inside 1″+ radar-estimated hail

CountyHomesPeopleAreaRadar max
Racine County, WI1,7254,0112 mi²1.11″
Hancock County, ME000 mi²1.06″
Lewis County, NY001 mi²1.55″
St. Lawrence County, NY003 mi²3.11″
Brewster County, TX0024 mi²1.82″

Homes are 2020 Census housing units and people are 2020 Census residents, counted by block group where its center of population lies under radar-estimated hail of 1 inch or larger.

Hail reports (5)

Time (UTC)SizeLocation
17:211.00″Greenfield, WI
17:561.00″4 mi SE of Wind Lake, WI
18:191.00″2 mi SE of Elmwood Park, WI
22:361.00″6 mi NE of Firebaugh, CA
00:351.00″3 mi NNE of Orange Cove, CA

Damage, injuries and deaths

National Weather Service offices recorded 6 hail, wind or tornado events across the US on this storm day, with no damage estimate, injury or death entered. Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

Event narratives from NWS Storm Data, shortened. Up to six per day, chosen by deaths, injuries, damage and size.

Source: NOAA National Centers for Environmental Information (NCEI), Storm Events Database, as entered by National Weather Service offices; data through July 31, 2026. Damage is in dollars of the year, not adjusted for inflation.

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