National Storms

On the map: every storm report logged this day.

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HailWindTornado

2003 storm days

Storm reports for July 31, 2003

On July 31, 2003, 131 hail, 54 damaging-wind and 0 tornado reports were logged across 15 states.

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131hail reports
54damaging-wind reports
0tornado reports
2.75″largest hail reported

IndependentNot affiliated with NOAA or the National Weather Service. Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology

← Jul 30, 2003 All 2003 storm days · July 2003 Aug 1, 2003 →

Other storms on July 31 →

On July 31, 2003, 131 hail, 54 damaging-wind and 0 tornado reports were logged across 15 states. The largest hail reported was 2.75″ (baseball size) in Webster County, MO.

Storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Radar hail estimates start October 2019.

Storm reports by state

StateHailWindTornadoLargest hail
WI301201.75″
KS192301.75″
IA35002.75″
MO18502.75″
IL14501.75″
MN6001.50″
FL1300.75″
AR3001.75″
MI3001.50″
NE2000.75″
CA020–
MS010–
OH010–
NC010–
GA010–

Cities with hail reported within 5 miles

CityPopulationLargest report
Rogersville, MO5,3442.75″
Mason City, IA26,9481.75″
LaSalle, IL9,4241.75″
Edgerton, WI6,1381.75″
Spring Valley, IL5,4041.75″
Oglesby, IL3,6261.75″
Deerfield, WI2,6471.25″
Springfield, MO170,5961.00″
Mequon, WI25,3291.00″
Sussex, WI12,6071.00″
Brown Deer, WI12,5271.00″
Richfield, WI11,7831.00″
Lisbon, WI11,1271.00″
Roscoe, IL10,9811.00″
South Beloit, IL7,9831.00″
Marshfield, MO7,9351.00″
Rockton, IL7,8611.00″
Clear Lake, IA7,6021.00″
Charles City, IA7,0811.00″
Milton, WI5,7781.00″
Bayside, WI4,3381.00″
Cresco, IA3,8901.00″
Merton, WI3,6551.00″
Plainview, MN3,4981.00″
Thiensville, WI3,2991.00″

Hail reports (131)

Time (UTC)SizeLocation
21:432.75″Webster County, MO
04:002.75″Cerro Gordo County, IA
04:572.75″Butler County, IA
03:582.50″Cerro Gordo County, IA
20:381.75″Chickasaw County, IA
20:451.75″Langlade County, WI
20:501.75″Howard County, IA
20:551.75″Ellis County, KS
21:041.75″Dallas County, MO
21:301.75″Dallas County, MO
22:061.75″Boone County, AR
22:071.75″Black Hawk County, IA
22:371.75″Camden County, MO
23:151.75″Stone County, MO
03:321.75″Cerro Gordo County, IA
03:551.75″Cerro Gordo County, IA
04:001.75″Cerro Gordo County, IA
07:321.75″Rock County, WI
08:001.75″LaSalle County, IL
20:501.50″Chickasaw County, IA
22:001.50″Mower County, MN
22:151.50″Menominee County, MI
23:331.50″Linn County, IA
00:451.50″Ogle County, IL
07:481.50″Stephenson County, IL
22:301.25″Mower County, MN
23:431.25″Clark County, WI
00:001.25″Howard County, IA
07:501.25″Dane County, WI
19:001.00″Iowa County, WI
19:041.00″Sheboygan County, WI
20:361.00″Anderson County, KS
20:381.00″Ottawa County, KS
20:431.00″Chickasaw County, IA
20:471.00″Greene County, MO
20:511.00″Howard County, IA
20:561.00″Greene County, MO
20:571.00″Greene County, MO
21:001.00″Greene County, MO
21:041.00″Winneshiek County, IA
21:331.00″Greene County, MO
21:481.00″Clark County, MO
22:001.00″Menominee County, MI
22:191.00″Boone County, AR
22:251.00″Winnebago County, IL
22:271.00″Winona County, MN
22:301.00″Newton County, AR
23:051.00″Waukesha County, WI
23:161.00″Rush County, KS
23:261.00″Webster County, MO
23:321.00″Rush County, KS
23:391.00″Wabasha County, MN
23:451.00″Wabasha County, MN
00:231.00″Howard County, IA
00:561.00″Buffalo County, WI
01:201.00″Winneshiek County, IA
01:551.00″Winneshiek County, IA
02:341.00″Floyd County, IA
03:201.00″Cerro Gordo County, IA
03:551.00″Marathon County, WI
04:461.00″Butler County, IA
06:521.00″Stephenson County, IL
07:131.00″Green County, WI
07:451.00″Stephenson County, IL
07:551.00″Rock County, WI
08:551.00″Waukesha County, WI
09:001.00″Ozaukee County, WI
18:350.88″Osage County, KS
19:300.88″Jewell County, KS
21:210.88″Dallas County, MO
21:220.88″Greene County, MO
22:150.88″Webster County, MO
22:200.88″Camden County, MO
23:000.88″Trego County, KS
00:300.88″Pawnee County, KS
00:300.88″Howard County, IA
00:430.88″Pratt County, KS
01:250.88″Eau Claire County, WI
01:360.88″Charlevoix County, MI
01:540.88″Winneshiek County, IA
03:000.88″Will County, IL
03:390.88″Pocahontas County, IA
03:460.88″Pocahontas County, IA
04:000.88″Pocahontas County, IA
04:100.88″Hancock County, IA
04:510.88″Butler County, IA
04:550.88″Butler County, IA
05:020.88″Franklin County, IA
05:250.88″Franklin County, IA
13:500.75″Pierce County, NE
17:230.75″Vernon County, WI
17:350.75″Vernon County, WI
17:500.75″Marquette County, WI
17:530.75″Crawford County, WI
18:050.75″Crawford County, WI
18:070.75″Crawford County, WI
18:150.75″Richland County, WI
19:500.75″Langlade County, WI
19:560.75″Iowa County, WI
20:340.75″Green County, WI
20:550.75″Ellis County, KS
20:570.75″Howard County, IA
21:150.75″Marinette County, WI
21:430.75″Rock County, WI
21:450.75″Clark County, MO
21:500.75″Ellsworth County, KS
22:000.75″Marinette County, WI
22:050.75″Trego County, KS
22:150.75″Orange County, FL
22:230.75″Winona County, MN
22:270.75″Barton County, KS
22:460.75″Taney County, MO
22:530.75″Jefferson County, WI
23:100.75″Rush County, KS
23:300.75″Cheyenne County, KS
23:370.75″Dickinson County, KS
23:400.75″Clark County, WI
23:450.75″Stephenson County, IL
00:120.75″Stafford County, KS
00:150.75″Marathon County, WI
00:250.75″Platte County, NE
00:280.75″Winneshiek County, IA
01:000.75″Edwards County, KS
02:300.75″Chickasaw County, IA
02:400.75″Kane County, IL
02:500.75″DuPage County, IL
03:300.75″Palo Alto County, IA
06:300.75″Stephenson County, IL
06:440.75″Stephenson County, IL
07:250.75″Stephenson County, IL
07:480.75″Stephenson County, IL

Damage, injuries and deaths

National Weather Service offices recorded about $1.4 million in property damage and $545,000 in crop damage from hail, thunderstorm wind and tornadoes across the US on this storm day (185 events in 15 states). Injuries and deaths are those the events caused directly.

CountyEventsInjuriesDeathsProperty damage
Lake County, OH100$300,000
Barton County, KS300$250,000
Linn County, IA100$200,000
Ellsworth County, KS200$170,000
Cerro Gordo County, IA600$145,000
Stephenson County, IL800$120,000
Rock County, WI100$50,000
Butler County, IA400$34,000
San Bernardino County, CA100$30,000
Black Hawk County, IA100$25,000
Clark County, MO200$15,000
Washington County, WI100$10,000

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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