National Storms

On the map: every storm report logged this day.

On the map

HailWindTornado

2018 storm days

Storm reports for June 18, 2018

On June 18, 2018, 65 hail, 217 damaging-wind and 6 tornado reports were logged across 24 states.

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65hail reports
217damaging-wind reports
6tornado reports
3.00″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

← Jun 17, 2018 All 2018 storm days · June 2018 Jun 19, 2018 →

Other storms on June 18 →

On June 18, 2018, 65 hail, 217 damaging-wind and 6 tornado reports were logged across 24 states. The largest hail reported was 3.00″ (teacup size) in Boulder County, CO.

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
CO57303.00″
NY0560–
PA0310–
MA22701.00″
NH0162–
VT0140–
KS0140–
NE082–
NC080–
ME080–
MD060–
IA1311.25″
IN050–
UT2201.25″
VA040–
WI040–
WY3000.88″
NJ030–
MS001–
TX010–
SC010–
OH010–
CT010–
AR010–

Cities with hail reported within 5 miles

CityPopulationLargest report
Louisville, CO20,8113.00″
Superior, CO13,6543.00″
Brighton, CO43,4732.75″
Thornton, CO146,6892.50″
Broomfield, CO78,3232.50″
Erie, CO38,5942.50″
Northglenn, CO38,2872.50″
Lafayette, CO30,5872.50″
Firestone, CO19,3962.50″
Frederick, CO17,9372.50″
Dacono, CO6,7482.50″
Arvada, CO121,8732.00″
Westminster, CO115,3022.00″
Boulder, CO106,8032.00″
Federal Heights, CO13,9712.00″
Berthoud, CO13,6481.75″
Lochbuie, CO8,5991.75″
Mead, CO6,7351.75″
West Jordan, UT116,6881.25″
Sandy, UT92,8401.25″
South Jordan, UT86,1561.25″
Riverton, UT46,6801.25″
Midvale, UT36,2191.25″
White City metro township, UT5,9181.25″
Millcreek, UT64,2171.00″

Hail reports (65)

Time (UTC)SizeLocation
01:313.00″Boulder County, CO
03:052.75″Adams County, CO
01:002.50″Weld County, CO
01:522.50″Boulder County, CO
02:492.50″Adams County, CO
18:052.00″Jefferson County, CO
01:452.00″Boulder County, CO
01:462.00″Boulder County, CO
01:492.00″Boulder County, CO
02:302.00″Adams County, CO
02:472.00″Adams County, CO
00:041.75″Boulder County, CO
00:101.75″Boulder County, CO
00:151.75″Boulder County, CO
00:431.75″Weld County, CO
00:511.75″Weld County, CO
00:551.75″Weld County, CO
01:181.75″Weld County, CO
01:381.75″Boulder County, CO
01:431.75″Boulder County, CO
02:231.75″Jefferson County, CO
02:471.75″Adams County, CO
02:481.75″Adams County, CO
03:211.75″Weld County, CO
03:571.75″Washington County, CO
04:331.75″Washington County, CO
04:541.75″Washington County, CO
00:081.50″Boulder County, CO
00:511.50″Weld County, CO
01:301.50″Weld County, CO
01:451.50″Boulder County, CO
01:571.50″Boulder County, CO
02:231.50″Broomfield County, CO
02:341.50″Broomfield County, CO
03:391.50″Morgan County, CO
17:301.25″Salt Lake County, UT
20:051.25″Webster County, IA
00:101.25″Boulder County, CO
00:191.25″Weld County, CO
01:401.25″Boulder County, CO
18:451.00″Salt Lake County, UT
21:161.00″Hampshire County, MA
21:191.00″Franklin County, MA
23:581.00″Boulder County, CO
00:001.00″Boulder County, CO
00:301.00″Adams County, CO
00:321.00″Weld County, CO
00:351.00″Boulder County, CO
00:481.00″Weld County, CO
01:111.00″Weld County, CO
01:201.00″Boulder County, CO
01:281.00″Boulder County, CO
01:391.00″Boulder County, CO
01:451.00″Boulder County, CO
01:491.00″Boulder County, CO
02:001.00″Weld County, CO
02:271.00″Jefferson County, CO
02:311.00″Broomfield County, CO
02:351.00″Adams County, CO
02:461.00″Adams County, CO
04:131.00″Morgan County, CO
23:050.88″Platte County, WY
01:030.88″Goshen County, WY
01:120.88″Goshen County, WY
00:130.75″Weld County, CO

Damage, injuries and deaths

National Weather Service offices recorded about $673,000 in property damage, 2 injuries and 1 death from hail, thunderstorm wind and tornadoes across the US on this storm day (288 events in 24 states). Injuries and deaths are those the events caused directly.

CountyEventsInjuriesDeathsProperty damage
Morris County, NJ111–
Dutchess County, NY110–
Washington County, VT200$102,000
Lincoln County, MS100$75,000
Middlesex County, MA700$60,000
Sullivan County, NY500$55,000
Bradford County, PA400$50,000
Essex County, MA800$47,000
Chautauqua County, NY500$26,000
Franklin County, MA600$24,000
Orange County, VT200$22,000
Warren County, PA400$21,000

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.

NWS Tornado Damage Surveys for June 18, 2018

National Weather Service survey teams mapped 1 tornado path from this storm day (1 EF0), 1 miles in all. The map above draws each surveyed path as the NWS mapped it, colored by the EF rating of each stretch, in place of the straight start-to-end line.

RatingPeak windPath lengthMax widthDeaths / injuriesOn the groundSurveyed by
EF070 mph0.7 mi25 yd0 / 019:57–20:01 UTCNWS Jackson, MS

Source: NOAA National Weather Service Damage Assessment Toolkit (DAT): the tornado paths and EF-rating zones NWS survey teams mapped after each storm. Survey data are preliminary and can be revised; NOAA's official record is Storm Data (NCEI). Paths are simplified to about 30 m. Times are when the tornado was on the ground, in UTC.

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