Storm reports for July 17, 2018

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

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Other storms on July 17 →

On July 17, 2018, 23 hail, 106 damaging-wind and 1 tornado reports were logged across 24 states. The largest hail reported was 1.75″ (golf ball size) in Pennington County, SD.

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

Cities with hail reported within 5 miles

Hail reports (23)

Damage, injuries and deaths

National Weather Service offices recorded about $259,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (131 events in 24 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Hampshire County, MA (near Hockanum) · Thunderstorm wind 58 mph · $55,000
  “At 1:36 PM EST, a thunderstorm brought seven utility poles down on State Route 47 at the Hadley town line.”
• Northeastern Connecticut Planning Region, CT (near Ashford) · Tornado EF0 · $30,000
  “At 3 PM EST, an EF-0 tornado touched down west of Ashford Lake and moved generally east for about one minute. Damage was confined to a narrow area bounded by North Road to the west and Ashford Lake to the east, and by Birchwood drive to the north and Westview Drive to the south.”
• Washington County, AR (near Fayetteville) · Thunderstorm wind 64 mph · $25,000
  “Strong thunderstorm wind damaged the siding of a home in the western part of the city. Three structures at the Arkansas Agricultural Research Center were destroyed by strong thunderstorm wind.”
• Dorchester County, MD (near Linkwood) · Thunderstorm wind 58 mph · $25,000
  “A roof was blown off of a barn, and several trees were downed near 4895 Drawbridge Road.”
• Hampshire County, MA (near Westhampton) · Thunderstorm wind 52 mph · $25,000
  “At 11:22 PM EST, a thunderstorm moving over Westhampton brought a tree down on a house and car on Southampton Road.”
• La Paz County, AZ (near Lakeside) · Thunderstorm wind 64 mph · $10,000
  “Strong thunderstorms developed over far northwest portions of La Paz county and near the town of Parker during very early morning hours on July 18th. The storms produced gusty and damaging outflow winds.”

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.

Guides: What radar-estimated hail (MESH) is and isn't · Storm reports: preliminary vs final