Storm reports for July 20, 1999

IndependentNot affiliated with NOAA or the National Weather Service. Source: NOAA Storm Prediction Center storm reports. Data through November 7, 2026. Methodology

← Jul 19, 1999 All 1999 storm days · July 1999 Jul 21, 1999 →

Other storms on July 20 →

On July 20, 1999, 22 hail, 28 damaging-wind and 3 tornado reports were logged across 14 states. The largest hail reported was 2.75″ (baseball size) in Floyd County, IA.

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 (22)

Damage, injuries and deaths

National Weather Service offices recorded about $1.5 million in property damage, $205,000 in crop damage and 3 injuries from hail, thunderstorm wind and tornadoes across the US on this storm day (54 events in 14 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Washington County, ID (near Weiser) · Thunderstorm wind 79 mph · 3 injuries
  “Thunderstorm downburst winds of up to 80 mph damaged several homes and businesses in downtown Weiser. Numerous trees were downed on homes, with 2 people sustaining broken bones and a third sustaining a minor shoulder injury. The roofs of several businesses were damaged or blown off.”
• Minidoka County, ID (near Rupert) · Thunderstorm wind 78 mph · $200,000
  “Thunderstorm winds caused extensive damage to property in Rupert. Flying debris and downed trees damaged numerous vehicles and one home. The most extensive damage was a car dealership that lost part of its roof, which damaged or destoryed a number of vehicles. Power outages were widespread.”
• Taylor County, KY (near Campbellsville) · Thunderstorm wind 69 mph · $100,000
  “A severe thunderstorm with winds of approximately 70 mph hit the town of Cambellsville hard. Roofs were blown off buildings, including the Board of Education building in which water damage occurred to several computers and office equipment.”
• Power County, ID (near Pocatello Arpt) · Tornado F1 · $50,000
  “The tornado was observed by NWS personnel on duty at the weather office as it touched down at the Bannock Peak Trading Post off Interstate 86. The tornado caused a tractor-trailer to tip onto its side, blow windows out of the truck and a motor home as well as damaging four other vehicles.”
• Custer County, MT (near Miles City) · Thunderstorm wind · $50,000
  “Thunderstorm wind gusts of at least 48 mph caused several trees and a billboard to be blown down, a camping trailer to be blown over and some broken windows in and around Miles City.”
• Sumter County, FL (near Bushnell) · Thunderstorm wind · $2,000
  “Thunderstorm winds downed a few large trees, several large limbs and a couple power lines along U.S. Highway 301 in Bushnell.”

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