Storm reports for June 18, 1999

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

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Other storms on June 18 →

On June 18, 1999, 34 hail, 12 damaging-wind and 5 tornado reports were logged across 8 states. The largest hail reported was 2.75″ (baseball size) in Haskell County, KS.

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 (34)

Damage, injuries and deaths

National Weather Service offices recorded about $12,000 in property damage and $50,000 in crop damage from hail, thunderstorm wind and tornadoes across the US on this storm day (51 events in 8 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Haskell County, KS (near Sublette) · Tornado F1 · $11,000
  “Machine shed heavily damaged, horse trailer turned over and windows blown out of a trailer.”
• Golden Valley County, MT (near Ryegate) · Thunderstorm wind 70 mph
  “Spotter estimated wind gust of 70 mph. Several large branches were downed in Ryegate.”
• Musselshell County, MT (near Roundup) · Thunderstorm wind 64 mph
  “Musselshell County Sheriff reported 65 mph wind gusts. Several large tree branches and street signs were blown down.”
• Wheatland County, MT (near Harlowton) · Thunderstorm wind 60 mph
  “Spotter estimated 60 mph wind gust. Some power lines were downed in Harlowton and in Shawmut.”
• Yellowstone County, MT (near Billings) · Thunderstorm wind 60 mph
  “Montana State Highway Patrol estimated 60 mph wind gusts in Billings”
• Bannock County, ID (near Pocatello) · Hail 1.75″
  “A severe thunderstorm dropped hail ranging from 0.75 to 1.75 inches at several locations in the city of Pocatello.”

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