Storm reports for August 26, 2004

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 August 26 →

On August 26, 2004, 61 hail, 117 damaging-wind and 16 tornado reports were logged across 13 states. The largest hail reported was 5.50″ (softball size) in Hancock 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 (61)

Damage, injuries and deaths

National Weather Service offices recorded about $1.7 million in property damage, $263,000 in crop damage and 1 injury from hail, thunderstorm wind and tornadoes across the US on this storm day (186 events in 13 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Linn County, IA (near Hiawatha) · Thunderstorm wind 70 mph · $20,000 · 1 injury
  “A mile long swath of straight line winds estimated at 70 mph occurred along Boyson Road in the northern part of Hiawatha. Damage was sustained to the local Farm Bureau office, the Hiawatha Care Center, a gas station, a banking center, and a sign company.”
• Marshall County, IA (near Melbourne) · Tornado F1 · $50,000
  “Tornado had an intermittent track and may have infact been three tornadoes that developed in rapid succesion.”
• Muskegon County, MI (near Whitehall) · Thunderstorm wind 61 mph · $25,000
  “A tree was blown down onto a mobile home and numerous tree limbs and power lines were blown down in Whitehall.”
• Isabella County, MI (near Sherman City) · Tornado F0 · $25,000
  “A very brief F0 tornado touched down, and blew an occupied mobile home off it's blocks.”
• Linn County, IA (near Marion Arpt) · Thunderstorm wind 75 mph · $20,000
  “Roof damage to a farm house with a barn collapsed. The barn collapse occurred after the main door had been blown inward. An aerial view indicated a fan shaped pattern of damage indicative of a downburst or microburst.”
• Isabella County, MI (near Mt Pleasant) · Thunderstorm wind 61 mph · $10,000
  “A measured 60 m.p.h. wind gust was reported and several tree limbs and power lines were blown down.”

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