Storm Event Report

Alton, IA Hail and Wind Storm Report

Jul 28, 2025 | Alton, Sioux County, IA | 2025-07-28 severe weather window

Alton, IA storm report for 2025-07-28. We found 0 hail reports (max none measured) and 2 wind/tornado reports (peak none measured, including 0 tornado reports).

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Impacted Places

Alton

Hail Stats

Reports
0
Severe Reports
0

Wind Stats

Reports
2
Tornado Reports
0

Ring Impact (1mi / 3mi / 10mi)

hail

Events within 1 mile
0
Events within 3 miles
0
Events within 10 miles
0
Severe days within 10 miles
0
Max within 10 miles
-

wind

Events within 1 mile
2
Events within 3 miles
3
Events within 10 miles
4
Severe days within 10 miles
1
Max within 10 miles
-

Verified Event Log (5-Year Window)

DateHazardIntensityDistanceLocationSource
2025-07-28windWind report-Alton, IANOAA SPC
2025-07-28windWind report-Alton, IANOAA SPC

Social media report of building damage at the lumber yard in Alton. Estimated winds of 80 kts. Timing and winds estimated by radar. (FSD)

On the east side of town... an enclosed trailer was flipped on its side by thunderstorm wind gusts. (FSD)

Report Highlights

  • Alton recorded 0 hail reports on 2025-07-28.
  • 2 wind/tornado reports were also observed in the same convective window.
  • Alton recorded 2 wind/tornado reports on 2025-07-28.
  • 0 hail reports provide companion context for mixed-hazard risk.

Data & Methodology

Noaa Spc
2
  • Derived from NOAA SPC daily severe weather reports.

Explore More Reports

Timeline

  1. 2025-07-28T04:17:00Z

    Wind Wind report

    On the east side of town... an enclosed trailer was flipped on its side by thunderstorm wind gusts. (FSD)

  2. 2025-07-28T03:40:00Z

    Wind Wind report

    Social media report of building damage at the lumber yard in Alton. Estimated winds of 80 kts. Timing and winds estimated by radar. (FSD)