Hail history in Black Hawk County, IA
Hail of 1 inch or larger was reported in Black Hawk County on 5 days between Jan 1, 2025 and Oct 26, 2026. The largest was 2.50 in (tennis ball) on Apr 14, 2026, near 1 ENE Waterloo.
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Every hail day in Black Hawk County
| Storm day | Largest hail | Reports | Near | |
|---|---|---|---|---|
| Aug 7, 2026 | 1.25 in (half dollar) | 2 | 5 SE Readlyn | Report for this date → |
| Apr 15, 2026 | 1.00 in (quarter) | 2 | 1 W La Porte City | Report for this date → |
| Apr 14, 2026 | 2.50 in (tennis ball) | 9 | 1 ENE Waterloo | Report for this date → |
| Sep 16, 2025 | 1.25 in (half dollar) | 3 | 2 SE Waterloo | Report for this date → |
| Sep 15, 2025 | 1.25 in (half dollar) | 2 | 5 SSW Washburn | Report for this date → |
When hail falls in Black Hawk County
Where hail was reported
Places named in the reports, given as distance and direction from the nearest town, as the National Weather Service logs them.
- 1 ENE Waterloo3 reports
- 1 SSE Cedar Falls1 report
- 1 SW Evansdale1 report
- 1 SW Waterloo1 report
- 1 W Cedar Falls1 report
- 1 W La Porte City1 report
- 1 WSW Cedar Falls1 report
- 2 SE Waterloo1 report
- 2 SSE Hudson1 report
- 3 N Raymond1 report
More hail history in Iowa
See a sample satellite hail report →
Source and method
NOAA Storm Prediction Center preliminary local storm reports of hail 1 inch or larger, Jan 1, 2025 to Oct 26, 2026 (updated Oct 27, 2026). Dates are SPC storm days, which run from 12:00 UTC to 12:00 UTC (about 7 a.m. to 7 a.m. Central), so a late-night storm appears on the day it started. Reports come from spotters, the public and NWS offices: they can be revised, and a storm nobody reported is missing. SPC storm reports.
A Skybridge report goes further for one address and date: GOES satellite cloud-top and lightning data, NOAA MRMS radar hail size and these storm reports within 50 km, in one document reviewed by a person, with a code anyone can verify.