Hail in Boulder County, Colorado
Hail July 11, 2025 · Boulder County, Colorado
0.75 in
Hail diameter
Where the report was made, with tornadoes recorded within 15 miles over the years.
The wider storm
Severe thunderstorms across northeast Colorado during the late afternoon and early evening hours. The storms ranged from Boulder County east across Weld, Morgan, and Logan Counties.
Began near Niwot (40.0600, -105.1700).
Other tornadoes from the same storm system
1 more tornado the National Weather Service filed under this storm episode.
Source: NOAA Storm Events Database, event 1271399. Narratives are written by the National Weather Service forecast office that issued the report.
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