Hail HistoryHome › Colorado › Boulder County › Louisville
Hail history for Louisville, CO
Hail has been reported within 10 miles of Louisville on 69 days since 2006. The largest stones measured 3 in (tea cup) on Jun 18, 2018. Hail is most common here in June and May.
Recent hail near Louisville
| Date | Hail size | Where |
|---|---|---|
| Jun 26, 2026 | 1 in quarter | Federal Hgt, Broomfield, Northglenn 3 hail reports · closest 8 mi from Louisville |
| Jun 8, 2026 | 0.75 in penny | Jefferson Co Airport 1 hail report · closest 7 mi from Louisville |
| Aug 10, 2025 | 1 in quarter | Niwot, Jefferson Co Airport, Lafayette 6 hail reports · closest 5 mi from Louisville |
| Jul 11, 2025 | 1 in quarter | Louisville, Lafayette, Niwot 4 hail reports · closest 1 mi from Louisville |
| Jun 17, 2025 | 1 in quarter | Broomfield, Northglenn, Louisville 10 hail reports · closest 2 mi from Louisville |
| May 18, 2025 | 1 in quarter | Marshall 2 hail reports · closest 7 mi from Louisville |
| May 14, 2025 | 1.25 in half dollar | Erie 4 hail reports · closest 6 mi from Louisville |
One row per day: the largest hail reported that day within 10 miles, the places and the number of reports.
Hail days near Louisville by year
When hail season peaks near Louisville
Of the 69 hail days since 2006, most fell in June (20) and May (19).
Largest hail storms near Louisville
Jun 18, 2018 · 3 in (tea cup) · Superior (3 mi from Louisville)
Jun 24, 2006 · 2.5 in (tennis ball) · Boulder (9 mi from Louisville)
Jul 5, 2019 · 2.5 in (tennis ball) · Louisville (2 mi from Louisville)
May 9, 2023 · 2 in (hen egg) · Erie (7 mi from Louisville)
Jun 11, 2010 · 1.75 in (golf ball) · Lafayette (3 mi from Louisville)
Tornadoes within 10 miles of Louisville
| Date | Rating | Where |
|---|---|---|
| Aug 3, 2013 | EF0 | Erie 7 mi from Louisville |
| Jun 7, 2009 | EF0 | Northglenn 7 mi from Louisville |
Damaging thunderstorm winds near Louisville
39 reports of damaging thunderstorm wind within 10 miles of Louisville since 2006, on 25 days. The strongest measured gust was 75 mph on Jul 10, 2011.
| Date | Strongest gust | Where |
|---|---|---|
| Aug 30, 2026 | 60 mph, measured | Rocky Flats 1 wind report |
| Jul 24, 2026 | 70 mph, measured | Rocky Flats 1 wind report |
| Jul 10, 2025 | 64 mph, measured | Jefferson Co Airport 1 wind report |
| Jun 17, 2025 | 60 mph, estimated | Northglenn 1 wind report |
| Jul 20, 2024 | 60 mph, measured | Erie, Broomfield 2 wind reports |
| Jul 31, 2023 | 61 mph, measured | Superior 1 wind report |
| Jun 25, 2020 | 60 mph, measured | Jefferson Co Airport 1 wind report |
| Jun 24, 2020 | 67 mph, measured | Jefferson Co Airport 2 wind reports |
| Jun 6, 2020 | 71 mph, measured | Broomfield, Northglenn, Louisville 6 wind reports |
| Jun 17, 2019 | 62 mph, measured | Boulder Airport 1 wind report |
Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.
Filing a roof or car hail claim?
Insurers ask for the date of loss. The dates on this page are when hail was reported near Louisville; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.
Nearby cities
- Boulder
50 hail days - Westminster
70 hail days - Thornton
69 hail days - Arvada
81 hail days - Denver
99 hail days - Lakewood
87 hail days - Aurora
89 hail days - Centennial
124 hail days
Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then). Distances are measured from the center of Louisville.
Run a roofing company or a local news site? Show Louisville's hail history on your website with our free widget →