Hail HistoryHome › Colorado › Boulder County
Boulder County, CO a hail history
2006 thleng Boulder County a 209 hail reports, 67 days a. Stones a pawl 3.00 in (cup tea) a ni Jun 18, 2018 a.
Boulder County a Cities
- Boulder
50 hail days - Longmont
54 hail days - Lafayette
71 hail days - Erie
71 hail days - Louisville
69 hail days - Superior
68 hail days - Gunbarrel
60 hail days - Niwot
62 hail days
Boulder County a hail a pawl
| Date | Size hail | Where |
|---|---|---|
| Jul 28, 2026 | 1.00 in coin 25-cent | Lyons 1 hail report |
| Aug 10, 2025 | 1.00 in coin 25-cent | Niwot, Lafayette 5 hail reports |
| Jul 11, 2025 | 1.00 in coin 25-cent | Louisville, Niwot, Lafayette 4 hail reports |
| Jun 17, 2025 | 1.00 in coin 25-cent | Louisville, Lafayette 5 hail reports |
| May 18, 2025 | 1.00 in coin 25-cent | Marshall 2 hail reports |
One row per day: county a hail a pawl, places leh number of reports.
Boulder County a hail days by year
Boulder County a hail season peak
Damaging thunderstorm winds in Boulder County
21 reports of damaging thunderstorm wind in Boulder County since 2006, on 16 days. The strongest measured gust was 75 mph on Jul 10, 2011.
| Date | Strongest gust | Where |
|---|---|---|
| Jul 28, 2026 | 55 mph, a hrih | Pinewood Springs thlang 1 a thlang |
| Jul 20, 2024 | 61 mph, a hrih | Niwot thlang 1 a thlang |
| Jul 31, 2023 | 61 mph, a hrih | Superior thlang 1 a thlang |
| Jun 6, 2020 | 63 mph, a hrih | Gold Hill, Louisville thlang 2 a thlang |
| Jun 28, 2019 | 58 mph, a hrih | Longmont Muni Airport thlang 1 a thlang |
| Jun 17, 2019 | 62 mph, a hrih | Boulder Airport thlang 1 a thlang |
| Aug 3, 2018 | 67 mph, a hrih | Gold Hill, Boulder thlang 2 a thlang |
| Aug 4, 2017 | 70 mph, a thlang | Niwot thlang 1 a thlang |
| Mar 30, 2014 | 72 mph, a hrih | Longmont thlang 1 a thlang |
| Sep 18, 2013 | 66 mph, a hrih | Boulder thlang 1 a thlang |
Thlang khawm khawm hi 58 mph ahih kha a khawm, ahihman thlang a thlen khawm hi. Station thlang hi weather station tan a hrih; spotter leh survey tan a thlang khawm hi.
Roof kiah car hail claim a thleng?
Insurers a loss date a siam. Hniam tlang a date a, Boulder County ngai a hail a thleng; hail a street a thleng kiah a hla a thleng, so report a address a damage a proof a siam. Licensed roofer kiah insurance adjuster a roof a inspect. Many policies a claim a thleng time limit a set — yours a check.
Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) leh National Weather Service Local Storm Reports (preliminary, since then).