Hail HistoryHome › Colorado › Boulder County › Boulder
Boulder, CO hail history
Hail hi Boulder 10 mile a hlaa 50 khathu ah 2006 thlang a thlang. Stone khawm 3.00 in (cup tea) hi Jun 18, 2018 ah a khawm. Hail hi June leh July ah a khawm khawm.
Boulder ranks #89 for hail days among the 311 U.S. cities of 100,000 or more people. Ranking hmu →
Hail thlang Boulder a hlaa
| Date | Size hail | Where |
|---|---|---|
| Aug 23, 2025 | 0.75 in coin 1-cent | Rollinsville 1 hail report · Boulder a hlaa 9 mile |
| Aug 10, 2025 | 1.00 in coin 25-cent | Niwot 3 hail reports · Boulder a hlaa 6 mile |
| Jul 11, 2025 | 1.00 in coin 25-cent | Louisville, Niwot 3 hail reports · Boulder a hlaa 6 mile |
| Jun 17, 2025 | 1.00 in coin 25-cent | Louisville 1 hail report · Boulder a hlaa 8 mile |
| May 18, 2025 | 1.00 in coin 25-cent | Marshall 2 hail reports · Boulder a hlaa 2 mile |
Khathu ah row 1: khathu ah hail khawm 10 mile a hlaa, place leh report number.
Boulder ngai a hail thil thleng a hniam tlang
Boulder ngai a hail season a thleng
2006 thleng a hniam tlang a 50 hail thleng a, a hla a June (15) in July (12) a thleng.
Boulder ngai a hail storm a hla
Jun 18, 2018 · 3.00 in (cup tea) · Superior (9 mi from Boulder)
Jun 24, 2006 · 2.50 in (kuk tennis) · Boulder (2 mi from Boulder)
Jul 5, 2019 · 2.50 in (kuk tennis) · Louisville (8 mi from Boulder)
Jul 3, 2007 · 2.00 in (khawm khawm) · Rollins (9 mi from Boulder)
Jun 22, 2009 · 2.00 in (khawm khawm) · Crescent (9 mi from Boulder)
Damaging thunderstorm winds near Boulder
17 reports of damaging thunderstorm wind within 10 miles of Boulder since 2006, on 12 days. The strongest measured gust was 75 mph on Jul 10, 2011.
| Date | Strongest gust | Where |
|---|---|---|
| Jul 10, 2025 | 64 mph, a hrih | Jefferson Co Airport 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 17, 2019 | 62 mph, a hrih | Boulder Airport thlang 1 a thlang |
| Aug 3, 2018 | 67 mph, a hrih | Gold Hill, Boulder, Jefferson Co Airport thlang 3 a thlang |
| Sep 18, 2013 | 66 mph, a hrih | Boulder thlang 1 a thlang |
| Jul 10, 2011 | 75 mph, a hrih | Superior, Louisville thlang 2 a thlang |
| Jun 30, 2011 | 64 mph, a hrih | Boulder Airport thlang 1 a thlang |
| Aug 19, 2010 | 62 mph, a hrih | Boulder thlang 2 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 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.
Ngai a cities
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89 hail days - Highlands Ranch
85 hail days - Centennial
124 hail days
Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) kiah National Weather Service Local Storm Reports (preliminary, since then). Distances a Boulder center a measure.
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