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History of hail for Boulder County, CO

Mvula ya mabanga ya nsuka na countyJul 28, 20261.00 in (moneni ya 25-cent)

Jours de grêle, 12 derniers mois1

Plus grosse grêle depuis 20063.00 in (mabala ma tea cup)Jun 18, 2018

Jours de grêle depuis 200667

Jours avec grêle de 1 pouce ou plus45

Mpepe ya ngolo na county1

Rapports de vents destructeurs dans le comté21

209 hail reports in Boulder County since 2006 over 67 days. Largest stones measured 3.00 in (mabala ma tea cup) on Jun 18, 2018.

Cities in Boulder County

Recent hail in Boulder County

Lumbu	Bukulu bwa mabulu	Ekolo	Mvutu
Jul 28, 2026	1.00 in moneni ya 25-cent	Lyons nsangu 1 ya mabulu	Nsangu ya mpepeto ya NWS (ya ntete)
Aug 10, 2025	1.00 in moneni ya 25-cent	Niwot, Lafayette masangu 5 ya mabulu	Bimvwete bya NOAA
Jul 11, 2025	1.00 in moneni ya 25-cent	Louisville, Niwot, Lafayette masangu 4 ya mabulu	Bimvwete bya NOAA
Jun 17, 2025	1.00 in moneni ya 25-cent	Louisville, Lafayette masangu 5 ya mabulu	Bimvwete bya NOAA
May 18, 2025	1.00 in moneni ya 25-cent	Marshall masangu 2 ya mabulu	Bimvwete bya NOAA

One row per day: largest hail reported in the county that day, locations, and number of reports.

Days with hail in Boulder County by year

Peak hail season in Boulder County

Mpepe ya mvula ya ngolo na County ya Boulder

21 nsangu za mphepo ya ngolo ya mvula na County ya Boulder banda 2006, na 16 mikolo. Mpepo ya ngolo ya mvula yandi kakala 75 mph na Jul 10, 2011.

Lumbu	Mpepeto ya ngolo	Ekolo	Mvutu
Jul 28, 2026	55 mph, mesuré	Pinewood Springs 1 rapport de vent	Nsangu ya mpepeto ya NWS (ya ntete)
Jul 20, 2024	61 mph, mesuré	Niwot 1 rapport de vent	Bimvwete bya NOAA
Jul 31, 2023	61 mph, mesuré	Superior 1 rapport de vent	Bimvwete bya NOAA
Jun 6, 2020	63 mph, mesuré	Gold Hill, Louisville 2 rapports de vent	Bimvwete bya NOAA
Jun 28, 2019	58 mph, mesuré	Longmont Muni Airport 1 rapport de vent	Bimvwete bya NOAA
Jun 17, 2019	62 mph, mesuré	Boulder Airport 1 rapport de vent	Bimvwete bya NOAA
Aug 3, 2018	67 mph, mesuré	Gold Hill, Boulder 2 rapports de vent	Bimvwete bya NOAA
Aug 4, 2017	70 mph, estimé	Niwot 1 rapport de vent	Bimvwete bya NOAA
Mar 30, 2014	72 mph, mesuré	Longmont 1 rapport de vent	Bimvwete bya NOAA
Sep 18, 2013	66 mph, mesuré	Boulder 1 rapport de vent	Bimvwete bya NOAA

Le vent d'orage violent signifie des rafales de 58 mph ou plus, ou un vent ayant causé des dégâts. Les rafales mesurées proviennent des stations météo ; les estimations viennent des observateurs et des enquêtes sur les dégâts.

Ke tulaka claim ya ntu ya kintwadi to kintwadi?

Bakompani ya assurance ke baka ntangu ya mpasi. Ntangu ya page oyo ke ntangu ya mabulu na Boulder County; mabulu ke fwete kaka na nzila mosi mpi ke fwete ve na nzila ya nkaka, yo ke bika claim ya damage na adirese na nge. Muntu ya kuzinga ntu ya kintwadi to adjuster ya assurance na nge ke fwete tala ntu ya kintwadi. Bakompani mingi ke zaba ntangu ya claim — tala ya nge.

Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then).