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Northglenn hail storm history

Adams County·NOAA NCEI Storm Events Database·~75-day publication lag

Northglenn, located in Adams County on Colorado's Front Range, sits directly in the path of afternoon convective storms that track northeast from the Rocky Mountains during spring and early summer. This geographic position exposes the city to recurring hail risk, particularly when upper-level wind patterns channel moisture and instability across the foothills toward the plains.

Events ≥1" (10yr)
32
Significant ≥1.5" (10yr)
10
Avg per year (10yr)
3.2
Largest recorded
2.5"
Most recent
Jun 17, 2025
Total records
41
NOAA storm history
events (10 yr)32
≥1.5" significant10
peak year (11)2024
Free inspection estimate

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Type of damage

How urgent?

Hail risk in Northglenn peaks from May through July, when afternoon heating and atmospheric conditions most frequently support thunderstorm development. Secondary activity occurs in April and August. Most significant hail events in this corridor develop between 2 p.m. and 7 p.m. Mountain Time, when daytime heating is strongest and storm cells moving off the Front Range encounter optimal wind shear.

Annual frequency — last 10 years

2025
6
2024
11
2023
6
2022
no events
2021
2
2020
no events
2019
no events
2018
6
2017
no events
2016
1
≥2.0" severe≥1.5" significant≥1.0" marginal

When hail hits — monthly pattern

Avg events per month · all years · NOAA data

Jan0
Feb0
Mar0
Apr0
May16
Jun16
Jul3
Aug6
Sep0
Oct0
Nov0
Dec0

All recorded hail events

Of 41 recorded events, 10 (24%) reached 1.5" or larger — the threshold for likely functional damage on standard asphalt shingles.

Report from mping.

Jul 21, 20240.75"penny

Report via mPing.

The report was from mping.

The report was via mping.

Jun 21, 20231"quarter
May 26, 20231"quarter
Jun 18, 20181"quarter
Data source

NOAA National Centers for Environmental Information Storm Events Database. Publication lag is approximately 75 days — current-year events may be incomplete.

NOAA Storm Events Database ↗