Northglenn hail storm history
Adams County·NOAA NCEI Storm Events Database·~75-day publication lag
Northglenn, located in Adams County, has experienced 17 hail events of 1 inch or larger over the past 10 years, with the largest recorded hailstone measuring 1.75 inches in diameter. The city's position on the Colorado Front Range makes it vulnerable to afternoon convective storms that track northeast from the Rocky Mountains, creating consistent hail risk during the spring and early summer months.
Hail in Northglenn peaks between May and July, when afternoon storms between 2pm and 7pm MT pose the greatest threat. Of the 17 documented events in the past decade, 6 reached 1.5 inches or larger, typically occurring during this three-month window. Secondary hail activity extends into April and August, though with lower frequency and severity.
Annual frequency — last 10 years
When hail hits — monthly pattern
Avg events per month · all years · NOAA data
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.
Report via mPing.
The report was from mping.
The report was via mping.
Northglenn's hail record is drawn from 23 documented events across Adams County in NOAA's storm reports database. Event counts reflect reported hailstones and verified damage observations; localized storms that did not produce trackable damage reports may not appear in the historical record.
NOAA Storm Events Database source