Lafayette hail storm history
Boulder County·NOAA NCEI Storm Events Database·~75-day publication lag
Lafayette, located in Boulder County, has experienced 1 hail event of 1 inch or larger over the past 10 years, with the largest recorded hailstone measuring 1 inch in diameter. The city sits on the Front Range where afternoon convective storms tracking northeast from the Rocky Mountains create the primary conditions for hail formation in this region.
Hail risk in Lafayette peaks between May and July, with secondary risk extending into April and August. Most significant hail events in this area occur between 2 p.m. and 7 p.m. Mountain Time, when afternoon heating triggers convective storm development along the Front Range.
Annual frequency — last 10 years
When hail hits — monthly pattern
Avg events per month · all years · NOAA data
All recorded hail events
Of 25 recorded events, 12 (48%) reached 1.5" or larger — the threshold for likely functional damage on standard asphalt shingles.
Report from mping.
The report was from mping.
Large hail broke car windows.
A severe thunderstorm destroyed over 200 acres of corn.
Lafayette's low hail event count reflects both the city's relatively protected position on the Front Range and the density of NOAA reporting stations in Boulder County. The single recorded 1-inch event in the past decade provides limited statistical basis for predicting future hail risk, though Boulder County records document 5 total hail events during this period.
NOAA Storm Events Database source