Erie hail storm history
Boulder County·NOAA NCEI Storm Events Database·~75-day publication lag
Erie, located in Boulder County, has recorded 9 hail events of 1 inch or larger over the past 10 years, with an average of 0.9 events annually. The town sits on the Front Range where afternoon convective storms tracking northeast from the Rocky Mountains create conditions for hail development. The largest recorded hailstone in Erie measured 1.5 inches, comparable to a ping pong ball.
Hail risk in Erie peaks during May, June, and July, with secondary activity in April and August. Most significant hail events occur between 2pm and 7pm Mountain Time when afternoon heating intensifies convective storm development along the Front Range. The most recent recorded event in Erie occurred on June 17, 2025.
Annual frequency — last 10 years
When hail hits — monthly pattern
Avg events per month · all years · NOAA data
All recorded hail events
Of 35 recorded events, 6 (17%) reached 1.5" or larger — the threshold for likely functional damage on standard asphalt shingles.
The report was from mPING.
Report from mping.
Report via mPing.
The report was via mping.
Large hail smashed the windshield and the rear window of a vehicle. The roof of a home was damaged …
Report from Mping.
Erie's hail event count of 9 represents events documented in National Weather Service records and may not capture all hail occurrence, particularly smaller stones or events in areas with sparse weather station coverage. Boulder County as a whole has 16 documented hail events in NOAA records, providing broader regional context for hail frequency.
NOAA Storm Events Database source