Highlands Ranch hail storm history
Douglas County·NOAA NCEI Storm Events Database·~75-day publication lag
Highlands Ranch, an unincorporated community in Douglas County, has experienced 5 hailstorms of 1 inch or larger over the past 10 years, averaging 0.5 events annually. The area sits on the Colorado Front Range, where afternoon convective storms moving northeast from the Rocky Mountains create the conditions for hail formation. The largest recorded hailstone in Highlands Ranch measured 1 inch in diameter.
Hail risk in Highlands Ranch peaks between May and July, with secondary activity in April and August. Most significant hail events occur during afternoon hours between 2pm and 7pm Mountain Time, when convective heating is strongest. The timing and location reflect Highlands Ranch's exposure to northeast-tracking thunderstorms that develop 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 31 recorded events, 4 (13%) reached 1.5" or larger — the threshold for likely functional damage on standard asphalt shingles.
The report was from mPING.
Report via mPing.
The report was received via social media. The location and time were estimated.
The 5 documented events in Highlands Ranch over 10 years represent a relatively low frequency, typical of unincorporated areas where NOAA reporting density may be lower than in incorporated municipalities. Douglas County as a whole has 6 documented hail events in NOAA records, indicating that localized storm tracking and measurement gaps may affect event counts for smaller communities.
NOAA Storm Events Database source