Hail, Boulder
- When
- June 18, 3:50 PM CST
- Where
- Boulder County
- Measured
- 1.15 in hail
- Coordinates
- 39.980, -105.130
Tornadoes and Hail in Colorado, June 18, 1987
7 hail, 3 tornado, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $25,000
- Crop damage
- None recorded
- Events
- 10
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
Event by event
7 hail, 3 tornado. Local standard time, as filed.
Hail, Jefferson
- When
- June 18, 4:14 PM CST
- Where
- Jefferson County
- Measured
- 1.5 in hail
- Coordinates
- 39.770, -105.220
Tornado, Larimer
- When
- June 18, 4:20 PM MST
- Where
- Larimer County
- Rating
- F1
- Path length
- 1 mi
- Path width
- 40 yd
- Property damage
- $25,000
- Coordinates
- 40.570, -105.570
Hail, Douglas
- When
- June 18, 6:06 PM CST
- Where
- Douglas County
- Measured
- 1 in hail
- Coordinates
- 39.370, -104.870
Hail, Douglas
- When
- June 18, 6:25 PM CST
- Where
- Douglas County
- Measured
- 1.75 in hail
- Coordinates
- 39.230, -104.870
Tornado, Douglas
- When
- June 18, 5:44 PM MST
- Where
- Douglas County
- Rating
- F1
- Path length
- 0.2 mi
- Path width
- 20 yd
- Coordinates
- 39.370, -104.870
Hail, Elbert
- When
- June 18, 6:50 PM CST
- Where
- Elbert County
- Measured
- 1 in hail
- Coordinates
- 39.350, -104.600
Tornado, Elbert
- When
- June 18, 7:57 PM MST
- Where
- Elbert County
- Rating
- F1
- Path length
- 0.5 mi
- Path width
- 23 yd
- Coordinates
- 39.350, -104.470
Hail, Lincoln
- When
- June 18, 9:08 PM CST
- Where
- Lincoln County
- Measured
- 1.75 in hail
- Coordinates
- 39.130, -103.470
Hail, Lincoln
- When
- June 18, 10:59 PM CST
- Where
- Lincoln County
- Measured
- 1.75 in hail
- Coordinates
- 39.270, -103.700
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes in Wyoming, June 18, 1987
- Tornado and Hail in Florida, June 18, 1987
- Damaging Winds in South Carolina, June 18, 1987
- Damaging Winds in Alabama, June 18, 1987
- Hail and Damaging Winds in North Carolina, June 18, 1987
- Damaging Winds in Iowa, June 18, 1987
- Damaging Winds in Georgia, June 18, 1987
- Damaging Winds in Wisconsin, June 18, 1987
- Hail in Nebraska, June 18, 1987
- Hail and Damaging Wind in Tennessee, June 18, 1987
- Damaging Wind in Oklahoma, June 18, 1987
- Hail in South Dakota, June 18, 1987
More
Every storm in Colorado in 1987Every state in 1987This day in weather historyThe tornado archive for Colorado, 1987Warnings in Colorado, June 1987
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 9987020, 9987021, 9987022, 9987024, 9987025, 9987023, 9987026, 9987027, 9987028, 9987029.