Hail, Arapahoe
- When
- June 18, 1:00 PM MST
- Where
- Arapahoe County, Aurora
- Measured
- 1 in hail
- Coordinates
- 39.650, -104.339 (the zone’s center; the record gives no point)
Tornadoes and Hail in Colorado, June 18, 1994
11 hail, 4 tornado, as filed by the National Weather Service.
Where it happened
Every event with a place to put it; 15 filed by county or forecast zone are drawn at its center, in a lighter ring. 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
- None recorded
- Crop damage
- None recorded
- Events
- 15
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
11 hail, 4 tornado. Local standard time, as filed.
Hail, Denver
- When
- June 18, 1:05 PM MST
- Where
- Denver County, Denver
- Measured
- 1.25 in hail
- Coordinates
- 39.762, -104.876 (the zone’s center; the record gives no point)
Hail, Weld
- When
- June 18, 1:27 PM MST
- Where
- Weld County, Brighton
- Measured
- 1.75 in hail
- Coordinates
- 40.555, -104.392 (the zone’s center; the record gives no point)
Tornado, Weld
- When
- June 18, 1:44 PM MST
- Where
- Weld County, Platteville
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 10 yd
- Coordinates
- 40.555, -104.392 (the zone’s center; the record gives no point)
Spotters reported a brief tornado touchdown in an open field south southwest of Platteville (28 miles north northeast of Denver). No damage or injuries were reported.
Hail, Arapahoe
- When
- June 18, 1:56 PM MST
- Where
- Arapahoe County, Aurora
- Measured
- 0.75 in hail
- Coordinates
- 39.650, -104.339 (the zone’s center; the record gives no point)
Hail, Adams
- When
- June 18, 2:00 PM MST
- Where
- Adams County, Brighton
- Measured
- 0.75 in hail
- Coordinates
- 39.874, -104.338 (the zone’s center; the record gives no point)
Hail, Jefferson
- When
- June 18, 2:10 PM MST
- Where
- Jefferson County, Arvada
- Measured
- 0.75 in hail
- Coordinates
- 39.586, -105.250 (the zone’s center; the record gives no point)
Hail, Jefferson
- When
- June 18, 2:15 PM MST
- Where
- Jefferson County, Arvada
- Measured
- 0.75 in hail
- Coordinates
- 39.586, -105.250 (the zone’s center; the record gives no point)
Hail, Boulder
- When
- June 18, 2:40 PM MST
- Where
- Boulder County, Louisville
- Measured
- 1 in hail
- Coordinates
- 40.093, -105.358 (the zone’s center; the record gives no point)
Hail, Boulder
- When
- June 18, 2:46 PM MST
- Where
- Boulder County, Louisville
- Measured
- 1 in hail
- Coordinates
- 40.093, -105.358 (the zone’s center; the record gives no point)
Hail, Boulder
- When
- June 18, 3:16 PM MST
- Where
- Boulder County, Boulder
- Measured
- 1 in hail
- Coordinates
- 40.093, -105.358 (the zone’s center; the record gives no point)
Hail, Boulder
- When
- June 18, 3:27 PM MST
- Where
- Boulder County, Boulder
- Measured
- 1.5 in hail
- Coordinates
- 40.093, -105.358 (the zone’s center; the record gives no point)
Tornado, Lincoln
- When
- June 18, 4:25 PM MST
- Where
- Lincoln County, Genoa
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 10 yd
- Coordinates
- 38.988, -103.514 (the zone’s center; the record gives no point)
Spotters reported three brief tornado touchdowns in open fields west and south of Genoa (10 miles east of Limon). No damage or injuries were reported.
Tornado, Lincoln
- When
- June 18, 5:43 PM MST
- Where
- Lincoln County, Genoa
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 10 yd
- Coordinates
- 38.988, -103.514 (the zone’s center; the record gives no point)
Spotters reported three brief tornado touchdowns in open fields west and south of Genoa (10 miles east of Limon). No damage or injuries were reported.
Tornado, Lincoln
- When
- June 18, 5:43 PM MST
- Where
- Lincoln County, Genoa
- Rating
- F0
- Path length
- 0.1 mi
- Path width
- 10 yd
- Coordinates
- 38.988, -103.514 (the zone’s center; the record gives no point)
Spotters reported three brief tornado touchdowns in open fields west and south of Genoa (10 miles east of Limon). No damage or injuries were reported.
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 and Damaging Winds in Iowa, June 18, 1994
- Tornadoes and Hail in Maine, June 18, 1994
- Tornado and Damaging Winds in Georgia, June 18, 1994
- Damaging Winds in Arkansas, June 18, 1994
- Hail and Damaging Winds in Texas, June 18, 1994
- Hail and Damaging Winds in Ohio, June 18, 1994
- Hail in Mississippi, June 18, 1994
- Hail and Damaging Winds in Pennsylvania, June 18, 1994
- Damaging Winds in New Hampshire, June 18, 1994
- Hail in Nebraska, June 18, 1994
- Hail and Damaging Wind in Florida, June 18, 1994
- Damaging Winds in New Jersey, June 18, 1994
More
Every storm in Colorado in 1994Every state in 1994This day in weather historyThe tornado archive for Colorado, 1994Warnings in Colorado, June 1994
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: 10316707, 10318779, 10318280, 10318318, 10316708, 10316653, 10317181, 10317182, 10316573, 10316574, 10316575, 10316576, 10318480, 10318481, 10318482.