Hail and Damaging Winds in Colorado, August 10, 1994

Name: Hail and Damaging Winds in Colorado, August 10, 1994
Start: 1994-08-10T21:04
End: 1994-08-10T21:30
Location: Colorado

August 10, 1994 · 5 events in 2 counties and zones

3 hail, 2 thunderstorm wind, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 5 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

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: $400,000
Crop damage: None recorded
Events: 5

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

3 hail, 2 thunderstorm wind. Local standard time, as filed.

Hail, Larimer

When: August 10, 9:04 PM MST
Where: Larimer County, Laporte
Measured: 1.75 in hail
Coordinates: 40.666, -105.461 (the zone’s center; the record gives no point)

Thunderstorm Wind, Boulder

When: August 10, 9:20 PM MST
Where: Boulder County
Property damage: $10
Coordinates: 40.093, -105.358 (the zone’s center; the record gives no point)

Hail, Larimer

When: August 10, 9:22 PM MST
Where: Larimer County, Fort Collins (1n)
Measured: 1 in hail
Coordinates: 40.666, -105.461 (the zone’s center; the record gives no point)

Hail, Larimer

When: August 10, 9:30 PM MST
Where: Larimer County, Laporte
Measured: 2 in hail
Property damage: $400,000
Coordinates: 40.666, -105.461 (the zone’s center; the record gives no point)

A line of thunderstorms dropping heavy rain caused significant urban flooding and backed up sewer systems in Lyons. Numerous basements in Lyons were flooded out as well. The main road, extending between Livermore and Red Feather Lakes in Larimer County, was washed out at several locations. Rainfall amounts in upwards of 5.00 inches were reported in northern Larimer county near Virginia Dale.

Thunderstorm Wind, Larimer

When: August 10, 9:30 PM MST
Where: Larimer County, Fort Collins to (Csu Foothills Campus
Coordinates: 40.666, -105.461 (the zone’s center; the record gives no point)

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Colorado in 1994 Every state in 1994 This day in weather history Warnings in Colorado, August 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: 10318753, 10316580, 10318754, 10318755, 10318756.