Heavy Snow in Colorado, December 3 to 4, 2025

Name: Heavy Snow in Colorado, December 3 to 4, 2025
Start: 2025-12-03T02:00
End: 2025-12-04T22:00
Location: Colorado

December 3 to 4, 2025 · NWS PUB · 17 events in 17 counties and zones

Right near the start of the month, a positively-tilted trough swung through the Rockies, bringing strong forcing and banded snow to the mountains and eastern plains.

Where it happened

Every event with a place to put it; 17 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: None recorded
Crop damage: None recorded
Events: 17

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.

What happened

The episode as NWS PUB wrote it up.

Right near the start of the month, a positively-tilted trough swung through the Rockies, bringing strong forcing and banded snow to the mountains and eastern plains.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pueblo, CO wrote its last area forecast discussion before the first event at Dec 2, 10:28 PM MST, 3 hours 32 minutes earlier.

Area forecast discussion, Dec 2, 10:28 PM MST, 3 hours 32 minutes before

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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

17 heavy snow. Local standard time, as filed.

Heavy Snow, Teller County / Rampart Range Above 7500 Ft / Pikes Peak Between 7500 & 11000 Ft

When: December 3, 2:00 AM MST to December 4, 2:00 AM MST
Where: Teller County / Rampart Range Above 7500 Ft / Pikes Peak Between 7500 & 11000 Ft forecast zone
Reported by: CoCoRaHS
Coordinates: 38.729, -105.043 (the zone’s center; the record gives no point)

There was 10.3 inches of snow measured.

Heavy Snow, Northern El Paso County / Monument Ridge / Rampart Range Below 7500 Ft

When: December 3, 2:00 AM MST to December 4, 2:00 AM MST
Where: Northern El Paso County / Monument Ridge / Rampart Range Below 7500 Ft forecast zone
Reported by: COOP Observer
Coordinates: 38.832, -104.526 (the zone’s center; the record gives no point)

There was 9.6 inches of snow measured.

Heavy Snow, Wet Mountains Between 8500 and 10000 Ft

When: December 3, 8:00 AM MST to December 4, 2:00 AM MST
Where: Wet Mountains Between 8500 and 10000 Ft forecast zone
Reported by: COOP Observer
Coordinates: 38.110, -105.070 (the zone’s center; the record gives no point)

There was 10.0 inches of snow measured.

Heavy Snow, Westcliffe Vicinity / Wet Mountain Valley Below 8500 Ft

When: December 3, 8:00 AM MST to December 4, 2:00 AM MST
Where: Westcliffe Vicinity / Wet Mountain Valley Below 8500 Ft forecast zone
Reported by: CoCoRaHS
Coordinates: 37.897, -105.164 (the zone’s center; the record gives no point)

There was 8.6 inches of snow measured.

Heavy Snow, West / Central Fremont County Below 8500 Ft

When: December 3, 8:00 AM MST to 8:00 PM MST
Where: West / Central Fremont County Below 8500 Ft forecast zone
Reported by: Trained Spotter
Coordinates: 38.473, -105.440 (the zone’s center; the record gives no point)

There was 4.6 inches of snow measured.

Heavy Snow, Walsenburg Vicinity / Upper Huerfano River Basin Below 7500 Ft

When: December 3, 8:00 AM MST to December 4, 2:00 AM MST
Where: Walsenburg Vicinity / Upper Huerfano River Basin Below 7500 Ft forecast zone
Reported by: CoCoRaHS
Coordinates: 37.685, -104.961 (the zone’s center; the record gives no point)

There was 4.6 inches of snow measured.

Heavy Snow, Trinidad Vicinity / Lower Huerfano River Basin & Western Las Animas County Below 7500 Ft

When: December 3, 8:00 AM MST to December 4, 2:00 AM MST
Where: Trinidad Vicinity / Lower Huerfano River Basin & Western Las Animas County Below 7500 Ft forecast zone
Reported by: CoCoRaHS
Coordinates: 37.316, -104.039 (the zone’s center; the record gives no point)

There was 6.1 inches of snow measured.

Heavy Snow, Southern Sangre de Cristo Mountains Between 7500 & 11000 Ft

When: December 3, 8:00 AM MST to December 4, 2:00 AM MST
Where: Southern Sangre de Cristo Mountains Between 7500 & 11000 Ft forecast zone
Reported by: CoCoRaHS
Coordinates: 37.426, -104.809 (the zone’s center; the record gives no point)

There was 12.4 inches of snow measured.

Heavy Snow, Southern San Luis Valley

When: December 3, 8:00 AM MST to December 4, 2:00 AM MST
Where: Southern San Luis Valley forecast zone
Reported by: CoCoRaHS
Coordinates: 37.240, -105.810 (the zone’s center; the record gives no point)

There was 10.5 inches of snow measured.

Heavy Snow, Pueblo Vicinity / Pueblo County Below 6300 Ft

When: December 3, 8:00 AM MST to December 4, 10:00 PM MST
Where: Pueblo Vicinity / Pueblo County Below 6300 Ft forecast zone
Reported by: Broadcast Media
Coordinates: 38.173, -104.513 (the zone’s center; the record gives no point)

There was 10.0 inches of snow measured.

Heavy Snow, La Junta Vicinity / Otero County

When: December 3, 8:00 AM MST to December 4, 2:00 AM MST
Where: La Junta Vicinity / Otero County forecast zone
Reported by: CoCoRaHS
Coordinates: 37.903, -103.716 (the zone’s center; the record gives no point)

There was 3.7 inches of snow measured.

Heavy Snow, Eastern Sawatch Mountains Above 11000 Ft

When: December 3, 8:00 AM MST to December 4, 2:00 AM MST
Where: Eastern Sawatch Mountains Above 11000 Ft forecast zone
Reported by: Public
Coordinates: 38.677, -106.274 (the zone’s center; the record gives no point)

There was 7.0 inches of snow measured.

Heavy Snow, Eastern San Juan Mountains Above 10000 Ft

When: December 3, 8:00 AM MST to December 4, 2:00 AM MST
Where: Eastern San Juan Mountains Above 10000 Ft forecast zone
Reported by: Public
Coordinates: 37.484, -106.500 (the zone’s center; the record gives no point)

There was 12.0 inches of snow measured.

Heavy Snow, Del Norte Vicinity / Northern San Luis Valley Below 8500 Ft

When: December 3, 8:00 AM MST to December 4, 2:00 AM MST
Where: Del Norte Vicinity / Northern San Luis Valley Below 8500 Ft forecast zone
Reported by: CoCoRaHS
Coordinates: 37.832, -106.332 (the zone’s center; the record gives no point)

There was 11.5 inches of snow measured.

Heavy Snow, Colorado Springs Vicinity / Southern El Paso County / Rampart Range Below 7500 Ft

When: December 3, 8:00 AM MST to December 4, 2:00 AM MST
Where: Colorado Springs Vicinity / Southern El Paso County / Rampart Range Below 7500 Ft forecast zone
Reported by: CoCoRaHS
Coordinates: 38.832, -104.526 (the zone’s center; the record gives no point)

There was 10.5 inches of snow measured.

Heavy Snow, Central Chaffee County Below 9000 Ft

When: December 3, 8:00 AM MST to December 4, 2:00 AM MST
Where: Central Chaffee County Below 9000 Ft forecast zone
Reported by: CoCoRaHS
Coordinates: 38.747, -106.194 (the zone’s center; the record gives no point)

There was 6.8 inches of snow measured.

Heavy Snow, Canon City Vicinity / Eastern Fremont County

When: December 3, 8:00 AM MST to December 4, 2:00 AM MST
Where: Canon City Vicinity / Eastern Fremont County forecast zone
Reported by: CoCoRaHS
Coordinates: 38.488, -105.323 (the zone’s center; the record gives no point)

There was 6.3 inches of snow measured.

What these are

Heavy Snow: Snowfall reaching the local warning threshold without the other hazards of a winter storm.

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

The same day elsewhere

Every storm in Colorado in 2025 Every state in 2025 This day in weather history Warnings in Colorado, December 2025

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 2026-09-30. Each event’s entry at NCEI: 1306775, 1306780, 1306768, 1306769, 1306771, 1306772, 1306773, 1306776, 1306777, 1306779, 1306782, 1306783, 1306784, 1306786, 1306787, 1306788, 1306789.