Colorado, 2025

Winter Weather in Colorado, December 4 to 5, 2025

December 4 to 5, 2025 · NWS GJT · 1 event in 1 county or zone

A shortwave trough on the heels of a series of disturbances accompanied an increase in moisture from the northwest to produce moderate snowfall across the Elkheads and Park Range Mountains in northwest Colorado due to persistent northwest orographic flow.

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

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 GJT wrote it up.

A shortwave trough on the heels of a series of disturbances accompanied an increase in moisture from the northwest to produce moderate snowfall across the Elkheads and Park Range Mountains in northwest Colorado due to persistent northwest orographic flow.

The radar

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

Open the radar archive at this moment

Event by event

1 winter weather. Local standard time, as filed.

Winter Weather, Elkhead and Park Mountains

When
December 4, 6:00 PM MST to December 5, 3:00 PM MST
Where
Elkhead and Park Mountains forecast zone
Reported by
SNOTEL
Coordinates
40.552, -107.599 (the zone’s center; the record gives no point)

Generally 6 to 12 inches of snow fell across the area with locally higher amounts up to 15.6 inches of snow at Whiskey Park.

What these are

Winter Weather
Snow, sleet or freezing rain below warning levels that still caused disruption, damage or casualties.

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

The same day elsewhere

More

Every storm in Colorado in 2025Every state in 2025This day in weather historyWarnings 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 2026-10-01. Each event’s entry at NCEI: 1308281.