Alert archive / Colorado / Winter Storm Warnings in 2026
Winter Storm Warning 5, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at May 4, 2026, 12:51 AM MDT for 16 counties in Colorado. It took effect at May 5, 2026, 12:00 AM MDT. It was in force for 37 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 4, 2026, 12:51 AM MDT (06:51 UTC)
- In effect from
- May 5, 2026, 12:00 AM MDT
- Expired
- May 6, 2026, 1:27 PM MDT
- In force
- 37 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Summit County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 59 km from the middle of the area, began a volume at 06:49 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Denver/Boulder, CO wrote its last area forecast discussion before this winter storm warning went out at May 4, 12:01 AM MDT, 50 minutes earlier.
Area forecast discussion, May 4, 12:01 AM MDT, 50 minutes before
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</html>The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 12:51 AM MDT | Winter Weather Advisory | BOU | Adams, Arapahoe, Elbert, Grand, Jackson, Lincoln and 5 more | 61 hr |
| May 4, 12:59 PM MDT | Freeze Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more | 23 hr |
Nearby
Winter Storm Warnings in Colorado, 2026Every winter storm warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.