Alert archive / Colorado / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 183, NWS Denver/Boulder, CO

June 29, 2025Larimer County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 29, 2025, 2:35 PM MDT for Larimer County, Colorado. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 29, 2025, 2:35 PM MDT (20:35 UTC)
Expired
Jun 29, 2025, 3:15 PM MDT
In force
40 min
Issued by
NWS Denver/Boulder, CO
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Larimer County, CO

The radar

The Cheyenne radar (KCYS), 77 km from the middle of the area, began a volume at 20:35 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 29, 1:45 PM MDTSevere Thunderstorm WatchSPC9 hr

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jun 28, 3:07 PM MDT, 23 hours 28 minutes earlier.

Area forecast discussion, Jun 28, 3:07 PM MDT, 23 hours 28 minutes before
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The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 29, 2:24 PM MDTSpecial Weather StatementBOULarimer51 min
Jun 29, 2:54 PM MDTSpecial Weather StatementBOUBoulder36 min
Jun 29, 3:07 PM MDTSpecial Weather StatementBOUWeld38 min
Jun 29, 3:12 PM MDTSevere Thunderstorm WarningBOULarimer16 min
Jun 29, 3:16 PM MDTSevere Thunderstorm Warning Considerable damage threatBOUWeld44 min
Jun 29, 3:44 PM MDTSevere Thunderstorm WarningBOUWeld31 min
Jun 29, 3:47 PM MDTSevere Thunderstorm WarningBOUBoulder, Larimer43 min
Jun 29, 4:13 PM MDTSevere Thunderstorm WarningBOUWeld47 min
Jun 29, 4:28 PM MDTSpecial Weather StatementBOUBoulder47 min
Jun 29, 5:50 PM MDTSpecial Weather StatementBOULincoln40 min
Jun 29, 5:58 PM MDTSpecial Weather StatementBOUElbert32 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2025Every severe thunderstorm warning in 2025

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.