Alert archive / Colorado / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 375, NWS Denver/Boulder, CO

August 30, 2026Boulder County, Gilpin County, Jefferson County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Aug 30, 2026, 1:53 PM MDT for Boulder County, Gilpin County, Jefferson County, Colorado. It was in force for 24 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
Aug 30, 2026, 1:53 PM MDT (19:53 UTC)
Expired
Aug 30, 2026, 2:17 PM MDT
In force
24 min
Issued by
NWS Denver/Boulder, CO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Boulder County, CO, Gilpin County, CO, Jefferson County, CO

The radar

The Denver radar (KFTG), 71 km from the middle of the area, began a volume at 19:56 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 office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 6:26 PM MDTSpecial Weather StatementBOUElbert49 min
Aug 29, 6:28 PM MDTSpecial Weather StatementBOUWeld47 min
Aug 30, 12:53 PM MDTSpecial Weather StatementBOUSummit52 min
Aug 30, 1:43 PM MDTSpecial Weather StatementBOUGilpin32 min
Aug 30, 2:00 PM MDTSevere Thunderstorm WarningBOUClear Creek, Gilpin, Jefferson15 min
Aug 30, 2:10 PM MDTSevere Thunderstorm WarningBOUBoulder, Broomfield, Clear Creek, Gilpin, Jefferson35 min
Aug 30, 2:32 PM MDTSpecial Weather StatementBOUBroomfield, Denver, Jefferson43 min
Aug 30, 3:20 PM MDTSpecial Weather StatementBOUBoulder, Gilpin115 min
Aug 30, 5:25 PM MDTSpecial Weather StatementBOULincoln50 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2026Every severe thunderstorm 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.