Alert archive / Colorado / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 27, NWS Denver/Boulder, CO

May 30, 2026Weld County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 30, 2026, 3:18 PM MDT for Weld County, Colorado. It was in force for 27 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: May 30, 2026, 3:18 PM MDT (21:18 UTC)
Expired: May 30, 2026, 3:45 PM MDT
In force: 27 min
Issued by: NWS Denver/Boulder, CO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Weld County, CO

The radar

The Cheyenne radar (KCYS), 75 km from the middle of the area, began a volume at 21:19 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.

Issued	Product	Office	Lasted
May 30, 2:13 PM MDT	Severe Thunderstorm Watch	SPC	7 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 May 30, 2:21 PM MDT, 57 minutes earlier.

Area forecast discussion, May 30, 2:21 PM MDT, 57 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 3:39 PM MDT	Special Weather Statement	BOU	Weld	36 min
May 30, 3:57 PM MDT	Severe Thunderstorm Warning	BOU	Weld	33 min
May 30, 5:01 PM MDT	Severe Thunderstorm Warning	BOU	Phillips	44 min
May 30, 5:33 PM MDT	Severe Thunderstorm Warning	BOU	Washington	27 min
May 30, 5:43 PM MDT	Severe Thunderstorm Warning	BOU	Logan	32 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2026 Every 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.