Tornado Warning Issued for Phillips and Sedgwick Counties, CO
This alert is no longer in effect.
NOAA issued it on June 15, 2026, 2 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Denver has issued a Tornado Warning for eastern Phillips County and southeastern Sedgwick County in northeastern Colorado until 7:30 PM MDT.
Read this weather record in 30 seconds
- Record type
- Tornado Warning
- Affected area
- Northeastern Colorado
- Issued
- June 15, 2026
- Issuing authority
- NWS Denver CO
Tornado warnings are short-window notices for the named area. The issuing office is the authority on whether the warning remains active or has been replaced.
Record status: historical. It was issued 2 months ago; use the issuing agency's live warning service for current conditions in Northeastern Colorado.
Alert Details
Tornado Warning issued by NWS Denver CO. Effective from 2026-05-30T18:39:00-06:00 until 2026-05-30T19:30:00-06:00. Event code: TOW. Severity: Extreme. Urgency: Immediate. Certainty: Observed.
Affected Areas
Eastern Phillips County and southeastern Sedgwick County in northeastern Colorado. Locations impacted include Holyoke, Amherst, Pleasant Valley, and Sixteen-Mile Corner.
What You Should Do
Move to an interior room on the lowest floor of a well-built building away from windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris.
Expected Conditions
At 6:39 PM MDT, a severe thunderstorm capable of producing a tornado was located 8 miles southeast of Holyoke, moving north at 25 mph. Hazard: Tornado. Source: Radar indicated rotation. Impacts include dangerous flying debris, damage to mobile homes, roofs, windows, vehicles, and likely tree damage.
Timeline
Alert effective immediately on 2026-05-30T18:39:00-06:00 and expires 2026-05-30T19:30:00-06:00.
Original source: NOAA Official Notice ↗
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,080 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to June 15, 2026.
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