Tornado Warning Issued for Adams and Washington Counties, CO
This alert is no longer in effect.
NOAA issued it on June 17, 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 East Central Adams County and West Central Washington County in northeastern Colorado until 4:15 PM MDT.
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- Record type
- Tornado Warning
- Affected area
- Northeastern Colorado
- Issued
- June 17, 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 2026-06-01T15:24:00-06:00 until 2026-06-01T16:15:00-06:00. Severity: Extreme. Certainty: Observed. Urgency: Immediate.
Affected Areas
East Central Adams County and West Central Washington County in northeastern Colorado. Mainly rural areas. Storm was located 8 miles south of Shamrock or 33 miles south of Fort Morgan at time of issuance.
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
Tornado and golf ball size hail (1.75 inches). Radar indicated rotation. Severe thunderstorm moving northeast at 15 mph.
Timeline
Alert effective June 1 at 3:24 PM MDT until June 1 at 4:15 PM MDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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 (889 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to June 17, 2026.
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