Severe Thunderstorm Warning for Areas Near Seibert in Cheyenne and Kit Carson Counties, CO

Source: NOAA · East Central Colorado

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NWS Goodland KS has issued a Severe Thunderstorm Warning for north central Cheyenne County and southwestern Kit Carson County in east central Colorado until 10:45 PM MDT.

30 seconds on this weather notice

Record type
Severe Thunderstorm Warning
Affected area
East Central Colorado
Issued
September 21, 2026
Issuing authority
NWS Goodland KS

Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.

Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.

Alert Details

A Severe Thunderstorm Warning (SVR) has been issued by the National Weather Service in Goodland KS. The alert is effective from September 20, 2026 at 9:56 PM MDT until September 20, 2026 at 10:45 PM MDT.

Affected Areas

The warning covers north central Cheyenne County in east central Colorado and southwestern Kit Carson County in east central Colorado. At 9:56 PM MDT, the severe thunderstorm was located 9 miles south of Seibert, moving east at 35 mph.

What You Should Do

For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

Expected Conditions

At 9:56 PM MDT, a severe thunderstorm was located 9 miles south of Seibert. Hazards include 60 mph wind gusts and quarter size hail (1.00 inch). Radar indicated the source of the information.

Timeline

The warning is in effect from September 20, 2026 at 9:56 PM MDT and expires at September 20, 2026 at 10:45 PM MDT.

Original source: NOAA Official Notice ↗

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What People Ask

Questions readers often have about this NWS weather alert.

What is this NWS weather alert about?
NWS Goodland KS has issued a Severe Thunderstorm Warning for north central Cheyenne County and southwestern Kit Carson County in east central Colorado until 10:45 PM MDT.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects East Central Colorado. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.