NOAA NWS / Event history

Freeze Warning issued October 16 at 8:38PM MDT until October 17 at 9:00AM MDT by NWS Denver CO

Freeze Warning · Sedgwick County; Phillips County. Severe; likely; urgency: expected.

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Bulletin issued: 17 October 2026 at 02:38 UTC
First saved by us: 16 October 2026 at 17:32 UTC
Last included in a daily record: 17 October 2026
The linked daily edition preserves what we captured that UTC day; this event page is not a live warning.
Source classification: Severe · Source update

A recent feed check does not mean a new observation. This page preserves source records; it does not establish current safety or warning status.

Issuer / area: NWS Denver CO · Sedgwick County; Phillips County
Certainty / urgency: Likely / Expected
Message expiry (not hazard end): 17 October 2026 at 15:00 UTC
Forecast onset / end: 17 October 2026 at 06:00 UTC / 17 October 2026 at 15:00 UTC

Archived official description

* WHAT...Sub-freezing temperatures of 26 to 29 degrees expected. * WHERE...Julesburg, and Holyoke. * WHEN...From midnight tonight to 9 AM MDT Saturday. * IMPACTS...Freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Most of the northeast plains of Colorado will drop below freezing tonight. However, this Freeze Warning will only be in effect for locations that did not see a hard or killing freeze (temperatures closer to 28F) last night.

Instructions in this archived message

Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.

The saved record

What changed

1 update · 1 first record

Each update compares two versions we saved. This may not include every update from the source. A missing report does not mean an event has ended.

Showing 1 change

Saved by us

17 October 2026 at 02:47 UTC

Version 2

Source status changed

Title: Before
Freeze Warning issued October 16 at 11:26AM MDT until October 17 at 9:00AM MDT by NWS Denver CO
After
Freeze Warning issued October 16 at 8:38PM MDT until October 17 at 9:00AM MDT by NWS Denver CO
Source updated: Before
16 October 2026 at 17:26 UTC
After
17 October 2026 at 02:38 UTC
Effective from: Before
16 October 2026 at 17:26 UTC
After
17 October 2026 at 02:38 UTC
Message type: Before
Alert
After
Update
Source status: Before
Source alert
After
Source update
External source link: Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4fa329b7014136c7df9efc45b18019e30d599ea7.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.ce358087678c39bd503d82b2107d73bcf864f1e6.001.1

Bulletin issued: 17 October 2026 at 02:38 UTC

View saved version 2

Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.

{
  "id": "nws:dd5c543c0a0e83ab1e221b46",
  "authorityId": "urn:oid:2.49.0.1.840.0.ce358087678c39bd503d82b2107d73bcf864f1e6.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [
    {
      "identifier": "urn:oid:2.49.0.1.840.0.4fa329b7014136c7df9efc45b18019e30d599ea7.001.1",
      "sender": "w-nws.webmaster@noaa.gov"
    }
  ],
  "category": "weather",
  "title": "Freeze Warning issued October 16 at 8:38PM MDT until October 17 at 9:00AM MDT by NWS Denver CO",
  "eventType": "Freeze Warning",
  "occurredAt": "2026-10-17T02:38:00.000Z",
  "issuedAt": "2026-10-17T02:38:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-17T02:38:00.000Z",
  "onsetAt": "2026-10-17T06:00:00.000Z",
  "expiresAt": "2026-10-17T15:00:00.000Z",
  "forecastEndAt": "2026-10-17T15:00:00.000Z",
  "severity": "Severe",
  "urgency": "Expected",
  "certainty": "Likely",
  "messageType": "Update",
  "status": "Source update",
  "place": "Sedgwick County; Phillips County",
  "coordinates": null,
  "issuer": "NWS Denver CO",
  "summary": "Freeze Warning · Sedgwick County; Phillips County. Severe; likely; urgency: expected.",
  "description": "* WHAT...Sub-freezing temperatures of 26 to 29 degrees expected.\n\n* WHERE...Julesburg, and Holyoke.\n\n* WHEN...From midnight tonight to 9 AM MDT Saturday.\n\n* IMPACTS...Freeze conditions could kill crops, other sensitive\nvegetation and possibly damage unprotected outdoor plumbing.\n\n* ADDITIONAL DETAILS...Most of the northeast plains of Colorado will\ndrop below freezing tonight. However, this Freeze Warning will only\nbe in effect for locations that did not see a hard or killing\nfreeze (temperatures closer to 28F) last night.",
  "instruction": "Take steps now to protect tender plants from the cold.\n\nTo prevent water pipes from freezing; wrap or drain or allow them to\ndrip slowly.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.ce358087678c39bd503d82b2107d73bcf864f1e6.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

The external page may have changed since this version was saved.

First saved record · 16 October 2026 at 17:32 UTC

Saved by us

16 October 2026 at 17:32 UTC

Starting point

First saved record

Our first saved version of Freeze Warning issued October 16 at 11:26AM MDT until October 17 at 9:00AM MDT by NWS Denver CO. We have no earlier saved version to compare.

Bulletin issued: 16 October 2026 at 17:26 UTC

View saved version 1

Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.

{
  "id": "nws:ff805bb901da8f5a98c0bd74",
  "authorityId": "urn:oid:2.49.0.1.840.0.4fa329b7014136c7df9efc45b18019e30d599ea7.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Freeze Warning issued October 16 at 11:26AM MDT until October 17 at 9:00AM MDT by NWS Denver CO",
  "eventType": "Freeze Warning",
  "occurredAt": "2026-10-16T17:26:00.000Z",
  "issuedAt": "2026-10-16T17:26:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-16T17:26:00.000Z",
  "onsetAt": "2026-10-17T06:00:00.000Z",
  "expiresAt": "2026-10-17T15:00:00.000Z",
  "forecastEndAt": "2026-10-17T15:00:00.000Z",
  "severity": "Severe",
  "urgency": "Expected",
  "certainty": "Likely",
  "messageType": "Alert",
  "status": "Source alert",
  "place": "Sedgwick County; Phillips County",
  "coordinates": null,
  "issuer": "NWS Denver CO",
  "summary": "Freeze Warning · Sedgwick County; Phillips County. Severe; likely; urgency: expected.",
  "description": "* WHAT...Sub-freezing temperatures of 26 to 29 degrees expected.\n\n* WHERE...Julesburg, and Holyoke.\n\n* WHEN...From midnight tonight to 9 AM MDT Saturday.\n\n* IMPACTS...Freeze conditions could kill crops, other sensitive\nvegetation and possibly damage unprotected outdoor plumbing.\n\n* ADDITIONAL DETAILS...Most of the northeast plains of Colorado will\ndrop below freezing tonight. However, this Freeze Warning will only\nbe in effect for locations that did not see a hard or killing\nfreeze (temperatures closer to 28F) last night.",
  "instruction": "Take steps now to protect tender plants from the cold.\n\nTo prevent water pipes from freezing; wrap or drain or allow them to\ndrip slowly.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4fa329b7014136c7df9efc45b18019e30d599ea7.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

The external page may have changed since this version was saved.