NOAA NWS / Event history

Freeze Warning issued October 17 at 3:49AM CDT until October 17 at 9:00AM CDT by NWS Aberdeen SD

Freeze Warning · Traverse; Big Stone; Codington; Grant; Hamlin; Deuel. Severe; likely; urgency: expected.

See what changed ↓Detailed event record ↗

Bulletin issued: 17 October 2026 at 08:49 UTC
First saved by us: 16 October 2026 at 17:17 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 Aberdeen SD · Traverse; Big Stone; Codington; Grant; Hamlin; Deuel
Certainty / urgency: Likely / Expected
Message expiry (not hazard end): 17 October 2026 at 14:00 UTC
Forecast onset / end: 17 October 2026 at 08:49 UTC / 17 October 2026 at 14:00 UTC

Archived official description

* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Codington, Deuel, Grant, and Hamlin Counties. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Instructions in this archived message

Take steps now to protect tender plants from the cold.

The saved record

What changed

2 updates · 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 2 changes

Saved by us

17 October 2026 at 09:02 UTC

Version 3

6 recorded details changed

Title: Before
Freeze Warning issued October 16 at 8:15PM CDT until October 17 at 9:00AM CDT by NWS Aberdeen SD
After
Freeze Warning issued October 17 at 3:49AM CDT until October 17 at 9:00AM CDT by NWS Aberdeen SD
Source updated: Before
17 October 2026 at 01:15 UTC
After
17 October 2026 at 08:49 UTC
Effective from: Before
17 October 2026 at 01:15 UTC
After
17 October 2026 at 08:49 UTC
Forecast onset: Before
17 October 2026 at 05:00 UTC
After
17 October 2026 at 08:49 UTC
Official description: Before
…HERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Codington, Deuel, Grant, and Hamlin Counties. * ~~WHEN...From midnight tonight to 9 AM CDT Saturday.~~ * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected o…
After
…HERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Codington, Deuel, Grant, and Hamlin Counties. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected o…
External source link: Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.cafcc42a4c72fdcab2e90b7ab2a896720c65d418.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a309e32a0de0f6ec6829e28317b270ab7f01831a.001.1

Bulletin issued: 17 October 2026 at 08:49 UTC

View saved version 3

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

{
  "id": "nws:5803c0771dd373d7b59ab6bc",
  "authorityId": "urn:oid:2.49.0.1.840.0.a309e32a0de0f6ec6829e28317b270ab7f01831a.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [
    {
      "identifier": "urn:oid:2.49.0.1.840.0.cafcc42a4c72fdcab2e90b7ab2a896720c65d418.001.1",
      "sender": "w-nws.webmaster@noaa.gov"
    }
  ],
  "category": "weather",
  "title": "Freeze Warning issued October 17 at 3:49AM CDT until October 17 at 9:00AM CDT by NWS Aberdeen SD",
  "eventType": "Freeze Warning",
  "occurredAt": "2026-10-17T08:49:00.000Z",
  "issuedAt": "2026-10-17T08:49:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-17T08:49:00.000Z",
  "onsetAt": "2026-10-17T08:49:00.000Z",
  "expiresAt": "2026-10-17T14:00:00.000Z",
  "forecastEndAt": "2026-10-17T14:00:00.000Z",
  "severity": "Severe",
  "urgency": "Expected",
  "certainty": "Likely",
  "messageType": "Update",
  "status": "Source update",
  "place": "Traverse; Big Stone; Codington; Grant; Hamlin; Deuel",
  "coordinates": null,
  "issuer": "NWS Aberdeen SD",
  "summary": "Freeze Warning · Traverse; Big Stone; Codington; Grant; Hamlin; Deuel. Severe; likely; urgency: expected.",
  "description": "* WHAT...Sub-freezing temperatures as low as 30 expected.\n\n* WHERE...In Minnesota, Big Stone and Traverse Counties. In South\nDakota, Codington, Deuel, Grant, and Hamlin Counties.\n\n* WHEN...Until 9 AM CDT this morning.\n\n* IMPACTS...Frost and freeze conditions could kill crops, other\nsensitive vegetation and possibly damage unprotected outdoor\nplumbing.",
  "instruction": "Take steps now to protect tender plants from the cold.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a309e32a0de0f6ec6829e28317b270ab7f01831a.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

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

Saved by us

17 October 2026 at 01:17 UTC

Version 2

Source status changed

Title: Before
Freeze Warning issued October 16 at 12:06PM CDT until October 17 at 9:00AM CDT by NWS Aberdeen SD
After
Freeze Warning issued October 16 at 8:15PM CDT until October 17 at 9:00AM CDT by NWS Aberdeen SD
Source updated: Before
16 October 2026 at 17:06 UTC
After
17 October 2026 at 01:15 UTC
Effective from: Before
16 October 2026 at 17:06 UTC
After
17 October 2026 at 01:15 UTC
Message expiry: Before
17 October 2026 at 05:15 UTC
After
17 October 2026 at 14:00 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:2.49.0.1.840.0.1088bce658852fa76f5d848a1019fb35340d0fde.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.cafcc42a4c72fdcab2e90b7ab2a896720c65d418.001.1

Bulletin issued: 17 October 2026 at 01:15 UTC

View saved version 2

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

{
  "id": "nws:653ee6374303384ce4a3dbab",
  "authorityId": "urn:oid:2.49.0.1.840.0.cafcc42a4c72fdcab2e90b7ab2a896720c65d418.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [
    {
      "identifier": "urn:oid:2.49.0.1.840.0.1088bce658852fa76f5d848a1019fb35340d0fde.001.1",
      "sender": "w-nws.webmaster@noaa.gov"
    }
  ],
  "category": "weather",
  "title": "Freeze Warning issued October 16 at 8:15PM CDT until October 17 at 9:00AM CDT by NWS Aberdeen SD",
  "eventType": "Freeze Warning",
  "occurredAt": "2026-10-17T01:15:00.000Z",
  "issuedAt": "2026-10-17T01:15:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-17T01:15:00.000Z",
  "onsetAt": "2026-10-17T05:00:00.000Z",
  "expiresAt": "2026-10-17T14:00:00.000Z",
  "forecastEndAt": "2026-10-17T14:00:00.000Z",
  "severity": "Severe",
  "urgency": "Expected",
  "certainty": "Likely",
  "messageType": "Update",
  "status": "Source update",
  "place": "Traverse; Big Stone; Codington; Grant; Hamlin; Deuel",
  "coordinates": null,
  "issuer": "NWS Aberdeen SD",
  "summary": "Freeze Warning · Traverse; Big Stone; Codington; Grant; Hamlin; Deuel. Severe; likely; urgency: expected.",
  "description": "* WHAT...Sub-freezing temperatures as low as 30 expected.\n\n* WHERE...In Minnesota, Big Stone and Traverse Counties. In South\nDakota, Codington, Deuel, Grant, and Hamlin Counties.\n\n* WHEN...From midnight tonight to 9 AM CDT Saturday.\n\n* IMPACTS...Frost and freeze conditions could kill crops, other\nsensitive vegetation and possibly damage unprotected outdoor\nplumbing.",
  "instruction": "Take steps now to protect tender plants from the cold.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.cafcc42a4c72fdcab2e90b7ab2a896720c65d418.001.1",
  "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 17:17 UTC

Saved by us

16 October 2026 at 17:17 UTC

Starting point

First saved record

Our first saved version of Freeze Warning issued October 16 at 12:06PM CDT until October 17 at 9:00AM CDT by NWS Aberdeen SD. We have no earlier saved version to compare.

Bulletin issued: 16 October 2026 at 17:06 UTC

View saved version 1

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

{
  "id": "nws:02f3755a433e6d47bbbdf5af",
  "authorityId": "urn:oid:2.49.0.1.840.0.1088bce658852fa76f5d848a1019fb35340d0fde.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Freeze Warning issued October 16 at 12:06PM CDT until October 17 at 9:00AM CDT by NWS Aberdeen SD",
  "eventType": "Freeze Warning",
  "occurredAt": "2026-10-16T17:06:00.000Z",
  "issuedAt": "2026-10-16T17:06:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-16T17:06:00.000Z",
  "onsetAt": "2026-10-17T05:00:00.000Z",
  "expiresAt": "2026-10-17T05:15:00.000Z",
  "forecastEndAt": "2026-10-17T14:00:00.000Z",
  "severity": "Severe",
  "urgency": "Expected",
  "certainty": "Likely",
  "messageType": "Alert",
  "status": "Source alert",
  "place": "Traverse; Big Stone; Codington; Grant; Hamlin; Deuel",
  "coordinates": null,
  "issuer": "NWS Aberdeen SD",
  "summary": "Freeze Warning · Traverse; Big Stone; Codington; Grant; Hamlin; Deuel. Severe; likely; urgency: expected.",
  "description": "* WHAT...Sub-freezing temperatures as low as 30 expected.\n\n* WHERE...In Minnesota, Big Stone and Traverse Counties. In South\nDakota, Codington, Deuel, Grant, and Hamlin Counties.\n\n* WHEN...From midnight tonight to 9 AM CDT Saturday.\n\n* IMPACTS...Frost and freeze conditions could kill crops, other\nsensitive vegetation and possibly damage unprotected outdoor\nplumbing.",
  "instruction": "Take steps now to protect tender plants from the cold.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.1088bce658852fa76f5d848a1019fb35340d0fde.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

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