NOAA NWS / Event history

Freeze Watch issued October 15 at 9:58PM CDT until October 17 at 9:00AM CDT by NWS Chicago IL

Freeze Watch · Winnebago; Boone; Ogle. Severe; possible; urgency: future.

See what changed ↓Detailed event record ↗

Bulletin issued: 16 October 2026 at 02:58 UTC
First saved by us: 15 October 2026 at 19:02 UTC
Last included in a daily record: 16 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 Chicago IL · Winnebago; Boone; Ogle
Certainty / urgency: Possible / Future
Message expiry (not hazard end): 16 October 2026 at 13:00 UTC
Forecast onset / end: 17 October 2026 at 06:00 UTC / 17 October 2026 at 14:00 UTC

Archived official description

* WHAT...Sub-freezing temperatures as low as 30 degrees possible. * WHERE...Boone, Ogle, and Winnebago Counties. * WHEN...From late Friday night through Saturday 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

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

16 October 2026 at 03:02 UTC

Version 2

Source status changed

Title: Before
Freeze Watch issued October 15 at 1:58PM CDT until October 17 at 9:00AM CDT by NWS Chicago IL
After
Freeze Watch issued October 15 at 9:58PM CDT until October 17 at 9:00AM CDT by NWS Chicago IL
Source updated: Before
15 October 2026 at 18:58 UTC
After
16 October 2026 at 02:58 UTC
Effective from: Before
15 October 2026 at 18:58 UTC
After
16 October 2026 at 02:58 UTC
Message expiry: Before
16 October 2026 at 05:00 UTC
After
16 October 2026 at 13:00 UTC
Message type: Before
Alert
After
Update
Source status: Before
Source alert
After
Source update
Official description: Before
* WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Boone, Ogle, and Winnebago Counties. * WHEN...From late Friday night through Saturday morning. * …
After
* WHAT...Sub-freezing temperatures as low as 30 degrees possible. * WHERE...Boone, Ogle, and Winnebago Counties. * WHEN...From late Friday night through Saturday morning. * …
External source link: Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.14fea440b79e1f8b7412e6c4808dd9be4bc0489f.002.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.9b29385076eed4a794258d44b3fa0385849ebf58.002.1

Bulletin issued: 16 October 2026 at 02:58 UTC

View saved version 2

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

{
  "id": "nws:d8efa2a10aed9dfe2bfadabb",
  "authorityId": "urn:oid:2.49.0.1.840.0.9b29385076eed4a794258d44b3fa0385849ebf58.002.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [
    {
      "identifier": "urn:oid:2.49.0.1.840.0.14fea440b79e1f8b7412e6c4808dd9be4bc0489f.002.1",
      "sender": "w-nws.webmaster@noaa.gov"
    },
    {
      "identifier": "urn:oid:2.49.0.1.840.0.4ca45d93a1e7ece4db07c7fcbc9b5cf628d3524b.002.1",
      "sender": "w-nws.webmaster@noaa.gov"
    }
  ],
  "category": "weather",
  "title": "Freeze Watch issued October 15 at 9:58PM CDT until October 17 at 9:00AM CDT by NWS Chicago IL",
  "eventType": "Freeze Watch",
  "occurredAt": "2026-10-16T02:58:00.000Z",
  "issuedAt": "2026-10-16T02:58:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-16T02:58:00.000Z",
  "onsetAt": "2026-10-17T06:00:00.000Z",
  "expiresAt": "2026-10-16T13:00:00.000Z",
  "forecastEndAt": "2026-10-17T14:00:00.000Z",
  "severity": "Severe",
  "urgency": "Future",
  "certainty": "Possible",
  "messageType": "Update",
  "status": "Source update",
  "place": "Winnebago; Boone; Ogle",
  "coordinates": null,
  "issuer": "NWS Chicago IL",
  "summary": "Freeze Watch · Winnebago; Boone; Ogle. Severe; possible; urgency: future.",
  "description": "* WHAT...Sub-freezing temperatures as low as 30 degrees possible.\n\n* WHERE...Boone, Ogle, and Winnebago Counties.\n\n* WHEN...From late Friday night through Saturday 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:2.49.0.1.840.0.9b29385076eed4a794258d44b3fa0385849ebf58.002.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

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

First saved record · 15 October 2026 at 19:02 UTC

Saved by us

15 October 2026 at 19:02 UTC

Starting point

First saved record

Our first saved version of Freeze Watch issued October 15 at 1:58PM CDT until October 17 at 9:00AM CDT by NWS Chicago IL. We have no earlier saved version to compare.

Bulletin issued: 15 October 2026 at 18:58 UTC

View saved version 1

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

{
  "id": "nws:aa42b926cd8136275b9ed3d2",
  "authorityId": "urn:oid:2.49.0.1.840.0.14fea440b79e1f8b7412e6c4808dd9be4bc0489f.002.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Freeze Watch issued October 15 at 1:58PM CDT until October 17 at 9:00AM CDT by NWS Chicago IL",
  "eventType": "Freeze Watch",
  "occurredAt": "2026-10-15T18:58:00.000Z",
  "issuedAt": "2026-10-15T18:58:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-15T18:58:00.000Z",
  "onsetAt": "2026-10-17T06:00:00.000Z",
  "expiresAt": "2026-10-16T05:00:00.000Z",
  "forecastEndAt": "2026-10-17T14:00:00.000Z",
  "severity": "Severe",
  "urgency": "Future",
  "certainty": "Possible",
  "messageType": "Alert",
  "status": "Source alert",
  "place": "Winnebago; Boone; Ogle",
  "coordinates": null,
  "issuer": "NWS Chicago IL",
  "summary": "Freeze Watch · Winnebago; Boone; Ogle. Severe; possible; urgency: future.",
  "description": "* WHAT...Sub-freezing temperatures as low as 30 possible.\n\n* WHERE...Boone, Ogle, and Winnebago Counties.\n\n* WHEN...From late Friday night through Saturday 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:2.49.0.1.840.0.14fea440b79e1f8b7412e6c4808dd9be4bc0489f.002.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

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