Severe Cold Wave ● Active
Freeze Warning issued October 18 at 2:22AM EDT until October 18 at 9:00AM EDT by NWS Upton NY, United States of America
Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.
* WHAT...Sub freezing temperatures in the upper 20s and lower 30s
expected.
* WHERE...In Connecticut, Northern Fairfield, Northern Middlesex,
Northern New Haven, and Northern New London Counties. In New
Jersey, Western Passaic County. In New York, Orange and Putnam
Counties.
* WHEN...Until 9 AM EDT this morning.
* IMPACTS...Frost and freeze conditions could kill crops and other
sensitive vegetation.
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Northern Fairfield; Northern New Haven; Northern Middlesex; Northern New London; Western Passaic; Orange; Putnam |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Expected |
| Cap Certainty | Likely |
| Cap Expires | 2026-10-18T09:00:00-04:00 |
Official source
Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.
This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.
Severity as published by WMO Alert Hub (national weather services).
View original reportThis event as JSON · API and licence
Source updated 1 day ago (Oct 18, 2026 06:23 UTC) · we last heard from WMO Alert Hub (national weather services) 1 minute ago
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About this location
The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.
Area as the agency stated it: Northern Fairfield; Northern New Haven; Northern Middlesex; Northern New London; Western Passaic; Orange; Putnam
Official authorities in United States
If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.
More for United States →What to do
Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.
Hypothermia and frostbite prevention, home heating safety, and surviving being stranded in a vehicle.
Open Severe Cold & Winter Storm Safety →Earlier cold wave events in United States
Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.
Nearby & related events
Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.