Moderate Cold Wave ● Active
Winter Weather Advisory issued October 28 at 8:17AM PDT until October 28 at 11:00PM PDT by NWS Portland OR, 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...Snow above 4500 feet. Additional snow accumulations of 1 to
3 inches, except 3 to 6 inches above 6000 feet.
* WHERE...In Oregon, North Oregon Cascades. In Washington, South
Washington Cascades.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Roads, and especially bridges and overpasses, will likely
become slick and hazardous.
* ADDITIONAL DETAILS...Snow showers are expected through this evening
and will gradually decrease tonight.
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | North Oregon Cascades; South Washington Cascades |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Expected |
| Cap Certainty | Likely |
| Cap Expires | 2026-10-28T17:45:00-07:00 |
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 hour ago (Oct 28, 2026 15:19 UTC) · we last heard from WMO Alert Hub (national weather services) 37 seconds 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: North Oregon Cascades; South Washington Cascades
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.