Moderate Cold Wave ● Active

Winter Weather Advisory issued October 19 at 5:22AM AKDT until October 21 at 4:00AM AKDT by NWS Anchorage AK, United States of America

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

* WHAT...Snow expected. Total snow accumulations between 6 and 12
inches. Highest amounts between Eureka and Sheep Mountain.

* WHERE...Eureka / Tahneta Pass and Western Copper Valley.

* WHEN...From 10 PM this evening to 4 AM AKDT Wednesday.

* IMPACTS...Travel could be difficult. Be prepared for slippery
roads.

* ADDITIONAL DETAILS...Occasional light snow today will give way to
steadier snowfall this evening through Tuesday evening before
slowly tapering off by Wednesday morning. The heaviest snow is
expected to fall between early Tuesday morning and Tuesday evening.
Up to 6 inches of snow is expected around Mendeltna with higher
amounts farther west along the Glenn Highway.

Measurements

Coordinates39.9645, -100.8105
RegionEureka / Tahneta Pass; Western Copper Valley
Location Precisioncountry
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyExpected
Cap CertaintyLikely
Cap Expires2026-10-19T16:00:00-08:00

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 report

Also reported by: WMO WMO

This event as JSON · API and licence

Source updated 6 hours ago (Oct 19, 2026 13:23 UTC) · we last heard from WMO Alert Hub (national weather services) 45 seconds ago

On a slow connection? Low-bandwidth version — no map, no scripts, under 14 KB.

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: Eureka / Tahneta Pass; Western Copper Valley

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.