Moderate Cold Wave ● Active
Winter Weather Advisory issued October 28 at 1:21PM AKDT until October 30 at 10:00PM AKDT by NWS Anchorage AK, 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 expected. Visibility one half mile or less at times.
Total snow accumulations 10 to 15 inches.
* WHERE...Thompson Pass.
* WHEN...From 4 AM Friday to 4 AM AKDT Saturday.
* IMPACTS...Travel could be difficult.
* ADDITIONAL DETAILS...Light snow will develop Thursday evening, then
intensify Thursday night into Friday. The heaviest snow is expected
during the day Friday. Warming temperatures on Friday will lead to
a changeover to rain for lower elevations of the pass. The top of
the pass will likely remain all snow.
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Thompson Pass |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Expected |
| Cap Certainty | Likely |
| Cap Expires | 2026-10-29T16:00:00-08:00 |
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 reportThis event as JSON · API and licence
Source updated 1 hour ago (Oct 28, 2026 21:22 UTC) · we last heard from WMO Alert Hub (national weather services) 4 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: Thompson Pass
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.