Severe Cold Wave ● Closed
Winter Storm Watch issued October 8 at 1:30PM MDT until October 11 at 6:00PM MDT by NWS Missoula MT, 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...Heavy snow possible. Total snow accumulations between 3 and
7 inches possible. Winds could gust as high as 45 mph.
* WHERE...Homestake Pass, Butte, Georgetown Lake, MacDonald Pass, and
Highway 12 Garrison to Elliston.
* WHEN...From Saturday evening through Sunday afternoon.
* IMPACTS...Travel could be very difficult. The strong winds and
weight of snow on tree limbs may down power lines and could cause
sporadic power outages.
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Butte/Blackfoot Region |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Future |
| Cap Certainty | Possible |
| Cap Expires | 2026-10-08T21:30:00-06:00 |
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 11 days ago (Oct 8, 2026 19:31 UTC) · we last heard from WMO Alert Hub (national weather services) 30 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: Butte/Blackfoot Region
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.