Low-bandwidth version · full page with map

Winter Storm Warning issued October 9 at 11:29AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT, United States of America

severe

Severity as published by WMO Alert Hub (national weather services).

Source

WMO Alert Hub (national weather services) — official source

Time

9 October 2026, 17:29 UTC (Oct 9, 2026)

Area

Big Belt, Bridger and Castle Mountains, United States
39.965, -100.811

What this is

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

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.
Full severe cold & winter storm safety

Who to contact

National Weather Service · FEMA · USGS Earthquake Hazards

This site is not an emergency service and does not issue warnings.

Location

No map is loaded here. A map means downloading image tiles from another service, which is the slowest thing on the full page and the first thing to fail on a weak connection. The coordinates are above if you need them.