Severe Severe Storm ● Closed

High Wind Watch issued September 11 at 11:36AM MDT until September 13 at 9:00PM MDT by NWS Great Falls MT, 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...Southwest winds 30 to 40 mph with gusts up to 60 mph
possible.

* WHERE...Madison River Valley.

* WHEN...From Sunday afternoon through Sunday evening.

* IMPACTS...Damaging winds could blow down trees and power lines.
Widespread power outages are possible. Travel could be difficult,
especially for high profile vehicles.

Measurements

Coordinates39.9645, -100.8105
RegionMadison River Valley
Location Precisioncountry
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyFuture
Cap CertaintyPossible
Cap Expires2026-09-12T02:45:00-06:00

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 report

This event as JSON · API and licence

Source updated 38 days ago (Sep 11, 2026 17:38 UTC) · we last heard from WMO Alert Hub (national weather services) 47 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: Madison River 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.

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Earlier severe storm 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.