Warning Vector

Flash Flood Watch

NWS Great Falls MT ยท US

Updated
This event was updated at .

Details

Flash Flood Watch For The Horse Gulch And Burn Scars Of 2026 Remains In Effect Through This Evening

Event
Flash Flood Watch
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Future
Severity
Severe
Certainty
Possible
Response
Monitor

Description

What

Flash flooding and debris flows caused by excessive rainfall are possible over the Horse Gulch area and burn scars from the summer of 2026.

Where

A portion of central Montana, including the following areas, Big Belt, Bridger and Castle Mountains, Elkhorn and Boulder Mountains and Little Belt and Highwood Mountains.

When

Through this evening.

Impacts

Heavy rainfall over the Horse Gulch area and burn scars from the summer of 2026 is expected up to and during the period of the watch. Residents near the Horse Gulch area and burn scars from the summer of 2026 should prepare for potential debris flow. Be sure to stay up to date with information from local authorities. Heavy rainfall could trigger flash flooding of low-lying areas, urbanized street flooding, and debris flows in and near recent wildfire burn scars.

Additional details

- National Weather Service Meteorologists are forecasting heavy rainfall over recent burn scars, which may lead to flash flooding and debris flows. - Some locations that may experience flash flooding include... Areas near recent burn scars from the summer 2026 and the Horse Gulch area. - http://www.weather.gov/safety/flood

Instructions

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Affected areas

  • Little Belt and Highwood Mountains
  • Big Belt, Bridger and Castle Mountains
  • Elkhorn and Boulder Mountains

Public contact

Issuer
NWS Great Falls MT

Message record

Received
Issue to receipt
~40s
CAP status
Actual
CAP message type
Update
Lifecycle
Updated
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2X6PXKCAKMJXACG2BTYJ7ZJ
Identifier
urn:oid:2.49.0.1.840.0.d3d6722f13f442cb58c20434b65119a4c18bd08f.002.1
Sender
w-nws.webmaster@noaa.gov
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Great Falls MT
AWIPS ID
CAPTFX
NWWS sequence
nwws_processor.5646
WMO heading
XOUS55
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
55

References

Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent

Event codes

NameValue
SAMEFFA
NationalWeatherServiceFFA

Parameters

NameValue
AWIPSidentifierFFATFX
WMOidentifierWGUS65 KTFX 191606
NWSheadlineFLASH FLOOD WATCH FOR THE HORSE GULCH AND BURN SCARS OF 2026 REMAINS IN EFFECT THROUGH THIS EVENING
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.CON.KTFX.FF.A.0007.000000T0000Z-260920T0600Z/
eventEndingTime2026-09-20T00:00:00-06:00
BLOCKCHANNELCMAS
expiredReferencesw-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.01a07f6d7ad77a23df805e8d21e3a41344e89d6e.004.1,2026-09-18T10:39:00-06:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.fb5a12567f51b31f1d640bff8cf9c1babe4bc489.002.1,2026-09-18T03:21:00-06:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.4b7fe3fa5985c944a69ce01f4a0b01117e46fdc3.002.1,2026-09-17T10:18:00-06:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9a2296c45acc8b0c852e7dee6463b74edefee8e6.004.1,2026-09-17T11:11:00-06:00
Locations

Location data

  • Little Belt and Highwood Mountains
  • Big Belt, Bridger and Castle Mountains
  • Elkhorn and Boulder Mountains
NameValue
SAME030013
SAME030059
SAME030045
SAME030015
SAME030049
SAME030007
SAME030031
SAME030043
UGCMTZ317
UGCMTZ320
UGCMTZ322