Warning Vector

Flood Watch

NWS Great Falls MT ยท US

Updated
This event was updated at .

Details

Flood Watch Remains In Effect Until 6 PM MDT This Evening

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

Description

What

Flooding caused by excessive rainfall continues to be possible.

Where

The Canyon Ferry Area, Helena Valley, and Meagher County Valleys in Central Montana

When

Until 6 PM MDT this evening.

Impacts

Excessive runoff may result in flooding of low-lying and flood-prone locations.

Additional details

- An area of rain will bring additional precipitation amounts to around 0.5 inch today, with locally higher amounts near the mountains. - Some locations impacted include Helena, Townsend, White Sulphur Springs, and Bozeman. - http://www.weather.gov/safety/flood

Instructions

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Affected areas

  • Helena Valley
  • Meagher County Valleys
  • Canyon Ferry Area
  • Gallatin Valley

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
01M2X6PXNK5RH98YKAJRAKFNWR
Identifier
urn:oid:2.49.0.1.840.0.d3d6722f13f442cb58c20434b65119a4c18bd08f.003.1
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.5647
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

Event codes

NameValue
SAMEFFA
NationalWeatherServiceFAA

Parameters

NameValue
AWIPSidentifierFFATFX
WMOidentifierWGUS65 KTFX 191606
NWSheadlineFLOOD WATCH REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.CON.KTFX.FA.A.0008.000000T0000Z-260920T0000Z/
eventEndingTime2026-09-19T18:00:00-06:00
BLOCKCHANNELCMAS
expiredReferencesw-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.01a07f6d7ad77a23df805e8d21e3a41344e89d6e.002.1,2026-09-18T10:39:00-06:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.01a07f6d7ad77a23df805e8d21e3a41344e89d6e.001.2,2026-09-18T10:39:00-06:00
Locations

Location data

  • Helena Valley
  • Meagher County Valleys
  • Canyon Ferry Area
  • Gallatin Valley
NameValue
SAME030049
SAME030059
SAME030007
SAME030031
UGCMTZ319
UGCMTZ321
UGCMTZ323
UGCMTZ326