Flood Watch

NWS Billings MT · US

Updated

This event was updated at 2026-09-20 23:52:00 UTC.

Details

Flood Watch Remains In Effect Through Sunday Afternoon

Event: Flood Watch
Issued: 2026-09-19 04:59:00 UTC
Onset: 2026-09-19 04:59:00 UTC
Message expires: 2026-09-20 05:00:00 UTC
Expected end: 2026-09-21 00:00:00 UTC
Category: Meteorological
Urgency: Future
Severity: Severe
Certainty: Possible
Response: Prepare

Description

What

Flooding caused by excessive rainfall is possible, along with Flash Flooding of recent burn scars.

Where

All of South Central and Southeast Montana, and Sheridan County Wyoming.

When

Through Sunday afternoon.

Impacts

Excessive runoff may result in flooding of creeks and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas.

Additional details

- 1 to 3 inches of additional rainfall is expected across the watch area through Sunday. Locally heavier totals over 4 inches are possible where thunderstorm activity is more persistent. - The Robertson Draw, East Side, Elk, and McGhee-Remington burn scars are particularly vulnerable to Flash Flooding and debris flows during the watch period. Any other burn scars from this summer will have elevated Flash Flood potential as well. - http://www.weather.gov/safety/flood

Instructions

Please monitor 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

Musselshell County, MT
Treasure County, MT
Northern Rosebud
Custer County, MT
Northern Stillwater
Powder River County, MT
Northern Park
Golden Valley County, MT
Red Lodge Foothills
Northern Big Horn
Southern Rosebud
Judith Gap
Paradise Valley
Livingston Area
Beartooth Foothills
Absaroka/Beartooth Mountains
Crazy Mountains
Southern Big Horn
Southeastern Carbon
Northern Sweet Grass
Bighorn Canyon
Northern Carbon
Pryor/Northern Bighorn Mountains
Melville Foothills
Northeastern Yellowstone
Southern Wheatland
Southwestern Yellowstone
Northeast Bighorn Mountains
Sheridan Foothills

Public contact

Issuer: NWS Billings MT
Website: http://www.weather.gov

Message record

Received: 2026-09-19 04:59:25 UTC
Issue to receipt: ~26s
CAP status: Actual
CAP message type: Update
Lifecycle: Updated
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M2W0H5EMT9STMTM8C8RF09MV
Identifier: urn:oid:2.49.0.1.840.0.8c87b71d95eac4db7941bb280ea7c48fc2c72e30.002.1
Sender: w-nws.webmaster@noaa.gov
Scope: Public
CAP source: 211803 v2.3.0
Handling codes: IPAWSv1.0
Issuing office: NWS Billings MT
AWIPS ID: CAPBYZ
NWWS sequence: nwws_processor.7063
WMO heading: XOUS55
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 55

References

Identifier: urn:oid:2.49.0.1.840.0.309f9698f9ce5d972641ebb29cf0c74da0d35ff7.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-18 08:50:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.334b5785451dd5aa9b8851b3cc29dd622860119d.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-18 17:03:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.334b5785451dd5aa9b8851b3cc29dd622860119d.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-18 17:03:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.3d731050f18766a72fe34f4de85bb9f8d0a6055d.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-18 01:33:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.3e954a282c9b159907643d486829c9a0a3a31521.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-17 18:06:00 UTC

Event codes

Name	Value
SAME	FFA
NationalWeatherService	FAA

Parameters

Name	Value
AWIPSidentifier	FFABYZ
WMOidentifier	WGUS65 KBYZ 190459
NWSheadline	FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY AFTERNOON
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
EAS-ORG	WXR
VTEC	/O.CON.KBYZ.FA.A.0004.000000T0000Z-260921T0000Z/
eventEndingTime	2026-09-20T18:00:00-06:00
BLOCKCHANNEL	CMAS
expiredReferences	w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3d731050f18766a72fe34f4de85bb9f8d0a6055d.001.1,2026-09-17T19:33:00-06:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3e954a282c9b159907643d486829c9a0a3a31521.001.1,2026-09-17T12:06:00-06:00

Locations

Location data

Musselshell County, MT
Treasure County, MT
Northern Rosebud
Custer County, MT
Northern Stillwater
Powder River County, MT
Northern Park
Golden Valley County, MT
Red Lodge Foothills
Northern Big Horn
Southern Rosebud
Judith Gap
Paradise Valley
Livingston Area
Beartooth Foothills
Absaroka/Beartooth Mountains
Crazy Mountains
Southern Big Horn
Southeastern Carbon
Northern Sweet Grass
Bighorn Canyon
Northern Carbon
Pryor/Northern Bighorn Mountains
Melville Foothills
Northeastern Yellowstone
Southern Wheatland
Southwestern Yellowstone
Northeast Bighorn Mountains
Sheridan Foothills

Name	Value
SAME	030065
SAME	030103
SAME	030087
SAME	030017
SAME	030095
SAME	030075
SAME	030067
SAME	030037
SAME	030009
SAME	030003
SAME	030107
SAME	030097
SAME	030111
SAME	056033
UGC	MTZ029
UGC	MTZ030
UGC	MTZ031
UGC	MTZ032
UGC	MTZ034
UGC	MTZ036
UGC	MTZ040
UGC	MTZ042
UGC	MTZ056
UGC	MTZ057
UGC	MTZ058
UGC	MTZ063
UGC	MTZ064
UGC	MTZ065
UGC	MTZ066
UGC	MTZ067
UGC	MTZ068
UGC	MTZ138
UGC	MTZ139
UGC	MTZ141
UGC	MTZ169
UGC	MTZ170
UGC	MTZ171
UGC	MTZ172
UGC	MTZ173
UGC	MTZ228
UGC	MTZ235
UGC	WYZ198
UGC	WYZ199