Flood Watch

NWS Billings MT · US

Updated

Details

Flood Watch Will Expire At 6 PM MDT This Evening

Event: Flood Watch
Issued: 2026-09-20 23:52:00 UTC
Onset: 2026-09-20 23:52:00 UTC
Message expires: 2026-09-21 01:00:00 UTC
Expected end: 2026-09-21 00:00:00 UTC
Category: Meteorological
Urgency: Future
Severity: Severe
Certainty: Possible
Response: Prepare

Description

The Flood Watch will expire for all of Southeast Montana and Sheridan County, WY at 6pm MDT. Although scattered showers linger across the region, the primary window of flooding concerns has ended.

Affected areas

Musselshell County, MT
Treasure County, MT
Northern Rosebud
Custer County, MT
Fallon County, MT
Powder River County, MT
Carter County, MT
Northern Big Horn
Southern Rosebud
Southern Big Horn
Bighorn Canyon
Pryor/Northern Bighorn Mountains
Northeastern Yellowstone
Southwestern Yellowstone
Northeast Bighorn Mountains
Sheridan Foothills

Public contact

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

Message record

Received: 2026-09-20 23:53:18 UTC
Issue to receipt: ~1m18s
CAP status: Actual
CAP message type: Update
Lifecycle: Updated
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M30KT2DPGD7DZF2XQRJ84A84
Identifier: urn:oid:2.49.0.1.840.0.338383ecb7d96c94f14f21377e0597c7ed129004.001.1
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.9814
WMO heading: XOUS55
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 55

References

Identifier: urn:oid:2.49.0.1.840.0.3330903273817ff42011f52c43b1e7537477e0a4.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-20 04:40:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.ff5c0992b8ddf1d0200f1b79236498f71d678329.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-20 10:32:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.cb7136709305ad5fa17de799cc36fdfc37fc81e9.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-20 19:56:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.e5e4b31c05b262a371010d75457fdd4a7220e234.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-19 19:30:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.b07e54db2d2aa2b88d9f7f4efcd487677cdd49e4.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-19 12:42:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.8c87b71d95eac4db7941bb280ea7c48fc2c72e30.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-19 04:59:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.8c87b71d95eac4db7941bb280ea7c48fc2c72e30.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-19 04:59:00 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:2.49.0.1.840.0.334b5785451dd5aa9b8851b3cc29dd622860119d.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-18 17:03:00 UTC

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

Identifier: urn:oid:2.49.0.1.840.0.3d731050f18766a72fe34f4de85bb9f8d0a6055d.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 202352
NWSheadline	FLOOD WATCH WILL EXPIRE AT 6 PM MDT THIS EVENING
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
EAS-ORG	WXR
VTEC	/O.EXP.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.e5e4b31c05b262a371010d75457fdd4a7220e234.001.1,2026-09-19T13:30:00-06:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.b07e54db2d2aa2b88d9f7f4efcd487677cdd49e4.001.1,2026-09-19T06:42:00-06:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8c87b71d95eac4db7941bb280ea7c48fc2c72e30.002.1,2026-09-18T22:59:00-06:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8c87b71d95eac4db7941bb280ea7c48fc2c72e30.001.1,2026-09-18T22:59:00-06:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.334b5785451dd5aa9b8851b3cc29dd622860119d.002.1,2026-09-18T11:03:00-06:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.334b5785451dd5aa9b8851b3cc29dd622860119d.001.1,2026-09-18T11:03:00-06:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.309f9698f9ce5d972641ebb29cf0c74da0d35ff7.001.1,2026-09-18T02:50:00-06:00 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
Fallon County, MT
Powder River County, MT
Carter County, MT
Northern Big Horn
Southern Rosebud
Southern Big Horn
Bighorn Canyon
Pryor/Northern Bighorn Mountains
Northeastern Yellowstone
Southwestern Yellowstone
Northeast Bighorn Mountains
Sheridan Foothills

Name	Value
SAME	030065
SAME	030103
SAME	030087
SAME	030017
SAME	030025
SAME	030075
SAME	030011
SAME	030003
SAME	030009
SAME	030111
SAME	056033
UGC	MTZ029
UGC	MTZ030
UGC	MTZ031
UGC	MTZ032
UGC	MTZ033
UGC	MTZ036
UGC	MTZ037
UGC	MTZ057
UGC	MTZ058
UGC	MTZ138
UGC	MTZ169
UGC	MTZ171
UGC	MTZ173
UGC	MTZ235
UGC	WYZ198
UGC	WYZ199