Flood Watch
NWS Billings MT ยท US
Details
Flood Watch In Effect From 6 PM MDT This Evening Through Sunday Afternoon
- Event
- Flood Watch
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Future
- Severity
- Severe
- Certainty
- Possible
- Response
- Prepare
Description
Overview
A strong and slow moving weather system will impact the region tonight through Sunday. Well above normal atmospheric moisture levels combined with the dynamics from this storm system will provide the potential for heavy rainfall during this period. Thunderstorms embedded in the more general rainfall will have the potential to produce flash flooding, particularly over recent burn scars.
What
Flooding caused by excessive rainfall is possible.
Where
Custer county.
When
From 6 PM MDT this evening through Sunday afternoon.
Impacts
Excessive runoff may result in flooding of creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas.
Additional details
- 1 to 2.5 inches of rainfall is forecast across the watch area Friday night through Sunday. Locally heavier accumulations up to 4 inches are possible where thunderstorm activity develops. - Any recent burn scars from this summer will have elevated Flash Flood potential. - 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
- Custer County, MT
Public contact
- Issuer
- NWS Billings MT
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~1m3s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2TQK8EBM0KPE24D7DJGT45A
- Identifier
- urn:oid:2.49.0.1.840.0.334b5785451dd5aa9b8851b3cc29dd622860119d.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.7015
- WMO heading
- XOUS55
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 55
Event codes
| Name | Value |
|---|---|
| SAME | FFA |
| NationalWeatherService | FAA |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | FFABYZ |
| WMOidentifier | WGUS65 KBYZ 181703 |
| NWSheadline | FLOOD WATCH IN EFFECT FROM 6 PM MDT THIS EVENING THROUGH SUNDAY AFTERNOON |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.EXA.KBYZ.FA.A.0004.260919T0000Z-260921T0000Z/ |
| eventEndingTime | 2026-09-20T18:00:00-06:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Custer County, MT
| Name | Value |
|---|---|
| SAME | 030017 |
| UGC | MTZ032 |