Flood Watch

NWS Milwaukee/Sullivan WI · US

Updated

This event was updated at 2026-09-20 12:09:00 UTC.

Details

Flood Watch Remains In Effect Until 7 AM CDT This Morning

Event: Flood Watch
Issued: 2026-09-20 08:37:00 UTC
Onset: 2026-09-20 08:37:00 UTC
Message expires: 2026-09-20 12:00:00 UTC
Expected end: 2026-09-20 12:00:00 UTC
Category: Meteorological
Urgency: Future
Severity: Severe
Certainty: Possible
Response: Prepare

Description

What

Flooding caused by excessive rainfall continues to be possible.

Where

Portions of south central and southeast Wisconsin, including the following counties, in south central Wisconsin, Dane, Green, Iowa, Lafayette and Rock. In southeast Wisconsin, Jefferson, Kenosha, Milwaukee, Racine, Walworth and Waukesha.

When

Until 7 AM CDT this morning.

Impacts

Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.

Additional details

- Rounds of showers and some thunderstorms may move repeatedly over the same areas across far southern Wisconsin early this morning. This may bring another 1 to 2 inches of rainfall, with locally higher amounts possible. Urban and small stream flooding, river and creek rises and isolated flash flooding are possible where rain moves repeatedly over the same areas. - 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

Iowa County, WI
Dane County, WI
Jefferson County, WI
Waukesha County, WI
Milwaukee County, WI
Lafayette County, WI
Green County, WI
Rock County, WI
Walworth County, WI
Racine County, WI
Kenosha County, WI

Public contact

Issuer: NWS Milwaukee/Sullivan WI
Website: http://www.weather.gov

Message record

Received: 2026-09-20 08:37:48 UTC
Issue to receipt: ~49s
CAP status: Actual
CAP message type: Update
Lifecycle: Updated
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M2YZDRD5BMXDXGX434PSFFM6
Identifier: urn:oid:2.49.0.1.840.0.df37a4702bdfd308a3213b0ee73ea5c9115e211a.001.1
Sender: w-nws.webmaster@noaa.gov
Scope: Public
CAP source: 211803 v2.3.0
Handling codes: IPAWSv1.0
Issuing office: NWS Milwaukee/Sullivan WI
AWIPS ID: CAPMKX
NWWS sequence: nwws_processor.4668
WMO heading: XOUS53
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 53

References

Identifier: urn:oid:2.49.0.1.840.0.6dd9fe1ed386732e6589fd2c34cb0a5801c1154b.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-20 03:11:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.2785b620bdead58639299173ce57e4dd59be1a44.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-19 20:58:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.ad451546fb09ecca4c401957b4be91891ec63ac1.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-19 13:58:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.d3c8db18dc67ab0a1de8869bca0eaade4131ebf3.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-19 08:56:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.c25e92a6c4a76ad7d70100695bef42f50f109b6f.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-19 02:49:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.461362554624d80843135be3dbc191bae0e92d78.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-18 23:11:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.8a7bd1381e11b8a704f0dbe3e6c9dceb7e63bcc3.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-18 18:37:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.8a7bd1381e11b8a704f0dbe3e6c9dceb7e63bcc3.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-18 18:37:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.08f1e2e455b1c1615ecad240c633b79a2efeb195.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-18 15:25:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.d82d519594cd91b5b9aad5dee1d8cf896a1e9b14.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-18 02:07:00 UTC

Event codes

Name	Value
SAME	FFA
NationalWeatherService	FAA

Parameters

Name	Value
AWIPSidentifier	FFAMKX
WMOidentifier	WGUS63 KMKX 200837
NWSheadline	FLOOD WATCH REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
EAS-ORG	WXR
VTEC	/O.CON.KMKX.FA.A.0007.000000T0000Z-260920T1200Z/
eventEndingTime	2026-09-20T07:00:00-05:00
BLOCKCHANNEL	CMAS
expiredReferences	w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2785b620bdead58639299173ce57e4dd59be1a44.001.1,2026-09-19T15:58:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ad451546fb09ecca4c401957b4be91891ec63ac1.002.1,2026-09-19T08:58:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d3c8db18dc67ab0a1de8869bca0eaade4131ebf3.002.1,2026-09-19T03:56:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c25e92a6c4a76ad7d70100695bef42f50f109b6f.001.1,2026-09-18T21:49:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.461362554624d80843135be3dbc191bae0e92d78.001.1,2026-09-18T18:11:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8a7bd1381e11b8a704f0dbe3e6c9dceb7e63bcc3.002.1,2026-09-18T13:37:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8a7bd1381e11b8a704f0dbe3e6c9dceb7e63bcc3.001.1,2026-09-18T13:37:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.08f1e2e455b1c1615ecad240c633b79a2efeb195.001.1,2026-09-18T10:25:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d82d519594cd91b5b9aad5dee1d8cf896a1e9b14.001.1,2026-09-17T21:07:00-05:00

Locations

Location data

Iowa County, WI
Dane County, WI
Jefferson County, WI
Waukesha County, WI
Milwaukee County, WI
Lafayette County, WI
Green County, WI
Rock County, WI
Walworth County, WI
Racine County, WI
Kenosha County, WI

Name	Value
SAME	055049
SAME	055025
SAME	055055
SAME	055133
SAME	055079
SAME	055065
SAME	055045
SAME	055105
SAME	055127
SAME	055101
SAME	055059
UGC	WIZ062
UGC	WIZ063
UGC	WIZ064
UGC	WIZ065
UGC	WIZ066
UGC	WIZ067
UGC	WIZ068
UGC	WIZ069
UGC	WIZ070
UGC	WIZ071
UGC	WIZ072