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Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
341 AM CDT Thu Oct 23 2025

WIZ046-047-051-052-056>060-062>072-240845-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
341 AM CDT Thu Oct 23 2025

This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.

.DAY ONE...Today and Tonight

Frost is expected early this morning southwest of a line from
Janesville to Madison to Wisconsin Dells. A Frost Advisory is in
effect.

Temperatures are expected to drop below freezing tonight for areas
just inland from Lake Michigan. A Freeze Warning is in effect.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Areas of frost are expected Friday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

URGENT - WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
309 AM CDT Thu Oct 23 2025

WIZ056-062-063-067>069-231615-
/O.NEW.KMKX.FZ.W.0001.251024T0700Z-251024T1400Z/
/O.CON.KMKX.FR.Y.0005.000000T0000Z-251023T1400Z/
Sauk-Iowa-Dane-Lafayette-Green-Rock-
Including the cities of Shullsburg, Barneveld, Dodgeville,
Prairie Du Sac, Brodhead, Monroe, Sauk City, Janesville,
Reedsburg, Argyle, Benton, Beloit, Mineral Point, Madison,
Baraboo, Belmont, Darlington, and Blanchardville
309 AM CDT Thu Oct 23 2025

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING...
...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM CDT FRIDAY...

* WHAT...For the Frost Advisory, temperatures as low as 32 will
  result in frost formation. For the Freeze Warning, sub-freezing
  temperatures as low as 27 expected.

* WHERE...Dane, Green, Iowa, Lafayette, Rock, and Sauk Counties.

* WHEN...For the Frost Advisory, until 9 AM CDT this morning. For
  the Freeze Warning, from 2 AM to 9 AM CDT Friday.

* IMPACTS...Frost and freeze conditions could kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing. Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
309 AM CDT Thu Oct 23 2025

WIZ056-062-063-067>069-231615-
/O.NEW.KMKX.FZ.W.0001.251024T0700Z-251024T1400Z/
/O.CON.KMKX.FR.Y.0005.000000T0000Z-251023T1400Z/
Sauk-Iowa-Dane-Lafayette-Green-Rock-
Including the cities of Shullsburg, Barneveld, Dodgeville,
Prairie Du Sac, Brodhead, Monroe, Sauk City, Janesville,
Reedsburg, Argyle, Benton, Beloit, Mineral Point, Madison,
Baraboo, Belmont, Darlington, and Blanchardville
309 AM CDT Thu Oct 23 2025

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING...
...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM CDT FRIDAY...

* WHAT...For the Frost Advisory, temperatures as low as 32 will
  result in frost formation. For the Freeze Warning, sub-freezing
  temperatures as low as 27 expected.

* WHERE...Dane, Green, Iowa, Lafayette, Rock, and Sauk Counties.

* WHEN...For the Frost Advisory, until 9 AM CDT this morning. For
  the Freeze Warning, from 2 AM to 9 AM CDT Friday.

* IMPACTS...Frost and freeze conditions could kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing. Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Hazard Report Provided By forecast.weather.gov

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