Frost Advisory
URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
818 AM CDT Sun Sep 13 2026
WIZ034-042-141300-
/O.NEW.KARX.FR.Y.0010.260914T0700Z-260914T1300Z/
Jackson-Monroe-
Including the cities of Sparta, Black River Falls, and Tomah
818 AM CDT Sun Sep 13 2026
...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM CDT MONDAY...
* WHAT...Temperatures as low as 32 degrees will result in frost
formation. The frost is favored in low-lying and bog locations with
temperatures possibly 5 to 10 degrees warmer at higher elevations.
* WHERE...Jackson and Monroe Counties.
* WHEN...From 2 AM to 8 AM CDT Monday.
* IMPACTS...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.
&&
$$
KDS
URGENT - WEATHER MESSAGE
National Weather Service Green Bay WI
207 PM CDT Sun Sep 13 2026
WIZ013-019-021-140500-
/O.EXA.KGRB.FR.Y.0009.260914T0500Z-260914T1300Z/
Northern Marinette County-Langlade-Northern Oconto County-
Including the cities of Mountain, Wausaukee, Antigo, Niagara,
Lakewood, and Townsend
207 PM CDT Sun Sep 13 2026
...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT
MONDAY...
* WHAT...Temperatures as low as 34 will result in frost formation.
* WHERE...Langlade, Northern Marinette County, and Northern Oconto
counties.
* WHEN...From midnight tonight to 8 AM CDT Monday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Green Bay WI
207 PM CDT Sun Sep 13 2026
WIZ005-010>012-018-140500-
/O.CON.KGRB.FR.Y.0009.260914T0500Z-260914T1300Z/
Vilas-Oneida-Forest-Florence-Lincoln-
Including the cities of Spread Eagle, Commonwealth, Rhinelander,
Crandon, Merrill, Tomahawk, Aurora, Lac Du Flambeau, and Eagle River
207 PM CDT Sun Sep 13 2026
...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT
MONDAY...
* WHAT...Temperatures will fall into the lower to middle 30s will
result in frost formation. Some of the typical colder spots may
drop a few degrees below freezing for a couple hours around
sunrise.
* WHERE...Lincoln, Oneida, Vilas, Florence, and Forest Counties.
* WHEN...From midnight tonight to 8 AM CDT Monday.
* IMPACTS...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.
&&
$$
For more information, visit us at http://www.weather.gov/GreenBay
Eckberg
URGENT - WEATHER MESSAGE
National Weather Service Duluth MN
1254 PM CDT Sun Sep 13 2026
WIZ001>004-007>009-141300-
/O.CON.KDLH.FR.Y.0007.260914T0500Z-260914T1300Z/
Douglas-Bayfield-Ashland-Iron-Washburn-Sawyer-Price-
Including the cities of Ashland, Hurley, Washburn, Bayfield,
Phillips, Spooner, Hayward, and Superior
1254 PM CDT Sun Sep 13 2026
...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT
MONDAY...
* WHAT...Temperatures as low as the lower to middle 30s will result
in frost formation.
* WHERE...Price, Ashland, Bayfield, Douglas, Iron, Sawyer, and
Washburn Counties.
* WHEN...From midnight tonight to 8 AM CDT Monday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* ADDITIONAL DETAILS...Areas inland from Lake Superior have the
greatest risk of frost formation tonight. That includes southern
portions of Douglas and Bayfield counties. Areas around Superior
are less likely to experience frost. Some of the typical colder
spots in inland northwest Wisconsin may drop to around or slightly
below freezing for a couple hours around sunrise Monday morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
For more information on Northland weather, visit
www.weather.gov/duluth
Rothstein