467
WWUS73 KDLH 040741
NPWDLH

URGENT - WEATHER MESSAGE
National Weather Service Duluth MN
241 AM CDT Thu Sep 4 2025

MNZ020-021-041300-
/O.EXA.KDLH.FR.Y.0010.000000T0000Z-250904T1300Z/
Southern Lake-Southern Cook-
Including the cities of Grand Marais, Two Harbors, and Silver Bay
241 AM CDT Thu Sep 4 2025

...FROST ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* WHAT...Temperatures as low as 34 will result in frost formation.

* WHERE...Southern Cook and Southern Lake Counties. This includes
  the Tribal Lands of the Grand Portage Reservation.

* WHEN...Until 8 AM CDT this morning.

* 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.

&&

$$

WIZ006-041300-
/O.EXA.KDLH.FR.Y.0010.000000T0000Z-250904T1300Z/
Burnett-
Including the cities of Grantsburg
241 AM CDT Thu Sep 4 2025

...FROST ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* WHAT...Temperatures as low as 35 will result in frost formation.

* WHERE...Burnett County. This includes the Tribal Lands of the St.
  Croix Band in Burnett County.

* WHEN...Until 8 AM CDT this morning.

* 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.

&&

$$

MNZ010-011-018-019-025-026-035-041300-
/O.CON.KDLH.FR.Y.0010.000000T0000Z-250904T1300Z/
Koochiching-North St. Louis-North Itasca-Central St. Louis-North
Cass-South Itasca-Northern Aitkin-
Including the cities of Hill City, Ely, Bigfork, Hibbing, Grand
Rapids, Walker, and International Falls
241 AM CDT Thu Sep 4 2025

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* WHAT...Temperatures as low as 34 will result in frost formation.

* WHERE...Northern Aitkin, Koochiching, North Cass, Itasca, Central
  and North St. Louis Counties. This includes the Tribal Lands of
  the Mille Lacs Band, Big Sandy Lake area and the Bois Forte Band,
  Nett Lake, Deer Creek and, Lake Vermilion areas. Other locations
  including Voyageurs National Park. This also includes the Boundary
  Waters western area.

* WHEN...Until 8 AM CDT this morning.

* 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.

&&

$$

MNZ012-041300-
/O.CON.KDLH.FR.Y.0010.000000T0000Z-250904T1300Z/
Northern Cook and Lake-
Including the cities of Isabella
241 AM CDT Thu Sep 4 2025

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* WHAT...Temperatures as low as 34 will result in frost formation.

* WHERE...Northern Cook and Lake County. This also includes the
  Boundary Waters eastern and central area.

* WHEN...Until 8 AM CDT this morning.

* 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.

&&

$$

MNZ037-WIZ001-007-041300-
/O.CON.KDLH.FR.Y.0010.000000T0000Z-250904T1300Z/
Carlton and South St. Louis-Douglas-Washburn-
Including the cities of Spooner, Duluth, and Superior
241 AM CDT Thu Sep 4 2025

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* WHAT...Temperatures as low as 36 will result in frost formation.

* WHERE...In Minnesota, Carlton and South St. Louis Counties. In
  Wisconsin, Douglas and Washburn Counties. This includes the Tribal
  Lands of the Fond du Lac Band.

* WHEN...Until 8 AM CDT this morning.

* 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.

&&

$$

WIZ002>004-008-009-041300-
/O.CON.KDLH.FR.Y.0010.000000T0000Z-250904T1300Z/
Bayfield-Ashland-Iron-Sawyer-Price-
Including the cities of Bayfield, Phillips, Hurley, Washburn,
Hayward, and Ashland
241 AM CDT Thu Sep 4 2025

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* WHAT...Temperatures as low as 34 will result in frost formation.

* WHERE...Price, Ashland, Bayfield, Iron, and Sawyer Counties. This
  includes the Tribal Lands of the Red Cliff Band, the Bad River
  Reservation, the Lac Courte Oreilles Reservation and the
  northwestern area of the Lac du Flambeau Band. Other locations
  including the Apostle Islands National Lakeshore and Madeline
  Island.

* WHEN...Until 8 AM CDT this morning.

* 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 on Northland weather, visit www.weather.
gov/duluth

Rothstein