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Frost Advisory


URGENT - WEATHER MESSAGE
National Weather Service Duluth MN
1020 PM CDT Sat May 17 2025

MNZ010-018-025-026-035-036-181400-
/O.CON.KDLH.FR.Y.0001.250518T0600Z-250518T1400Z/
Koochiching-North Itasca-North Cass-South Itasca-Northern Aitkin-
South Aitkin-
Including the cities of Bigfork, Aitkin, Hill City, Walker, Grand
Rapids, and International Falls
1020 PM CDT Sat May 17 2025

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT SUNDAY...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Aitkin, Koochiching, North Cass, and Itasca Counties. This
  includes the Tribal Lands of the Mille Lacs Band, East Lake and,
  Big Sandy Lake areas and the Bois Forte Band, Deer Creek and, Nett
  Lake areas.

* WHEN...Until 9 AM CDT Sunday.

* 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 Duluth MN
1020 PM CDT Sat May 17 2025

MNZ033-034-181400-
/O.CON.KDLH.FR.Y.0001.250518T0600Z-250518T1400Z/
South Cass-Crow Wing-
Including the cities of Brainerd and Pine River
1020 PM CDT Sat May 17 2025

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT SUNDAY...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Crow Wing and South and Cass Counties.

* WHEN...Until 9 AM CDT Sunday.

* 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

URGENT - WEATHER MESSAGE
National Weather Service Duluth MN
1020 PM CDT Sat May 17 2025

MNZ011-019-181400-
/O.CON.KDLH.FR.Y.0001.250518T0600Z-250518T1400Z/
North St. Louis-Central St. Louis-
Including the cities of Hibbing and Ely
1020 PM CDT Sat May 17 2025

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT SUNDAY...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Central and North St. Louis County. This includes the
  Tribal Lands of the Bois Forte Band, Nett Lake and, Lake Vermilion
  areas. Other locations including Voyageurs National Park. This
  also includes the Boundary Waters western area.

* WHEN...Until 9 AM CDT Sunday.

* 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 Bismarck ND
1003 PM CDT Sat May 17 2025

NDZ001>005-009>013-019>023-025-034>037-046>048-050-051-181115-
/O.CON.KBIS.FR.Y.0002.250518T0500Z-250518T1400Z/
Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward-
McHenry-Pierce-Mercer-Oliver-McLean-Sheridan-Wells-Foster-Morton-
Burleigh-Kidder-Stutsman-Emmons-Logan-La Moure-McIntosh-Dickey-
Including the cities of New Town, Oakes, Mohall, Bowbells, Minot,
Hazen, Glenburn, Mcclusky, Mandan, Goodrich, Harvey, Turtle Lake,
Shell Valley, Edgeley, Dunseith, Williston, Rolette, Velva,
Rugby, Center, Sherwood, Rolla, Parshall, Fessenden, Drake,
Beulah, Bottineau, Ashley, Jamestown, Lamoure, Washburn,
Ellendale, Lignite, Wishek, Stanley, Bismarck, Columbus, Towner,
Napoleon, St. John, Wilton, Kulm, Underwood, Strasburg, Steele,
Powers Lake, Tappen, Linton, Portal, Gackle, Garrison,
Carrington, and Crosby
1003 PM CDT Sat May 17 2025 /903 PM MDT Sat May 17 2025/

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT /8 AM MDT/
SUNDAY...

* WHAT...Temperatures may drop as low as 32 degrees.

* WHERE...Central and much of northwest North Dakota along with the
  James River Valley.

* WHEN...Until 9 AM CDT /8 AM MDT/ Sunday.

* IMPACTS...Sensitive outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Hargrove

URGENT - WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
936 PM CDT Sat May 17 2025

MNZ041>045-047>052-054>059-064>067-073>075-082-091-181045-
/O.CON.KMPX.FR.Y.0001.250518T0600Z-250518T1400Z/
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Sherburne-Isanti-Lac Qui Parle-Swift-Chippewa-Kandiyohi-
Meeker-Wright-Yellow Medicine-Renville-McLeod-Sibley-Redwood-
Brown-Nicollet-Watonwan-Martin-
Including the cities of Redwood Falls, Fairmont, Long Prairie,
Cambridge, St Peter, Alexandria, New Ulm, Princeton, St James,
Monticello, Little Falls, Mora, Litchfield, Gaylord, Willmar,
Sauk Rapids, Glenwood, St Cloud, Benson, Elk River, Olivia,
Morris, Montevideo, Hutchinson, Madison, and Granite Falls
936 PM CDT Sat May 17 2025

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT SUNDAY...

* WHAT...Temperatures in the low 30s will result in frost formation.

* WHERE...Portions of central, east central, south central,
  southwest, and west central Minnesota.

* WHEN...From 1 AM to 9 AM CDT Sunday.

* 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.

&&

$$

NDC

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
906 PM CDT Sat May 17 2025

MNZ071-072-080-081-089-090-097-098-SDZ038>040-054>056-062-181030-
/O.CON.KFSD.FR.Y.0001.250518T0600Z-250518T1400Z/
Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-
Beadle-Kingsbury-Brookings-Miner-Lake-Moody-Minnehaha-
Including the cities of Slayton, Hendricks, Ivanhoe, Mountain
Lake, Marshall, Lakefield, Tyler, Arlington, De Smet, Orland,
Howard, Luverne, Lake Preston, Lake Benton, Huron, Jackson,
Madison, Pipestone, Brookings, Worthington, Windom, Fulda, Sioux
Falls, and Flandreau
906 PM CDT Sat May 17 2025

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT SUNDAY...

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

* WHERE...Portions of southwest Minnesota and east central and
  southeast South Dakota.

* WHEN...From 1 AM to 9 AM CDT Sunday.

* 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.

&&

$$

SG

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
101 PM PDT Sat May 17 2025

CAZ107-108-180415-
/O.NEW.KEKA.FR.Y.0019.250518T0300Z-250518T1700Z/
Northern Trinity-Southern Trinity-
Including Weaverville, Carrville, Trinity Center, Hayfork, and
Douglas City
101 PM PDT Sat May 17 2025

...FROST ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 10 AM PDT
SUNDAY...

* WHAT...Temperatures as low as 33 will result in frost formation.

* WHERE...Trinity County.

* WHEN...From 8 PM this evening to 10 AM PDT Sunday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

* ADDITIONAL DETAILS...These will mainly be in the colder valleys
  which includes areas north and east of Weaverville as well as
  Hayfork and surrounding areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka

MKK

URGENT - WEATHER MESSAGE
National Weather Service Grand Forks ND
156 PM CDT Sat May 17 2025

MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024-
026>030-038-039-049-052>054-180300-
/O.NEW.KFGF.FR.Y.0002.250518T0500Z-250518T1500Z/
West Polk-Norman-Clay-Kittson-Roseau-Lake Of The Woods-West
Marshall-East Marshall-North Beltrami-Pennington-Red Lake-East
Polk-North Clearwater-South Beltrami-Mahnomen-South Clearwater-
Hubbard-West Becker-East Becker-Wilkin-West Otter Tail-East Otter
Tail-Wadena-Grant-Towner-Cavalier-Pembina-Benson-Ramsey-Eastern
Walsh-Eddy-Nelson-Grand Forks-Griggs-Steele-Traill-Barnes-Cass-
Ransom-Sargent-Richland-Western Walsh-
Including the cities of Menahga, Redby, Roseau, Perham, Baudette,
Dresden, McLeod, Gwinner, Grygla, Clearbrook, Maida, Roy Lake,
Park Rapids, Flaming, Emmaville, Considine, Ashby, Adams, Cando,
Fairdale, Henning, New Rockford, Valley City, Cavalier, Pencer,
Newfolden, Moorhead, Hoffman, Alida, Lakota, Wadena, Fort Totten,
Espelie, McIntosh, Hallock, Lower Rice Lake, Hope, Halstad,
Staples Airport, Upper Rice Lake, Detroit Lakes, Salol, Devils
Lake, Fargo, Faith, Mount Carmel, Langdon, Lawndale, Drayton,
Crookston, Fox, Gatzke, Malung, Akra, Walhalla, Argyle, Battle
Lake, Elbow Lake, Hatton, Ada, Erskine, Bemidji, Minnewaukan,
Nary, Aneta, Waubun, Grafton, Kelso, New York Mills, Lavinia,
Bagley, Red Lake, Ebro, Rosewood, Maddock, Nash, Wolf Lake,
Backoo, East Grand Forks, Mayville, Parkers Prairie,
Breckenridge, Fertile, Fosston, Thief River Falls, Erdahl, Middle
River, Radium, Grand Forks, Florian, Herman, Finley, Milnor, Lake
Itasca, Tolna, Shoreham, Rutland, Syre, Red Lake Falls, Hubbard,
Mcville, Forman, Bowesmont, Lancaster, Enderlin, Roseville, Twin
Valley, Hayes Lake State Park, Dakota Junction, Naytahwaush,
Vang, Leeds, Park River, Leroy, Hadler, Oakwood, Rosby, Portland,
Stephen, Barrett, Lisbon, Ponemah, Casperson, Long Lost Lake,
Karlstad, Fergus Falls, Englund, Wahpeton, Mahnomen, Hillsboro,
Lankin, Warren, and Cooperstown
156 PM CDT Sat May 17 2025

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM CDT
SUNDAY...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Eastern North Dakota and Northwest Minnesota

* WHEN...From midnight tonight to 10 AM CDT Sunday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

* ADDITIONAL DETAILS...There is a 50% chance for some locations to
  fall below freezing tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Perroux

URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
156 PM CDT Sat May 17 2025

MNZ039-046-SDZ005-007-008-010-011-017-019>023-037-180500-
/O.CON.KABR.FR.Y.0001.250518T0600Z-250518T1400Z/
Traverse-Big Stone-McPherson-Marshall-Roberts-Edmunds-Day-Faulk-
Clark-Codington-Grant-Hamlin-Deuel-Hand-
Including the cities of Miller, Webster, Ipswich, Milbank,
Britton, Faulkton, Watertown, Ortonville, Clear Lake, Sisseton,
Clark, Hayti, Wheaton, and Eureka
156 PM CDT Sat May 17 2025

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT SUNDAY...

* WHAT...Temperatures as low as 33 to 36 degrees will result in
  frost formation.

* WHERE...Portions of west central Minnesota and central, north
  central, and northeast South Dakota.

* WHEN...From 1 AM to 9 AM CDT Sunday.

* 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.

&&

$$

TMT

URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
156 PM CDT Sat May 17 2025

SDZ004-009-180500-
/O.EXA.KABR.FR.Y.0001.250518T0600Z-250518T1400Z/
Campbell-Walworth-
Including the cities of Mobridge and Herreid
156 PM CDT Sat May 17 2025

...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT SUNDAY...

* WHAT...Temperatures as low as 33 to 36 degrees will result in
  frost formation.

* WHERE...Campbell and Walworth Counties.

* WHEN...From 1 AM to 9 AM CDT Sunday.

* 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.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE