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Home Return to list Frost Advisory 0011 Issued by the Duluth Forecast Office
Action: New Issued At: 2026-09-22 13:04:25 979 WWUS73 KDLH 221804 NPWDLH URGENT - WEATHER MESSAGE National Weather Service Duluth MN 104 PM CDT Tue Sep 22 2026 MNZ010>012-018-019-026-230615- /O.NEW.KDLH.FR.Y.0011.260923T0600Z-260923T1300Z/ Koochiching-North St. Louis-Northern Cook and Lake-North Itasca- Central St. Louis-South Itasca- Including the cities of Isabella, Hibbing, Grand Rapids, Ely, International Falls, and Bigfork 104 PM CDT Tue Sep 22 2026 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Koochiching, North Itasca, South Itasca, Central St. Louis, North St. Louis, and Northern Cook and Lake Counties. * WHEN...From 1 AM to 8 AM CDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The best chances for frost will be in inland areas away from Lake Superior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WIZ001>004-007>009-230615- /O.NEW.KDLH.FR.Y.0011.260923T0600Z-260923T1300Z/ Douglas-Bayfield-Ashland-Iron-Washburn-Sawyer-Price- Including the cities of Spooner, Phillips, Bayfield, Washburn, Hurley, Superior, Hayward, and Ashland 104 PM CDT Tue Sep 22 2026 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Price, Ashland, Bayfield, Douglas, Iron, Sawyer, and Washburn Counties. * WHEN...From 1 AM to 8 AM CDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The best chances for frost will be in inland areas away from Lake Superior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information on Northland weather, visit www.weather.gov/duluth BJH Action: New Issued At: 2026-09-22 13:04:25 979 WWUS73 KDLH 221804 NPWDLH URGENT - WEATHER MESSAGE National Weather Service Duluth MN 104 PM CDT Tue Sep 22 2026 MNZ010>012-018-019-026-230615- /O.NEW.KDLH.FR.Y.0011.260923T0600Z-260923T1300Z/ Koochiching-North St. Louis-Northern Cook and Lake-North Itasca- Central St. Louis-South Itasca- Including the cities of Isabella, Hibbing, Grand Rapids, Ely, International Falls, and Bigfork 104 PM CDT Tue Sep 22 2026 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Koochiching, North Itasca, South Itasca, Central St. Louis, North St. Louis, and Northern Cook and Lake Counties. * WHEN...From 1 AM to 8 AM CDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The best chances for frost will be in inland areas away from Lake Superior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WIZ001>004-007>009-230615- /O.NEW.KDLH.FR.Y.0011.260923T0600Z-260923T1300Z/ Douglas-Bayfield-Ashland-Iron-Washburn-Sawyer-Price- Including the cities of Spooner, Phillips, Bayfield, Washburn, Hurley, Superior, Hayward, and Ashland 104 PM CDT Tue Sep 22 2026 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Price, Ashland, Bayfield, Douglas, Iron, Sawyer, and Washburn Counties. * WHEN...From 1 AM to 8 AM CDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The best chances for frost will be in inland areas away from Lake Superior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information on Northland weather, visit www.weather.gov/duluth BJH Action: Continued Issued At: 2026-09-22 21:36:43 597 WWUS73 KDLH 230236 NPWDLH URGENT - WEATHER MESSAGE National Weather Service Duluth MN 936 PM CDT Tue Sep 22 2026 MNZ010>012-018-019-026-231300- /O.CON.KDLH.FR.Y.0011.260923T0600Z-260923T1300Z/ Koochiching-North St. Louis-Northern Cook and Lake-North Itasca- Central St. Louis-South Itasca- Including the cities of International Falls, Isabella, Grand Rapids, Bigfork, Ely, and Hibbing 936 PM CDT Tue Sep 22 2026 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Koochiching, North Itasca, South Itasca, Central St. Louis, North St. Louis, and Northern Cook and Lake Counties. * WHEN...From 1 AM to 8 AM CDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The best chances for frost will be in inland areas away from Lake Superior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WIZ001>004-007>009-231300- /O.CON.KDLH.FR.Y.0011.260923T0600Z-260923T1300Z/ Douglas-Bayfield-Ashland-Iron-Washburn-Sawyer-Price- Including the cities of Hurley, Ashland, Superior, Hayward, Bayfield, Washburn, Spooner, and Phillips 936 PM CDT Tue Sep 22 2026 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Price, Ashland, Bayfield, Douglas, Iron, Sawyer, and Washburn Counties. * WHEN...From 1 AM to 8 AM CDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The best chances for frost will be in inland areas away from Lake Superior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information on Northland weather, visit www.weather.gov/duluth Britt Action: Continued Issued At: 2026-09-22 21:36:43 597 WWUS73 KDLH 230236 NPWDLH URGENT - WEATHER MESSAGE National Weather Service Duluth MN 936 PM CDT Tue Sep 22 2026 MNZ010>012-018-019-026-231300- /O.CON.KDLH.FR.Y.0011.260923T0600Z-260923T1300Z/ Koochiching-North St. Louis-Northern Cook and Lake-North Itasca- Central St. Louis-South Itasca- Including the cities of International Falls, Isabella, Grand Rapids, Bigfork, Ely, and Hibbing 936 PM CDT Tue Sep 22 2026 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Koochiching, North Itasca, South Itasca, Central St. Louis, North St. Louis, and Northern Cook and Lake Counties. * WHEN...From 1 AM to 8 AM CDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The best chances for frost will be in inland areas away from Lake Superior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WIZ001>004-007>009-231300- /O.CON.KDLH.FR.Y.0011.260923T0600Z-260923T1300Z/ Douglas-Bayfield-Ashland-Iron-Washburn-Sawyer-Price- Including the cities of Hurley, Ashland, Superior, Hayward, Bayfield, Washburn, Spooner, and Phillips 936 PM CDT Tue Sep 22 2026 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Price, Ashland, Bayfield, Douglas, Iron, Sawyer, and Washburn Counties. * WHEN...From 1 AM to 8 AM CDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The best chances for frost will be in inland areas away from Lake Superior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information on Northland weather, visit www.weather.gov/duluth Britt Action: Continued Issued At: 2026-09-23 04:07:05 940 WWUS73 KDLH 230906 NPWDLH URGENT - WEATHER MESSAGE National Weather Service Duluth MN 406 AM CDT Wed Sep 23 2026 MNZ010>012-018-019-026-231300- /O.CON.KDLH.FR.Y.0011.000000T0000Z-260923T1300Z/ Koochiching-North St. Louis-Northern Cook and Lake-North Itasca- Central St. Louis-South Itasca- Including the cities of Ely, Hibbing, Bigfork, International Falls, Grand Rapids, and Isabella 406 AM CDT Wed Sep 23 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Koochiching, North Itasca, South Itasca, Central St. Louis, North St. Louis, and Northern Cook and Lake Counties. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The best chances for frost will be in inland areas away from Lake Superior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WIZ001>004-007>009-231300- /O.CON.KDLH.FR.Y.0011.000000T0000Z-260923T1300Z/ Douglas-Bayfield-Ashland-Iron-Washburn-Sawyer-Price- Including the cities of Bayfield, Phillips, Spooner, Superior, Ashland, Washburn, Hurley, and Hayward 406 AM CDT Wed Sep 23 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Price, Ashland, Bayfield, Douglas, Iron, Sawyer, and Washburn Counties. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The best chances for frost will be in inland areas away from Lake Superior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information on Northland weather, visit www.weather.gov/duluth LE Action: Continued Issued At: 2026-09-23 04:07:05 940 WWUS73 KDLH 230906 NPWDLH URGENT - WEATHER MESSAGE National Weather Service Duluth MN 406 AM CDT Wed Sep 23 2026 MNZ010>012-018-019-026-231300- /O.CON.KDLH.FR.Y.0011.000000T0000Z-260923T1300Z/ Koochiching-North St. Louis-Northern Cook and Lake-North Itasca- Central St. Louis-South Itasca- Including the cities of Ely, Hibbing, Bigfork, International Falls, Grand Rapids, and Isabella 406 AM CDT Wed Sep 23 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Koochiching, North Itasca, South Itasca, Central St. Louis, North St. Louis, and Northern Cook and Lake Counties. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The best chances for frost will be in inland areas away from Lake Superior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WIZ001>004-007>009-231300- /O.CON.KDLH.FR.Y.0011.000000T0000Z-260923T1300Z/ Douglas-Bayfield-Ashland-Iron-Washburn-Sawyer-Price- Including the cities of Bayfield, Phillips, Spooner, Superior, Ashland, Washburn, Hurley, and Hayward 406 AM CDT Wed Sep 23 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Price, Ashland, Bayfield, Douglas, Iron, Sawyer, and Washburn Counties. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The best chances for frost will be in inland areas away from Lake Superior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information on Northland weather, visit www.weather.gov/duluth LE Action: Expired Issued At: 2026-09-23 07:56:41 762 WWUS73 KDLH 231256 NPWDLH URGENT - WEATHER MESSAGE National Weather Service Duluth MN 756 AM CDT Wed Sep 23 2026 MNZ010>012-018-019-026-WIZ001>004-007>009-231400- /O.EXP.KDLH.FR.Y.0011.000000T0000Z-260923T1300Z/ Koochiching-North St. Louis-Northern Cook and Lake-North Itasca- Central St. Louis-South Itasca-Douglas-Bayfield-Ashland-Iron- Washburn-Sawyer-Price- Including the cities of Isabella, Spooner, Superior, Washburn, Ely, Bigfork, International Falls, Hibbing, Grand Rapids, Hayward, Phillips, Hurley, Bayfield, and Ashland 756 AM CDT Wed Sep 23 2026 ...FROST ADVISORY WILL EXPIRE AT 8 AM CDT THIS MORNING... Temperatures have warmed and frost is no longer expected. $$ For more information on Northland weather, visit www.weather.gov/duluth BJH | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||