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Home Return to list Frost Advisory 0001 Issued by the Marquette Forecast Office
Action: New Issued At: 2026-05-20 12:57:54 758 WWUS73 KMQT 201757 NPWMQT URGENT - WEATHER MESSAGE National Weather Service Marquette MI 157 PM EDT Wed May 20 2026 MIZ007-211300- /O.NEW.KMQT.FZ.W.0001.260521T0300Z-260521T1300Z/ Luce- Including the cities of Newberry 157 PM EDT Wed May 20 2026 ...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM EDT THURSDAY... * WHAT...Sub-freezing temperatures as low as 27 expected. * WHERE...Luce County. * WHEN...From 11 PM this evening to 9 AM EDT Thursday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above-ground pipes to protect them from freezing. && $$ MIZ001>006-009>014-084-085-211300- /O.NEW.KMQT.FR.Y.0001.260521T0300Z-260521T1300Z/ Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger- Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft- Southern Houghton-Northern Schoolcraft- Including the cities of LAnse, Iron River, Copper Harbor, Menominee, Ontonagon, Gladstone, Sidnaw, Munising, Escanaba, Kenton, Marquette, Hancock, Seney, Iron Mountain, Manistique, Gwinn, Grand Marais, Ironwood, and Houghton 157 PM EDT Wed May 20 2026 /1257 PM CDT Wed May 20 2026/ ...FROST ADVISORY IN EFFECT FROM 11 PM EDT /10 PM CDT/ THIS EVENING TO 9 AM EDT /8 AM CDT/ THURSDAY... * WHAT...Temperatures as low as 28 will result in frost formation. * WHERE...Portions of central Upper and western Upper Michigan. * WHEN...From 11 PM EDT /10 PM CDT/ this evening to 9 AM EDT /8 AM CDT/ Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ 77 Action: Continued Issued At: 2026-05-21 01:21:47 401 WWUS73 KMQT 210621 NPWMQT URGENT - WEATHER MESSAGE National Weather Service Marquette MI 221 AM EDT Thu May 21 2026 MIZ004>006-010-011-013-014-084-085-211300- /O.UPG.KMQT.FR.Y.0001.000000T0000Z-260521T1300Z/ /O.EXA.KMQT.FZ.W.0001.000000T0000Z-260521T1300Z/ Baraga-Marquette-Alger-Iron-Dickinson-Delta-Southern Schoolcraft- Southern Houghton-Northern Schoolcraft- Including the cities of Manistique, Iron River, Grand Marais, Munising, Escanaba, Gwinn, Sidnaw, Seney, Marquette, Gladstone, Kenton, LAnse, and Iron Mountain 221 AM EDT Thu May 21 2026 /121 AM CDT Thu May 21 2026/ ...FREEZE WARNING IN EFFECT UNTIL 9 AM EDT /8 AM CDT/ THIS MORNING... * WHAT...Sub-freezing temperatures as low as 24. * WHERE...Alger, Baraga, Delta, Dickinson, Iron, Marquette, Northern Schoolcraft, Southern Schoolcraft, and Southern Houghton Counties. * WHEN...Until 9 AM EDT /8 AM CDT/ this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above-ground pipes to protect them from freezing. && $$ MIZ007-211300- /O.CON.KMQT.FZ.W.0001.000000T0000Z-260521T1300Z/ Luce- Including the cities of Newberry 221 AM EDT Thu May 21 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 27. * WHERE...Luce County. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above-ground pipes to protect them from freezing. && $$ MIZ001>003-009-012-211300- /O.CON.KMQT.FR.Y.0001.000000T0000Z-260521T1300Z/ Keweenaw-Ontonagon-Northern Houghton-Gogebic-Menominee- Including the cities of Menominee, Hancock, Ontonagon, Ironwood, Houghton, and Copper Harbor 221 AM EDT Thu May 21 2026 /121 AM CDT Thu May 21 2026/ ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT /8 AM CDT/ THIS MORNING... * WHAT...Temperatures as low as 28 will result in frost formation. * WHERE...Menominee, Gogebic, Keweenaw, Northern Houghton, and Ontonagon Counties. * WHEN...Until 9 AM EDT /8 AM CDT/ this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...Some locations further interior of the Great Lakes such as Menominee County north of US-2 and the US-45 corridor between Watersmeet and Bruce Crossing may locally experience hard freeze conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ GS Action: Upgraded Issued At: 2026-05-21 01:21:47 401 WWUS73 KMQT 210621 NPWMQT URGENT - WEATHER MESSAGE National Weather Service Marquette MI 221 AM EDT Thu May 21 2026 MIZ004>006-010-011-013-014-084-085-211300- /O.UPG.KMQT.FR.Y.0001.000000T0000Z-260521T1300Z/ /O.EXA.KMQT.FZ.W.0001.000000T0000Z-260521T1300Z/ Baraga-Marquette-Alger-Iron-Dickinson-Delta-Southern Schoolcraft- Southern Houghton-Northern Schoolcraft- Including the cities of Manistique, Iron River, Grand Marais, Munising, Escanaba, Gwinn, Sidnaw, Seney, Marquette, Gladstone, Kenton, LAnse, and Iron Mountain 221 AM EDT Thu May 21 2026 /121 AM CDT Thu May 21 2026/ ...FREEZE WARNING IN EFFECT UNTIL 9 AM EDT /8 AM CDT/ THIS MORNING... * WHAT...Sub-freezing temperatures as low as 24. * WHERE...Alger, Baraga, Delta, Dickinson, Iron, Marquette, Northern Schoolcraft, Southern Schoolcraft, and Southern Houghton Counties. * WHEN...Until 9 AM EDT /8 AM CDT/ this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above-ground pipes to protect them from freezing. && $$ MIZ007-211300- /O.CON.KMQT.FZ.W.0001.000000T0000Z-260521T1300Z/ Luce- Including the cities of Newberry 221 AM EDT Thu May 21 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 27. * WHERE...Luce County. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above-ground pipes to protect them from freezing. && $$ MIZ001>003-009-012-211300- /O.CON.KMQT.FR.Y.0001.000000T0000Z-260521T1300Z/ Keweenaw-Ontonagon-Northern Houghton-Gogebic-Menominee- Including the cities of Menominee, Hancock, Ontonagon, Ironwood, Houghton, and Copper Harbor 221 AM EDT Thu May 21 2026 /121 AM CDT Thu May 21 2026/ ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT /8 AM CDT/ THIS MORNING... * WHAT...Temperatures as low as 28 will result in frost formation. * WHERE...Menominee, Gogebic, Keweenaw, Northern Houghton, and Ontonagon Counties. * WHEN...Until 9 AM EDT /8 AM CDT/ this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...Some locations further interior of the Great Lakes such as Menominee County north of US-2 and the US-45 corridor between Watersmeet and Bruce Crossing may locally experience hard freeze conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ GS | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||