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Home Return to list Freeze Warning 0004 Issued by the Green Bay Forecast Office
Action: New Issued At: 2026-05-21 04:20:35 826 WWUS73 KGRB 210920 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 420 AM CDT Thu May 21 2026 WIZ011>013-211300- /O.UPG.KGRB.FR.Y.0008.000000T0000Z-260521T1300Z/ /O.NEW.KGRB.FZ.W.0004.260521T0920Z-260521T1300Z/ Forest-Florence-Northern Marinette County- Including the cities of Niagara, Spread Eagle, Crandon, Wausaukee, Aurora, and Commonwealth 420 AM CDT Thu May 21 2026 ...FREEZE WARNING IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 28. * WHERE...Florence, Forest, and Northern Marinette counties. * WHEN...Until 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. && $$ WIZ020-022-074-211300- /O.EXA.KGRB.FR.Y.0008.000000T0000Z-260521T1300Z/ Menominee-Door-Southern Oconto County- Including the cities of Sturgeon Bay, Sobieski, Little Suamico, Pensaukee, Sister Bay, Brookside, Fish Creek, Neopit, Keshena, and Oconto 420 AM CDT Thu May 21 2026 ...FROST ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Door, Menominee, and Southern Oconto counties. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WIZ005-010-018-019-021-073-211300- /O.CON.KGRB.FR.Y.0008.000000T0000Z-260521T1300Z/ Vilas-Oneida-Lincoln-Langlade-Northern Oconto County-Southern Marinette County- Including the cities of Porterfield, High Falls Reservoir, Mountain, Crivitz, Lakewood, Middle Inlet, Lac Du Flambeau, Townsend, Harmony, Tomahawk, Rhinelander, Loomis, Merrill, Peshtigo, Eagle River, and Antigo 420 AM CDT Thu May 21 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Temperatures as low as 30 will result in frost formation. * WHERE...Langlade, Lincoln, Oneida, Vilas, Northern Oconto County, and Southern Marinette counties. * 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. && $$ For more information, visit us at http://www.weather.gov/GreenBay Kruk Action: Expired Issued At: 2026-05-21 07:54:12 367 WWUS73 KGRB 211253 NPWGRB URGENT - WEATHER MESSAGE National Weather Service Green Bay WI 753 AM CDT Thu May 21 2026 WIZ011>013-211400- /O.EXP.KGRB.FZ.W.0004.000000T0000Z-260521T1300Z/ Forest-Florence-Northern Marinette County- Including the cities of Dunbar, Commonwealth, Pembine, Crandon, Niagara, Laona, Argonne, Hiles, Spread Eagle, Cavour, Aurora, Goodman, Blackwell, and Armstrong Creek 753 AM CDT Thu May 21 2026 ...FREEZE WARNING WILL EXPIRE AT 8 AM CDT THIS MORNING... Temperatures have warmed into the upper 30s to lower 40s; therefore, the Freeze Warning will be allowed to expire. $$ WIZ005-010-018>022-073-074-211400- /O.EXP.KGRB.FR.Y.0008.000000T0000Z-260521T1300Z/ Vilas-Oneida-Lincoln-Langlade-Menominee-Northern Oconto County- Door-Southern Marinette County-Southern Oconto County- Including the cities of Potawatomi State Park, Merrill, Institute, Middle Inlet, Goodnow, Elcho, Antigo, Lakewood, Woodboro, Jeffris, Pine River, Bryant, Bloomville, Pensaukee, Breed, Klondike, Presque Isle, Conover, Neva, Crivitz, Boulder Junction, Polar, Townsend, Keshena, Harmony, Mountain, Deerbrook, High Falls Reservoir, Enterprise, Rhinelander, Doering, Lake Tomahawk, Lac Du Flambeau, Peshtigo, Harrison, Porterfield, Valmy, Loomis, Manitowish Waters, Gleason, Brookside, Starks, Little Suamico, Oconto, Kempster, Clay Banks, Arbor Vitae, Winchester, Mc Naughton, Neopit, and Sobieski 753 AM CDT Thu May 21 2026 ...FROST ADVISORY WILL EXPIRE AT 8 AM CDT THIS MORNING... Temperatures have warmed into the upper 30s to lower 40s; therefore, the Frost Advisory will be allowed to expire. $$ For more information, visit us at http://www.weather.gov/GreenBay Kurimski | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||