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Home Return to list Frost Advisory 0011 Issued by the Grand Rapids Forecast Office
Action: New Issued At: 2026-05-20 12:33:23 250 WWUS73 KGRR 201733 NPWGRR URGENT - WEATHER MESSAGE National Weather Service Grand Rapids MI 133 PM EDT Wed May 20 2026 MIZ037>040-043>046-210145- /O.NEW.KGRR.FR.Y.0011.260521T0500Z-260521T1300Z/ Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella- Including the cities of Big Rapids, Baldwin, Reed City, Clare, Hart, Ludington, Fremont, and Mount Pleasant 133 PM EDT Wed May 20 2026 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM EDT THURSDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Clare, Isabella, Mecosta, Osceola, Lake, Mason, Newaygo, and Oceana Counties. * WHEN...From 1 AM to 9 AM EDT 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. && $$ RAH Action: Continued Issued At: 2026-05-21 02:11:48 087 WWUS73 KGRR 210711 NPWGRR URGENT - WEATHER MESSAGE National Weather Service Grand Rapids MI 311 AM EDT Thu May 21 2026 MIZ037>040-043>046-211300- /O.CON.KGRR.FR.Y.0011.000000T0000Z-260521T1300Z/ Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella- Including the cities of Baldwin, Ludington, Big Rapids, Clare, Fremont, Hart, Reed City, and Mount Pleasant 311 AM EDT Thu May 21 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Clare, Isabella, Mecosta, Osceola, Lake, Mason, Newaygo, and Oceana Counties. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NJJ Action: Cancelled Issued At: 2026-05-21 07:04:40 127 WWUS73 KGRR 211204 NPWGRR URGENT - WEATHER MESSAGE National Weather Service Grand Rapids MI 804 AM EDT Thu May 21 2026 MIZ037>040-043>046-211315- /O.CAN.KGRR.FR.Y.0011.000000T0000Z-260521T1300Z/ Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella- Including the cities of Reed City, Clare, Baldwin, Hart, Fremont, Mount Pleasant, Ludington, and Big Rapids 804 AM EDT Thu May 21 2026 ...FROST ADVISORY IS CANCELLED... The threat has ended. $$ RAH | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||