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Home Return to list Frost Advisory 0001 Issued by the Boise Forecast Office
Action: New Issued At: 2026-05-18 14:44:53 178 WWUS75 KBOI 181944 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 144 PM MDT Mon May 18 2026 IDZ016-191400- /O.NEW.KBOI.FR.Y.0001.260519T1000Z-260519T1400Z/ Western Magic Valley- Including the cities of Twin Falls 144 PM MDT Mon May 18 2026 ...FROST ADVISORY IN EFFECT FROM 4 AM TO 8 AM MDT TUESDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Western Magic Valley. * WHEN...From 4 AM to 8 AM MDT Tuesday. * 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. && $$ NF Action: Expired Issued At: 2026-05-19 08:49:45 251 WWUS75 KBOI 191349 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 749 AM MDT Tue May 19 2026 IDZ016-191500- /O.EXP.KBOI.FR.Y.0001.000000T0000Z-260519T1400Z/ Western Magic Valley- Including the cities of Twin Falls 749 AM MDT Tue May 19 2026 ...FROST ADVISORY WILL EXPIRE AT 8 AM MDT THIS MORNING... The threat has ended. $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||