591 WWUS75 KTWC 072054 NPWTWC URGENT - WEATHER MESSAGE National Weather Service Tucson AZ 154 PM MST Thu Nov 7 2024 AZZ503-509-081600- /O.CON.KTWC.FZ.W.0010.241108T0500Z-241108T1600Z/ Upper Santa Cruz River Valley/Altar Valley-Upper Gila River Valley- Including the cities of Safford, Nogales, and Clifton 154 PM MST Thu Nov 7 2024 ...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 9 AM MST FRIDAY... * WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Upper Gila River Valley and Upper Santa Cruz River Valley/Altar Valley. * WHEN...From 10 PM this evening to 9 AM MST Friday. * 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. && $$ AZZ507-508-081600- /O.CON.KTWC.FZ.W.0010.241108T0500Z-241108T1600Z/ Upper San Pedro River Valley-Eastern Cochise County below 5000 feet- Including the cities of Sierra Vista, Benson, Douglas, and Willcox 154 PM MST Thu Nov 7 2024 ...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 9 AM MST FRIDAY... * WHAT...Widespread sub-freezing temperatures, including for localized locales that have yet to see a freeze this season. Temperatures as low as 21 for Friday morning. Coldest temperatures in the Sulphur Springs Valley including Willcox area. * WHERE...Eastern Cochise County below 5000 feet and Upper San Pedro River Valley. * WHEN...From 10 PM this evening to 9 AM MST Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ GEL