266  
WWUS73 KFSD 161556  
NPWFSD  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
1056 AM CDT FRI OCT 16 2026  
 
IAZ001-012-020-031-MNZ071-072-080-097-098-NEZ013-014-SDZ039-040-  
054>056-060>062-065>071-170300-  
/O.UPG.KFSD.FZ.A.0001.261017T0600Z-261017T1300Z/  
/O.EXB.KFSD.FZ.W.0004.261017T0500Z-261017T1400Z/  
LYON-SIOUX-PLYMOUTH-WOODBURY-LINCOLN-LYON-MURRAY-PIPESTONE-ROCK-  
DIXON-DAKOTA-KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-HANSON-MCCOOK-  
MINNEHAHA-HUTCHINSON-TURNER-LINCOLN-BON HOMME-YANKTON-CLAY-UNION-  
INCLUDING THE CITIES OF SLAYTON, PIPESTONE, LUVERNE, NORTH SIOUX  
CITY, CLAYTON, YANKTON, DE SMET, SCOTLAND, HARRISBURG, LAKE BENTON,  
ROCK VALLEY, HENDRICKS, LARCHWOOD, ROCK RAPIDS, SIOUX CENTER, ORLAND,  
GEORGE, ARLINGTON, MONTROSE, MENNO, AVON, SIOUX FALLS, ALCESTER,  
MARSHALL, FULDA, LAKE PRESTON, LENNOX, BERESFORD, EMERY, VERMILLION,  
WAKEFIELD, JEFFERSON, BROOKINGS, IRENE, HULL, ALEXANDRIA,  
CENTERVILLE, HOWARD, INWOOD, LE MARS, SIOUX CITY, ELK POINT,  
HAWARDEN, PARKSTON, FREEMAN, MARION, CHANCELLOR, CANTON, TABOR,  
PONCA, SOUTH SIOUX CITY, IVANHOE, TYNDALL, TYLER, TEA, FLANDREAU,  
ORANGE CITY, BRIDGEWATER, PARKER, VIBORG, MADISON, TRIPP,  
SPRINGFIELD, CANISTOTA, ALLEN, HURLEY, AND SALEM  
1056 AM CDT FRI OCT 16 2026  
 
...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT  
SATURDAY...  
 
* WHAT...SUB-FREEZING TEMPERATURES AS LOW AS 30 EXPECTED.  
 
* WHERE...PORTIONS OF NORTHWEST AND WEST CENTRAL IOWA, SOUTHWEST  
MINNESOTA, NORTHEAST NEBRASKA, AND EAST CENTRAL AND SOUTHEAST SOUTH  
DAKOTA.  
 
* WHEN...FROM MIDNIGHT TONIGHT TO 9 AM CDT SATURDAY.  
 
* 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.  
 
 
 
 
 
IAZ002-003-013-014-021-022-032-MNZ081-089-090-170300-  
/O.EXT.KFSD.FZ.W.0004.261017T0500Z-261017T1400Z/  
OSCEOLA-DICKINSON-O'BRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-  
COTTONWOOD-NOBLES-JACKSON-  
INCLUDING THE CITIES OF SIBLEY, HARTLEY, CHEROKEE, ARNOLDS PARK, IDA  
GROVE, SANBORN, SPENCER, HOLSTEIN, WINDOM, BATTLE CREEK, MILFORD,  
SPIRIT LAKE, SHELDON, MOUNTAIN LAKE, WORTHINGTON, JACKSON, LAKEFIELD,  
AND STORM LAKE  
1056 AM CDT FRI OCT 16 2026  
 
...FREEZE WARNING NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT  
SATURDAY...  
 
* WHAT...SUB-FREEZING TEMPERATURES AS LOW AS 29 EXPECTED.  
 
* WHERE...PORTIONS OF NORTHWEST AND WEST CENTRAL IOWA AND SOUTHWEST  
MINNESOTA.  
 
* WHEN...FROM MIDNIGHT TONIGHT TO 9 AM CDT SATURDAY.  
 
* 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.  
 
 
 
 
 
SDZ038-050-052-053-057>059-063-064-170300-  
/O.NEW.KFSD.FR.Y.0007.261017T0500Z-261017T1400Z/  
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-CHARLES MIX-  
DOUGLAS-  
INCLUDING THE CITIES OF CHAMBERLAIN, LAKE ANDES, MITCHELL, WHITE  
LAKE, WAGNER, STICKNEY, DELMONT, PLATTE, HURON, GREGORY, ALPENA,  
MARTY, ARMOUR, CORSICA, KIMBALL, WOONSOCKET, BURKE, PLANKINTON, AND  
WESSINGTON SPRINGS  
1056 AM CDT FRI OCT 16 2026  
 
...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT  
SATURDAY...  
 
* WHAT...TEMPERATURES AS LOW AS 33 WILL RESULT IN FROST FORMATION.  
 
* WHERE...PORTIONS OF CENTRAL, EAST CENTRAL, SOUTH CENTRAL, AND  
SOUTHEAST SOUTH DAKOTA.  
 
* WHEN...FROM MIDNIGHT TONIGHT TO 9 AM CDT SATURDAY.  
 
* 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.  
 
 
 
 
 
SAMET  
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