572
WWUS73 KFSD 170749
NPWFSD
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
249 AM CDT SAT OCT 17 2026
IAZ001-012-020-031-MNZ071-072-080-097-098-NEZ013-014-SDZ039-040-
054>056-060>062-065>071-171400-
/O.CON.KFSD.FZ.W.0004.000000T0000Z-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 MADISON, FLANDREAU, EMERY, AVON, LAKE
PRESTON, CANTON, PONCA, SIOUX FALLS, TEA, NORTH SIOUX CITY, PARKSTON,
BERESFORD, HOWARD, INWOOD, SCOTLAND, SALEM, WAKEFIELD, SIOUX CITY,
MENNO, ELK POINT, TYLER, BROOKINGS, ALCESTER, FULDA, CANISTOTA,
MONTROSE, FREEMAN, VIBORG, HURLEY, JEFFERSON, HAWARDEN, LAKE BENTON,
HULL, LUVERNE, LE MARS, HARRISBURG, IRENE, YANKTON, TABOR, IVANHOE,
ALEXANDRIA, SLAYTON, CENTERVILLE, BRIDGEWATER, CHANCELLOR, LARCHWOOD,
MARSHALL, ORLAND, SPRINGFIELD, HENDRICKS, LENNOX, PARKER, ORANGE
CITY, SIOUX CENTER, ARLINGTON, CLAYTON, GEORGE, ALLEN, SOUTH SIOUX
CITY, TRIPP, ROCK VALLEY, PIPESTONE, TYNDALL, VERMILLION, ROCK
RAPIDS, DE SMET, AND MARION
249 AM CDT SAT OCT 17 2026
..FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING
* WHAT...SUB-FREEZING TEMPERATURES AS LOW AS 30.
* WHERE...PORTIONS OF NORTHWEST AND WEST CENTRAL IOWA, SOUTHWEST
MINNESOTA, NORTHEAST NEBRASKA, AND EAST CENTRAL AND SOUTHEAST SOUTH
DAKOTA.
* WHEN...UNTIL 9 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.
IAZ002-003-013-014-021-022-032-MNZ081-089-090-171400-
/O.CON.KFSD.FZ.W.0004.000000T0000Z-261017T1400Z/
OSCEOLA-DICKINSON-O'BRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-
COTTONWOOD-NOBLES-JACKSON-
INCLUDING THE CITIES OF STORM LAKE, JACKSON, SHELDON, SPIRIT LAKE,
MOUNTAIN LAKE, LAKEFIELD, SIBLEY, WINDOM, ARNOLDS PARK, SPENCER,
SANBORN, IDA GROVE, BATTLE CREEK, WORTHINGTON, MILFORD, HARTLEY,
CHEROKEE, AND HOLSTEIN
249 AM CDT SAT OCT 17 2026
..FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING
* WHAT...SUB-FREEZING TEMPERATURES AS LOW AS 29.
* WHERE...PORTIONS OF NORTHWEST AND WEST CENTRAL IOWA AND SOUTHWEST
MINNESOTA.
* WHEN...UNTIL 9 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.
SDZ038-050-052-053-057>059-063-064-171400-
/O.CON.KFSD.FR.Y.0007.000000T0000Z-261017T1400Z/
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-CHARLES MIX-
DOUGLAS-
INCLUDING THE CITIES OF KIMBALL, WESSINGTON SPRINGS, WAGNER, ALPENA,
LAKE ANDES, WHITE LAKE, CHAMBERLAIN, PLANKINTON, MARTY, STICKNEY,
HURON, GREGORY, ARMOUR, CORSICA, PLATTE, DELMONT, WOONSOCKET,
MITCHELL, AND BURKE
249 AM CDT SAT OCT 17 2026
..FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING
* WHAT...TEMPERATURES AS LOW AS 33 WILL RESULT IN FROST FORMATION.
* WHERE...PORTIONS OF CENTRAL, EAST CENTRAL, SOUTH CENTRAL, AND
SOUTHEAST SOUTH DAKOTA.
* WHEN...UNTIL 9 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.
SG
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