Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Sioux Falls, SD

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967
WWUS73 KFSD 250424
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
1124 PM CDT Fri Jul 24 2026

IAZ012-020-031-NEZ013-014-SDZ050-063>065-068>071-251430-
/O.UPG.KFSD.HT.Y.0006.260725T1700Z-260727T0100Z/
/O.NEW.KFSD.XH.W.0003.260725T1700Z-260727T0100Z/
Sioux-Plymouth-Woodbury-Dixon-Dakota-Gregory-Charles Mix-Douglas-
Hutchinson-Bon Homme-Yankton-Clay-Union-
Including the cities of Lake Andes, Delmont, Vermillion, Le Mars, Elk
Point, Clayton, Tyndall, Hawarden, Wakefield, Tabor, Parkston,
Jefferson, Marty, Avon, Sioux City, Alcester, Armour, South Sioux
City, Platte, Tripp, Yankton, Scotland, Ponca, Burke, Wagner,
Gregory, Orange City, Rock Valley, Beresford, Menno, Hull, Sioux
Center, Freeman, North Sioux City, Allen, Springfield, and Corsica
1124 PM CDT Fri Jul 24 2026

...EXTREME HEAT WARNING IN EFFECT FROM NOON SATURDAY TO 8 PM CDT
SUNDAY...

* WHAT...Dangerously hot conditions with heat index values up to 109
  expected.

* WHERE...Portions of northwest and west central Iowa, northeast
  Nebraska, and south central and southeast South Dakota.

* WHEN...From noon Saturday to 8 PM CDT Sunday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

&&

$$

IAZ001>003-013-014-021-022-032-MNZ071-072-080-081-089-090-097-098-
SDZ039-040-054>056-061-062-251430-
/O.CON.KFSD.HT.Y.0006.260725T1700Z-260727T0100Z/
Lyon-Osceola-Dickinson-O`Brien-Clay-Cherokee-Buena Vista-Ida-
Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-
Kingsbury-Brookings-Miner-Lake-Moody-McCook-Minnehaha-
Including the cities of Tyler, Lakefield, Bridgewater, Battle Creek,
Pipestone, Spirit Lake, George, Windom, Inwood, Sanborn, Arlington,
Flandreau, Howard, Mountain Lake, Montrose, De Smet, Lake Preston,
Luverne, Slayton, Ivanhoe, Storm Lake, Canistota, Holstein, Milford,
Sheldon, Hendricks, Salem, Hartley, Ida Grove, Cherokee, Madison,
Lake Benton, Fulda, Sibley, Orland, Marshall, Rock Rapids, Arnolds
Park, Sioux Falls, Jackson, Worthington, Larchwood, Spencer, and
Brookings
1124 PM CDT Fri Jul 24 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO 8 PM CDT
SUNDAY...

* WHAT...Heat index values up to 105 expected.

* WHERE...Portions of northwest and west central Iowa, southwest
  Minnesota, and east central and southeast South Dakota.

* WHEN...From noon Saturday to 8 PM CDT Sunday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

&&

$$

SDZ038-052-053-057>060-066-067-251430-
/O.CON.KFSD.HT.Y.0006.260725T1700Z-260727T0100Z/
Beadle-Jerauld-Sanborn-Brule-Aurora-Davison-Hanson-Turner-Lincoln-
Including the cities of Marion, Tea, Emery, Alpena, Chamberlain,
Huron, White Lake, Parker, Harrisburg, Wessington Springs, Kimball,
Mitchell, Plankinton, Alexandria, Hurley, Lennox, Centerville,
Viborg, Chancellor, Woonsocket, Irene, Stickney, and Canton
1124 PM CDT Fri Jul 24 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO 8 PM CDT
SUNDAY...

* WHAT...Heat index values up to 105 expected.

* WHERE...Portions of central, east central, south central, and
  southeast South Dakota.

* WHEN...From noon Saturday to 8 PM CDT Sunday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

&&

$$

AP