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Home Return to list Heat Advisory 0004 Issued by the Sioux Falls Forecast Office
Action: New Issued At: 2025-07-22 14:13:25 995 WWUS73 KFSD 221913 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 213 PM CDT Tue Jul 22 2025 IAZ003-012>014-020>022-031-032-NEZ013-014-SDZ070-071-230315- /O.NEW.KFSD.HT.Y.0004.250723T1700Z-250724T0100Z/ /O.CON.KFSD.HT.Y.0003.000000T0000Z-250723T0100Z/ Dickinson-Sioux-OBrien-Clay-Plymouth-Cherokee-Buena Vista- Woodbury-Ida-Dixon-Dakota-Clay-Union- Including the cities of Elk Point, Vermillion, Holstein, Spencer, North Sioux City, Rock Valley, Storm Lake, Orange City, Allen, Cherokee, Sioux City, Arnolds Park, Wakefield, Alcester, Sheldon, Spirit Lake, Battle Creek, South Sioux City, Hull, Sanborn, Ponca, Milford, Hawarden, Le Mars, Sioux Center, Jefferson, Ida Grove, Beresford, and Hartley 213 PM CDT Tue Jul 22 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT WEDNESDAY... * WHAT...For the first Heat Advisory, heat index values up to 101. For the second Heat Advisory, heat index values up to 104 expected. * WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from noon to 8 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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. 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. && $$ IAZ001-002-MNZ071-072-080-081-089-090-097-098-SDZ038>040-050-052>069- 230100- /O.CON.KFSD.HT.Y.0003.000000T0000Z-250723T0100Z/ Lyon-Osceola-Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson- Pipestone-Rock-Beadle-Kingsbury-Brookings-Gregory-Jerauld-Sanborn- Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-Minnehaha- Charles Mix-Douglas-Hutchinson-Turner-Lincoln-Bon Homme-Yankton- Including the cities of Hendricks, Flandreau, Canistota, Inwood, Sioux Falls, Parkston, Pipestone, Kimball, Marion, Hurley, Howard, Centerville, Harrisburg, Woonsocket, Canton, Avon, Worthington, De Smet, Marty, Tyndall, Sibley, Emery, Platte, Armour, Larchwood, Clayton, Jackson, Wagner, Huron, Springfield, Chamberlain, Plankinton, Mitchell, Menno, Alexandria, Alpena, Madison, Viborg, Bridgewater, Tripp, George, Irene, Chancellor, Scotland, Parker, Tyler, Wessington Springs, Delmont, Salem, Gregory, Lake Andes, Lakefield, Corsica, Fulda, Stickney, Rock Rapids, Windom, Marshall, White Lake, Arlington, Yankton, Tabor, Burke, Lake Benton, Mountain Lake, Slayton, Lennox, Tea, Ivanhoe, Luverne, Brookings, Freeman, Montrose, Orland, and Lake Preston 213 PM CDT Tue Jul 22 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 104. * WHERE...Portions of northwest Iowa, southwest Minnesota, and central, east central, south central, and southeast South Dakota. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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. 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. && $$ AP Action: Continued Issued At: 2025-07-22 19:54:59 560 WWUS73 KFSD 230054 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 754 PM CDT Tue Jul 22 2025 IAZ003-012>014-020>022-031-032-NEZ013-014-SDZ070-071-231200- /O.EXP.KFSD.HT.Y.0003.000000T0000Z-250723T0100Z/ /O.CON.KFSD.HT.Y.0004.250723T1700Z-250724T0100Z/ Dickinson-Sioux-OBrien-Clay-Plymouth-Cherokee-Buena Vista- Woodbury-Ida-Dixon-Dakota-Clay-Union- Including the cities of Ida Grove, Allen, Sioux City, North Sioux City, South Sioux City, Arnolds Park, Rock Valley, Hull, Spirit Lake, Hartley, Orange City, Sioux Center, Jefferson, Ponca, Sheldon, Wakefield, Vermillion, Holstein, Spencer, Storm Lake, Cherokee, Elk Point, Hawarden, Battle Creek, Milford, Beresford, Sanborn, Alcester, and Le Mars 754 PM CDT Tue Jul 22 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT WEDNESDAY... * WHAT...Heat index values up to 105 expected. * WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. * WHEN...From noon to 8 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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. 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. && $$ IAZ001-002-MNZ071-072-080-081-089-090-097-098-SDZ038>040-050-052>069- 230200- /O.EXP.KFSD.HT.Y.0003.000000T0000Z-250723T0100Z/ Lyon-Osceola-Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson- Pipestone-Rock-Beadle-Kingsbury-Brookings-Gregory-Jerauld-Sanborn- Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-Minnehaha- Charles Mix-Douglas-Hutchinson-Turner-Lincoln-Bon Homme-Yankton- Including the cities of Armour, Howard, Tyler, Larchwood, Lake Preston, Woonsocket, Clayton, Harrisburg, Tabor, Stickney, Slayton, Burke, Delmont, Fulda, Sibley, Parker, Corsica, Yankton, Wagner, Marty, Menno, Viborg, Worthington, Pipestone, Freeman, Mountain Lake, Arlington, Irene, Marshall, Tea, Rock Rapids, Centerville, White Lake, Chancellor, Lennox, Salem, Springfield, Brookings, Plankinton, Hendricks, Chamberlain, Parkston, Lake Benton, Jackson, Gregory, Canistota, Alexandria, Montrose, Emery, Kimball, Platte, Wessington Springs, George, Alpena, Lake Andes, Madison, Ivanhoe, Mitchell, Bridgewater, Tyndall, Scotland, Luverne, Canton, Tripp, Marion, Lakefield, Huron, Orland, Hurley, Windom, De Smet, Sioux Falls, Inwood, Avon, and Flandreau 754 PM CDT Tue Jul 22 2025 ...HEAT ADVISORY WILL EXPIRE AT 8 PM CDT THIS EVENING... Temperatures and heat indices will continue to gradually decrease heading into the overnight hours. $$ IG Action: Continued Issued At: 2025-07-23 03:38:28 727 WWUS73 KFSD 230837 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 337 AM CDT Wed Jul 23 2025 IAZ003-012>014-020>022-031-032-NEZ013-014-SDZ070-071-231800- /O.CON.KFSD.HT.Y.0004.250723T1700Z-250724T0100Z/ Dickinson-Sioux-OBrien-Clay-Plymouth-Cherokee-Buena Vista- Woodbury-Ida-Dixon-Dakota-Union- Including the cities of Spirit Lake, Milford, Arnolds Park, Sioux Center, Orange City, Rock Valley, Hawarden, Hull, Sheldon, Hartley, Sanborn, Spencer, Le Mars, Cherokee, Storm Lake, Sioux City, Ida Grove, Holstein, Battle Creek, Wakefield, Ponca, Allen, South Sioux City, Vermillion, North Sioux City, Beresford, Elk Point, Alcester, and Jefferson 337 AM CDT Wed Jul 23 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT WEDNESDAY... * WHAT...Heat index values up to 105 expected. * WHERE...Portions of northwest and west central Iowa, northeast Nebraska and far southeast South Dakota. * WHEN...From noon today to 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. 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. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. 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. && $$ Action: Continued Issued At: 2025-07-23 12:50:00 974 WWUS73 KFSD 231749 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 1249 PM CDT Wed Jul 23 2025 IAZ003-012>014-020>022-031-032-NEZ013-014-SDZ070-071-240100- /O.CON.KFSD.HT.Y.0004.000000T0000Z-250724T0100Z/ Dickinson-Sioux-OBrien-Clay-Plymouth-Cherokee-Buena Vista- Woodbury-Ida-Dixon-Dakota-Clay-Union- Including the cities of Elk Point, Orange City, Sheldon, Alcester, Holstein, Hull, Beresford, Spirit Lake, Arnolds Park, Sioux Center, Jefferson, Rock Valley, South Sioux City, Le Mars, Sioux City, Battle Creek, Hartley, Hawarden, Allen, Sanborn, Storm Lake, Cherokee, Ponca, Vermillion, Milford, North Sioux City, Wakefield, Spencer, and Ida Grove 1249 PM CDT Wed Jul 23 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 104. * WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ AP Action: Expired Issued At: 2025-07-23 19:50:42 050 WWUS73 KFSD 240050 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 750 PM CDT Wed Jul 23 2025 IAZ003-012>014-020>022-031-032-NEZ013-014-SDZ070-071-240200- /O.EXP.KFSD.HT.Y.0004.000000T0000Z-250724T0100Z/ Dickinson-Sioux-OBrien-Clay-Plymouth-Cherokee-Buena Vista- Woodbury-Ida-Dixon-Dakota-Clay-Union- Including the cities of Alcester, Hawarden, Hartley, Sheldon, Sioux Center, Sioux City, Arnolds Park, Vermillion, Hull, Spirit Lake, Ida Grove, Milford, Storm Lake, Orange City, North Sioux City, Beresford, Elk Point, Battle Creek, Spencer, Rock Valley, Wakefield, South Sioux City, Sanborn, Jefferson, Cherokee, Ponca, Allen, Le Mars, and Holstein 750 PM CDT Wed Jul 23 2025 ...HEAT ADVISORY WILL EXPIRE AT 8 PM CDT THIS EVENING... Conditions have improved this evening, and stations are below Heat Advisory criteria. Therefore, the Advisory will be allowed to expire. $$ SG | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||