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Monday, Dec 08, 2025 12:08:13

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Dense Fog Advisory 0020
Issued by the Sioux Falls Forecast Office

Action Issued Starts Expiration
New 2025-12-08 05:36:07 2025-12-08 06:00:00 2025-12-08 11:00:00
Continued 2025-12-08 10:06:15 2025-12-08 11:00:00
Time and Area Extended 2025-12-08 10:06:15 2025-12-08 22:00:00
Time Extended 2025-12-08 10:55:16 2025-12-08 22:00:00
Continued 2025-12-08 10:55:16 2025-12-08 22:00:00


Action: New
Issued At: 2025-12-08 05:36:07

370 
WWUS73 KFSD 081135
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
535 AM CST Mon Dec 8 2025

SDZ052-057-058-081700-
/O.NEW.KFSD.FG.Y.0020.251208T1200Z-251208T1700Z/
Jerauld-Brule-Aurora-
Including the cities of Kimball, White Lake, Stickney,
Chamberlain, Wessington Springs, Alpena, and Plankinton
535 AM CST Mon Dec 8 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CST THIS MORNING...

* WHAT...Visibility less than one mile in dense fog.

* WHERE...Jerauld, Aurora, and Brule Counties.

* WHEN...Until 11 AM CST this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

IG


Action: Continued
Issued At: 2025-12-08 10:06:15

863 
WWUS73 KFSD 081605
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
1005 AM CST Mon Dec 8 2025

IAZ001>003-012>014-020>022-032-MNZ071-080-081-089-090-097-098-
SDZ038>040-053>056-062-090100-
/O.EXB.KFSD.FG.Y.0020.000000T0000Z-251209T0400Z/
Lyon-Osceola-Dickinson-Sioux-OBrien-Clay-Plymouth-Cherokee-Buena
Vista-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-
Beadle-Kingsbury-Brookings-Sanborn-Miner-Lake-Moody-Minnehaha-
Including the cities of Hendricks, Mountain Lake, Orange City,
Madison, Woonsocket, Sheldon, Flandreau, Hull, Fulda, Battle
Creek, Brookings, Lakefield, Tyler, Hartley, Sibley, George, Lake
Preston, Arnolds Park, Spencer, Arlington, Storm Lake, Sioux
Falls, Holstein, Slayton, Lake Benton, Cherokee, Sanborn,
Worthington, De Smet, Ivanhoe, Ida Grove, Luverne, Hawarden,
Huron, Jackson, Spirit Lake, Rock Valley, Orland, Larchwood,
Milford, Howard, Windom, Pipestone, Sioux Center, Le Mars, Rock
Rapids, and Inwood
1005 AM CST Mon Dec 8 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING...

* WHAT...Visibility less than one mile in dense fog.

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

* WHEN...Until 10 PM CST this evening.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

SDZ052-057-058-081715-
/O.CON.KFSD.FG.Y.0020.000000T0000Z-251208T1700Z/
Jerauld-Brule-Aurora-
Including the cities of Alpena, Chamberlain, Stickney, Kimball,
Plankinton, Wessington Springs, and White Lake
1005 AM CST Mon Dec 8 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS 
MORNING...

* WHAT...Visibility less than one mile in dense fog.

* WHERE...Jerauld, Aurora, and Brule Counties.

* WHEN...Until 11 AM CST this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

Meyers


Action: Time and Area Extended
Issued At: 2025-12-08 10:06:15

863 
WWUS73 KFSD 081605
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
1005 AM CST Mon Dec 8 2025

IAZ001>003-012>014-020>022-032-MNZ071-080-081-089-090-097-098-
SDZ038>040-053>056-062-090100-
/O.EXB.KFSD.FG.Y.0020.000000T0000Z-251209T0400Z/
Lyon-Osceola-Dickinson-Sioux-OBrien-Clay-Plymouth-Cherokee-Buena
Vista-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-
Beadle-Kingsbury-Brookings-Sanborn-Miner-Lake-Moody-Minnehaha-
Including the cities of Hendricks, Mountain Lake, Orange City,
Madison, Woonsocket, Sheldon, Flandreau, Hull, Fulda, Battle
Creek, Brookings, Lakefield, Tyler, Hartley, Sibley, George, Lake
Preston, Arnolds Park, Spencer, Arlington, Storm Lake, Sioux
Falls, Holstein, Slayton, Lake Benton, Cherokee, Sanborn,
Worthington, De Smet, Ivanhoe, Ida Grove, Luverne, Hawarden,
Huron, Jackson, Spirit Lake, Rock Valley, Orland, Larchwood,
Milford, Howard, Windom, Pipestone, Sioux Center, Le Mars, Rock
Rapids, and Inwood
1005 AM CST Mon Dec 8 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING...

* WHAT...Visibility less than one mile in dense fog.

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

* WHEN...Until 10 PM CST this evening.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

SDZ052-057-058-081715-
/O.CON.KFSD.FG.Y.0020.000000T0000Z-251208T1700Z/
Jerauld-Brule-Aurora-
Including the cities of Alpena, Chamberlain, Stickney, Kimball,
Plankinton, Wessington Springs, and White Lake
1005 AM CST Mon Dec 8 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS 
MORNING...

* WHAT...Visibility less than one mile in dense fog.

* WHERE...Jerauld, Aurora, and Brule Counties.

* WHEN...Until 11 AM CST this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

Meyers


Action: Time Extended
Issued At: 2025-12-08 10:55:16

991 
WWUS73 KFSD 081654
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
1054 AM CST Mon Dec 8 2025

SDZ052-057-058-090100-
/O.EXT.KFSD.FG.Y.0020.000000T0000Z-251209T0400Z/
Jerauld-Brule-Aurora-
Including the cities of Alpena, Chamberlain, Stickney, Kimball,
Plankinton, Wessington Springs, and White Lake
1054 AM CST Mon Dec 8 2025

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 10 PM CST THIS EVENING...

* WHAT...Visibility less than one mile in dense fog.

* WHERE...Jerauld, Aurora, and Brule Counties.

* WHEN...Until 10 PM CST this evening.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

IAZ001>003-012>014-020>022-032-MNZ071-080-081-089-090-097-098-
SDZ038>040-053>056-062-090100-
/O.CON.KFSD.FG.Y.0020.000000T0000Z-251209T0400Z/
Lyon-Osceola-Dickinson-Sioux-OBrien-Clay-Plymouth-Cherokee-Buena
Vista-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-
Beadle-Kingsbury-Brookings-Sanborn-Miner-Lake-Moody-Minnehaha-
Including the cities of Hendricks, Mountain Lake, Orange City,
Madison, Woonsocket, Sheldon, Flandreau, Hull, Fulda, Battle
Creek, Brookings, Lakefield, Tyler, Hartley, Sibley, George, Lake
Preston, Arnolds Park, Spencer, Arlington, Storm Lake, Sioux
Falls, Holstein, Slayton, Lake Benton, Cherokee, Sanborn,
Worthington, De Smet, Ivanhoe, Ida Grove, Luverne, Hawarden,
Huron, Jackson, Spirit Lake, Rock Valley, Orland, Larchwood,
Milford, Howard, Windom, Pipestone, Sioux Center, Le Mars, Rock
Rapids, and Inwood
1054 AM CST Mon Dec 8 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS 
EVENING...

* WHAT...Visibility less than one mile in dense fog.

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

* WHEN...Until 10 PM CST this evening.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

Meyers


Action: Continued
Issued At: 2025-12-08 10:55:16

991 
WWUS73 KFSD 081654
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
1054 AM CST Mon Dec 8 2025

SDZ052-057-058-090100-
/O.EXT.KFSD.FG.Y.0020.000000T0000Z-251209T0400Z/
Jerauld-Brule-Aurora-
Including the cities of Alpena, Chamberlain, Stickney, Kimball,
Plankinton, Wessington Springs, and White Lake
1054 AM CST Mon Dec 8 2025

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 10 PM CST THIS EVENING...

* WHAT...Visibility less than one mile in dense fog.

* WHERE...Jerauld, Aurora, and Brule Counties.

* WHEN...Until 10 PM CST this evening.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

IAZ001>003-012>014-020>022-032-MNZ071-080-081-089-090-097-098-
SDZ038>040-053>056-062-090100-
/O.CON.KFSD.FG.Y.0020.000000T0000Z-251209T0400Z/
Lyon-Osceola-Dickinson-Sioux-OBrien-Clay-Plymouth-Cherokee-Buena
Vista-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-
Beadle-Kingsbury-Brookings-Sanborn-Miner-Lake-Moody-Minnehaha-
Including the cities of Hendricks, Mountain Lake, Orange City,
Madison, Woonsocket, Sheldon, Flandreau, Hull, Fulda, Battle
Creek, Brookings, Lakefield, Tyler, Hartley, Sibley, George, Lake
Preston, Arnolds Park, Spencer, Arlington, Storm Lake, Sioux
Falls, Holstein, Slayton, Lake Benton, Cherokee, Sanborn,
Worthington, De Smet, Ivanhoe, Ida Grove, Luverne, Hawarden,
Huron, Jackson, Spirit Lake, Rock Valley, Orland, Larchwood,
Milford, Howard, Windom, Pipestone, Sioux Center, Le Mars, Rock
Rapids, and Inwood
1054 AM CST Mon Dec 8 2025

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 PM CST THIS 
EVENING...

* WHAT...Visibility less than one mile in dense fog.

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

* WHEN...Until 10 PM CST this evening.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

Meyers



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