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Freeze Warning 0001
Issued by the Aberdeen Forecast Office

Action Issued Starts Expiration
New 2026-05-19 00:51:13 2026-05-19 23:00:00 2026-05-20 08:00:00
New 2026-05-19 00:51:13 2026-05-19 23:00:00 2026-05-20 08:00:00
Continued 2026-05-19 07:22:42 2026-05-19 23:00:00 2026-05-20 08:00:00
Continued 2026-05-19 07:22:42 2026-05-19 23:00:00 2026-05-20 08:00:00
Time Extended 2026-05-19 12:55:24 2026-05-20 01:00:00 2026-05-20 08:00:00
Continued 2026-05-19 22:04:44 2026-05-20 01:00:00 2026-05-20 08:00:00
Expired 2026-05-20 07:42:12 2026-05-20 08:00:00


Action: New
Issued At: 2026-05-19 00:51:13

982 
WWUS73 KABR 190550
NPWABR

URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
1250 AM CDT Tue May 19 2026

SDZ004-005-009-010-016-034-035-191600-
/O.NEW.KABR.FZ.W.0001.260520T0400Z-260520T1300Z/
/O.CON.KABR.FR.Y.0003.260519T0900Z-260519T1400Z/
Campbell-McPherson-Walworth-Edmunds-Potter-Sully-Hughes-
Including the cities of Ipswich, Onida, Gettysburg, Herreid,
Pierre, Mobridge, and Eureka
1250 AM CDT Tue May 19 2026

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM CDT THIS 
MORNING...
...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 AM CDT 
WEDNESDAY...

* WHAT...For the Frost Advisory, temperatures as low as 36 will 
  result in frost formation. For the Freeze Warning, sub-freezing 
  temperatures as low as 30 expected.

* WHERE...Hughes, Sully, Campbell, Edmunds, McPherson, Potter, and 
  Walworth Counties.

* WHEN...For the Frost Advisory, from 4 AM to 9 AM CDT this morning. 
  For the Freeze Warning, from 11 PM this evening to 8 AM CDT 
  Wednesday.

* IMPACTS...Frost and freeze conditions could kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing. 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.

&&

$$

SDZ006>008-011-017>023-036-037-051-191600-
/O.NEW.KABR.FZ.W.0001.260520T0400Z-260520T1300Z/
Brown-Marshall-Roberts-Day-Faulk-Spink-Clark-Codington-Grant-
Hamlin-Deuel-Hyde-Hand-Buffalo-
Including the cities of Watertown, Redfield, Aberdeen, Webster,
Fort Thompson, Faulkton, Highmore, Milbank, Miller, Britton,
Sisseton, Clark, Hayti, and Clear Lake
1250 AM CDT Tue May 19 2026

...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 AM CDT 
WEDNESDAY...

* WHAT...Sub-freezing temperatures as low as 28 expected.

* WHERE...Portions of central, north central, and northeast South 
  Dakota.

* WHEN...From 11 PM this evening to 8 AM CDT Wednesday.

* 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.

&&

$$

SDZ003-015-033-045-191400-
/O.CON.KABR.FR.Y.0003.260519T0900Z-260519T1400Z/
Corson-Dewey-Stanley-Jones-
Including the cities of Fort Pierre, McIntosh, Murdo, and Isabel
1250 AM CDT Tue May 19 2026 /1150 PM MDT Mon May 18 2026/

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM CDT /3 AM MDT/ TO 9 AM 
CDT /8 AM MDT/ THIS MORNING...

* WHAT...Temperatures as low as 36 will result in frost formation.

* WHERE...Jones, Stanley, Corson, and Dewey Counties.

* WHEN...From 4 AM CDT /3 AM MDT/ to 9 AM CDT /8 AM MDT/ 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.

&&

$$

07


Action: New
Issued At: 2026-05-19 00:51:13

982 
WWUS73 KABR 190550
NPWABR

URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
1250 AM CDT Tue May 19 2026

SDZ004-005-009-010-016-034-035-191600-
/O.NEW.KABR.FZ.W.0001.260520T0400Z-260520T1300Z/
/O.CON.KABR.FR.Y.0003.260519T0900Z-260519T1400Z/
Campbell-McPherson-Walworth-Edmunds-Potter-Sully-Hughes-
Including the cities of Ipswich, Onida, Gettysburg, Herreid,
Pierre, Mobridge, and Eureka
1250 AM CDT Tue May 19 2026

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM CDT THIS 
MORNING...
...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 AM CDT 
WEDNESDAY...

* WHAT...For the Frost Advisory, temperatures as low as 36 will 
  result in frost formation. For the Freeze Warning, sub-freezing 
  temperatures as low as 30 expected.

* WHERE...Hughes, Sully, Campbell, Edmunds, McPherson, Potter, and 
  Walworth Counties.

* WHEN...For the Frost Advisory, from 4 AM to 9 AM CDT this morning. 
  For the Freeze Warning, from 11 PM this evening to 8 AM CDT 
  Wednesday.

* IMPACTS...Frost and freeze conditions could kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing. 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.

&&

$$

SDZ006>008-011-017>023-036-037-051-191600-
/O.NEW.KABR.FZ.W.0001.260520T0400Z-260520T1300Z/
Brown-Marshall-Roberts-Day-Faulk-Spink-Clark-Codington-Grant-
Hamlin-Deuel-Hyde-Hand-Buffalo-
Including the cities of Watertown, Redfield, Aberdeen, Webster,
Fort Thompson, Faulkton, Highmore, Milbank, Miller, Britton,
Sisseton, Clark, Hayti, and Clear Lake
1250 AM CDT Tue May 19 2026

...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 AM CDT 
WEDNESDAY...

* WHAT...Sub-freezing temperatures as low as 28 expected.

* WHERE...Portions of central, north central, and northeast South 
  Dakota.

* WHEN...From 11 PM this evening to 8 AM CDT Wednesday.

* 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.

&&

$$

SDZ003-015-033-045-191400-
/O.CON.KABR.FR.Y.0003.260519T0900Z-260519T1400Z/
Corson-Dewey-Stanley-Jones-
Including the cities of Fort Pierre, McIntosh, Murdo, and Isabel
1250 AM CDT Tue May 19 2026 /1150 PM MDT Mon May 18 2026/

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM CDT /3 AM MDT/ TO 9 AM 
CDT /8 AM MDT/ THIS MORNING...

* WHAT...Temperatures as low as 36 will result in frost formation.

* WHERE...Jones, Stanley, Corson, and Dewey Counties.

* WHEN...From 4 AM CDT /3 AM MDT/ to 9 AM CDT /8 AM MDT/ 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.

&&

$$

07


Action: Continued
Issued At: 2026-05-19 07:22:42

229 
WWUS73 KABR 191222
NPWABR

URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
722 AM CDT Tue May 19 2026

SDZ004-005-009-010-016-034-035-192230-
/O.CAN.KABR.FR.Y.0003.000000T0000Z-260519T1400Z/
/O.CON.KABR.FZ.W.0001.260520T0400Z-260520T1300Z/
Campbell-McPherson-Walworth-Edmunds-Potter-Sully-Hughes-
Including the cities of Eureka, Gettysburg, Mobridge, Herreid,
Ipswich, Onida, and Pierre
722 AM CDT Tue May 19 2026

...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM 
CDT WEDNESDAY...
...FROST ADVISORY IS CANCELLED...

* WHAT...Sub-freezing temperatures as low as 30 degrees expected.

* WHERE...Hughes, Sully, Campbell, Edmunds, McPherson, Potter, and 
  Walworth Counties.

* WHEN...From 11 PM this evening to 8 AM CDT Wednesday.

* 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.

&&

$$

SDZ003-015-033-045-191330-
/O.CAN.KABR.FR.Y.0003.000000T0000Z-260519T1400Z/
Corson-Dewey-Stanley-Jones-
Including the cities of Isabel, McIntosh, Fort Pierre, and Murdo
722 AM CDT Tue May 19 2026 /622 AM MDT Tue May 19 2026/

...FROST ADVISORY IS CANCELLED...

Temperatures have warmed and frost is now longer expected.

$$

SDZ006>008-011-017>023-036-037-051-192230-
/O.CON.KABR.FZ.W.0001.260520T0400Z-260520T1300Z/
Brown-Marshall-Roberts-Day-Faulk-Spink-Clark-Codington-Grant-
Hamlin-Deuel-Hyde-Hand-Buffalo-
Including the cities of Britton, Sisseton, Redfield, Faulkton,
Clark, Watertown, Milbank, Miller, Highmore, Aberdeen, Fort
Thompson, Hayti, Clear Lake, and Webster
722 AM CDT Tue May 19 2026

...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM 
CDT WEDNESDAY...

* WHAT...Sub-freezing temperatures from 28 to 32 degrees expected.

* WHERE...Portions of central, north central, and northeast South 
  Dakota.

* WHEN...From 11 PM this evening to 8 AM CDT Wednesday.

* 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.

&&

$$

TMT


Action: Continued
Issued At: 2026-05-19 07:22:42

229 
WWUS73 KABR 191222
NPWABR

URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
722 AM CDT Tue May 19 2026

SDZ004-005-009-010-016-034-035-192230-
/O.CAN.KABR.FR.Y.0003.000000T0000Z-260519T1400Z/
/O.CON.KABR.FZ.W.0001.260520T0400Z-260520T1300Z/
Campbell-McPherson-Walworth-Edmunds-Potter-Sully-Hughes-
Including the cities of Eureka, Gettysburg, Mobridge, Herreid,
Ipswich, Onida, and Pierre
722 AM CDT Tue May 19 2026

...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM 
CDT WEDNESDAY...
...FROST ADVISORY IS CANCELLED...

* WHAT...Sub-freezing temperatures as low as 30 degrees expected.

* WHERE...Hughes, Sully, Campbell, Edmunds, McPherson, Potter, and 
  Walworth Counties.

* WHEN...From 11 PM this evening to 8 AM CDT Wednesday.

* 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.

&&

$$

SDZ003-015-033-045-191330-
/O.CAN.KABR.FR.Y.0003.000000T0000Z-260519T1400Z/
Corson-Dewey-Stanley-Jones-
Including the cities of Isabel, McIntosh, Fort Pierre, and Murdo
722 AM CDT Tue May 19 2026 /622 AM MDT Tue May 19 2026/

...FROST ADVISORY IS CANCELLED...

Temperatures have warmed and frost is now longer expected.

$$

SDZ006>008-011-017>023-036-037-051-192230-
/O.CON.KABR.FZ.W.0001.260520T0400Z-260520T1300Z/
Brown-Marshall-Roberts-Day-Faulk-Spink-Clark-Codington-Grant-
Hamlin-Deuel-Hyde-Hand-Buffalo-
Including the cities of Britton, Sisseton, Redfield, Faulkton,
Clark, Watertown, Milbank, Miller, Highmore, Aberdeen, Fort
Thompson, Hayti, Clear Lake, and Webster
722 AM CDT Tue May 19 2026

...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM 
CDT WEDNESDAY...

* WHAT...Sub-freezing temperatures from 28 to 32 degrees expected.

* WHERE...Portions of central, north central, and northeast South 
  Dakota.

* WHEN...From 11 PM this evening to 8 AM CDT Wednesday.

* 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.

&&

$$

TMT


Action: Time Extended
Issued At: 2026-05-19 12:55:24

298 
WWUS73 KABR 191755
NPWABR

URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
1255 PM CDT Tue May 19 2026

SDZ004>011-016>023-034>037-051-200400-
/O.EXT.KABR.FZ.W.0001.260520T0600Z-260520T1300Z/
Campbell-McPherson-Brown-Marshall-Roberts-Walworth-Edmunds-Day-
Potter-Faulk-Spink-Clark-Codington-Grant-Hamlin-Deuel-Sully-
Hughes-Hyde-Hand-Buffalo-
Including the cities of Sisseton, Herreid, Miller, Aberdeen,
Ipswich, Hayti, Pierre, Eureka, Faulkton, Redfield, Watertown,
Milbank, Onida, Britton, Mobridge, Highmore, Clear Lake, Webster,
Clark, Gettysburg, and Fort Thompson
1255 PM CDT Tue May 19 2026

...FREEZE WARNING NOW IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY...

* WHAT...Sub-freezing temperatures from 28 to 32 degrees expected.

* WHERE...Portions of central, north central, and northeast South 
  Dakota.

* WHEN...From 1 AM to 8 AM CDT Wednesday.

* 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.

&&

$$

MNZ039-046-200400-
/O.NEW.KABR.FR.Y.0004.260520T0600Z-260520T1300Z/
Traverse-Big Stone-
Including the cities of Ortonville and Wheaton
1255 PM CDT Tue May 19 2026

...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT WEDNESDAY...

* WHAT...Temperatures as low as 33 degrees will result in frost 
  formation.

* WHERE...Big Stone and Traverse Counties.

* WHEN...From 1 AM to 8 AM CDT Wednesday.

* 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.

&&

$$

SDZ003-015-033-045-048-200400-
/O.NEW.KABR.FR.Y.0004.260520T0600Z-260520T1300Z/
Corson-Dewey-Stanley-Jones-Lyman-
Including the cities of Isabel, Murdo, Fort Pierre, McIntosh, and
Kennebec
1255 PM CDT Tue May 19 2026 /1155 AM MDT Tue May 19 2026/

...FROST ADVISORY IN EFFECT FROM 1 AM CDT /MIDNIGHT MDT/ TO 8 AM CDT 
/7 AM MDT/ WEDNESDAY...

* WHAT...Temperatures from 33 to 35 degrees will result in frost 
  formation.

* WHERE...Jones, Lyman, Stanley, Corson, and Dewey Counties.

* WHEN...From 1 AM CDT /midnight MDT/ to 8 AM CDT /7 AM MDT/ 
  Wednesday.

* 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.

&&

$$

TMT


Action: Continued
Issued At: 2026-05-19 22:04:44

825 
WWUS73 KABR 200304
NPWABR

URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
1004 PM CDT Tue May 19 2026

SDZ004>011-016>023-034>037-051-201300-
/O.CON.KABR.FZ.W.0001.260520T0600Z-260520T1300Z/
Campbell-McPherson-Brown-Marshall-Roberts-Walworth-Edmunds-Day-
Potter-Faulk-Spink-Clark-Codington-Grant-Hamlin-Deuel-Sully-
Hughes-Hyde-Hand-Buffalo-
Including the cities of Herreid, Sisseton, Webster, Milbank,
Onida, Fort Thompson, Ipswich, Britton, Hayti, Aberdeen, Clark,
Mobridge, Faulkton, Highmore, Gettysburg, Eureka, Clear Lake,
Pierre, Redfield, Miller, and Watertown
1004 PM CDT Tue May 19 2026

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM CDT WEDNESDAY...

* WHAT...Sub-freezing temperatures as low as 28 expected.

* WHERE...Portions of central, north central, and northeast South 
  Dakota.

* WHEN...Until 8 AM CDT Wednesday.

* 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.

&&

$$

MNZ039-046-201300-
/O.CON.KABR.FR.Y.0004.260520T0600Z-260520T1300Z/
Traverse-Big Stone-
Including the cities of Ortonville and Wheaton
1004 PM CDT Tue May 19 2026

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT WEDNESDAY...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Big Stone and Traverse Counties.

* WHEN...Until 8 AM CDT Wednesday.

* 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.

&&

$$

SDZ003-015-033-045-048-201300-
/O.CON.KABR.FR.Y.0004.260520T0600Z-260520T1300Z/
Corson-Dewey-Stanley-Jones-Lyman-
Including the cities of Fort Pierre, Murdo, Isabel, Kennebec, and
McIntosh
1004 PM CDT Tue May 19 2026 /904 PM MDT Tue May 19 2026/

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT /7 AM MDT/ 
WEDNESDAY...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Jones, Lyman, Stanley, Corson, and Dewey Counties.

* WHEN...Until 8 AM CDT /7 AM MDT/ Wednesday.

* 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.

&&

$$

07


Action: Expired
Issued At: 2026-05-20 07:42:12

107 
WWUS73 KABR 201241
NPWABR

URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
741 AM CDT Wed May 20 2026

SDZ004>011-016>023-034>037-051-201345-
/O.EXP.KABR.FZ.W.0001.000000T0000Z-260520T1300Z/
Campbell-McPherson-Brown-Marshall-Roberts-Walworth-Edmunds-Day-
Potter-Faulk-Spink-Clark-Codington-Grant-Hamlin-Deuel-Sully-
Hughes-Hyde-Hand-Buffalo-
Including the cities of Clark, Milbank, Miller, Eureka, Redfield,
Britton, Mobridge, Gettysburg, Ipswich, Highmore, Pierre,
Aberdeen, Faulkton, Webster, Herreid, Fort Thompson, Watertown,
Onida, Hayti, Sisseton, and Clear Lake
741 AM CDT Wed May 20 2026

...FREEZE WARNING WILL EXPIRE AT 8 AM CDT THIS MORNING...

Temperatures have warmed above freezing across the warned area.

$$

MNZ039-046-SDZ003-015-033-045-048-201345-
/O.EXP.KABR.FR.Y.0004.000000T0000Z-260520T1300Z/
Traverse-Big Stone-Corson-Dewey-Stanley-Jones-Lyman-
Including the cities of Fort Pierre, Kennebec, Murdo, Isabel,
McIntosh, Ortonville, and Wheaton
741 AM CDT Wed May 20 2026 /641 AM MDT Wed May 20 2026/

...FROST ADVISORY WILL EXPIRE AT 8 AM CDT /7 AM MDT/ THIS MORNING...

Temperatures have warmed and frost is now longer expected.

$$

10



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