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Frost Advisory 0003
Issued by the Aberdeen Forecast Office

Action Issued Starts Expiration
New 2026-05-18 13:26:51 2026-05-19 04:00:00 2026-05-19 09:00:00
Continued 2026-05-18 22:34:39 2026-05-19 04:00:00 2026-05-19 09:00:00
Continued 2026-05-19 00:51:13 2026-05-19 04:00:00 2026-05-19 09:00:00
Continued 2026-05-19 00:51:13 2026-05-19 04:00:00 2026-05-19 09:00:00
Cancelled 2026-05-19 07:22:42 2026-05-19 09:00:00
Cancelled 2026-05-19 07:22:42 2026-05-19 09:00:00


Action: New
Issued At: 2026-05-18 13:26:51

571 
WWUS73 KABR 181826
NPWABR

URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
126 PM CDT Mon May 18 2026

SDZ003>005-009-010-015-016-033>035-045-190430-
/O.NEW.KABR.FR.Y.0003.260519T0900Z-260519T1400Z/
Corson-Campbell-McPherson-Walworth-Edmunds-Dewey-Potter-Stanley-
Sully-Hughes-Jones-
Including the cities of Pierre, McIntosh, Isabel, Herreid,
Ipswich, Gettysburg, Fort Pierre, Mobridge, Eureka, Murdo, and
Onida
126 PM CDT Mon May 18 2026 /1226 PM MDT Mon May 18 2026/

...FROST ADVISORY IN EFFECT FROM 4 AM CDT /3 AM MDT/ TO 9 AM CDT /8 
AM MDT/ TUESDAY...

* WHAT...Temperatures from 33 to 36 degrees may result in frost 
  formation.

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

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

* 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: 2026-05-18 22:34:39

534 
WWUS73 KABR 190334
NPWABR

URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
1034 PM CDT Mon May 18 2026

SDZ003>005-009-010-015-016-033>035-045-191400-
/O.CON.KABR.FR.Y.0003.260519T0900Z-260519T1400Z/
Corson-Campbell-McPherson-Walworth-Edmunds-Dewey-Potter-Stanley-
Sully-Hughes-Jones-
Including the cities of Ipswich, Isabel, Onida, Gettysburg, Fort
Pierre, McIntosh, Murdo, Herreid, Pierre, Mobridge, and Eureka
1034 PM CDT Mon May 18 2026 /934 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/ TUESDAY...

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

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

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

* 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 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 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: Cancelled
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: Cancelled
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



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