National Weather Service United States Department of Commerce


Freeze Decision Support Page

Freeze Warning
Frost Advisory

 


Midwestern Regional Climate Center Freeze Maps

 

 

 

To find the current last 32° 
low temperature, click on 
your city of choice below.

 
 

7-Day Minimum Temperature Forecasts

Purple & Dark Blue Colors = 20s & Lower 30s  

     


DAY 1


DAY 2


DAY 3


DAY 4


DAY 5


DAY 6


DAY 7

 

     

 

The maps below are courtesy of The Midwestern Regional Climate Center.

Last 32° Freeze Map - SPRING

Median Date of Last 32° Freeze
Based on 1981-2010 Average

Last 28° Freeze Map - SPRING

Median Date of Last 28° Freeze
Based on 1981-2010 Average

 

Freeze Watch:  Issued when conditions are favorable for temperatures to fall below 32 degrees Fahrenheit during the next 12 to 48 hours resulting in the possibility for significant damage to unprotected vegetation.

Freeze Warning: Issued when confidence is high that temperatures will fall below 32 degrees Fahrenheit within the next 24 hours resulting in significant damage to unprotected vegetation.

Frost Advisory: Issued when conditions are favorable for temperatures to drop between 33 and 36 degrees Fahrenheit resulting in the possibility of widespread frost near the surface. Unprotected vegetation may be damaged.

Statistical Dates of the Last Spring Frost/Freeze

To assist the agricultural community, below is a table that summarizes the last calendar day when temperatures of a given threshold are expected to be met. The data is courtesy of the South Dakota Climatologist's Office.

 

Below are a few examples on how to read the table using Aberdeen:

Mean (or average) date when temperatures are last expected to fall to 28F occurs on May 3rd.

90% probability that the last 32F degree temperature will occur on or before May 27th.

Freeze Date Information

Spring
Freeze Probabilities

HISTORICAL

Freeze 32°

Hard Freeze: 28°

SOUTH DAKOTA

Mean

90th

Latest

Mean

90th

Latest

ABERDEEN

05/13

05/27

06/21

05/03

05/18

06/07

ANDOVER  AREA

05/19

05/30

06/16

05/09

05/24

06/14

BOWDLE

05/25

06/06

07/23

05/08

05/20

06/06

BRITTON

05/17

05/29

06/20

05/05

05/22

05/29

CASTLEWOOD

05/19

06/07

06/28

05/08

05/24

06/09

CLARK

05/12

05/29

06/10

05/04

05/17

06/02

CLEAR LAKE

05/10

05/24

05/28

04/30

05/15

05/22

COLUMBIA  AREA

05/12

05/24

05/28

05/03

05/15

05/28

CONDE

05/15

05/20

05/24

04/24

05/20

05/24

EUREKA

05/16

05/29

07/03

05/08

05/20

05/29

FAULKTON

05/14

05/28

06/21

05/04

05/17

05/28

GANN VALLEY

05/10

05/27

06/21

05/30

05/17

05/30

GETTYSBURG

05/10

05/27

05/30

04/29

05/14

05/29

HIGHMORE

05/17

05/30

06/25

05/07

05/22

06/10

IPSWICH

05/16

06/02

06/21

05/16

05/22

06/07

KENNEBEC

05/15

05/29

06/21

05/07

05/20

06/02

LEOLA

05/12

05/26

06/22

05/03

05/09

06/21

Mc INTOSH  AREA

05/14

05/30

06/21

05/05

05/22

06/03

Mc LAUGHLIN

05/15

06/02

06/03

05/05

05/22

05/24

MELLETTE  AREA

05/15

05/18

06/21

05/03

05/18

05/30

MILBANK

05/08

05/26

06/11

04/30

05/15

05/31

MOBRIDGE

05/09

05/22

06/07

04/28

05/14

05/29

MURDO

05/09

05/24

06/14

04/27

05/14

05/24

ONIDA  AREA

05/09

05/26

05/28

04/30

05/17

05/26

PIERRE

05/07

05/16

05/30

04/23

05/10

05/29

POLLOCK

05/15

05/30

07/15

05/07

05/23

06/10

ROSCOE

05/12

05/28

06/20

05/01

05/16

05/28

SELBY

05/14

05/27

06/20

05/02

05/17

05/28

SISSETON

05/09

05/23

06/11

04/27

05/10

05/22

SUMMIT

05/19

06/06

06/14

05/06

05/20

05/28

TIMBER LAKE

05/14

05/28

07/11

04/30

05/17

05/29

VICTOR

04/30

05/15

05/25

04/22

05/03

05/10

WATERTOWN

05/16

06/01

06/18

05/04

05/20

05/27

WAUBAY NATL WILDLIFE REFUGE

05/09

05/22

05/28

04/29

05/14

05/22

WEBSTER

05/09

05/20

05/31

05/02

05/15

05/28

Freeze Date Information

Spring
 Freeze Probabilities

HISTORICAL

Freeze 32°

Hard Freeze: 28°

MINNESOTA

Mean

90th

Latest

Mean

90th

Latest

ARTICHOKE  AREA

05/09

05/25

06/05

04/27

05/13

05/22

BROWNS VALLEY

05/07

05/20

05/25

04/27

05/07

05/12

WHEATON

05/10

05/24

06/09

04/27

05/16

05/27