319  
FOUS53 KFSD 180227  
PFMFSD  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
927 PM CDT SAT APR 17 2021  
 
IAZ012-181000-  
SIOUX CENTER-SIOUX IA  
43.08N 96.18W ELEV. 1446 FT  
927 PM CDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 32 63 29 41 26  
TEMP 45 39 35 33 47 57 62 60 48 39 35 31 32 36 40 40 33 30 27 26  
DEWPT 31 29 28 27 31 28 27 30 33 32 30 25 25 23 20 19 20 19 18 18  
RH 58 67 75 78 53 33 26 32 56 76 82 78 75 59 44 42 58 63 68 71  
WIND DIR W NW W W W W W W N N N N N N N N N N N N  
WIND SPD 4 4 4 4 10 14 14 12 12 14 13 16 18 17 18 14 10 8 5 6  
CLOUDS SC FW FW FW CL FW FW SC B2 B2 OV OV B2 B2 B2 B2 B1 B2 B1 B1  
POP 12HR 5 0 60 30 5  
QPF 12HR 0 0 0.04 0.03 0  
SNOW 12HR 00-00 00-00 T  
RAIN SHWRS C C L S  
SNOWSHWRS S L C C S  
SPRINKLES  
WIND CHILL 31 28 31 26 20 21 26 31 32 25 22 21 18  
MIN CHILL 28 30 31 20 19 27 20 18  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 44 24 48 27 57 38 59 38 63  
TEMP 40 41 30 25 42 46 32 29 52 53 42 38 53 56 44 40 55 60  
DEWPT 18 19 22 19 20 20 23 22 28 32 35 36 40 40 38 36 38 37  
PWIND DIR N NW NW W SW S S N NW  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS B1 B1 B1 SC FW SC FW CL FW SC B1 B1 B1 B1 B1 SC SC SC  
POP 12HR 10 5 0 0 10 20 20 10 5  
RAIN SHWRS S S S S  
 

 
IAZ031-181000-  
SIOUX CITY-WOODBURY IA  
42.40N 96.38W ELEV. 1210 FT  
927 PM CDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 32 66 32 43 27  
TEMP 45 40 35 33 49 59 64 62 50 44 39 35 35 38 42 41 35 32 30 28  
DEWPT 34 31 29 28 32 29 28 30 32 33 31 27 26 24 22 20 20 19 19 18  
RH 65 70 78 82 52 32 25 30 50 65 73 72 69 57 44 42 54 58 63 66  
WIND DIR W NW NW W W W W W SW N N N N N N N N N N N  
WIND SPD 5 5 4 4 9 11 13 10 6 10 12 13 17 17 17 14 9 8 5 5  
CLOUDS SC FW FW FW CL FW CL CL SC B1 B2 OV OV OV B2 B2 B2 B2 B1 B1  
POP 12HR 5 0 60 40 10  
QPF 12HR 0 0 0.01 0.05 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C L L C C C  
SNOWSHWRS C C C S  
SPRINKLES  
WIND CHILL 31 28 31 26 25 29 33 33 28 25 23 22  
MIN CHILL 28 31 25 24 29 24 22  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 47 25 50 28 59 39 61 39 66  
TEMP 43 44 31 27 45 48 33 30 54 54 43 40 54 58 46 41 58 62  
DEWPT 18 19 22 21 21 20 23 22 29 34 36 36 41 40 38 37 39 37  
PWIND DIR NW NW NW W SW S SE N NW  
WIND CHAR GN LT GN LT GN GN GN GN GN  
AVG CLOUDS B1 B1 SC SC FW SC FW CL FW B1 B2 B1 B1 B1 SC SC SC SC  
POP 12HR 10 5 0 0 10 20 20 10 5  
RAIN SHWRS S S S S  
 

 
IAZ014-181000-  
SPENCER-CLAY IA  
43.15N 95.18W ELEV. 1325 FT  
927 PM CDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 33 62 30 42 26  
TEMP 44 39 35 33 50 58 62 60 48 40 36 32 34 37 41 40 33 30 28 27  
DEWPT 31 31 29 29 32 28 27 29 34 33 31 27 26 24 22 21 20 19 18 18  
RH 60 73 78 85 50 32 26 31 58 76 82 81 72 59 46 46 58 63 66 68  
WIND DIR W NW W W W W W W N N N N N N N N N N N N  
WIND SPD 5 4 4 5 12 14 17 13 13 14 13 14 18 17 18 16 10 9 8 8  
CLOUDS SC CL FW FW FW FW FW FW B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2  
POP 12HR 5 0 60 30 5  
QPF 12HR 0 0 0.07 0.02 0  
SNOW 12HR 00-00 00-00 T  
RAIN SHWRS C C L C S S  
SNOWSHWRS L C C S  
SPRINKLES  
WIND CHILL 31 28 32 27 22 23 28 32 31 25 22 20 19  
MIN CHILL 34 28 32 32 22 22 30 21 18  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 45 25 47 28 57 38 59 38 63  
TEMP 41 42 30 26 43 45 32 29 53 54 42 39 54 55 44 40 56 59  
DEWPT 19 20 21 19 21 21 23 22 28 32 35 35 41 41 38 36 40 39  
PWIND DIR N NW NW W SW S S SW NW  
WIND CHAR GN GN BZ GN GN GN GN GN GN  
AVG CLOUDS B1 B1 SC SC SC SC FW CL FW FW B1 B1 B1 B1 SC SC SC SC  
POP 12HR 10 5 0 0 5 20 20 10 5  
RAIN SHWRS S S S S  
 

 
IAZ022-181000-  
STORM LAKE-BUENA VISTA  
42.60N 95.23W ELEV. 1427 FT  
927 PM CDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 34 63 32 42 27  
TEMP 44 41 37 35 50 57 62 59 49 43 38 35 35 37 40 40 34 31 29 28  
DEWPT 34 33 31 30 31 28 27 29 32 34 33 29 28 25 23 22 22 20 20 20  
RH 68 73 79 82 48 33 26 32 52 70 82 78 75 61 50 48 61 63 69 71  
WIND DIR NW NW W W W W W W SW N N N N N N N N N N N  
WIND SPD 5 5 6 5 11 13 14 12 9 11 12 14 18 17 16 13 10 9 9 9  
CLOUDS B1 FW FW CL CL FW CL FW SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 5 0 50 40 10  
QPF 12HR 0 0 0.02 0.06 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C S S C  
SNOWSHWRS S C C C C  
SPRINKLES  
WIND CHILL 32 30 30 25 24 28 32 32 26 23 21 19  
MIN CHILL 28 32 24 23 29 22 19  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 45 26 47 29 57 39 58 39 63  
TEMP 41 42 30 27 43 45 33 30 53 53 42 39 53 55 45 41 57 60  
DEWPT 19 19 23 20 21 20 23 23 28 32 35 36 40 40 40 38 40 38  
PWIND DIR N NW NW W SW S SE W NW  
WIND CHAR GN GN BZ GN GN GN GN GN GN  
AVG CLOUDS B1 B1 SC SC SC SC FW FW FW SC B2 B1 B1 B1 B1 SC SC SC  
POP 12HR 10 5 0 0 10 30 20 10 5  
RAIN SHWRS S C S S  
 

 
MNZ072-181000-  
MARSHALL-LYON MN  
44.47N 95.82W ELEV. 1151 FT  
927 PM CDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 35 64 28 40 26  
TEMP 44 39 37 37 51 60 64 50 41 36 32 30 32 37 40 39 33 29 28 27  
DEWPT 27 28 29 28 30 22 23 34 32 26 24 22 21 18 17 18 18 18 18 17  
RH 51 64 72 70 44 23 21 54 70 67 72 72 63 46 39 42 53 63 66 65  
WIND DIR NW W W W W W NW N N N N N N N N N N NW NW NW  
WIND SPD 6 6 8 9 12 16 18 18 16 16 16 17 18 19 18 13 9 8 6 8  
CLOUDS FW CL FW FW SC FW B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC  
POP 12HR 0 20 70 10 0  
QPF 12HR 0 0 0.02 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S L L S  
SNOWSHWRS S  
WIND CHILL 34 31 30 33 26 21 18 20 26 31 31 25 21 21 18  
MIN CHILL 34 29 33 25 17 18 27 21 17  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 43 25 47 31 57 39 59 38 60  
TEMP 39 40 30 27 42 45 34 32 53 55 43 39 54 56 44 40 53 55  
DEWPT 18 18 19 19 18 20 21 21 27 30 34 35 38 38 37 34 36 35  
PWIND DIR N NW NW W SW SW S SW NW  
WIND CHAR GN GN BZ GN GN GN GN GN GN  
AVG CLOUDS SC B1 SC FW FW SC FW CL CL FW SC SC SC SC SC SC SC SC  
POP 12HR 10 5 0 0 5 20 20 10 5  
RAIN SHWRS S S  
 

 
MNZ081-181000-  
WINDOM-COTTONWOOD MN  
43.87N 95.12W ELEV. 1355 FT  
927 PM CDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 33 62 29 40 26  
TEMP 42 38 35 35 50 58 62 56 44 38 34 31 33 36 39 38 33 30 27 27  
DEWPT 25 28 28 28 30 23 22 30 35 31 27 24 22 20 19 18 18 18 18 17  
RH 50 67 75 75 46 26 21 37 70 76 75 75 63 52 44 44 53 60 68 65  
WIND DIR NW W W W W W W NW N N N N N N N N N NW NW NW  
WIND SPD 4 4 5 5 11 16 17 16 13 14 13 14 18 18 18 14 9 8 6 8  
CLOUDS CL CL FW FW FW FW FW B1 B2 B2 B2 OV B2 B2 B2 B2 B1 B1 B1 B1  
POP 12HR 0 5 70 20 0  
QPF 12HR 0 0 0.06 0 0  
SNOW 12HR 00-00 00-00 T  
FRZG RAIN S  
RAIN SHWRS L L C C  
SNOWSHWRS S C S S  
WIND CHILL 34 30 30 29 25 20 22 26 30 30 25 22 20 19  
MIN CHILL 34 29 33 28 19 20 27 21 16  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 43 25 46 29 56 38 58 38 60  
TEMP 39 40 30 27 41 44 33 31 52 54 42 39 54 55 43 40 54 55  
DEWPT 17 17 19 19 18 19 20 21 26 29 33 35 38 38 37 35 37 36  
PWIND DIR N NW NW W SW SW S SW NW  
WIND CHAR GN GN BZ GN GN GN GN GN GN  
AVG CLOUDS B1 B1 SC SC FW SC FW CL CL FW SC B1 SC SC SC SC SC SC  
POP 12HR 10 5 0 0 5 20 20 10 5  
RAIN SHWRS S S S S  
 

 
MNZ089-181000-  
WORTHINGTON-NOBLES MN  
43.65N 95.58W ELEV. 1584 FT  
927 PM CDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 33 61 28 39 25  
TEMP 43 38 35 34 48 57 61 56 43 37 32 30 31 36 39 37 32 28 27 26  
DEWPT 27 29 28 28 31 26 24 31 35 31 27 24 23 21 20 20 19 18 18 17  
RH 53 70 75 78 51 30 24 38 73 79 81 78 72 54 46 50 58 66 68 68  
WIND DIR NW W W W W W W NW N N N N N N N N N N N NW  
WIND SPD 6 5 6 8 12 17 17 14 16 16 14 16 19 18 18 14 10 9 8 9  
CLOUDS FW CL FW FW FW FW FW B2 B2 B2 OV B2 B2 B2 B2 B2 B1 B1 B1 B1  
POP 12HR 0 5 70 20 0  
QPF 12HR 0 0 0.07 0 0  
SNOW 12HR 00-00 00-00 T  
RAIN SHWRS L L C C  
SNOWSHWRS C C S S  
WIND CHILL 33 29 27 28 22 19 19 25 30 28 24 19 19 17  
MIN CHILL 33 27 31 26 17 18 26 19 17  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 42 24 45 28 55 37 57 38 60  
TEMP 38 39 29 25 41 44 32 29 50 53 41 38 52 54 43 39 54 56  
DEWPT 18 20 20 19 19 21 22 22 27 31 35 35 40 40 37 35 39 38  
PWIND DIR N N NW W SW S S SW NW  
WIND CHAR GN GN BZ GN GN GN GN GN BZ  
AVG CLOUDS B1 B1 SC SC FW SC FW CL FW SC B1 B1 SC SC SC SC SC SC  
POP 12HR 10 5 0 0 5 20 20 10 5  
RAIN SHWRS S S S S  
 

 
SDZ040-181000-  
BROOKINGS-BROOKINGS SD  
44.30N 96.80W ELEV. 1617 FT  
927 PM CDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 31 60 25 38 23  
TEMP 42 37 34 32 48 57 60 49 39 33 29 27 29 34 38 36 30 27 25 24  
DEWPT 27 28 28 26 30 27 29 34 31 26 23 20 19 18 18 18 18 18 17 17  
RH 55 70 78 78 49 31 31 56 73 75 78 74 66 51 44 47 60 68 71 74  
WIND DIR W W W SW W W W N N N N N N N N N N N N N  
WIND SPD 5 4 4 5 12 17 16 18 17 17 16 16 18 19 18 14 9 6 5 6  
CLOUDS CL CL CL FW FW FW B1 B2 B2 B2 B2 B2 B2 B2 B1 B2 B1 SC SC SC  
POP 12HR 0 20 50 5 0  
QPF 12HR 0 0 0.03 0 0  
SNOW 12HR 00-00 00-00 T  
RAIN SHWRS S C C S  
SNOWSHWRS S C C  
WIND CHILL 33 30 27 30 22 17 15 17 23 28 27 22 19 18 16  
MIN CHILL 32 26 30 22 15 14 24 18 16  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 41 23 45 26 55 35 57 36 59  
TEMP 38 37 27 25 40 43 31 28 50 52 40 36 52 53 41 37 52 54  
DEWPT 18 20 20 19 19 21 22 21 27 31 35 34 38 39 37 33 36 35  
PWIND DIR N N NW W SW S S SW NW  
WIND CHAR GN GN GN GN GN GN GN GN BZ  
AVG CLOUDS B1 B2 SC FW FW SC FW CL FW SC SC SC SC B1 SC SC SC SC  
POP 12HR 10 0 0 0 5 10 10 5 0  
 

 
SDZ050-181000-  
BURKE-GREGORY SD  
43.18N 99.29W ELEV. 2142 FT  
927 PM CDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 31 64 27 39 23  
TEMP 43 37 33 32 47 58 64 58 44 37 33 29 29 33 37 37 32 28 26 25  
DEWPT 29 27 25 25 30 28 28 30 33 32 28 25 23 20 18 18 18 18 18 18  
RH 57 67 72 75 51 32 25 34 65 82 82 85 78 58 46 46 56 66 71 74  
WIND DIR NW W W W W W W NW N N N N N N N N N NW NW W  
WIND SPD 3 5 6 8 11 13 14 13 13 16 16 16 17 19 19 16 9 9 9 9  
CLOUDS FW CL CL CL CL CL FW B1 B2 OV OV OV OV B2 B2 B2 B2 B1 SC SC  
POP 12HR 0 5 60 40 0  
QPF 12HR 0 0 0.07 0.07 0  
SNOW 12HR 00-00 00-00 T  
RAIN SHWRS C C C  
SNOWSHWRS L L C C  
WIND CHILL 31 27 25 28 22 17 17 22 27 28 24 19 18 16  
MIN CHILL 31 24 28 27 17 17 24 19 15  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 42 23 47 27 54 35 62 37 65  
TEMP 39 39 28 25 41 45 32 29 50 50 41 37 55 57 43 39 57 61  
DEWPT 18 19 21 20 19 19 21 21 30 34 35 34 38 37 35 33 35 34  
PWIND DIR NW NW NW SW S S W NW NW  
WIND CHAR BZ GN GN GN BZ GN GN GN BZ  
AVG CLOUDS B1 B1 SC SC FW SC FW FW FW B1 B1 SC SC SC SC SC SC SC  
POP 12HR 10 0 0 0 10 10 5 5 5  
 

 
SDZ057-181000-  
CHAMBERLAIN-BRULE SD  
43.77N 99.32W ELEV. 1565 FT  
927 PM CDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 31 64 27 43 23  
TEMP 44 38 34 32 48 61 64 55 43 37 33 29 32 38 41 39 32 29 26 25  
DEWPT 26 27 26 27 31 29 31 34 33 31 27 24 21 19 17 16 18 18 19 20  
RH 49 64 72 81 51 29 29 45 67 79 78 81 63 46 37 39 56 63 74 81  
WIND DIR W SW W W W W NW N N N N N N N N N N NW NW W  
WIND SPD 4 6 5 6 10 13 16 14 13 14 13 12 14 17 17 13 6 5 5 5  
WIND GUST 25  
CLOUDS FW CL FW FW CL FW B1 B1 B2 OV OV OV B2 B2 B2 B2 B2 SC SC SC  
POP 12HR 0 20 50 20 0  
QPF 12HR 0 0 0.07 0.02 0  
SNOW 12HR 00-00 00-00 T  
RAIN SHWRS S C C C S  
SNOWSHWRS C C S S  
WIND CHILL 34 29 26 28 23 19 22 28 32 32 27 23 20 18  
MIN CHILL 33 25 28 28 18 19 29 22 16  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 44 23 49 27 58 35 64 36 66  
TEMP 41 40 29 25 43 46 33 29 53 53 42 37 57 58 44 38 59 61  
DEWPT 19 18 23 22 21 20 23 23 31 35 36 35 38 37 36 33 34 34  
PWIND DIR NW NW NW SW S S S N NW  
WIND CHAR GN GN GN LT GN GN GN GN GN  
AVG CLOUDS B1 B2 SC FW FW SC FW CL FW SC B1 SC SC SC SC SC SC SC  
POP 12HR 10 0 0 0 10 10 5 5 0  
 

 
SDZ038-181000-  
HURON-BEADLE SD  
44.38N 98.22W ELEV. 1282 FT  
927 PM CDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 31 65 26 43 23  
TEMP 44 39 34 33 50 61 65 50 40 34 30 28 32 38 41 40 32 27 25 24  
DEWPT 27 27 25 24 29 28 31 33 30 26 23 19 18 16 16 15 17 17 16 16  
RH 51 62 69 69 44 28 28 52 67 72 75 68 56 40 36 36 53 65 68 71  
WIND DIR NW W W SW W W NW N N N N N N N N N N N NW NW  
WIND SPD 2 5 5 5 10 13 17 18 17 14 14 13 17 18 17 13 8 5 5 5  
WIND GUST 28  
CLOUDS CL CL FW FW FW SC B2 B1 B2 B2 B2 B2 B2 B2 B1 B2 B1 SC SC SC  
POP 12HR 0 20 50 5 0  
QPF 12HR 0 0 0.03 0 0  
SNOW 12HR 00-00 00-00 T  
RAIN SHWRS S C C C  
SNOWSHWRS C C  
WIND CHILL 34 29 27 32 24 19 17 21 28 32 32 25 21 18 17  
MIN CHILL 33 26 30 24 16 18 30 20 15  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 44 22 49 26 59 36 63 36 64  
TEMP 40 41 28 24 43 46 32 28 54 55 41 37 56 58 42 37 56 59  
DEWPT 18 18 21 19 20 20 21 20 27 32 35 34 37 37 36 33 34 33  
PWIND DIR N N NW SW S S S N N  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS B1 B1 SC SC FW SC FW CL FW SC SC SC SC SC SC SC SC SC  
POP 12HR 10 0 0 0 10 10 10 5 0  
 

 
SDZ059-181000-  
MITCHELL-DAVISON SD  
43.76N 98.02W ELEV. 1312 FT  
927 PM CDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 32 66 28 43 23  
TEMP 43 39 35 33 49 61 66 56 43 37 33 30 32 38 41 41 33 29 26 25  
DEWPT 27 27 25 24 29 26 28 33 32 29 25 21 19 17 16 16 16 16 16 16  
RH 53 62 66 69 46 26 24 42 65 72 72 69 58 42 36 36 49 58 65 68  
WIND DIR NW W W W W W NW N N N N N N N N N N N NW NW  
WIND SPD 5 5 6 6 11 14 14 16 16 16 16 16 18 18 18 14 9 6 6 6  
WIND GUST 26  
CLOUDS CL CL CL FW FW FW SC B2 B2 OV B2 OV B2 B2 B2 B2 B1 B1 SC SC  
POP 12HR 0 20 50 20 0  
QPF 12HR 0 0 0.04 0.01 0  
SNOW 12HR 00-00 00-00 T  
RAIN SHWRS S C C C S  
SNOWSHWRS C C S S  
WIND CHILL 34 29 27 28 22 19 20 28 32 33 26 22 19 17  
MIN CHILL 33 27 30 28 19 18 29 21 16  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 45 23 49 28 59 37 62 37 66  
TEMP 41 41 29 25 44 47 33 29 54 54 43 38 56 57 43 38 58 61  
DEWPT 18 18 21 19 19 20 21 21 28 33 35 34 38 37 36 33 36 34  
PWIND DIR NW NW NW SW S S SE W NW  
WIND CHAR GN GN GN GN BZ GN GN GN BZ  
AVG CLOUDS B1 B1 SC SC FW SC FW CL FW SC B1 SC SC SC SC SC SC SC  
POP 12HR 10 5 0 0 10 20 10 5 0  
RAIN SHWRS S  
 

 
SDZ062-181000-  
SIOUX FALLS-MINNEHAHA SD  
43.57N 96.73W ELEV. 1424 FT  
927 PM CDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 33 63 28 41 25  
TEMP 44 39 35 34 48 58 63 58 44 37 32 30 31 37 40 39 33 29 27 26  
DEWPT 26 26 26 26 29 26 28 31 33 29 25 22 21 19 18 17 18 17 17 17  
RH 49 59 69 72 47 29 26 36 65 72 75 72 66 48 41 40 53 60 65 68  
WIND DIR NW W W W W W W NW N N N N N N N N N N N N  
WIND SPD 5 4 4 5 11 14 13 13 14 14 13 13 16 17 17 14 8 6 4 5  
WIND GUST 25 26  
CLOUDS CL FW CL CL FW FW FW B2 B2 B2 B2 OV B2 B2 B2 B2 B1 B1 B1 B1  
POP 12HR 0 5 60 20 0  
QPF 12HR 0 0 0.04 0.01 0  
SNOW 12HR 00-00 00-00 T  
RAIN SHWRS L L C  
SNOWSHWRS C C S S  
WIND CHILL 31 29 28 23 19 20 27 31 31 26 22 21 19  
MIN CHILL 34 27 31 27 17 17 27 21 18  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 44 24 47 28 57 38 59 38 63  
TEMP 40 41 29 25 42 45 33 29 52 53 42 38 54 56 43 39 56 59  
DEWPT 17 18 20 19 18 20 21 21 27 32 35 35 38 38 36 34 37 35  
PWIND DIR N N NW W SW S S W NW  
WIND CHAR GN LT GN LT GN GN GN GN GN  
AVG CLOUDS B1 B2 SC SC FW SC FW CL FW SC B1 B1 SC SC SC SC SC SC  
POP 12HR 10 5 0 0 10 20 10 5 0  
RAIN SHWRS S S  
 

 
SDZ070-181000-  
VERMILLION-CLAY SD  
42.95N 96.92W ELEV. 1132 FT  
927 PM CDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 31 66 30 43 26  
TEMP 46 39 34 33 49 59 65 63 50 42 36 33 34 38 42 41 34 31 28 27  
DEWPT 30 29 28 27 31 28 28 30 32 31 29 25 24 22 19 18 18 18 18 18  
RH 53 67 78 78 50 30 25 29 50 65 75 72 66 52 39 39 51 58 66 68  
WIND DIR W W W W W W W W N N N N N N N N N N N NW  
WIND SPD 4 3 3 4 10 12 12 12 9 13 13 14 18 18 18 16 8 8 5 5  
CLOUDS FW FW FW FW CL FW FW FW SC B2 B2 OV OV B2 B2 B2 B1 B2 B1 B1  
POP 12HR 5 0 60 40 5  
QPF 12HR 0 0 0.02 0.06 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C L C S S  
SNOWSHWRS L C C S  
SPRINKLES  
WIND CHILL 31 28 27 23 23 28 34 33 28 23 22 19  
MIN CHILL 27 30 22 22 30 22 18  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 47 24 50 28 59 38 61 38 67  
TEMP 43 44 30 26 45 48 33 30 55 53 43 39 55 58 44 40 59 63  
DEWPT 18 18 21 20 20 19 22 21 29 33 35 36 40 39 37 35 38 35  
PWIND DIR NW NW NW W S S SE N NW  
WIND CHAR GN GN GN LT BZ GN GN GN BZ  
AVG CLOUDS B1 B1 SC SC FW SC FW CL FW SC B2 B1 B1 SC SC SC SC SC  
POP 12HR 10 5 0 0 10 20 10 5 5  
RAIN SHWRS S S  
 

 
SDZ069-181000-  
YANKTON-YANKTON SD  
42.95N 97.39W ELEV. 1207 FT  
927 PM CDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 31 66 29 43 25  
TEMP 43 39 34 32 48 59 65 62 49 41 36 32 32 37 42 40 34 30 28 26  
DEWPT 28 29 28 27 31 28 28 31 33 31 29 25 24 21 19 18 18 18 18 18  
RH 55 67 78 81 51 30 25 31 54 67 75 75 72 52 39 41 51 60 66 71  
WIND DIR W W W W W W W W N N N N N N N N N N NW NW  
WIND SPD 6 5 5 5 11 13 13 11 11 13 13 16 18 19 18 16 8 6 5 6  
WIND GUST 23  
CLOUDS FW FW CL FW FW FW FW SC B1 B2 OV OV OV OV B2 B2 B1 B2 B1 B1  
POP 12HR 5 0 60 30 0  
QPF 12HR 0 0 0.03 0.06 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C L S  
SNOWSHWRS L C C  
SPRINKLES  
WIND CHILL 34 29 27 33 27 21 21 27 33 32 27 23 22 18  
MIN CHILL 33 26 29 32 20 20 29 22 18  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 47 24 50 28 58 38 61 38 66  
TEMP 42 43 30 26 44 47 33 29 54 53 43 39 55 57 44 39 58 62  
DEWPT 18 18 22 20 20 20 22 22 30 34 36 35 39 39 37 35 38 35  
PWIND DIR NW NW NW W S S SE N NW  
WIND CHAR GN GN GN LT BZ GN GN GN BZ  
AVG CLOUDS B1 B1 B1 SC SC SC FW CL FW B1 B2 B1 SC SC SC SC SC SC  
POP 12HR 10 0 0 0 10 20 10 5 5  
RAIN SHWRS S S  
 

 
 
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