031  
FOUS53 KFSD 131427  
PFMFSD  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
927 AM CDT THU AUG 13 2020  
 
IAZ012-132200-  
SIOUX CENTER-SIOUX IA  
43.08N 96.18W ELEV. 1446 FT  
927 AM CDT THU AUG 13 2020  
 
DATE THU 08/13/20 FRI 08/14/20 SAT 08/15/20  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 89 68 87 57 81  
TEMP 76 84 88 85 77 72 69 68 76 83 85 78 70 65 60 57 67 76 80 78  
DEWPT 72 73 72 71 70 70 68 68 72 74 74 72 69 65 60 56 61 59 59 61  
RH 87 70 59 63 79 93 97100 87 74 70 82 97100100 96 81 56 49 56  
WIND DIR S S S S S S S S S S S W NW N N N N N N N  
WIND SPD 11 14 16 12 8 6 9 8 13 18 16 8 5 5 5 4 5 8 6 5  
WIND GUST 25 26 23 25 18  
CLOUDS B1 SC SC SC SC SC SC B1 B1 SC B1 B1 SC SC FW SC FW CL CL FW  
POP 12HR 5 30 50 50 5  
QPF 12HR 0 0.13 0.19 0.09 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S C C C C  
TSTMS C S C C C C  
HEAT INDEX 90 95 90 90 93  
MAX HEAT 92 95 88 90 93 81  
 
DATE SUN 08/16/20 MON 08/17/20 TUE 08/18/20 WED 08/19/20  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 57 81 55 78 52 79 56 79  
TEMP 62 59 77 78 61 56 75 74 57 53 74 75 61 57 74 75  
DEWPT 59 55 60 62 58 55 57 57 54 51 57 59 57 55 59 59  
PWIND DIR SW W N N NE S S S  
WIND CHAR LT LT LT LT LT LT LT GN  
AVG CLOUDS FW SC SC FW FW FW CL CL FW FW FW FW FW SC SC SC  
POP 12HR 5 5 5 0 5 5 10 5  
 

 
IAZ031-132200-  
SIOUX CITY-WOODBURY IA  
42.40N 96.38W ELEV. 1210 FT  
927 AM CDT THU AUG 13 2020  
 
DATE THU 08/13/20 FRI 08/14/20 SAT 08/15/20  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 89 69 89 60 83  
TEMP 78 86 89 87 78 73 70 69 78 85 88 82 73 67 63 60 69 78 81 79  
DEWPT 72 72 71 71 71 70 68 68 71 72 72 71 70 67 62 59 61 59 58 60  
RH 82 63 56 59 79 90 93 97 79 65 59 69 90100 97 96 76 52 46 52  
WIND DIR S S S S SE SE SE S S S S SW W NW N N N N N NE  
WIND SPD 10 13 14 12 9 8 9 8 11 16 14 9 4 4 4 4 6 6 6 5  
WIND GUST 20 24  
CLOUDS SC SC SC FW SC SC SC B1 SC FW B1 B1 B1 SC SC FW FW CL CL FW  
POP 12HR 5 30 40 50 10  
QPF 12HR 0 0.17 0.24 0.12 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C C C S S  
TSTMS S S S C C C S S  
HEAT INDEX 92 95 92 92 94 86  
MAX HEAT 94 96 90 94 96 81  
 
DATE SUN 08/16/20 MON 08/17/20 TUE 08/18/20 WED 08/19/20  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 58 84 57 81 54 81 58 80  
TEMP 63 59 80 80 64 58 77 76 60 55 76 77 62 59 75 76  
DEWPT 59 55 59 61 59 56 58 57 55 52 56 57 57 55 59 58  
PWIND DIR S W N N E S S SW  
WIND CHAR LT LT LT LT LT LT LT GN  
AVG CLOUDS FW SC SC FW FW FW CL CL FW SC FW FW FW SC SC SC  
POP 12HR 5 10 5 5 5 5 10 10  
 

 
IAZ014-132200-  
SPENCER-CLAY IA  
43.15N 95.18W ELEV. 1325 FT  
927 AM CDT THU AUG 13 2020  
 
DATE THU 08/13/20 FRI 08/14/20 SAT 08/15/20  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 88 67 87 58 81  
TEMP 77 85 88 85 76 71 68 68 77 83 86 80 71 66 62 59 68 76 79 76  
DEWPT 73 72 71 70 70 68 68 67 71 72 71 70 70 65 61 58 61 60 59 61  
RH 87 65 57 61 82 90100 97 82 70 61 72 97 97 97 96 78 58 50 60  
WIND DIR S S S S S S S S S S S SW W NW NW N N N N N  
WIND SPD 11 13 14 13 10 6 8 6 11 16 17 9 6 5 5 5 9 9 9 5  
WIND GUST 21  
CLOUDS B1 SC SC SC SC SC SC B1 SC SC SC B1 B1 SC SC SC FW CL FW FW  
POP 12HR 10 30 40 60 10  
QPF 12HR 0 0.04 0.15 0.31 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S C L L C C  
TSTMS S S S C L L C C  
HEAT INDEX 91 94 90 88 91 84  
MAX HEAT 91 95 86 88 91  
 
DATE SUN 08/16/20 MON 08/17/20 TUE 08/18/20 WED 08/19/20  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 58 82 56 78 51 79 56 78  
TEMP 60 59 78 77 61 57 74 73 56 53 73 74 59 57 73 73  
DEWPT 57 55 60 61 56 54 56 56 52 50 55 57 54 53 58 58  
PWIND DIR NW NW N N N W S SW  
WIND CHAR LT LT LT LT LT LT LT GN  
AVG CLOUDS FW SC FW FW FW FW FW FW CL FW FW FW FW SC SC SC  
POP 12HR 5 5 5 5 5 5 10 5  
 

 
IAZ022-132200-  
STORM LAKE-BUENA VISTA  
42.60N 95.23W ELEV. 1427 FT  
927 AM CDT THU AUG 13 2020  
 
DATE THU 08/13/20 FRI 08/14/20 SAT 08/15/20  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 88 67 87 60 80  
TEMP 78 85 88 85 76 70 68 68 76 83 86 82 71 67 63 61 68 76 79 76  
DEWPT 72 71 70 70 70 69 68 68 71 71 69 70 70 67 63 60 61 60 58 59  
RH 82 63 55 61 82 97100100 85 67 57 67 97100100 97 78 58 49 56  
WIND DIR S S S S S S S S S S S SW W NW NW N N N N N  
WIND SPD 10 12 13 12 9 8 10 8 11 13 16 9 6 6 6 6 9 10 10 5  
WIND GUST 17  
CLOUDS B1 SC SC SC SC SC SC B1 SC SC SC B1 B2 SC SC SC FW CL FW FW  
POP 12HR 10 20 30 60 10  
QPF 12HR 0 0.06 0.02 0.30 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C L L C C  
TSTMS S S C L L C C  
HEAT INDEX 90 93 90 88 90 86  
MAX HEAT 90 94 86 88 91  
 
DATE SUN 08/16/20 MON 08/17/20 TUE 08/18/20 WED 08/19/20  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 57 82 56 78 52 78 56 78  
TEMP 60 59 78 77 62 57 74 73 57 53 73 74 60 57 74 74  
DEWPT 57 56 59 60 58 56 56 56 53 52 55 55 55 54 58 56  
PWIND DIR NW NW N N N W S SW  
WIND CHAR LT LT LT LT LT LT LT GN  
AVG CLOUDS FW FW SC SC FW FW FW FW CL FW FW FW FW SC SC SC  
POP 12HR 5 5 5 5 5 5 10 10  
 

 
MNZ072-132200-  
MARSHALL-LYON MN  
44.47N 95.82W ELEV. 1151 FT  
927 AM CDT THU AUG 13 2020  
 
DATE THU 08/13/20 FRI 08/14/20 SAT 08/15/20  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 90 69 85 57 81  
TEMP 79 86 90 86 78 74 71 70 77 84 83 76 68 63 59 58 68 76 79 78  
DEWPT 72 72 71 72 70 68 68 68 70 72 71 68 66 62 58 56 59 58 58 61  
RH 79 63 54 63 76 82 90 93 79 67 67 76 93 97 96 93 73 54 49 56  
WIND DIR S S S S S S S S S S SW NW NW NW NW NW NW NW NW SW  
WIND SPD 16 19 20 17 13 11 9 9 16 19 20 9 6 6 5 5 5 6 6 5  
WIND GUST 26 31 26 31 32 20  
CLOUDS SC SC SC FW SC SC SC B1 SC SC B2 B1 FW FW FW FW FW FW FW FW  
POP 12HR 5 20 70 40 5  
QPF 12HR 0 0.08 0.38 0.05 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S S C L C C  
TSTMS S S S S S C L C C  
HEAT INDEX 92 96 92 89 88  
MAX HEAT 93 96 89 90 91 81  
 
DATE SUN 08/16/20 MON 08/17/20 TUE 08/18/20 WED 08/19/20  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 59 80 55 75 53 78 56 78  
TEMP 64 61 77 76 61 56 72 72 57 55 74 75 62 58 73 75  
DEWPT 58 56 59 60 56 53 54 54 52 50 55 57 56 54 58 58  
PWIND DIR W NW NW N W SW SW W  
WIND CHAR LT LT LT LT LT LT LT GN  
AVG CLOUDS SC SC FW FW FW FW FW FW FW FW FW FW SC SC SC SC  
POP 12HR 5 5 0 0 5 5 10 10  
 

 
MNZ081-132200-  
WINDOM-COTTONWOOD MN  
43.87N 95.12W ELEV. 1355 FT  
927 AM CDT THU AUG 13 2020  
 
DATE THU 08/13/20 FRI 08/14/20 SAT 08/15/20  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 88 68 83 57 77  
TEMP 76 84 88 85 76 72 69 68 76 81 83 77 69 64 60 57 66 73 76 74  
DEWPT 72 72 71 70 69 68 67 66 69 71 70 69 67 63 59 56 59 58 57 61  
RH 87 67 57 61 79 87 93 93 79 72 65 76 93 97 96 96 78 59 52 64  
WIND DIR S S S S S S S S S S S S NW NW NW NW NW N N NW  
WIND SPD 12 14 16 12 10 9 10 8 13 18 18 10 8 6 6 5 9 10 9 5  
WIND GUST 26 25 28 28 20  
CLOUDS B1 SC SC FW SC SC SC B1 SC SC B1 B2 B1 SC SC SC FW CL FW FW  
POP 12HR 5 20 60 60 10  
QPF 12HR 0 0.03 0.23 0.28 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S L L L S S  
TSTMS S S L L L S S  
HEAT INDEX 89 93 90 85 87  
MAX HEAT 90 94 86 85 87  
 
DATE SUN 08/16/20 MON 08/17/20 TUE 08/18/20 WED 08/19/20  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 58 78 55 73 51 75 55 74  
TEMP 62 59 75 74 60 56 70 70 55 53 70 72 59 57 70 71  
DEWPT 57 55 58 60 56 52 54 54 51 50 54 57 54 53 57 58  
PWIND DIR W NW NW N NW SW SW SW  
WIND CHAR LT LT LT GN LT LT LT GN  
AVG CLOUDS FW SC FW FW FW FW FW FW CL FW FW FW FW SC SC SC  
POP 12HR 5 5 5 0 5 5 10 5  
 

 
MNZ089-132200-  
WORTHINGTON-NOBLES MN  
43.65N 95.58W ELEV. 1584 FT  
927 AM CDT THU AUG 13 2020  
 
DATE THU 08/13/20 FRI 08/14/20 SAT 08/15/20  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 87 67 84 56 78  
TEMP 76 83 87 84 76 72 69 68 74 80 82 77 68 63 60 57 66 73 76 75  
DEWPT 72 71 70 70 69 68 66 66 70 71 70 69 66 63 57 55 58 57 57 61  
RH 87 67 57 63 79 87 90 93 87 74 67 76 93100 90 93 75 57 52 62  
WIND DIR S S S S S S S S S S S SW NW NW NW N N N N NW  
WIND SPD 13 16 17 14 12 9 11 9 13 18 18 10 8 8 8 5 8 9 8 5  
WIND GUST 27 24 28 20  
CLOUDS B1 SC SC FW SC SC SC B1 B1 SC B1 B2 SC SC FW FW FW CL FW FW  
POP 12HR 5 20 60 60 10  
QPF 12HR 0 0.08 0.24 0.18 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C L L L S S  
TSTMS S C L L L S S  
HEAT INDEX 88 92 88 84 86  
MAX HEAT 89 93 85 85 87  
 
DATE SUN 08/16/20 MON 08/17/20 TUE 08/18/20 WED 08/19/20  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 57 79 55 74 51 76 56 75  
TEMP 62 59 75 75 60 56 71 71 55 53 71 71 59 57 70 72  
DEWPT 57 54 58 60 56 53 54 54 51 50 54 56 54 53 57 57  
PWIND DIR W NW N N N SW S SW  
WIND CHAR LT LT LT GN LT LT LT GN  
AVG CLOUDS FW SC FW FW FW FW FW FW CL FW FW FW FW SC SC SC  
POP 12HR 5 5 5 0 5 5 10 5  
 

 
SDZ040-132200-  
BROOKINGS-BROOKINGS SD  
44.30N 96.80W ELEV. 1617 FT  
927 AM CDT THU AUG 13 2020  
 
DATE THU 08/13/20 FRI 08/14/20 SAT 08/15/20  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 87 67 84 54 79  
TEMP 77 84 87 84 76 72 69 68 74 80 79 74 65 61 56 54 67 75 78 76  
DEWPT 72 72 72 72 71 69 67 67 71 72 71 67 65 60 56 54 60 57 58 61  
RH 85 67 61 67 85 90 93 97 90 77 77 79100 97100100 78 54 50 60  
WIND DIR S S S S S S S S S S W NW NW N NW NW NW NW W SW  
WIND SPD 14 18 18 14 10 10 11 11 17 19 16 11 8 6 4 3 6 8 8 6  
WIND GUST 26 31 31 25 28 32  
CLOUDS SC SC SC SC SC SC B1 B1 B1 B1 B1 SC FW FW FW FW FW CL FW FW  
POP 12HR 5 30 50 30 5  
QPF 12HR 0 0.39 0.22 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S S C C C C  
TSTMS C S S C C C C  
HEAT INDEX 90 94 90 84  
MAX HEAT 90 96 87 85 85  
 
DATE SUN 08/16/20 MON 08/17/20 TUE 08/18/20 WED 08/19/20  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 57 79 55 75 52 77 55 76  
TEMP 63 58 76 75 60 55 72 72 57 53 73 73 60 57 72 74  
DEWPT 59 55 58 60 57 52 53 54 54 51 55 58 57 54 57 58  
PWIND DIR SW N N N SE SW S S  
WIND CHAR LT LT LT GN LT GN LT GN  
AVG CLOUDS SC SC FW FW FW FW FW CL FW FW FW FW SC SC SC FW  
POP 12HR 5 5 5 0 5 5 10 10  
 

 
SDZ050-132200-  
BURKE-GREGORY SD  
43.18N 99.29W ELEV. 2142 FT  
927 AM CDT THU AUG 13 2020  
 
DATE THU 08/13/20 FRI 08/14/20 SAT 08/15/20  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 91 68 84 57 81  
TEMP 77 84 90 85 76 71 70 69 76 78 80 77 68 63 60 58 69 76 80 78  
DEWPT 69 72 70 70 68 65 66 65 69 67 65 62 60 59 57 56 59 59 59 60  
RH 76 67 52 61 76 81 87 87 79 69 60 60 76 87 90 93 70 56 49 54  
WIND DIR S S S S S S S S SW NW NW N N NE SW SW S SE S SE  
WIND SPD 14 13 13 12 11 11 14 14 17 18 14 11 6 4 5 5 6 8 8 8  
WIND GUST 25 23 17 18  
CLOUDS SC FW SC SC SC FW SC SC SC FW FW CL CL CL FW FW CL CL FW FW  
POP 12HR 10 20 20 5 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S  
TSTMS S S  
HEAT INDEX 90 96 90  
MAX HEAT 91 97 86 82 81  
 
DATE SUN 08/16/20 MON 08/17/20 TUE 08/18/20 WED 08/19/20  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 60 81 57 79 57 79 59 78  
TEMP 65 61 77 78 63 58 74 76 61 58 74 77 64 60 73 75  
DEWPT 57 57 63 61 57 55 59 58 54 54 61 62 59 57 59 58  
PWIND DIR S NW N N SE S S S  
WIND CHAR LT LT LT LT LT GN GN GN  
AVG CLOUDS FW SC FW FW FW CL FW FW FW FW FW FW FW FW SC FW  
POP 12HR 20 10 10 5 10 5 20 10  
RAIN SHWRS S S S  
TSTMS S S S  
 

 
SDZ057-132200-  
CHAMBERLAIN-BRULE SD  
43.77N 99.32W ELEV. 1565 FT  
927 AM CDT THU AUG 13 2020  
 
DATE THU 08/13/20 FRI 08/14/20 SAT 08/15/20  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 94 68 85 57 83  
TEMP 80 88 93 90 78 71 69 68 77 78 79 77 67 63 60 58 70 77 82 80  
DEWPT 71 71 70 70 69 70 68 68 71 67 65 63 63 61 60 58 62 60 60 61  
RH 74 57 47 52 74 97 97100 82 69 62 62 87 93100100 76 56 47 52  
WIND DIR S S S S S S S S SW NW NW NW N NE SW SW S S S S  
WIND SPD 13 13 12 12 10 11 11 12 16 18 16 11 5 3 3 3 5 5 6 6  
WIND GUST 23 13 17  
CLOUDS SC FW SC SC SC FW FW SC SC FW FW CL CL CL CL CL CL CL FW FW  
POP 12HR 20 20 20 5 5  
QPF 12HR 0.01 0.02 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S  
TSTMS S S  
HEAT INDEX 83 94100 95  
MAX HEAT 95 102 93 83 83  
 
DATE SUN 08/16/20 MON 08/17/20 TUE 08/18/20 WED 08/19/20  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 61 83 57 80 57 81 59 80  
TEMP 66 61 77 79 63 58 75 76 61 58 76 78 64 60 74 76  
DEWPT 59 58 63 61 59 56 58 58 56 56 61 62 61 59 61 59  
PWIND DIR S N NE NE SE S SE SE  
WIND CHAR LT LT LT LT LT GN GN LT  
AVG CLOUDS SC FW FW FW FW CL CL FW SC SC FW FW SC SC SC FW  
POP 12HR 10 5 5 0 5 5 10 10  
 

 
SDZ038-132200-  
HURON-BEADLE SD  
44.38N 98.22W ELEV. 1282 FT  
927 AM CDT THU AUG 13 2020  
 
DATE THU 08/13/20 FRI 08/14/20 SAT 08/15/20  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 92 69 85 57 83  
TEMP 79 86 90 88 79 74 71 70 77 81 78 76 66 62 59 57 69 78 81 80  
DEWPT 71 73 73 73 71 69 68 68 71 69 66 63 61 59 57 56 59 58 58 60  
RH 77 65 58 61 77 84 90 93 82 67 67 64 84 90 93 96 70 50 46 51  
WIND DIR S S S S S SE S S S W NW NW N N W W SW SW S S  
WIND SPD 17 16 14 12 11 12 12 13 18 17 18 13 8 4 4 4 5 6 8 6  
WIND GUST 27 28 27 25 21 18  
CLOUDS SC FW SC SC SC SC SC SC B1 SC FW FW CL CL FW FW FW CL FW FW  
POP 12HR 20 40 20 10 5  
QPF 12HR 0 0.19 0.06 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S S S  
TSTMS C C S S S  
HEAT INDEX 93 98 95 84  
MAX HEAT 93 98 92 85 84 82  
 
DATE SUN 08/16/20 MON 08/17/20 TUE 08/18/20 WED 08/19/20  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 60 82 57 79 56 81 58 80  
TEMP 65 61 78 79 63 57 75 76 60 57 76 77 64 59 75 77  
DEWPT 58 56 58 58 56 53 53 54 54 52 55 58 58 55 57 57  
PWIND DIR S NE N N SE S SE SE  
WIND CHAR LT LT LT LT LT GN GN GN  
AVG CLOUDS SC SC FW FW FW CL CL CL FW FW FW FW SC SC FW FW  
POP 12HR 5 5 5 0 5 5 10 10  
 

 
SDZ059-132200-  
MITCHELL-DAVISON SD  
43.76N 98.02W ELEV. 1312 FT  
927 AM CDT THU AUG 13 2020  
 
DATE THU 08/13/20 FRI 08/14/20 SAT 08/15/20  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 90 69 87 57 82  
TEMP 79 86 89 87 79 74 71 70 78 83 81 78 68 63 60 58 69 77 81 80  
DEWPT 72 73 73 73 71 68 68 68 71 70 68 64 63 60 57 56 60 59 59 60  
RH 79 65 59 63 77 82 90 93 79 65 65 62 84 90 90 93 73 54 47 51  
WIND DIR S S S S S S S S S SW NW NW N N NW W W SW S SE  
WIND SPD 16 16 17 14 12 12 11 13 18 16 17 13 8 5 4 4 5 5 6 6  
WIND GUST 29 28 25  
CLOUDS SC SC SC FW SC SC SC SC SC SC FW FW CL CL FW CL CL CL FW FW  
POP 12HR 10 30 20 10 5  
QPF 12HR 0 0.39 0.03 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S S  
TSTMS C S S  
HEAT INDEX 93 97 94 87 84  
MAX HEAT 93 98 90 88 87 82  
 
DATE SUN 08/16/20 MON 08/17/20 TUE 08/18/20 WED 08/19/20  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 60 83 57 79 56 81 59 80  
TEMP 65 61 79 80 64 59 76 77 61 57 76 78 64 60 75 77  
DEWPT 58 57 60 61 58 54 56 56 55 52 57 59 58 56 58 57  
PWIND DIR S W N N SE S SE SE  
WIND CHAR LT LT LT LT LT GN GN GN  
AVG CLOUDS FW FW FW FW FW FW CL CL FW FW FW FW SC SC SC FW  
POP 12HR 10 5 5 0 5 5 10 10  
 

 
SDZ062-132200-  
SIOUX FALLS-MINNEHAHA SD  
43.57N 96.73W ELEV. 1424 FT  
927 AM CDT THU AUG 13 2020  
 
DATE THU 08/13/20 FRI 08/14/20 SAT 08/15/20  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 89 69 86 56 81  
TEMP 78 85 88 86 78 73 70 69 76 82 82 77 69 64 60 57 67 76 80 78  
DEWPT 72 73 72 71 71 69 68 68 71 73 72 68 66 63 58 55 59 58 58 61  
RH 82 67 59 61 79 87 93 97 85 74 72 74 90 97 93 93 75 54 47 56  
WIND DIR S S S S S S S S S S SW NW NW N N N N N NW W  
WIND SPD 14 17 19 17 12 11 9 9 14 19 12 10 6 6 5 3 5 5 6 5  
WIND GUST 25 27 27 25 20 17  
CLOUDS B1 SC SC SC SC B1 SC B1 B1 B1 B1 SC FW FW FW FW FW FW CL FW  
POP 12HR 5 30 50 30 5  
QPF 12HR 0 0.18 0.19 0.04 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C C C  
TSTMS S C C C C C  
HEAT INDEX 92 95 92 88 88  
MAX HEAT 93 96 91 89 90 81  
 
DATE SUN 08/16/20 MON 08/17/20 TUE 08/18/20 WED 08/19/20  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 58 81 56 77 53 79 58 78  
TEMP 63 59 77 78 62 57 74 74 58 54 74 75 62 58 73 75  
DEWPT 59 55 60 62 59 54 55 56 54 51 57 59 57 55 58 59  
PWIND DIR SW NW N N E S S S  
WIND CHAR LT LT LT LT LT LT LT GN  
AVG CLOUDS FW SC FW FW FW CL CL FW FW FW FW FW SC SC SC SC  
POP 12HR 5 5 5 0 5 5 10 5  
 

 
SDZ070-132200-  
VERMILLION-CLAY SD  
42.95N 96.92W ELEV. 1132 FT  
927 AM CDT THU AUG 13 2020  
 
DATE THU 08/13/20 FRI 08/14/20 SAT 08/15/20  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 90 69 89 58 83  
TEMP 79 86 90 87 79 73 70 69 78 86 86 79 70 66 61 58 69 78 82 79  
DEWPT 72 73 72 71 71 70 68 68 72 73 73 70 68 65 61 57 61 59 58 60  
RH 79 65 56 59 77 90 93 97 82 65 65 74 93 97100 96 76 52 44 52  
WIND DIR S S S S SE SE SE S S S SW NW NW N N NW N N NE NE  
WIND SPD 10 13 14 13 9 9 10 8 13 17 14 9 4 5 4 3 5 5 6 4  
WIND GUST 21 24 25 20  
CLOUDS SC SC SC SC SC SC SC B1 SC SC B1 SC SC FW FW FW FW CL CL FW  
POP 12HR 5 30 50 40 5  
QPF 12HR 0 0.30 0.29 0.09 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S C C C C  
TSTMS C S C C C C  
HEAT INDEX 93 97 93 93 93 81  
MAX HEAT 94 97 91 94 96 82  
 
DATE SUN 08/16/20 MON 08/17/20 TUE 08/18/20 WED 08/19/20  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 59 84 57 81 54 82 58 81  
TEMP 63 60 80 79 64 58 77 76 60 55 77 77 63 59 76 76  
DEWPT 59 55 60 62 59 56 57 57 55 52 58 58 58 56 59 58  
PWIND DIR S SW N N E S S S  
WIND CHAR LT LT LT LT LT LT LT GN  
AVG CLOUDS FW SC SC FW FW FW CL CL FW SC FW FW FW SC SC SC  
POP 12HR 5 5 10 0 5 5 20 5  
RAIN SHWRS S S  
TSTMS S S  
 

 
SDZ069-132200-  
YANKTON-YANKTON SD  
42.95N 97.39W ELEV. 1207 FT  
927 AM CDT THU AUG 13 2020  
 
DATE THU 08/13/20 FRI 08/14/20 SAT 08/15/20  
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 90 69 89 58 83  
TEMP 79 86 89 87 79 73 70 70 77 85 86 80 72 66 61 59 68 77 81 79  
DEWPT 73 74 73 73 73 70 69 69 72 73 72 69 67 64 60 58 60 60 59 61  
RH 82 68 59 63 82 90 97 97 85 67 63 69 84 93 97 96 76 56 47 54  
WIND DIR S S S S S SE S S S S W NW NW N N NW N N NE SE  
WIND SPD 12 16 16 14 10 10 9 9 13 17 16 11 6 8 5 4 6 8 6 5  
WIND GUST 26 26 23  
CLOUDS SC SC SC SC B1 SC SC SC SC SC SC FW FW FW FW FW CL CL CL FW  
POP 12HR 5 30 40 30 5  
QPF 12HR 0 0.19 0.17 0.05 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C C C  
TSTMS S C C C C C  
HEAT INDEX 93 97 94 92 92 82  
MAX HEAT 94 98 92 94 97 83  
 
DATE SUN 08/16/20 MON 08/17/20 TUE 08/18/20 WED 08/19/20  
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 60 84 58 80 55 82 59 81  
TEMP 65 61 79 79 65 59 76 77 60 56 76 78 64 59 75 77  
DEWPT 59 57 62 63 61 57 58 58 56 53 58 60 59 58 60 60  
PWIND DIR S SW N N E S S S  
WIND CHAR LT LT LT LT LT GN LT GN  
AVG CLOUDS FW SC SC FW FW FW CL FW FW SC FW FW FW SC SC FW  
POP 12HR 10 5 5 0 5 5 20 5  
RAIN SHWRS S S  
TSTMS S S  
 

 
 
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