134
FOUS53 KFSD 162311
PFMFSD
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SIOUX FALLS SD
611 PM CDT SAT AUG 16 2025
IAZ012-170900-
SIOUX CENTER-SIOUX IA
43.08N 96.18W ELEV. 1446 FT
611 PM CDT SAT AUG 16 2025
DATE 08/16/25 SUN 08/17/25 MON 08/18/25 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 72 91 68 89 65
TEMP 87 80 76 73 72 79 87 90 84 75 73 70 69 77 85 87 83 74 70 67 66
DEWPT 78 75 71 68 67 72 74 76 75 71 69 68 68 72 75 75 74 72 69 67 66
RH 75 85 85 84 84 79 65 64 74 87 87 93 97 85 72 68 74 93 97100100
WIND DIR S E SE SE E SE SE SE S SE S S S SW W E E NE E NE NE
WIND SPD 8 10 10 10 10 11 12 13 11 10 9 8 5 6 6 6 5 5 5 5 5
CLOUDS SC SC SC SC SC SC FW SC SC B1 B1 B1 B1 FW FW FW FW SC SC B1 B2
POP 12HR 5 30 50 10 30
QPF 12HR 0 0.17 0.18 0 0.12
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C C C C C C
TSTMS S C C C S C C S
HEAT INDEX 100 84 94101 92 94 96 90
MAX HEAT 105 94 95 102 85 94 98 86
HEAT Y
DATE 08/19 WED 08/20/25 THU 08/21/25 FRI 08/22/25 SAT 08/23/25
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 83 61 82 59 84 61 84 57 79
TEMP 78 78 65 63 78 78 64 61 80 80 65 63 81 78 64 59 75 74
DEWPT 70 70 65 63 66 67 63 61 66 66 62 61 66 65 60 57 59 59
PWIND DIR NE NE E SE S S SW N N
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 FW FW FW SC CL CL FW FW CL FW SC SC SC SC B1 SC SC
POP 12HR 10 5 0 0 0 10 10 30 10
RAIN SHWRS S C
TSTMS S S
IAZ031-170900-
SIOUX CITY-WOODBURY IA
42.40N 96.38W ELEV. 1210 FT
611 PM CDT SAT AUG 16 2025
DATE 08/16/25 SUN 08/17/25 MON 08/18/25 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 73 93 70 91 68
TEMP 90 80 78 75 73 82 90 93 88 78 75 73 71 79 87 90 88 78 73 70 69
DEWPT 76 73 69 67 68 71 74 75 74 72 70 69 69 73 75 75 75 74 72 70 68
RH 64 79 74 76 84 69 60 56 63 82 84 87 93 82 68 62 66 88 97100 97
WIND DIR S SE SE SE SE SE S S S SE S S S SW W SW SE E E NE NE
WIND SPD 9 10 10 9 9 11 12 12 10 9 6 5 5 5 6 5 5 5 4 3 4
WIND GUST 19
CLOUDS FW SC B1 SC SC SC FW SC FW B1 SC SC B1 SC FW FW FW SC SC SC B1
POP 12HR 0 30 40 10 30
QPF 12HR 0 0.09 0.40 0 0.05
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C C C C
TSTMS C C C C C C C S
HEAT INDEX 102 85 86100104 96 96100 97
MAX HEAT 106 98 102 106 94 98 102 94
HEAT Y
DATE 08/19 WED 08/20/25 THU 08/21/25 FRI 08/22/25 SAT 08/23/25
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 86 63 84 61 84 62 85 60 81
TEMP 81 81 68 64 80 81 67 62 81 82 68 64 82 82 67 62 77 77
DEWPT 71 70 68 64 67 67 66 62 66 65 63 61 66 65 63 59 60 60
PWIND DIR NE NE NE SE S S SW N N
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW SC CL FW FW FW CL FW FW SC SC SC B1 SC SC
POP 12HR 10 5 0 0 0 10 10 30 10
RAIN SHWRS S C
TSTMS S C
IAZ014-170900-
SPENCER-CLAY IA
43.15N 95.18W ELEV. 1325 FT
611 PM CDT SAT AUG 16 2025
DATE 08/16/25 SUN 08/17/25 MON 08/18/25 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 70 90 69 88 65
TEMP 86 79 75 72 71 78 86 88 84 76 74 71 70 78 84 86 84 74 69 66 65
DEWPT 78 76 73 70 67 72 74 76 75 72 69 68 68 72 75 75 74 72 69 66 65
RH 77 91 94 93 87 82 68 68 74 87 84 90 93 82 74 70 72 93100100100
WIND DIR S E SE SE E SE SE SE SE SE S SW SW W W NW NE NE NE N NE
WIND SPD 6 8 8 8 8 9 12 13 10 10 10 9 8 9 9 8 6 5 5 5 5
CLOUDS B1 FW SC B1 B1 B1 SC SC SC SC B1 B1 B1 SC FW FW FW SC SC B1 B1
POP 12HR 5 30 50 10 20
QPF 12HR 0 0.07 0.35 0 0.49
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C S S S S
TSTMS C C C S S S S
HEAT INDEX 98 94 99 91 91 96 91
MAX HEAT 102 95 95 100 87 92 98 86
HEAT Y
DATE 08/19 WED 08/20/25 THU 08/21/25 FRI 08/22/25 SAT 08/23/25
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 82 61 81 59 83 60 83 58 78
TEMP 76 77 65 62 76 77 63 60 78 78 65 61 79 78 64 59 74 73
DEWPT 69 69 65 62 65 66 62 59 65 66 62 59 65 66 61 56 59 59
PWIND DIR NE NE NE SE S S SW N N
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC FW SC SC CL CL FW FW CL FW SC SC SC SC SC SC FW
POP 12HR 10 5 0 0 0 10 10 20 10
RAIN SHWRS S S
TSTMS S S
IAZ022-170900-
STORM LAKE-BUENA VISTA
42.60N 95.23W ELEV. 1427 FT
611 PM CDT SAT AUG 16 2025
DATE 08/16/25 SUN 08/17/25 MON 08/18/25 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 71 90 70 89 66
TEMP 86 78 74 73 72 78 86 89 85 77 75 73 72 78 84 87 84 75 72 69 68
DEWPT 78 75 70 69 68 72 75 75 76 72 70 70 70 72 75 76 76 73 71 69 67
RH 77 91 87 87 87 82 70 64 75 85 84 90 93 82 74 70 77 94 97100 97
WIND DIR S S S S SE SE SE SE SE S S SW SW SW W SW E NE NE N NE
WIND SPD 8 10 10 10 10 11 12 12 10 10 10 10 10 10 9 8 6 5 5 5 5
CLOUDS FW SC SC SC SC SC FW FW FW B1 SC B1 B1 SC FW FW FW SC SC SC B1
POP 12HR 0 20 50 20 30
QPF 12HR 0 0 0.15 0 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C S S C C C C S
TSTMS C C C C S S C C C S S
HEAT INDEX 99 95100 94 92 97 93
MAX HEAT 101 93 96 102 89 94 99 89
HEAT Y
DATE 08/19 WED 08/20/25 THU 08/21/25 FRI 08/22/25 SAT 08/23/25
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 82 62 80 59 82 60 83 59 78
TEMP 77 77 66 64 76 77 64 61 78 77 64 61 79 78 65 61 74 73
DEWPT 71 70 66 64 67 67 63 61 65 66 62 61 67 66 62 59 60 60
PWIND DIR NE NE NE E SE S SW N N
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC FW SC SC CL CL FW FW CL FW SC SC SC SC SC SC FW
POP 12HR 20 5 0 0 0 10 10 30 10
RAIN SHWRS S S C
TSTMS S S C
MNZ072-170900-
MARSHALL-LYON MN
44.47N 95.82W ELEV. 1151 FT
611 PM CDT SAT AUG 16 2025
DATE 08/16/25 SUN 08/17/25 MON 08/18/25 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 69 86 69 83 63
TEMP 81 76 72 71 69 73 80 83 82 75 73 71 69 74 79 81 79 70 66 64 63
DEWPT 76 74 71 70 69 70 72 73 73 72 71 70 69 71 70 70 69 68 66 64 63
RH 85 94 97 97100 90 77 72 74 90 93 97100 90 74 69 72 93100100100
WIND DIR E E E E E SE E SE SE SE S SW W NW NW N N N N N NE
WIND SPD 9 10 9 10 10 11 12 13 11 10 9 8 6 9 10 10 9 6 5 5 4
CLOUDS B1 B2 B2 OV OV B2 B2 B1 B1 B2 B1 SC B1 SC SC FW FW SC SC B1 B2
POP 12HR 30 50 60 10 10
QPF 12HR 0.30 0.30 0.70 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C S S C C L L C C
TSTMS S S S S S S C L C S
HEAT INDEX 87 84 89 87 85
MAX HEAT 89 85 93 86 83 85
DATE 08/19 WED 08/20/25 THU 08/21/25 FRI 08/22/25 SAT 08/23/25
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 80 61 81 61 85 65 81 58 77
TEMP 74 76 65 62 77 78 65 62 81 81 69 66 77 75 63 59 73 71
DEWPT 65 68 65 62 65 66 64 61 65 67 64 63 65 63 59 56 56 57
PWIND DIR NE E E SE S S W NW NW
WIND CHAR LT LT LT LT GN GN GN LT GN
AVG CLOUDS B1 SC FW SC FW CL CL FW FW CL FW SC SC SC SC SC SC FW
POP 12HR 5 0 0 0 0 20 10 10 5
RAIN SHWRS S S
TSTMS S
MNZ081-170900-
WINDOM-COTTONWOOD MN
43.87N 95.12W ELEV. 1355 FT
611 PM CDT SAT AUG 16 2025
DATE 08/16/25 SUN 08/17/25 MON 08/18/25 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 70 86 69 85 63
TEMP 83 77 73 71 70 75 82 86 82 75 73 72 70 76 82 84 80 71 68 65 63
DEWPT 76 75 72 71 69 70 71 72 74 72 70 69 68 71 71 70 70 68 67 65 63
RH 80 94 97100 97 84 69 63 77 90 90 90 93 85 69 63 72 90 97100100
WIND DIR E E E E E E SE SE SE SE S S SW NW NW NW N NE NE N NE
WIND SPD 6 5 6 6 6 10 11 12 11 10 10 9 6 9 9 9 8 5 4 4 4
CLOUDS B1 B2 B2 B2 B2 B2 B1 SC B1 B1 B1 B1 SC SC FW FW FW FW SC B1 B1
POP 12HR 10 40 60 10 20
QPF 12HR 0.16 0.04 0.36 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S L L C C S S S S
TSTMS S S L L C S S
HEAT INDEX 91 86 92 88 87 89 82
MAX HEAT 94 87 89 94 85 88 90
DATE 08/19 WED 08/20/25 THU 08/21/25 FRI 08/22/25 SAT 08/23/25
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 80 60 79 60 82 63 82 58 76
TEMP 74 75 65 61 76 76 64 61 79 78 66 64 79 75 64 59 73 72
DEWPT 64 66 65 61 63 64 63 60 63 65 63 62 63 63 59 56 55 57
PWIND DIR NE NE NE SE S S W NW NW
WIND CHAR LT LT LT LT LT LT GN LT LT
AVG CLOUDS B1 SC FW FW SC CL CL FW FW CL FW SC SC SC SC SC SC FW
POP 12HR 5 5 0 0 0 10 10 20 5
RAIN SHWRS S S
TSTMS S
MNZ089-170900-
WORTHINGTON-NOBLES MN
43.65N 95.58W ELEV. 1584 FT
611 PM CDT SAT AUG 16 2025
DATE 08/16/25 SUN 08/17/25 MON 08/18/25 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 70 87 68 85 63
TEMP 83 78 74 72 70 76 83 86 82 75 72 70 69 76 82 84 81 72 68 65 64
DEWPT 79 75 73 71 69 70 71 72 73 72 70 68 68 71 72 72 71 70 67 65 63
RH 88 91 97 97 97 82 67 63 74 90 93 93 97 85 72 67 72 93 97100 97
WIND DIR SE E E E E E SE SE SE S S SW SW NW NW N NE NE NE NE NE
WIND SPD 6 8 8 8 9 11 12 13 12 10 10 9 8 9 9 8 8 6 5 5 5
CLOUDS B1 B2 B1 B2 B2 B2 B1 SC SC B1 B1 B1 SC FW FW FW FW SC SC B1 B2
POP 12HR 5 30 50 10 20
QPF 12HR 0 0.04 0.28 0 0.15
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C C S S S S
TSTMS S C C C S S S S
HEAT INDEX 93 87 93 87 87 89 86
MAX HEAT 98 91 90 94 88 90
DATE 08/19 WED 08/20/25 THU 08/21/25 FRI 08/22/25 SAT 08/23/25
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 80 60 80 59 83 62 82 57 77
TEMP 74 76 65 62 76 77 63 60 79 78 65 63 78 75 63 58 73 72
DEWPT 66 67 65 62 63 64 63 60 64 65 63 61 63 63 59 56 56 56
PWIND DIR NE NE E SE S S W N N
WIND CHAR LT LT LT LT LT LT GN LT LT
AVG CLOUDS B1 SC FW FW SC CL CL FW FW CL FW SC SC SC SC SC SC FW
POP 12HR 10 0 0 0 0 10 20 20 10
RAIN SHWRS S S
TSTMS S
SDZ040-170900-
BROOKINGS-BROOKINGS SD
44.30N 96.80W ELEV. 1617 FT
611 PM CDT SAT AUG 16 2025
DATE 08/16/25 SUN 08/17/25 MON 08/18/25 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 70 87 66 84 61
TEMP 83 77 73 72 70 76 82 86 82 74 70 68 66 74 80 83 79 70 66 64 63
DEWPT 76 74 70 69 68 70 70 72 72 70 69 67 66 69 70 70 69 67 64 62 62
RH 80 90 90 90 93 82 67 63 72 87 97 97100 84 72 65 72 90 93 93 97
WIND DIR E E E E E E SE SE E SE S S N N N N NE NE NE NE NE
WIND SPD 9 11 10 11 11 13 14 14 12 10 8 6 6 8 10 10 9 6 5 5 5
CLOUDS B1 B2 B2 B2 B2 B2 B1 B1 SC B1 SC SC B1 FW FW FW FW SC SC B1 B2
POP 12HR 20 50 40 5 10
QPF 12HR 0.12 0.21 0.26 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C C C S S
TSTMS S S C C C S
HEAT INDEX 91 86 91 87 82 86
MAX HEAT 94 87 87 92 85 83 87
DATE 08/19 WED 08/20/25 THU 08/21/25 FRI 08/22/25 SAT 08/23/25
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 81 60 82 61 85 63 80 56 75
TEMP 75 77 64 61 78 79 64 62 81 81 68 64 76 75 61 57 72 70
DEWPT 66 67 63 61 65 64 63 61 65 66 62 61 64 60 57 54 55 56
PWIND DIR NE E SE SE S S NW N N
WIND CHAR LT LT LT LT GN GN GN LT GN
AVG CLOUDS B1 FW FW FW FW CL FW FW FW FW SC B1 SC SC SC SC SC FW
POP 12HR 5 0 0 0 0 20 20 20 10
RAIN SHWRS S S S S S
TSTMS S S S S
SDZ050-170900-
BURKE-GREGORY SD
43.18N 99.29W ELEV. 2142 FT
611 PM CDT SAT AUG 16 2025
DATE 08/16/25 SUN 08/17/25 MON 08/18/25 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 72 93 67 90 63
TEMP 89 81 78 75 73 78 87 91 89 78 72 69 68 76 84 88 81 72 68 66 65
DEWPT 72 71 70 68 65 68 70 67 68 69 69 68 67 70 70 68 67 68 67 65 65
RH 57 72 76 79 76 71 57 45 50 74 90 97 97 82 63 52 63 87 97 97100
WIND DIR SE E SE SE SE SE SE SW NW NE N N N NE NE E NE S E W SE
WIND SPD 11 12 12 12 11 11 11 11 9 6 5 5 5 8 9 9 10 8 6 5 5
CLOUDS B1 B1 B1 B1 B1 B1 SC FW SC SC FW FW SC FW FW FW B1 B1 SC SC SC
POP 12HR 10 20 20 10 20
QPF 12HR 0 0 0 0.06 0.09
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S
TSTMS S S S S
HEAT INDEX 95 85 92 95 93 89 92 83
MAX HEAT 97 91 93 97 91 90 94
HEAT Y
DATE 08/19 WED 08/20/25 THU 08/21/25 FRI 08/22/25 SAT 08/23/25
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 86 63 87 64 91 66 83 60 78
TEMP 81 82 69 64 83 83 70 65 87 87 74 67 79 78 65 60 73 73
DEWPT 68 66 65 64 66 63 63 63 65 62 62 61 63 59 57 56 57 56
PWIND DIR E SE SE SE S S N N NE
WIND CHAR GN LT GN GN GN GN GN GN GN
AVG CLOUDS SC FW FW FW FW CL FW FW CL CL FW SC SC B1 B1 B1 SC SC
POP 12HR 10 5 0 0 5 20 20 30 20
RAIN SHWRS S S S S C S S
TSTMS S S S S S
SDZ057-170900-
CHAMBERLAIN-BRULE SD
43.77N 99.32W ELEV. 1565 FT
611 PM CDT SAT AUG 16 2025
DATE 08/16/25 SUN 08/17/25 MON 08/18/25 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 71 92 67 90 64
TEMP 85 80 77 74 72 78 85 90 89 78 73 70 68 76 84 87 83 73 69 67 65
DEWPT 75 74 71 70 68 71 71 71 72 72 71 70 68 70 70 69 69 69 68 67 65
RH 72 82 82 87 87 79 63 54 57 82 93100100 82 63 55 63 87 97100100
WIND DIR E E E E E SE S SE N NE NE N N NE E E SE E E NE E
WIND SPD 12 13 12 11 10 10 11 11 10 9 6 6 6 8 10 10 11 9 8 6 6
CLOUDS B1 B1 B1 B1 B1 B1 B1 FW FW FW FW FW SC FW FW FW SC B1 SC SC SC
POP 12HR 10 30 10 10 20
QPF 12HR 0.03 0.01 0 0.02 0.04
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S
TSTMS S S S
HEAT INDEX 94 84 91 97 96 88 91 87
MAX HEAT 95 93 92 100 95 88 92 84
DATE 08/19 WED 08/20/25 THU 08/21/25 FRI 08/22/25 SAT 08/23/25
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 88 64 89 65 94 66 84 59 79
TEMP 81 84 71 65 84 86 72 67 89 89 75 67 78 79 65 60 74 75
DEWPT 69 68 67 65 67 64 65 64 65 65 64 62 63 60 59 57 57 56
PWIND DIR E E SE SE S S NE N NE
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS SC FW FW FW FW CL FW CL CL FW SC SC SC SC B1 SC SC SC
POP 12HR 5 5 0 0 5 20 20 20 10
RAIN SHWRS S S S S
TSTMS S S S
SDZ038-170900-
HURON-BEADLE SD
44.38N 98.22W ELEV. 1282 FT
611 PM CDT SAT AUG 16 2025
DATE 08/16/25 SUN 08/17/25 MON 08/18/25 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 72 90 66 84 62
TEMP 86 79 76 73 72 78 83 86 85 75 70 69 67 74 80 83 81 72 68 65 63
DEWPT 77 74 71 70 68 70 71 72 74 72 70 68 67 68 69 68 69 68 66 64 63
RH 75 85 85 90 87 76 67 63 70 90100 97100 82 69 61 67 87 93 97100
WIND DIR E E E E E SE SE SE NE NE N N N N N NE NE NE NE NE E
WIND SPD 10 12 11 11 11 12 13 12 10 8 5 5 6 9 10 10 10 6 5 5 5
CLOUDS B1 B1 B2 B1 B2 B1 B1 SC SC SC SC SC B1 SC FW FW SC SC SC SC B1
POP 12HR 20 50 20 5 10
QPF 12HR 0.14 0.08 0.06 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C S S S
TSTMS S S S S S
HEAT INDEX 96 88 92 92 82 86 84
MAX HEAT 99 91 90 96 91 83 88
DATE 08/19 WED 08/20/25 THU 08/21/25 FRI 08/22/25 SAT 08/23/25
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 85 62 87 64 91 65 83 57 78
TEMP 78 81 68 63 82 83 70 65 85 85 72 66 78 77 63 57 73 73
DEWPT 67 68 65 63 66 65 64 64 66 67 64 62 63 60 57 55 56 56
PWIND DIR E E SE SE S SE N N N
WIND CHAR LT LT GN GN GN GN GN LT GN
AVG CLOUDS SC FW CL FW FW CL CL FW FW FW SC SC B1 B1 SC SC SC SC
POP 12HR 5 0 0 0 5 30 20 20 10
RAIN SHWRS S C S S S
TSTMS S C S S S
SDZ059-170900-
MITCHELL-DAVISON SD
43.76N 98.02W ELEV. 1312 FT
611 PM CDT SAT AUG 16 2025
DATE 08/16/25 SUN 08/17/25 MON 08/18/25 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 72 93 67 88 64
TEMP 86 81 77 74 72 79 87 90 87 77 73 69 68 76 83 86 83 73 69 66 65
DEWPT 77 76 72 71 67 70 71 72 73 72 70 68 68 70 71 71 71 70 68 66 65
RH 75 85 85 90 84 74 59 56 63 85 90 97100 82 67 61 67 90 97100100
WIND DIR E E E E E SE SE S SE SE S N N N NE NE E NE NE NE NE
WIND SPD 10 11 11 11 10 12 13 13 10 9 6 5 6 8 10 10 10 8 5 5 5
CLOUDS B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC FW FW FW SC B1 SC SC B1
POP 12HR 5 40 30 5 20
QPF 12HR 0 0.07 0.10 0 0.02
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C S S
TSTMS S C C S S S
HEAT INDEX 97 87 93 97 94 87 91 87
MAX HEAT 97 96 94 100 92 88 92 85
DATE 08/19 WED 08/20/25 THU 08/21/25 FRI 08/22/25 SAT 08/23/25
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 86 63 87 63 91 66 85 59 80
TEMP 80 81 69 64 82 83 70 64 85 85 72 67 81 79 65 59 75 74
DEWPT 69 69 67 64 67 66 65 64 67 66 64 62 64 61 59 56 57 57
PWIND DIR E E SE SE S S N N N
WIND CHAR LT LT GN GN GN GN GN LT GN
AVG CLOUDS SC FW FW FW FW CL FW FW FW FW SC SC SC SC B1 SC SC SC
POP 12HR 10 5 0 0 0 20 20 20 10
RAIN SHWRS S S S S
TSTMS S S S S
SDZ062-170900-
SIOUX FALLS-MINNEHAHA SD
43.57N 96.73W ELEV. 1424 FT
611 PM CDT SAT AUG 16 2025
DATE 08/16/25 SUN 08/17/25 MON 08/18/25 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 71 91 69 88 65
TEMP 86 80 77 73 71 78 86 90 84 76 73 70 69 77 84 87 83 75 70 67 65
DEWPT 77 76 74 71 68 70 72 74 73 72 70 68 68 72 72 72 72 71 68 66 65
RH 75 88 90 93 90 76 63 60 70 87 90 93 97 85 67 61 70 87 93 97100
WIND DIR SE E E E E SE SE SE SE SW S S E N N NE NE NE NE NE NE
WIND SPD 8 10 9 9 9 10 13 13 11 10 6 5 5 6 8 8 8 5 5 4 4
CLOUDS B1 B1 B1 B1 B1 B1 SC B1 SC B2 SC SC SC FW FW FW FW SC SC B1 B1
POP 12HR 5 40 40 5 20
QPF 12HR 0 0.25 0.18 0 0.06
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C C C S S
TSTMS S C C C C S S
HEAT INDEX 96 86 92 98 90 90 93 88
MAX HEAT 100 96 94 101 89 92 95 87
HEAT Y
DATE 08/19 WED 08/20/25 THU 08/21/25 FRI 08/22/25 SAT 08/23/25
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 83 62 84 61 86 64 84 59 79
TEMP 78 79 66 63 79 80 66 62 81 81 68 64 81 78 65 59 75 74
DEWPT 68 68 65 63 65 64 64 61 66 65 64 62 64 63 59 56 57 56
PWIND DIR NE E E SE S S W N N
WIND CHAR LT LT LT LT GN LT GN LT LT
AVG CLOUDS B1 FW FW FW FW CL FW FW FW CL FW SC SC SC SC SC SC SC
POP 12HR 10 0 0 0 0 20 20 20 10
RAIN SHWRS S S S S
TSTMS S S S
SDZ070-170900-
VERMILLION-CLAY SD
42.95N 96.92W ELEV. 1132 FT
611 PM CDT SAT AUG 16 2025
DATE 08/16/25 SUN 08/17/25 MON 08/18/25 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 73 92 69 90 67
TEMP 90 82 78 75 73 82 89 89 85 78 74 72 70 79 88 89 87 77 72 69 68
DEWPT 77 74 70 68 68 72 75 76 76 73 72 70 69 74 75 76 76 74 72 69 68
RH 66 77 76 79 84 72 64 66 75 85 93 93 97 85 66 66 70 90100100100
WIND DIR S SE SE SE E SE SE S SE S S S S W NE E E E NW NE NE
WIND SPD 8 11 10 10 10 11 13 13 11 10 8 6 5 6 6 6 5 5 5 4 4
WIND GUST 18
CLOUDS FW SC SC SC SC SC SC SC SC B1 B1 SC SC FW FW FW FW SC SC B1 B1
POP 12HR 5 30 40 10 30
QPF 12HR 0 0.02 0.40 0 0.13
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C C C C C C C
TSTMS S C C C C C C C C S
HEAT INDEX 103 88 86100101 94 97100 98
MAX HEAT 106 99 83 102 105 90 99 102 94
HEAT Y
DATE 08/19 WED 08/20/25 THU 08/21/25 FRI 08/22/25 SAT 08/23/25
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 86 63 84 62 86 64 86 60 80
TEMP 81 81 68 65 81 81 67 63 82 82 69 65 83 80 66 61 77 75
DEWPT 72 72 68 64 69 69 66 63 68 68 64 62 67 67 62 59 61 61
PWIND DIR NE E E SE S S SW N N
WIND CHAR LT LT LT LT GN LT GN LT LT
AVG CLOUDS SC FW FW FW FW CL CL FW FW CL FW SC SC SC SC B1 SC SC
POP 12HR 10 5 0 0 0 10 10 30 10
RAIN SHWRS S C
TSTMS S S
SDZ069-170900-
YANKTON-YANKTON SD
42.95N 97.39W ELEV. 1207 FT
611 PM CDT SAT AUG 16 2025
DATE 08/16/25 SUN 08/17/25 MON 08/18/25 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 73 93 70 91 67
TEMP 89 82 79 75 73 79 87 91 87 78 75 72 70 78 85 89 86 77 72 69 68
DEWPT 77 75 71 68 67 71 73 75 75 72 72 70 69 72 74 75 75 73 72 69 68
RH 68 79 77 79 81 77 63 60 68 82 90 93 97 82 70 64 70 87100100100
WIND DIR SE E SE SE E SE SE S SE SE S S W N NE E E NE N NE N
WIND SPD 9 11 10 10 10 11 13 13 12 9 6 5 5 6 9 8 8 6 5 5 5
CLOUDS SC SC SC SC SC SC SC SC SC B2 SC SC SC FW FW FW SC B1 SC B1 B1
POP 12HR 5 40 40 10 30
QPF 12HR 0 0.05 0.30 0 0.39
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C C C C S S
TSTMS C C C C S S C C S S
HEAT INDEX 102 89 95102 96 94 98 95
MAX HEAT 105 98 96 105 94 95 100 91
HEAT Y
DATE 08/19 WED 08/20/25 THU 08/21/25 FRI 08/22/25 SAT 08/23/25
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 86 64 85 63 88 65 87 61 80
TEMP 80 82 69 65 80 82 68 64 82 83 70 66 82 80 67 61 75 75
DEWPT 71 72 69 64 68 68 66 64 68 68 64 62 66 65 62 59 60 60
PWIND DIR NE E E SE SE S W N N
WIND CHAR LT LT LT LT GN GN GN LT GN
AVG CLOUDS SC FW FW FW FW CL FW FW FW CL FW SC SC SC B1 B1 SC SC
POP 12HR 10 5 0 0 0 20 20 30 10
RAIN SHWRS S S S S C
TSTMS S S S S S
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page