072
FOUS53 KFSD 180737
PFMFSD
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SIOUX FALLS SD
237 AM CDT TUE AUG 18 2026
IAZ012-182100-
SIOUX CENTER-SIOUX IA
43.08N 96.18W ELEV. 1446 FT
237 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 78 59 77 58 79
TEMP 66 63 70 75 76 75 67 64 61 59 69 75 75 72 65 62 60 59 70 76 79 76
DEWPT 65 63 70 72 73 71 67 64 61 59 67 68 68 68 65 62 60 59 69 72 73 73
RH 97100100 90 90 87100100100100 93 79 79 87100100100100 97 87 82 90
WIND DIR SW S W NW NW N NE E E SE SE S SW SE SE S S S S S S S
WIND SPD 4 3 3 3 3 2 2 2 2 2 2 2 2 2 3 3 3 3 6 9 9 5
CLOUDS B1 B2 B1 SC B1 SC SC B1 SC B1 SC B1 SC SC SC FW FW SC FW FW FW FW
POP 12HR 40 5 30 10 20
QPF 12HR 0.02 0 0.14 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S C
TSTMS C C S C
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 82 59 78 58 77 60 78
TEMP 65 62 79 78 65 60 75 75 63 60 74 74 65 61 76 76
DEWPT 65 62 72 73 64 59 66 68 60 59 69 71 65 61 71 73
PWIND DIR S W NE NE E SE SE S
WIND CHAR LT LT LT LT LT GN LT LT
AVG CLOUDS SC SC FW FW FW FW SC FW FW SC B2 B1 SC SC B2 SC
POP 12HR 40 10 20 5 20 20 20 10
RAIN SHWRS C S S S S S S S
TSTMS C S S S
IAZ031-182100-
SIOUX CITY-WOODBURY IA
42.40N 96.38W ELEV. 1210 FT
237 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 79 61 78 59 80
TEMP 67 64 71 77 78 77 71 67 64 62 70 76 77 76 68 64 62 60 70 78 80 78
DEWPT 65 64 70 72 73 72 69 67 64 62 68 69 68 68 65 64 62 60 69 71 72 73
RH 93100 97 85 85 85 93100100100 93 79 74 76 90100100100 97 79 77 85
WIND DIR S S SW W W W E E E SE SE SE S SE S S S S S S S S
WIND SPD 5 3 3 4 4 3 2 2 2 1 2 3 2 3 3 3 2 2 5 8 6 4
CLOUDS SC B2 B1 B1 B1 B2 B1 B1 SC B2 SC B2 B1 SC SC SC FW SC FW FW FW FW
POP 12HR 50 5 40 20 10
QPF 12HR 0.04 0 0.03 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S S S S S C
TSTMS C C S S S S C
HEAT INDEX 84
MAX HEAT 86
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 62 83 62 79 60 78 62 79
TEMP 67 63 80 81 68 62 77 77 65 62 75 76 67 63 77 77
DEWPT 66 63 73 73 66 61 68 69 63 60 69 71 66 63 72 73
PWIND DIR S SW NE NE SE SE SE SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW CL FW SC FW FW SC B2 B1 SC SC B1 SC
POP 12HR 30 10 10 5 20 20 20 20
RAIN SHWRS C S S S S S S
TSTMS C S S
IAZ014-182100-
SPENCER-CLAY IA
43.15N 95.18W ELEV. 1325 FT
237 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 78 57 78 57 79
TEMP 65 63 71 76 77 74 66 63 59 58 69 75 77 74 64 61 59 58 70 77 79 76
DEWPT 63 63 68 70 70 69 66 62 59 58 64 64 64 64 62 60 59 58 66 68 70 70
RH 93100 90 82 79 84100 97100100 84 69 64 71 93 97100100 87 74 74 82
WIND DIR S W W NW NW NW NE NE E SE SE S SW S SE S SW SW SW SW S S
WIND SPD 6 5 5 5 5 3 3 2 2 1 3 3 3 2 3 3 3 3 6 10 11 8
CLOUDS B1 B2 B1 SC B1 SC B1 SC SC B1 FW B1 B1 SC SC FW FW FW FW FW FW FW
POP 12HR 60 20 10 10 20
QPF 12HR 0.06 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L S S S S S S C
TSTMS C S S S S S S S C
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 59 78 57 77 59 79
TEMP 65 61 79 78 64 59 75 74 61 59 75 74 63 60 76 76
DEWPT 64 61 69 69 61 57 63 64 58 57 65 67 62 60 68 69
PWIND DIR SW W NW N E SE SE S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC FW FW FW FW SC FW FW SC B1 B1 SC SC B1 SC
POP 12HR 40 10 20 5 10 10 20 10
RAIN SHWRS C C S S S
TSTMS C S S S
IAZ022-182100-
STORM LAKE-BUENA VISTA
42.60N 95.23W ELEV. 1427 FT
237 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 78 60 77 59 78
TEMP 67 65 71 76 77 74 67 65 62 60 68 75 75 73 65 62 61 60 70 76 78 75
DEWPT 64 64 69 72 72 71 67 65 62 60 67 67 67 67 64 62 61 60 68 69 72 72
RH 90 97 93 87 85 90100100100100 97 76 76 81 97100100100 93 79 82 90
WIND DIR SW NW W W W N NE NE E SE E SE SE SE SE S S SW SW S S S
WIND SPD 6 5 5 4 4 3 2 2 3 2 3 2 2 2 2 3 3 3 4 8 8 4
CLOUDS SC B2 B1 B1 SC B1 B2 SC B1 B2 SC B1 SC FW FW FW FW SC FW FW FW FW
POP 12HR 60 20 10 5 20
QPF 12HR 0.01 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S L C S S S S S S
TSTMS S S S S S S S S S
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 62 81 61 77 59 76 61 78
TEMP 65 62 79 77 65 61 75 74 63 60 74 73 64 61 75 75
DEWPT 65 62 72 73 64 60 67 68 60 59 68 70 64 61 71 72
PWIND DIR SW W N N E SE SE S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC FW FW FW FW SC FW FW SC B1 B1 SC B1 B1 SC
POP 12HR 20 10 30 5 20 20 20 5
RAIN SHWRS S C S S S S S
TSTMS S C S
MNZ072-182100-
MARSHALL-LYON MN
44.47N 95.82W ELEV. 1151 FT
237 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 78 57 80 60 84
TEMP 67 64 70 74 77 76 66 61 59 57 70 77 79 77 67 64 62 61 74 81 83 80
DEWPT 65 62 65 64 63 61 63 60 58 57 60 59 58 59 61 60 61 61 65 64 64 65
RH 93 93 84 71 62 60 90 97 96100 71 54 49 54 81 87 97100 74 56 53 60
WIND DIR W NW NW N NW NW NW SW SW SW S SW SW S S SW SW SW SW SW SW S
WIND SPD 6 5 5 5 5 6 3 2 2 2 3 4 4 4 5 6 8 8 11 11 11 11
CLOUDS B1 B2 SC SC SC SC FW FW FW SC SC FW SC FW SC FW FW FW FW FW SC SC
POP 12HR 30 5 30 10 30
QPF 12HR 0.01 0 0.06 0 0.05
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S C C C
TSTMS S S C S
HEAT INDEX 83 82
MAX HEAT 81 83 85
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 63 83 59 79 59 79 61 82
TEMP 68 63 80 80 65 60 77 77 64 60 77 77 66 62 79 80
DEWPT 64 62 63 61 59 56 57 57 58 58 60 62 63 62 65 66
PWIND DIR SW NW NW N NW SE S SW
WIND CHAR GN GN LT LT LT GN LT GN
AVG CLOUDS SC SC FW CL CL FW FW FW FW SC B1 SC SC SC B1 SC
POP 12HR 30 5 5 0 10 10 30 5
RAIN SHWRS C C S
TSTMS S
MNZ081-182100-
WINDOM-COTTONWOOD MN
43.87N 95.12W ELEV. 1355 FT
237 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 77 56 78 58 80
TEMP 66 64 71 74 77 75 66 62 58 56 70 75 77 75 66 63 60 59 71 78 80 77
DEWPT 64 63 66 64 64 63 63 60 58 56 60 58 58 60 61 60 59 59 64 64 65 66
RH 93 97 84 71 64 66 90 93100100 71 55 52 60 84 90 96100 79 62 60 69
WIND DIR SW W NW N N NW NW N NE N S SW SW S S SW SW SW SW SW SW S
WIND SPD 8 4 4 5 4 4 2 2 1 0 2 3 3 2 3 4 5 5 9 11 11 9
CLOUDS B1 B2 SC SC SC SC SC SC FW SC SC SC SC SC SC FW FW FW FW FW FW SC
POP 12HR 40 10 30 5 20
QPF 12HR 0.04 0 0.17 0 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C S S S S C
TSTMS C S S S S S S S
HEAT INDEX 82
MAX HEAT 83
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 81 59 78 57 77 59 79
TEMP 66 62 79 79 65 59 75 76 63 59 75 75 64 60 76 77
DEWPT 65 62 63 64 60 56 57 58 58 57 60 62 63 60 64 65
PWIND DIR SW NW NW N W S S S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC FW FW FW FW FW FW SC SC B1 B1 B1 SC B1 SC
POP 12HR 40 10 10 0 10 10 20 10
RAIN SHWRS C S S S
TSTMS S S
MNZ089-182100-
WORTHINGTON-NOBLES MN
43.65N 95.58W ELEV. 1584 FT
237 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 77 57 77 58 79
TEMP 65 62 69 74 77 74 65 62 59 57 69 74 77 74 64 62 60 59 70 76 79 76
DEWPT 65 62 67 66 66 65 64 61 59 57 62 61 61 62 62 61 60 59 65 66 67 66
RH 100100 93 76 69 74 97 97100100 78 64 58 66 93 97100100 84 71 67 71
WIND DIR SW SW W N N N N NW E S S SW SW SE S SW SW SW SW SW SW S
WIND SPD 8 4 4 5 4 4 3 2 2 2 3 3 3 3 3 5 6 6 10 11 11 10
CLOUDS B1 B2 B1 SC SC SC B1 SC FW B1 SC B1 SC FW SC FW FW SC FW FW FW FW
POP 12HR 40 10 20 10 20
QPF 12HR 0.05 0 0.01 0 0.02
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C S S S S C
TSTMS C S S S S S S S
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 81 59 77 58 76 59 78
TEMP 66 62 78 78 64 59 75 75 62 59 74 74 64 60 76 76
DEWPT 65 62 65 65 60 56 59 60 58 58 62 64 63 60 66 67
PWIND DIR SW NW N N E S S S
WIND CHAR GN LT LT LT LT GN LT LT
AVG CLOUDS SC SC FW FW FW FW FW FW SC SC B1 B1 SC SC B1 SC
POP 12HR 30 10 10 0 10 20 20 10
RAIN SHWRS C S S S
TSTMS S S
SDZ040-182100-
BROOKINGS-BROOKINGS SD
44.30N 96.80W ELEV. 1617 FT
237 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 78 55 79 57 83
TEMP 64 61 68 75 77 76 66 60 57 55 70 76 77 75 66 62 60 58 71 80 82 80
DEWPT 64 61 65 64 62 61 61 59 57 55 61 60 59 60 61 61 60 58 66 66 63 64
RH 100100 90 69 60 60 84 96100100 73 58 54 60 84 97100100 84 62 53 58
WIND DIR W N N N N N E NE SE E S SW SW SW S S S S SW SW SW SW
WIND SPD 4 3 5 5 5 5 4 2 2 2 4 6 5 4 4 5 6 5 10 11 13 9
CLOUDS B2 B2 SC SC SC SC SC FW SC B2 SC FW SC FW FW FW SC SC FW FW SC SC
POP 12HR 20 5 10 10 10
QPF 12HR 0.02 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C
TSTMS S S
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 83 57 79 57 79 60 82
TEMP 65 60 80 80 63 58 77 77 63 59 76 77 64 60 79 80
DEWPT 64 60 62 60 57 54 56 57 57 56 61 62 63 60 65 66
PWIND DIR SW N NE NE E S S SW
WIND CHAR LT LT LT LT LT GN LT GN
AVG CLOUDS SC FW FW FW CL FW SC FW FW SC B2 B1 SC SC B1 SC
POP 12HR 30 5 5 0 10 20 20 5
RAIN SHWRS C S S S S S
TSTMS S S
SDZ050-182100-
BURKE-GREGORY SD
43.18N 99.29W ELEV. 2142 FT
237 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 80 61 78 60 86
TEMP 65 63 69 75 79 78 70 66 63 61 68 73 76 75 67 64 62 61 72 82 85 83
DEWPT 65 63 66 65 63 64 63 62 61 61 64 64 63 65 64 63 62 61 65 64 62 65
RH 100100 90 71 58 62 78 87 93100 87 73 64 71 90 97100100 79 55 46 55
WIND DIR NW W W N N NE NE SE S SW SW S S SE S S SW SW SW SW SW SE
WIND SPD 9 6 8 8 6 4 4 3 4 5 6 9 9 8 9 10 11 11 10 10 9 6
CLOUDS B1 B1 B1 SC SC B1 B2 B1 B1 B2 B2 SC SC FW FW FW FW FW CL CL FW CL
POP 12HR 5 10 40 20 0
QPF 12HR 0 0 0.06 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C S S S
TSTMS S S S S
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 63 86 62 81 63 81 63 83
TEMP 69 64 81 82 68 63 77 79 68 64 75 78 68 64 78 80
DEWPT 61 60 65 66 61 58 62 64 62 62 66 68 66 64 67 68
PWIND DIR S SE E E SE SE SE SE
WIND CHAR LT GN LT GN GN BZ GN GN
AVG CLOUDS FW FW FW FW CL FW SC FW FW B1 B2 B1 SC SC B1 SC
POP 12HR 10 10 10 5 50 30 30 5
RAIN SHWRS C C S C
TSTMS S S S C
SDZ057-182100-
CHAMBERLAIN-BRULE SD
43.77N 99.32W ELEV. 1565 FT
237 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 81 60 80 60 87
TEMP 66 63 70 76 80 79 71 66 63 61 69 75 79 77 69 65 63 61 72 83 87 85
DEWPT 66 63 65 64 62 61 63 63 62 61 64 64 63 63 65 65 63 61 66 64 61 62
RH 100100 84 66 54 54 76 90 97100 84 69 58 62 87100100100 81 53 42 46
WIND DIR NE SW NW N N N E SE SE S S S S S S S S S SW SW W N
WIND SPD 4 4 5 6 6 5 4 4 4 4 4 8 8 8 9 8 6 5 6 9 9 8
CLOUDS SC B1 B1 SC SC B1 B1 B1 SC B2 B1 FW FW FW FW FW CL SC CL FW FW CL
POP 12HR 5 5 40 10 0
QPF 12HR 0 0 0.05 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 63 87 62 83 63 82 63 85
TEMP 69 63 83 85 68 62 79 81 68 64 77 80 68 64 80 83
DEWPT 63 62 63 62 60 58 59 61 62 62 66 67 67 64 68 67
PWIND DIR SE E E E SE SE SE E
WIND CHAR LT LT LT GN GN BZ GN GN
AVG CLOUDS FW FW FW FW CL FW SC SC FW B1 B2 B1 SC SC B1 SC
POP 12HR 5 5 5 5 50 40 20 20
RAIN SHWRS C C S S S S
TSTMS S S S S S
SDZ038-182100-
HURON-BEADLE SD
44.38N 98.22W ELEV. 1282 FT
237 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 81 59 81 60 86
TEMP 64 62 69 76 80 79 69 64 61 59 70 78 80 76 67 64 62 61 72 82 86 83
DEWPT 63 61 64 63 61 61 61 61 61 59 63 62 62 63 64 64 62 61 66 65 63 64
RH 97 97 84 64 52 54 76 90100100 78 58 54 64 90100100100 81 56 46 53
WIND DIR N NW NW N N N NE E E SE S SW S SE S S S S S S SW W
WIND SPD 4 4 5 6 6 5 4 4 3 4 5 8 6 6 6 8 8 6 9 10 10 8
CLOUDS B2 B2 B1 SC B1 FW SC SC SC B1 SC FW SC FW FW FW FW SC FW FW FW FW
POP 12HR 10 5 30 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S
HEAT INDEX 84
MAX HEAT 82 81 84 87
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 62 86 60 82 62 82 63 84
TEMP 67 62 82 82 66 60 79 79 66 62 77 79 67 63 80 81
DEWPT 64 61 62 61 59 56 57 60 60 59 63 65 65 63 66 67
PWIND DIR S N NE NE E SE SE SW
WIND CHAR LT LT LT GN GN GN GN GN
AVG CLOUDS FW FW FW FW CL FW SC FW FW SC B2 B1 SC SC B1 SC
POP 12HR 5 0 5 5 20 30 20 5
RAIN SHWRS S S C S S
TSTMS S
SDZ059-182100-
MITCHELL-DAVISON SD
43.76N 98.02W ELEV. 1312 FT
237 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 81 59 81 60 86
TEMP 66 63 71 75 80 79 69 64 61 59 70 75 79 76 67 64 63 61 72 81 85 83
DEWPT 66 63 67 66 65 65 64 63 61 59 65 64 64 66 66 64 63 61 67 67 66 68
RH 100100 87 74 60 62 84 97100100 84 69 60 71 97100100100 84 63 53 61
WIND DIR N W NW N N N N NE E SE S SW S S S S S S S S SW SW
WIND SPD 4 4 6 6 8 5 3 3 3 4 5 6 9 6 6 6 6 6 9 10 11 8
CLOUDS B2 B2 SC B1 SC B1 B1 SC SC B1 B1 FW SC SC FW FW FW SC FW FW FW FW
POP 12HR 5 5 30 10 5
QPF 12HR 0 0 0.15 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C C
TSTMS S S
HEAT INDEX 82 83 87 86
MAX HEAT 83 82 84 89
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 62 86 59 82 61 81 62 84
TEMP 67 62 82 83 66 60 78 80 66 62 76 79 67 63 78 81
DEWPT 66 62 65 66 62 57 59 63 62 60 65 68 66 63 68 70
PWIND DIR S N NE E SE SE SE S
WIND CHAR LT LT LT GN GN GN GN GN
AVG CLOUDS FW FW FW FW CL FW SC FW FW SC B2 B1 SC SC B1 SC
POP 12HR 5 5 0 0 20 20 20 5
RAIN SHWRS S S S S S S
TSTMS S S S
SDZ062-182100-
SIOUX FALLS-MINNEHAHA SD
43.57N 96.73W ELEV. 1424 FT
237 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 81 59 80 60 83
TEMP 66 64 71 76 79 78 69 64 61 59 71 77 78 76 67 64 62 61 72 80 83 80
DEWPT 66 64 68 67 66 65 64 62 61 59 64 63 62 62 63 63 62 61 66 67 67 67
RH 100100 90 74 64 64 84 93100100 79 62 58 62 87 97100100 81 65 59 65
WIND DIR NW SW W N N N NE NE E E S S SW S S S S S S S S SW
WIND SPD 4 2 3 5 4 5 3 3 2 2 4 4 5 5 3 4 4 4 8 10 11 9
CLOUDS B1 B2 SC SC SC SC SC SC SC B1 SC SC FW FW SC FW FW SC FW FW FW FW
POP 12HR 20 5 30 10 10
QPF 12HR 0.01 0 0.06 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L S S S C
TSTMS C S S S
HEAT INDEX 82 85 82
MAX HEAT 83 81 83 86
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 62 85 60 81 60 80 62 82
TEMP 67 62 82 82 66 61 78 79 65 61 77 78 66 62 79 80
DEWPT 66 62 65 64 61 57 59 60 59 59 63 65 64 62 67 68
PWIND DIR S NW NE NE E SE SE S
WIND CHAR LT LT LT LT LT GN LT LT
AVG CLOUDS FW FW FW FW CL FW SC FW FW SC B2 B1 SC SC B2 B1
POP 12HR 30 5 5 5 20 20 20 5
RAIN SHWRS C S S S S S
TSTMS S S S
SDZ070-182100-
VERMILLION-CLAY SD
42.95N 96.92W ELEV. 1132 FT
237 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 80 61 78 60 82
TEMP 67 64 72 77 79 78 70 67 64 62 70 75 77 75 67 65 63 61 71 79 82 80
DEWPT 67 64 71 73 73 73 70 67 64 62 69 69 69 69 67 65 63 61 70 72 73 75
RH 100100 97 87 82 85100100100100 97 82 76 82100100100100 97 79 74 85
WIND DIR S W SW NW NW NW NW NE E SE SE S S SE S S S S S S S S
WIND SPD 6 4 4 5 5 4 3 3 3 2 3 4 4 4 4 4 4 4 6 9 9 6
CLOUDS B1 B2 B1 SC SC B1 SC SC SC B2 B1 B2 SC SC SC SC FW SC FW FW FW FW
POP 12HR 30 5 40 20 10
QPF 12HR 0.01 0 0.06 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C C C S S S S C
TSTMS C C S C S C
HEAT INDEX 87 82
MAX HEAT 84 88
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 62 84 61 79 60 78 62 80
TEMP 68 63 81 81 68 62 77 77 66 62 75 76 67 63 77 78
DEWPT 68 63 73 74 66 61 68 70 64 61 70 72 67 63 72 74
PWIND DIR S S NE E SE SE SE S
WIND CHAR LT LT LT LT LT GN LT LT
AVG CLOUDS FW FW FW FW CL FW SC FW FW SC B2 B1 SC SC B1 SC
POP 12HR 30 10 20 0 20 20 20 20
RAIN SHWRS C S S S S S S S
TSTMS C S S S S
SDZ069-182100-
YANKTON-YANKTON SD
42.95N 97.39W ELEV. 1207 FT
237 AM CDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 81 61 79 60 83
TEMP 67 65 71 76 79 78 70 66 63 61 69 74 77 75 67 65 63 61 70 79 83 81
DEWPT 67 65 71 72 71 72 69 66 63 61 68 69 68 69 67 65 63 61 70 71 71 73
RH 100100100 87 77 82 97100100100 97 84 74 82100100100100100 77 67 77
WIND DIR W SW W NW NW W NW N NE E S S S S SE S S S S S S S
WIND SPD 6 4 5 5 5 4 3 3 3 3 4 5 5 5 5 5 4 4 6 10 9 6
CLOUDS B1 B2 B1 SC B1 B1 SC B1 SC B1 B2 B2 SC FW SC FW FW SC FW FW FW FW
POP 12HR 20 5 50 20 10
QPF 12HR 0.01 0 0.42 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L S C C S S C
TSTMS C S S S C
HEAT INDEX 88 85
MAX HEAT 85 84 90
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 63 85 62 81 61 79 62 81
TEMP 68 63 81 81 68 62 77 78 66 63 75 77 67 63 77 79
DEWPT 67 63 71 73 65 60 65 69 64 61 69 72 67 63 71 73
PWIND DIR S SE NE E SE SE SE S
WIND CHAR LT LT LT LT GN GN GN GN
AVG CLOUDS FW FW FW FW FW FW SC FW FW SC B2 B1 SC B1 B1 SC
POP 12HR 30 10 20 0 20 20 20 5
RAIN SHWRS C S S S S S S
TSTMS C S S S
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