286
FOUS53 KFSD 170737
PFMFSD
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SIOUX FALLS SD
237 AM CDT MON AUG 17 2026
IAZ012-172100-
SIOUX CENTER-SIOUX IA
43.08N 96.18W ELEV. 1446 FT
237 AM CDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 76 57 74
TEMP 60 58 71 76 78 77 69 66 63 62 69 73 74 73 67 64 60 58 66 71 73 71
DEWPT 56 55 64 65 68 71 68 66 63 62 69 72 73 72 67 64 60 58 66 68 69 69
RH 87 90 79 69 71 82 97100100100100 97 97 97100100100100100 90 87 93
WIND DIR N N SW SW SW SW S S SW SW N SE NW NE NE E NE E E SE S E
WIND SPD 0 0 3 8 10 8 6 4 2 2 2 3 3 3 2 2 2 2 2 2 1 1
CLOUDS SC SC FW FW FW SC B1 FW B1 B2 B2 SC SC SC B2 B1 B2 B2 B1 SC SC SC
POP 12HR 5 40 60 10 10
QPF 12HR 0 0.08 0.15 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S L C L S C
TSTMS S S S C C S S C
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 56 76 59 80 59 77 57 75
TEMP 61 57 73 74 64 60 77 76 64 59 75 74 62 59 73 73
DEWPT 61 57 69 72 64 60 73 74 64 59 68 69 61 59 69 71
PWIND DIR SE S S SW NW N E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC FW FW FW SC FW FW FW SC FW FW SC B2 B1
POP 12HR 40 20 20 10 10 5 10 10
RAIN SHWRS C C S S
TSTMS C C S
IAZ031-172100-
SIOUX CITY-WOODBURY IA
42.40N 96.38W ELEV. 1210 FT
237 AM CDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 63 78 60 76
TEMP 60 58 70 77 79 79 72 68 65 64 70 74 76 76 69 66 63 61 67 73 74 74
DEWPT 57 57 65 66 68 71 68 67 65 64 70 72 73 72 69 66 63 61 67 68 69 69
RH 90 96 84 69 69 77 87 97100100100 93 90 87100100100100100 84 84 84
WIND DIR W N SW SW SW S SE S S SE SW S SW N E NE NE NE E SE S SE
WIND SPD 1 0 2 6 9 6 6 4 3 3 3 4 4 3 2 2 2 2 3 3 2 3
CLOUDS SC SC SC SC FW SC B1 SC SC B1 B1 SC B1 B1 B1 B2 B2 B2 B1 B1 SC SC
POP 12HR 10 60 70 5 20
QPF 12HR 0 0.17 0.30 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C L S C S S C
TSTMS S C C C C S C S C
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 57 77 60 81 60 78 59 76
TEMP 63 58 73 75 65 61 79 79 66 61 76 76 64 60 74 74
DEWPT 63 58 69 71 65 61 74 74 66 61 69 70 64 60 70 71
PWIND DIR SE S S SW S N E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC FW FW FW SC FW FW FW SC FW FW SC B1 B1
POP 12HR 40 20 20 20 10 5 10 10
RAIN SHWRS C C S S S S
TSTMS C C S S S
IAZ014-172100-
SPENCER-CLAY IA
43.15N 95.18W ELEV. 1325 FT
237 AM CDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 57 76
TEMP 59 58 72 77 79 77 68 66 63 62 69 74 76 73 65 62 59 58 66 73 75 72
DEWPT 54 53 62 62 63 67 65 64 63 62 68 69 70 69 65 62 59 58 64 64 64 65
RH 83 83 71 60 58 71 90 93100100 97 84 82 87100100100100 93 73 69 79
WIND DIR W W SW SW SW SW SW SW SW SW W N N N NE N N NE E E SE NE
WIND SPD 2 2 3 6 9 8 8 6 4 3 4 4 5 4 3 3 3 2 3 3 3 3
CLOUDS SC SC FW FW FW SC B1 SC SC B2 B2 SC SC B1 B1 B1 B2 B1 SC SC SC SC
POP 12HR 0 40 70 10 20
QPF 12HR 0 0.19 0.11 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S L L C C S S C
TSTMS C S S S S S C S C
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 54 77 58 80 58 78 56 76
TEMP 59 55 74 74 62 59 77 76 64 58 75 74 61 57 73 72
DEWPT 59 55 65 67 62 59 70 71 62 58 65 65 58 57 65 67
PWIND DIR SE S S SW W N NE SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC FW FW FW SC FW FW FW SC FW FW FW B1 SC
POP 12HR 30 20 20 20 10 5 10 20
RAIN SHWRS C S S S S S S S S
TSTMS C S S
IAZ022-172100-
STORM LAKE-BUENA VISTA
42.60N 95.23W ELEV. 1427 FT
237 AM CDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 63 77 59 75
TEMP 58 57 70 76 77 76 68 67 65 63 69 73 74 73 67 64 62 60 66 72 74 72
DEWPT 58 56 64 64 66 68 67 66 65 63 69 71 72 71 67 64 62 60 66 67 67 68
RH 100 96 81 66 69 76 97 97100100100 93 93 93100100100100100 84 79 87
WIND DIR W W W SW SW SW S SW W SW W SW W NW NE NE NE NE E E SE SE
WIND SPD 2 2 3 5 6 4 6 6 5 4 4 4 4 3 2 3 3 2 3 2 2 2
CLOUDS FW SC FW CL FW SC B1 B1 FW B1 B2 SC SC B1 B1 B1 B2 B2 B1 SC SC SC
POP 12HR 0 40 70 10 10
QPF 12HR 0 0.07 0.21 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C L L C L
TSTMS S S S C C S C
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 57 77 60 80 60 78 58 76
TEMP 61 58 74 74 63 61 77 76 65 61 75 74 62 59 73 72
DEWPT 61 58 67 69 63 61 72 73 65 60 67 68 61 59 67 69
PWIND DIR SE S S SW W N NE SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC FW FW FW SC FW FW FW SC FW FW SC B1 SC
POP 12HR 20 20 20 20 20 5 10 10
RAIN SHWRS S S S S S S S
TSTMS S S S S
MNZ072-172100-
MARSHALL-LYON MN
44.47N 95.82W ELEV. 1151 FT
237 AM CDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 82 62 77 56 77
TEMP 59 58 73 79 81 79 70 66 64 62 68 73 75 74 65 61 58 56 66 74 76 75
DEWPT 53 52 57 57 61 65 66 64 63 62 64 64 64 63 63 61 58 56 60 59 59 59
RH 80 80 57 47 51 62 87 93 97100 87 73 69 69 93100100100 81 59 56 58
WIND DIR SW SW SW SW SW SW SW SW W W N N N N NE W S SW SE S W SE
WIND SPD 4 4 6 10 11 9 8 6 5 4 4 5 6 5 3 2 2 1 2 3 4 4
CLOUDS FW FW FW FW SC SC SC SC SC B2 B1 B2 B2 B1 SC SC SC B1 SC FW SC SC
POP 12HR 30 40 60 5 20
QPF 12HR 0.25 0.03 0.11 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S C C C C S S
TSTMS C C S S S S C S
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 57 81 62 82 60 79 58 79
TEMP 61 58 78 78 66 63 80 79 64 60 76 77 62 59 76 77
DEWPT 59 58 61 63 65 63 65 63 60 57 58 58 58 57 60 62
PWIND DIR S SW SW W NW N NW S
WIND CHAR LT LT GN GN LT LT LT LT
AVG CLOUDS SC SC FW FW FW FW SC FW FW FW SC FW FW SC B1 SC
POP 12HR 10 10 20 10 10 0 5 10
RAIN SHWRS S S
MNZ081-172100-
WINDOM-COTTONWOOD MN
43.87N 95.12W ELEV. 1355 FT
237 AM CDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 76 56 75
TEMP 58 56 73 77 79 78 69 66 63 62 69 73 74 73 65 61 58 56 66 72 75 73
DEWPT 53 53 58 56 59 63 65 65 63 62 65 64 65 64 64 61 58 56 60 58 58 60
RH 83 90 59 48 50 60 87 97100100 87 73 74 73 97100100100 81 61 55 64
WIND DIR W W SW SW SW SW W W W W N NE N N N N N N E SE SE S
WIND SPD 3 2 4 6 10 9 9 6 4 3 3 4 4 4 2 1 1 1 2 2 3 2
CLOUDS FW FW CL FW FW SC SC FW B1 B2 B2 SC B1 B1 SC SC SC B1 FW SC SC B1
POP 12HR 20 50 60 5 20
QPF 12HR 0.10 0.05 0.22 0 0.02
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C S S C
TSTMS C C S S S S S
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 55 77 60 80 58 77 56 76
TEMP 60 56 74 75 64 61 78 77 64 59 74 75 62 58 73 73
DEWPT 59 56 60 63 63 61 65 65 61 58 59 59 58 57 60 62
PWIND DIR S S SW W W N NW SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC FW FW FW FW SC FW FW FW SC FW FW FW B1 SC
POP 12HR 30 10 20 20 20 5 10 20
RAIN SHWRS C S S S S S S
TSTMS S S S
MNZ089-172100-
WORTHINGTON-NOBLES MN
43.65N 95.58W ELEV. 1584 FT
237 AM CDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 76 56 75
TEMP 59 57 71 76 78 76 68 65 63 62 68 72 74 73 64 61 58 56 66 71 74 72
DEWPT 54 53 59 59 62 65 66 65 63 62 66 66 66 65 64 61 58 56 61 61 61 62
RH 83 86 66 56 58 69 93100100100 93 81 76 76100100100100 84 71 64 71
WIND DIR W W SW SW SW SW SW SW W W N NE N NE NE NE NE NE E SE S S
WIND SPD 3 3 5 8 11 10 9 6 5 4 4 3 5 4 3 2 2 2 3 2 3 3
CLOUDS SC FW FW FW FW SC SC FW B1 B1 B1 SC B1 B1 B1 SC B1 B1 SC SC SC SC
POP 12HR 20 50 60 10 30
QPF 12HR 0.05 0.19 0.13 0 0.08
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C L C S S C C C
TSTMS C S S S S S S S S C
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 55 77 59 80 59 77 57 75
TEMP 60 56 73 75 64 60 77 76 64 59 74 74 61 58 72 73
DEWPT 60 56 63 65 63 60 67 67 62 57 60 61 58 57 62 64
PWIND DIR S S SW SW W N NE SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW FW SC FW FW FW FW FW FW SC B1 B1
POP 12HR 30 10 20 20 10 5 10 20
RAIN SHWRS C S S S S S
TSTMS C S S
SDZ040-172100-
BROOKINGS-BROOKINGS SD
44.30N 96.80W ELEV. 1617 FT
237 AM CDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 77 53 77
TEMP 57 56 72 78 80 79 69 64 61 60 68 73 75 74 64 59 56 54 66 73 75 73
DEWPT 54 52 60 62 65 66 65 63 61 60 64 65 64 64 63 59 56 54 61 60 61 61
RH 90 86 66 58 60 64 87 97100100 87 76 69 71 97100100100 84 64 62 66
WIND DIR S S SW SW SW W SW SW S NE NE NE NE NE NE E SE E SE S S S
WIND SPD 1 2 6 12 13 8 5 3 3 3 4 5 5 5 3 2 2 2 3 4 4 3
CLOUDS FW SC SC FW SC SC SC SC B2 OV B1 B1 B2 B1 SC B1 B1 B2 SC SC SC SC
POP 12HR 20 50 50 5 20
QPF 12HR 0.13 0.02 0.08 0 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C C C S C S S
TSTMS S S S S C S S C S S
HEAT INDEX 82
MAX HEAT 83
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 54 79 59 81 56 79 56 78
TEMP 59 55 76 77 64 59 78 78 63 57 76 76 61 57 74 76
DEWPT 59 55 63 65 64 59 66 64 60 55 59 59 57 55 62 63
PWIND DIR S S SW W N N E SE
WIND CHAR LT GN LT GN LT LT LT GN
AVG CLOUDS SC SC SC FW FW FW SC FW CL FW SC FW FW SC B1 SC
POP 12HR 20 10 20 10 5 5 10 20
RAIN SHWRS S S S
TSTMS S S
SDZ050-172100-
BURKE-GREGORY SD
43.18N 99.29W ELEV. 2142 FT
237 AM CDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 85 62 78 60 74
TEMP 64 62 71 80 84 81 71 67 64 63 68 74 77 76 68 65 62 61 65 71 73 71
DEWPT 60 61 66 67 63 66 65 65 64 63 67 67 65 66 65 64 62 61 65 65 65 67
RH 87 97 84 65 49 60 81 93100100 97 79 67 71 90 97100100100 81 76 87
WIND DIR S S S SW W NW SW SW SW SW N N N N E W S S S S S S
WIND SPD 8 12 16 10 8 5 6 6 8 5 6 6 8 5 4 4 4 5 6 9 8 8
CLOUDS B1 SC FW FW FW SC SC SC B1 B2 B1 B2 B1 SC B2 B1 B1 B2 B1 B1 B1 SC
POP 12HR 10 50 20 20 60
QPF 12HR 0.01 0.09 0 0 0.30
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C C S S C C L L C
TSTMS S S C C S S S C C C
HEAT INDEX 83 83
MAX HEAT 84 86
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 58 80 62 82 61 79 61 79
TEMP 63 59 75 78 66 62 79 80 67 62 76 77 66 63 75 77
DEWPT 63 59 67 68 65 62 67 68 63 60 63 65 63 61 66 68
PWIND DIR S S S NW E E SE SE
WIND CHAR LT GN GN GN LT GN GN BZ
AVG CLOUDS B1 SC SC FW FW FW SC FW FW SC SC FW FW SC B2 B1
POP 12HR 50 5 10 5 10 5 20 20
RAIN SHWRS C S S S
TSTMS C S S S
SDZ057-172100-
CHAMBERLAIN-BRULE SD
43.77N 99.32W ELEV. 1565 FT
237 AM CDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 85 61 79 59 76
TEMP 65 64 72 80 84 83 72 68 65 62 69 75 78 77 69 65 62 60 66 72 75 73
DEWPT 63 63 67 68 66 66 66 67 65 62 67 67 66 66 66 65 62 60 66 66 66 66
RH 93 97 84 67 55 57 81 97100100 93 76 67 69 90100100100100 81 74 79
WIND DIR S S S SW W N E S SE SE E N NW NE E SE SE SE S S S E
WIND SPD 6 9 10 8 6 4 4 4 5 4 5 5 6 5 4 4 3 4 5 8 8 8
CLOUDS SC SC FW FW SC FW SC SC SC B2 B1 B2 B1 B1 B2 B1 B1 B2 B1 SC SC SC
POP 12HR 10 50 20 10 60
QPF 12HR 0 0.04 0.01 0 0.16
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C S C C L L C
TSTMS S C C S S S S C C
HEAT INDEX 83 86 85
MAX HEAT 84 87 82
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 57 82 61 84 60 80 61 80
TEMP 64 59 76 80 67 63 80 81 67 61 77 78 66 63 76 78
DEWPT 64 59 68 68 67 62 68 67 64 60 63 64 63 62 67 68
PWIND DIR S S S N NE E E SE
WIND CHAR LT LT LT LT LT GN GN BZ
AVG CLOUDS SC SC SC FW FW FW SC FW FW SC SC FW FW B1 B2 B1
POP 12HR 40 0 10 5 5 5 20 20
RAIN SHWRS C S S
TSTMS C S S
SDZ038-172100-
HURON-BEADLE SD
44.38N 98.22W ELEV. 1282 FT
237 AM CDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 84 61 79 58 77
TEMP 62 62 71 79 83 82 70 66 64 62 69 76 77 76 67 63 60 58 67 74 75 74
DEWPT 58 59 64 66 66 66 65 65 64 62 65 65 65 65 64 63 60 58 63 64 64 66
RH 87 90 79 64 57 58 84 97100100 87 69 67 69 90100100100 87 71 69 76
WIND DIR S S S SW W NW SE SW E N NE N NE N NE E SE SE SE S S SE
WIND SPD 4 6 9 11 8 5 4 3 4 4 5 5 5 5 4 3 3 3 4 6 5 4
CLOUDS FW SC FW FW SC SC FW SC B2 OV B1 B2 SC B1 SC B1 B1 B1 B1 SC B1 SC
POP 12HR 10 30 30 5 50
QPF 12HR 0 0.03 0.04 0 0.14
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S S C C C S
TSTMS S C S S S C S
HEAT INDEX 85 84
MAX HEAT 82 86
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 58 81 61 83 59 80 60 79
TEMP 63 59 76 79 66 61 79 80 65 59 77 78 64 61 76 77
DEWPT 63 59 67 69 66 61 67 67 61 57 61 64 60 58 64 68
PWIND DIR SE S S NW N N E SE
WIND CHAR LT GN LT LT LT LT LT GN
AVG CLOUDS SC SC SC FW FW FW SC FW FW FW SC FW FW SC B1 B1
POP 12HR 20 5 10 5 5 5 10 10
RAIN SHWRS S S
TSTMS S
SDZ059-172100-
MITCHELL-DAVISON SD
43.76N 98.02W ELEV. 1312 FT
237 AM CDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 85 62 80 58 78
TEMP 63 62 73 80 84 82 71 66 64 63 70 74 78 77 68 64 61 59 67 73 76 74
DEWPT 59 59 65 67 69 70 68 66 64 63 67 68 68 68 67 64 61 59 65 66 66 67
RH 87 90 76 65 61 67 90100100100 90 82 71 74 97100100100 93 79 71 79
WIND DIR S S S SW SW W SE S S SE NE NE NE N N E SE SE S S SW SE
WIND SPD 4 5 10 13 9 5 4 4 4 4 4 6 6 6 4 3 3 3 5 6 6 6
CLOUDS SC B1 FW FW FW SC SC SC SC B1 SC B1 B1 SC B1 B1 B1 B2 B1 SC SC B1
POP 12HR 10 50 30 5 50
QPF 12HR 0 0.04 0.10 0 0.07
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C S S S C C C
TSTMS S C C S C C
HEAT INDEX 88 86
MAX HEAT 83 89 83
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 57 81 61 84 59 81 60 80
TEMP 63 58 75 79 66 61 79 81 65 60 77 78 64 61 75 78
DEWPT 63 58 68 71 66 61 71 71 64 59 64 67 63 60 66 69
PWIND DIR S S S W N NE E SE
WIND CHAR LT GN LT LT LT LT LT GN
AVG CLOUDS SC B1 SC FW FW FW SC FW FW FW SC FW FW SC B1 B1
POP 12HR 40 5 20 5 5 5 20 10
RAIN SHWRS C S S S
TSTMS C S S
SDZ062-172100-
SIOUX FALLS-MINNEHAHA SD
43.57N 96.73W ELEV. 1424 FT
237 AM CDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 82 62 79 58 77
TEMP 60 59 73 78 81 80 71 67 64 63 70 75 78 76 67 63 60 58 68 74 76 74
DEWPT 55 55 61 62 67 68 68 66 64 63 67 68 68 67 65 63 60 58 64 63 64 65
RH 84 87 66 58 63 67 90 97100100 90 79 71 74 93100100100 87 69 66 74
WIND DIR W SW S SW SW SW SW SW SW E NE NE NE NE NE NE E E SE S S SE
WIND SPD 0 1 5 11 12 9 4 3 2 2 3 4 5 5 3 2 2 2 3 4 4 4
CLOUDS SC FW FW SC FW FW B1 SC SC B2 B1 SC B1 SC B1 B1 B1 B2 SC B1 SC B1
POP 12HR 5 40 50 10 40
QPF 12HR 0 0.04 0.06 0 0.12
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C C S C C C
TSTMS C C C S S S S C C
HEAT INDEX 84 83
MAX HEAT 86
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 57 79 61 82 60 80 59 78
TEMP 62 58 75 77 65 61 79 79 65 60 77 78 64 60 75 76
DEWPT 62 58 66 68 65 61 69 69 63 58 62 63 59 58 64 66
PWIND DIR S S S SW N N E SE
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS B1 B1 SC FW FW FW SC FW FW FW SC FW FW SC B1 B1
POP 12HR 40 10 20 10 10 5 10 10
RAIN SHWRS C C S S S
TSTMS C C S
SDZ070-172100-
VERMILLION-CLAY SD
42.95N 96.92W ELEV. 1132 FT
237 AM CDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 63 78 59 75
TEMP 61 60 72 77 81 79 71 68 65 64 70 75 77 76 69 66 63 60 68 72 75 73
DEWPT 59 58 66 67 70 72 70 68 65 64 70 73 73 73 69 66 63 60 68 69 69 70
RH 93 93 81 71 69 79 97100100100100 94 87 90100100100100100 90 82 90
WIND DIR W S SW SW SW S S S SW S S SE NW N NE E E E SE SE S S
WIND SPD 1 2 4 10 11 8 8 4 4 4 4 4 5 4 3 3 3 2 4 4 3 4
CLOUDS SC SC SC B1 FW SC SC FW B1 B2 B1 SC B1 SC B1 B2 B2 B2 B1 B1 SC SC
POP 12HR 20 50 50 5 30
QPF 12HR 0.01 0.28 0.07 0 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S C C C S S C C C
TSTMS C C S C C S S S S C
HEAT INDEX 84 81
MAX HEAT 87
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 58 77 61 82 60 78 59 76
TEMP 64 59 74 75 66 62 79 79 67 61 76 76 64 61 74 74
DEWPT 64 59 70 73 66 62 74 75 67 61 69 71 64 61 70 72
PWIND DIR SE S S SW W N E SE
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS B1 B1 SC FW FW FW SC FW FW FW SC FW FW SC B2 B1
POP 12HR 50 10 20 5 5 5 10 10
RAIN SHWRS C C S S
TSTMS C C S
SDZ069-172100-
YANKTON-YANKTON SD
42.95N 97.39W ELEV. 1207 FT
237 AM CDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 83 63 79 60 75
TEMP 63 61 71 78 82 80 71 68 65 64 70 74 77 76 69 66 63 61 67 72 75 73
DEWPT 59 59 66 68 71 72 70 68 65 64 70 72 72 73 69 66 63 61 67 69 69 70
RH 87 93 84 71 69 77 97100100100100 93 85 90100100100100100 90 82 90
WIND DIR SW S S S S S S S SW SE E SE W N N E E E SE SE S S
WIND SPD 2 3 5 12 11 8 6 5 4 4 4 5 5 4 4 3 3 3 4 5 4 4
CLOUDS SC B1 SC SC FW SC SC SC B1 B2 SC FW B2 SC B1 B1 B1 B2 B2 B1 SC B1
POP 12HR 40 50 50 10 40
QPF 12HR 0.07 0.20 0.03 0 0.06
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C S S C C C S C C C
TSTMS S C S S C C S S S C
HEAT INDEX 86 84
MAX HEAT 88
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 58 78 61 83 61 79 60 77
TEMP 64 59 74 77 66 62 78 79 66 61 76 77 65 61 74 75
DEWPT 64 59 70 73 66 62 74 75 66 61 68 70 64 61 70 72
PWIND DIR S S S SW N NE E SE
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS B1 B1 SC FW FW FW SC FW FW FW SC FW FW SC B1 B1
POP 12HR 50 10 20 5 5 5 10 10
RAIN SHWRS C C S
TSTMS C C
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