629
FOUS53 KFSD 180737
PFMFSD
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SIOUX FALLS SD
237 AM CDT SUN OCT 18 2026
IAZ012-182100-
SIOUX CENTER-SIOUX IA
43.08N 96.18W ELEV. 1446 FT
237 AM CDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 65 42 63 43 67
TEMP 44 43 48 59 63 57 50 47 44 43 49 58 61 56 49 47 45 44 52 63 66 61
DEWPT 36 37 41 43 44 41 42 43 42 43 45 47 47 45 46 46 45 44 47 48 50 47
RH 73 79 77 55 50 55 74 86 93100 86 67 60 66 89 96100100 83 58 56 60
WIND DIR S S S S S S S S S SE SE SE SE SE SE SE SE SE S S S S
WIND SPD 16 16 14 14 14 6 6 5 4 3 4 6 8 3 4 5 5 5 8 11 12 6
CLOUDS CL CL CL CL CL FW FW FW SC B1 SC SC FW FW FW FW FW FW FW CL CL FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 50 71 50 76 55 77 58 74
TEMP 54 50 67 66 54 52 71 69 60 56 73 70 63 58 69 67
DEWPT 49 50 55 54 53 51 56 55 55 54 56 54 54 53 53 52
PWIND DIR S S SE SE SE S S SW
WIND CHAR LT LT LT LT GN BZ BZ BZ
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW B1 SC B1 B2 B2 B1
POP 12HR 0 5 0 0 0 5 20 30
RAIN SHWRS S C C
IAZ031-182100-
SIOUX CITY-WOODBURY IA
42.40N 96.38W ELEV. 1210 FT
237 AM CDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 66 40 63 41 68
TEMP 44 41 48 60 65 59 51 47 43 40 49 58 61 57 50 47 44 42 52 63 67 63
DEWPT 35 36 41 42 42 39 40 41 41 40 45 45 45 43 44 44 44 42 46 47 48 45
RH 70 82 77 51 43 47 66 79 93100 86 62 56 59 80 89100100 80 56 50 52
WIND DIR S S S S S S S SE SE SE SE SE SE SE SE SE SE SE S S S SE
WIND SPD 14 13 13 14 14 8 6 6 5 4 5 8 9 4 4 5 5 5 8 11 12 8
WIND GUST 26 26 25 25 25
CLOUDS CL CL CL CL CL CL CL FW SC B1 B1 SC SC FW FW FW FW FW FW CL FW FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
WIND CHILL 33
MIN CHILL 32 33
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 49 73 49 78 55 79 58 76
TEMP 54 49 68 68 56 51 73 72 61 56 75 73 64 59 71 70
DEWPT 48 48 53 53 53 50 55 54 54 53 55 53 53 52 52 51
PWIND DIR S S SE SE SE S S SW
WIND CHAR LT LT LT LT LT BZ BZ GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC B1 SC B1 B2 B2 B1
POP 12HR 0 0 0 0 0 5 20 30
RAIN SHWRS S C C
IAZ014-182100-
SPENCER-CLAY IA
43.15N 95.18W ELEV. 1325 FT
237 AM CDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 64 39 62 41 66
TEMP 42 41 48 58 63 57 48 45 41 40 49 58 61 55 48 45 43 42 51 63 66 60
DEWPT 35 35 40 41 42 39 41 41 41 40 45 46 45 43 44 45 43 42 46 46 47 45
RH 76 79 74 53 46 51 77 86100100 86 64 56 64 86100100100 83 54 50 58
WIND DIR S S S S S S S S S SE S S S SE SE SE SE SE S S S S
WIND SPD 17 16 16 16 14 8 5 5 3 2 4 6 8 4 4 4 4 4 6 11 11 6
WIND GUST 27 26 26 27
CLOUDS CL CL CL CL CL CL FW FW SC SC SC FW SC FW FW FW FW FW FW CL CL FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
WIND CHILL 34 33
MIN CHILL 32 34
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 48 72 49 77 53 79 56 76
TEMP 52 48 68 66 55 50 73 69 58 54 74 70 61 57 71 69
DEWPT 47 48 52 52 51 50 54 53 52 51 53 52 52 50 52 50
PWIND DIR S S S SE SE S S SW
WIND CHAR LT LT LT LT LT BZ BZ BZ
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC SC SC B1 B2 B2 B1
POP 12HR 0 5 0 0 0 0 10 30
RAIN SHWRS C C
IAZ022-182100-
STORM LAKE-BUENA VISTA
42.60N 95.23W ELEV. 1427 FT
237 AM CDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 63 43 62 43 66
TEMP 44 42 49 58 62 56 49 46 45 43 50 58 61 56 49 47 45 44 52 63 66 60
DEWPT 34 36 40 41 41 38 40 41 42 42 46 45 45 43 44 44 43 43 46 46 46 45
RH 68 79 71 53 46 51 71 83 89 96 86 62 56 62 83 89 93 96 80 54 48 58
WIND DIR S S S S S S S S S S S S S SE SE S SE SE SE S S SE
WIND SPD 14 14 13 14 13 6 6 5 5 3 4 5 6 3 4 4 4 4 5 9 9 4
WIND GUST 25 25 24 25
CLOUDS CL CL CL CL CL CL FW FW SC SC B1 SC SC SC FW FW FW FW FW CL CL FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 50 71 51 76 55 78 58 75
TEMP 53 50 68 66 56 52 72 69 59 55 73 70 62 58 70 69
DEWPT 47 48 52 52 51 50 54 53 53 52 53 52 52 51 52 51
PWIND DIR S S S SE SE S S SW
WIND CHAR LT LT LT LT LT GN GN GN
AVG CLOUDS FW SC FW FW FW FW FW FW FW FW SC SC B1 B2 B1 B1
POP 12HR 0 5 0 0 0 5 10 30
RAIN SHWRS S C
MNZ072-182100-
MARSHALL-LYON MN
44.47N 95.82W ELEV. 1151 FT
237 AM CDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 68 41 65 43 68
TEMP 49 48 52 62 65 58 49 46 43 41 48 60 63 56 48 45 44 45 52 65 68 62
DEWPT 35 35 37 38 40 39 41 41 41 40 42 42 43 41 44 43 43 43 45 45 46 45
RH 58 60 56 41 40 49 74 83 93 96 80 51 48 57 86 93 96 93 77 48 45 54
WIND DIR SW SW SW SW SW S SW SW W W NE E SE SE SE S S S S S S S
WIND SPD 20 19 14 11 9 4 5 4 3 2 2 5 8 5 4 4 4 5 9 12 13 9
WIND GUST 34 31 26
CLOUDS FW SC SC SC FW FW FW FW FW FW FW CL FW CL FW FW SC SC FW CL CL FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 51 72 50 78 56 79 59 74
TEMP 54 51 69 68 55 51 73 71 60 57 75 73 64 60 70 67
DEWPT 46 48 51 51 50 49 52 52 52 52 53 52 52 51 50 49
PWIND DIR S S S S SE S S SW
WIND CHAR GN LT LT LT GN BZ BZ BZ
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW B1 B1 B1 B2 B2 B1
POP 12HR 0 0 0 0 5 10 30 30
RAIN SHWRS C C C
MNZ081-182100-
WINDOM-COTTONWOOD MN
43.87N 95.12W ELEV. 1355 FT
237 AM CDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 67 40 64 41 66
TEMP 45 44 50 60 63 57 48 46 42 41 48 59 62 56 48 45 43 42 51 63 66 60
DEWPT 32 34 36 37 38 37 39 39 39 39 42 42 41 40 42 42 41 42 43 43 43 42
RH 60 68 58 42 39 47 71 76 89 92 80 53 46 55 80 89 93100 74 48 43 51
WIND DIR SW SW SW SW S S S S SW S S SE SE SE SE S S S S S S S
WIND SPD 23 21 19 17 13 6 5 4 4 2 2 5 8 4 4 3 4 4 8 11 12 8
WIND GUST 33 32
CLOUDS CL FW FW FW CL CL FW FW FW SC SC FW FW FW FW FW FW FW FW CL CL CL
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 49 72 49 76 54 77 56 74
TEMP 52 49 68 66 54 50 72 69 58 54 73 70 62 57 70 68
DEWPT 45 46 50 50 49 48 51 50 50 50 51 49 50 49 49 47
PWIND DIR S S S SE SE S S SW
WIND CHAR LT LT LT LT GN BZ BZ BZ
AVG CLOUDS CL FW FW FW SC FW SC FW FW FW SC B1 B1 B1 B2 B1
POP 12HR 0 5 0 0 0 5 10 20
RAIN SHWRS S S
MNZ089-182100-
WORTHINGTON-NOBLES MN
43.65N 95.58W ELEV. 1584 FT
237 AM CDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 65 41 63 42 66
TEMP 45 43 48 58 63 56 48 45 43 41 48 58 61 55 48 45 44 43 50 63 66 60
DEWPT 34 34 37 39 39 38 39 39 39 39 42 43 43 41 42 43 42 42 44 45 45 44
RH 65 70 65 49 41 51 71 79 86 92 80 57 51 59 80 93 93 96 80 52 47 55
WIND DIR SW S SW SW S S S S S S S SE SE SE SE S S S S S S S
WIND SPD 21 19 18 17 13 6 5 5 4 2 3 5 8 4 4 4 5 5 8 11 12 8
WIND GUST 29
CLOUDS CL CL CL CL CL CL CL FW SC SC B1 FW FW FW FW FW SC SC FW CL CL CL
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 49 71 50 76 54 77 57 74
TEMP 52 49 67 66 55 50 71 68 58 55 73 70 62 57 69 67
DEWPT 45 47 51 51 50 49 53 51 51 51 52 51 50 50 50 49
PWIND DIR S S S SE SE S S SW
WIND CHAR GN LT LT LT GN BZ BZ BZ
AVG CLOUDS CL FW FW FW FW FW SC FW FW FW SC SC B1 B2 B2 B1
POP 12HR 0 5 0 0 0 5 10 30
RAIN SHWRS C C
SDZ040-182100-
BROOKINGS-BROOKINGS SD
44.30N 96.80W ELEV. 1617 FT
237 AM CDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 64 39 61 42 65
TEMP 46 45 50 60 63 56 47 43 41 41 48 59 61 55 47 45 44 43 50 62 65 60
DEWPT 36 36 39 41 42 41 41 41 40 39 43 45 44 44 44 44 44 43 46 48 49 48
RH 68 70 66 49 46 57 79 93 96 92 83 60 53 66 89 96100100 86 60 56 64
WIND DIR S S S S S SE E E E E E E SE SE SE SE SE SE S S S S
WIND SPD 17 16 13 10 6 3 3 2 3 3 5 9 9 5 5 5 6 8 11 14 16 10
WIND GUST 28 27 25 20
CLOUDS FW B1 FW CL CL CL FW FW FW FW FW CL CL FW FW FW FW SC FW CL CL CL
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 48 70 48 75 55 77 56 71
TEMP 52 48 67 65 53 49 72 69 58 55 73 70 62 57 68 65
DEWPT 47 47 53 53 50 49 54 54 53 53 55 55 53 51 52 49
PWIND DIR S S E SE SE S S SW
WIND CHAR GN LT LT LT GN BZ BZ BZ
AVG CLOUDS CL FW FW FW FW FW FW FW FW SC B1 B1 B1 B2 B2 B1
POP 12HR 0 0 0 0 5 10 20 30
RAIN SHWRS S C C
SDZ050-182100-
BURKE-GREGORY SD
43.18N 99.29W ELEV. 2142 FT
237 AM CDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 69 39 62 40 67
TEMP 53 49 53 64 68 60 50 46 42 40 46 58 61 55 48 46 43 41 50 63 67 62
DEWPT 32 32 36 40 41 42 42 41 40 40 43 43 43 44 45 45 43 41 47 49 50 50
RH 44 52 52 41 37 51 74 83 93100 89 57 51 66 89 96100100 89 60 54 65
WIND DIR SW SW SW SW NE N NE N N NE NE E E E SE S S S S S S SE
WIND SPD 23 19 14 6 4 5 5 4 5 5 5 8 9 6 9 8 8 10 12 17 17 11
WIND GUST 34 32
CLOUDS CL CL CL CL CL FW SC SC FW FW FW FW FW FW FW FW FW FW FW CL CL CL
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 48 71 47 78 57 79 54 70
TEMP 54 49 68 68 54 49 72 72 63 58 74 72 64 55 66 63
DEWPT 50 49 52 52 51 49 55 56 56 55 57 56 54 51 49 46
PWIND DIR S W E SE SE S S NW
WIND CHAR GN GN LT GN BZ WY WY BZ
AVG CLOUDS FW FW FW CL CL FW SC FW SC B1 B2 B1 B1 B1 B1 B1
POP 12HR 0 0 0 0 10 20 50 40
RAIN SHWRS S C C C C
SDZ057-182100-
CHAMBERLAIN-BRULE SD
43.77N 99.32W ELEV. 1565 FT
237 AM CDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 68 40 62 40 69
TEMP 51 47 53 63 67 60 51 46 43 41 47 59 62 56 48 46 44 41 50 64 69 63
DEWPT 33 34 39 41 42 43 42 41 40 39 43 44 44 45 46 46 44 41 49 49 51 51
RH 50 60 59 44 40 53 71 83 89 92 86 57 52 66 93100100100 96 58 53 65
WIND DIR S S SW N NE NE NE NE NE NE E E E E SE SE SE SE S S S SE
WIND SPD 11 8 5 3 6 9 9 8 9 8 8 9 10 8 9 8 8 8 11 14 16 11
WIND GUST 26
CLOUDS FW CL CL CL CL CL SC FW FW FW FW FW CL FW FW FW FW FW FW CL CL CL
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 47 71 46 79 57 80 54 70
TEMP 53 48 67 68 53 49 72 72 63 58 75 73 64 55 65 63
DEWPT 50 48 53 53 50 49 55 56 56 56 58 57 54 51 49 46
PWIND DIR S NW E SE SE S S NW
WIND CHAR GN LT LT GN BZ WY BZ BZ
AVG CLOUDS FW FW FW CL CL FW SC FW SC B1 B2 B1 B1 B1 B1 B1
POP 12HR 0 0 0 0 10 20 60 40
RAIN SHWRS S S C L C C
TSTMS S
SDZ038-182100-
HURON-BEADLE SD
44.38N 98.22W ELEV. 1282 FT
237 AM CDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 67 38 63 40 67
TEMP 49 45 52 62 66 59 49 45 41 39 49 60 63 57 49 46 44 41 50 63 67 62
DEWPT 36 36 39 40 40 42 42 41 40 38 42 44 43 45 46 46 44 41 47 48 49 50
RH 61 70 61 44 38 53 77 86 96 96 77 55 48 64 89100100100 89 58 52 65
WIND DIR S S S SE E NE NE NE NE NE E E SE SE SE SE SE SE SE S S SE
WIND SPD 13 11 9 5 5 4 5 5 5 5 5 8 10 6 8 6 8 10 12 14 16 11
CLOUDS SC SC FW CL CL CL FW FW FW SC CL CL CL FW FW FW FW FW FW CL CL CL
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 47 71 46 77 56 80 56 72
TEMP 53 47 67 67 53 48 71 71 61 57 75 72 63 56 68 65
DEWPT 50 47 53 53 51 48 55 56 55 55 57 57 54 52 50 47
PWIND DIR S SE E SE SE S S NW
WIND CHAR GN LT LT GN GN WY BZ BZ
AVG CLOUDS CL FW FW FW FW FW FW FW FW SC B1 SC B1 B1 B1 B1
POP 12HR 0 0 0 0 10 20 40 40
RAIN SHWRS S S C C C
TSTMS S
SDZ059-182100-
MITCHELL-DAVISON SD
43.76N 98.02W ELEV. 1312 FT
237 AM CDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 68 39 63 41 68
TEMP 49 46 53 64 67 60 49 45 43 40 48 59 62 57 49 47 44 42 51 64 68 63
DEWPT 35 35 38 40 41 42 42 42 41 40 43 45 44 45 46 46 44 42 47 49 50 50
RH 58 65 57 41 39 51 77 89 93100 83 60 52 64 89 96100100 86 58 52 62
WIND DIR S S S S S NE E E E E E E SE SE SE SE SE SE SE S S S
WIND SPD 14 14 12 10 8 5 5 4 4 5 5 9 11 8 9 8 9 10 12 14 17 11
WIND GUST 25 25 21
CLOUDS FW CL FW CL CL FW FW SC FW SC FW FW CL FW FW FW FW FW FW CL CL FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 48 72 47 78 57 80 57 73
TEMP 53 48 68 68 54 50 72 72 61 57 75 74 64 57 69 67
DEWPT 50 48 54 54 52 49 56 55 55 55 57 56 54 52 52 48
PWIND DIR S S E SE SE SE S W
WIND CHAR GN LT LT GN GN WY BZ BZ
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC B1 SC B1 B1 B1 B1
POP 12HR 0 0 0 0 20 20 40 40
RAIN SHWRS S S S C C C
TSTMS S S
SDZ062-182100-
SIOUX FALLS-MINNEHAHA SD
43.57N 96.73W ELEV. 1424 FT
237 AM CDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 66 40 63 43 67
TEMP 46 45 50 60 64 57 49 45 43 41 48 58 61 55 49 46 45 44 51 62 66 61
DEWPT 36 36 39 40 41 40 42 42 41 40 43 45 44 43 45 45 44 44 46 47 48 47
RH 68 70 66 47 43 53 77 89 93 96 83 62 53 64 86 96 96100 83 58 52 60
WIND DIR S S S S S S SE SE SE E E SE SE SE SE SE SE SE S S S S
WIND SPD 17 16 14 13 12 5 4 4 3 3 4 8 9 5 4 5 5 5 9 12 14 9
WIND GUST 24
CLOUDS FW CL CL FW CL FW FW FW SC SC SC FW FW FW FW FW FW FW FW CL CL FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 50 72 50 76 56 78 58 74
TEMP 54 50 67 66 55 51 72 69 60 57 74 71 64 58 69 67
DEWPT 48 49 54 53 52 50 55 54 54 53 55 54 53 52 52 50
PWIND DIR S S E SE SE S S SW
WIND CHAR GN LT LT LT GN BZ BZ BZ
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC B1 SC B1 B2 B2 B1
POP 12HR 0 5 0 0 5 10 20 30
RAIN SHWRS S C C
SDZ070-182100-
VERMILLION-CLAY SD
42.95N 96.92W ELEV. 1132 FT
237 AM CDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 68 41 64 42 68
TEMP 46 44 51 62 66 60 51 47 43 42 49 58 62 57 50 47 44 43 52 64 68 63
DEWPT 36 36 40 40 42 40 42 42 41 41 44 44 46 44 46 46 44 43 46 47 49 47
RH 68 73 66 44 42 47 71 83 93 96 83 59 56 62 86 96100100 80 54 51 56
WIND DIR S S S S S S SE SE SE SE SE SE SE SE SE SE SE SE SE S S SE
WIND SPD 13 13 12 14 14 8 8 6 5 4 6 9 10 5 5 6 6 6 10 13 14 9
WIND GUST 28 26 23 25 25
CLOUDS CL CL CL CL CL FW FW FW SC SC SC FW SC FW FW FW FW FW FW CL CL FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 49 73 50 78 56 80 59 76
TEMP 54 50 69 69 56 51 73 72 61 57 75 74 65 59 70 69
DEWPT 49 50 54 54 54 51 55 55 55 54 55 54 54 53 52 51
PWIND DIR S S SE SE SE SE S SW
WIND CHAR GN LT LT LT GN BZ BZ BZ
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC B1 SC B1 B1 B1 B1
POP 12HR 0 0 0 0 5 10 20 30
RAIN SHWRS S C C
SDZ069-182100-
YANKTON-YANKTON SD
42.95N 97.39W ELEV. 1207 FT
237 AM CDT SUN OCT 18 2026
DATE SUN 10/18/26 MON 10/19/26 TUE 10/20/26
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 67 41 62 42 67
TEMP 46 44 51 61 65 59 50 47 43 41 48 58 61 56 50 47 44 43 51 63 67 62
DEWPT 36 37 41 42 43 42 43 43 41 41 44 45 46 45 47 46 44 43 47 49 50 49
RH 68 76 68 49 45 53 77 86 93100 86 62 58 66 89 96100100 86 60 54 62
WIND DIR S S S S S S SE SE SE SE SE SE SE SE SE SE SE SE SE S S SE
WIND SPD 13 13 12 14 13 8 6 5 4 4 6 9 10 6 6 6 6 6 10 13 14 9
WIND GUST 25 24
CLOUDS CL CL CL CL CL FW FW FW SC SC SC FW FW FW FW FW FW FW FW CL CL FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE WED 10/21/26 THU 10/22/26 FRI 10/23/26 SAT 10/24/26
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 50 72 50 77 57 79 59 74
TEMP 54 50 68 68 56 51 72 71 62 58 74 73 65 59 70 68
DEWPT 50 50 55 55 53 51 56 56 55 55 57 56 54 53 53 51
PWIND DIR S S SE SE SE SE S SW
WIND CHAR GN LT LT LT GN BZ BZ BZ
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC B1 SC B1 B1 B2 B1
POP 12HR 0 0 0 0 10 10 30 40
RAIN SHWRS S C C C
TSTMS S S
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page