510
FOUS53 KFSD 111923
PFMFSD
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SIOUX FALLS SD
123 PM CST THU DEC 11 2025
IAZ012-112200-
SIOUX CENTER-SIOUX IA
43.08N 96.18W ELEV. 1446 FT
123 PM CST THU DEC 11 2025
DATE THU 12/11/25 FRI 12/12/25 SAT 12/13/25
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 26 13 20 1 4
TEMP 23 25 20 19 20 18 19 18 12 7 6 5 4 2 3 4 4 -1
DEWPT 22 23 20 18 19 18 17 15 10 5 3 1 1 1 1 2 0 -5
RH 96 92100 96 96100 92 88 91 91 87 83 87 95 91 91 83 83
WIND DIR SE E E N NW NW NW NW NW NW NW NW N N N N NW NW
WIND SPD 9 6 5 4 5 10 12 16 14 11 9 6 6 6 8 10 10 8
CLOUDS OV OV B2 OV OV B2 B1 B2 B2 B2 OV OV OV OV OV OV B1 SC
POP 12HR 80 30 5 60 70
QPF 12HR 0.09 0.01 0 0.03 0.10
SNOW 12HR 1 T 00-00
FLURRIES
SNOW L C S L L L L C C
WIND CHILL 13 17 12 13 12 6 6 3 -4 -8 -9 -7 -9-10-11-11-11-15
MIN CHILL 10 11 6 2 -8 -10 -11 -12 -16
WINTER WEATH Y
DATE SUN 12/14/25 MON 12/15/25 TUE 12/16/25 WED 12/17/25
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX -21 14 4 28 14 34 21 36
TEMP -13 -16 -2 11 8 17 26 23 17 21 31 32 29 23 33 33
DEWPT -15 -19 -5 3 8 15 26 22 17 20 30 31 29 23 32 31
PWIND DIR NW S S W SE S W SW
WIND CHAR LT GN BZ LT LT GN LT GN
AVG CLOUDS FW FW SC FW FW SC SC SC SC SC B1 B1 B1 SC B1 B1
POP 12HR 0 0 0 0 0 0 5 5
IAZ031-112200-
SIOUX CITY-WOODBURY IA
42.40N 96.38W ELEV. 1210 FT
123 PM CST THU DEC 11 2025
DATE THU 12/11/25 FRI 12/12/25 SAT 12/13/25
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 31 18 24 5 9
TEMP 29 29 26 24 24 23 23 22 19 14 11 10 8 6 7 8 9 4
DEWPT 24 25 23 22 22 21 19 16 13 8 5 3 3 5 5 4 3 -1
RH 81 85 88 92 92 92 84 77 77 76 76 73 79 96 91 83 76 79
WIND DIR SE E NE N NW NW NW NW NW NW NW N N N N N N NW
WIND SPD 9 5 5 5 6 10 12 14 14 11 9 6 5 5 6 10 10 8
CLOUDS OV B2 B2 B2 B2 B2 B1 B2 B2 B2 OV OV OV OV OV OV B1 SC
POP 12HR 50 5 5 60 80
QPF 12HR 0.01 0 0 0.05 0.13
SNOW 12HR 00-00 00-00 00-00
FLURRIES C
SNOW S L L D D C C
WIND CHILL 21 23 19 17 16 12 11 10 5 0 -2 -1 -2 -4 -5 -6 -6 -9
MIN CHILL 16 17 11 7 -1 -3 -7 -9 -11
DATE SUN 12/14/25 MON 12/15/25 TUE 12/16/25 WED 12/17/25
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX -15 16 8 33 15 38 23 40
TEMP -8 -10 3 14 11 19 31 27 18 21 35 35 30 25 37 37
DEWPT -10 -14 -2 5 10 15 27 23 18 20 30 30 28 25 32 31
PWIND DIR NW SE S W S S W SW
WIND CHAR LT GN GN LT LT GN LT GN
AVG CLOUDS FW FW SC FW FW SC SC SC SC SC B1 B1 B1 SC B1 B1
POP 12HR 0 0 0 0 0 0 0 5
IAZ014-112200-
SPENCER-CLAY IA
43.15N 95.18W ELEV. 1325 FT
123 PM CST THU DEC 11 2025
DATE THU 12/11/25 FRI 12/12/25 SAT 12/13/25
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 21 11 20 -2 3
TEMP 20 19 16 15 15 15 17 18 13 7 4 2 0 -1 0 1 3 -3
DEWPT 18 18 16 13 14 14 16 13 10 4 1 -2 -4 -4 -3 -2 -3 -8
RH 92 96100 92 96 96 96 80 87 87 87 83 83 87 87 87 75 78
WIND DIR E E E N NW NW NW NW NW NW NW NW NW N N N NW NW
WIND SPD 9 8 5 3 4 8 11 16 14 11 10 9 8 8 9 11 12 10
CLOUDS OV OV B2 B2 OV B2 B1 B2 B2 B2 OV OV OV OV OV OV B1 SC
POP 12HR 90 50 5 30 60
QPF 12HR 0.12 0.02 0 0 0.05
SNOW 12HR 2 T 00-00
FLURRIES
SNOW D C S C C L L S S
WIND CHILL 9 9 8 9 8 4 4 3 -3 -8-11-13-14-15-15-15-14-20
MIN CHILL 8 6 4 -1 -10 -14 -17 -17 -20
WINTER WEATH Y
DATE SUN 12/14/25 MON 12/15/25 TUE 12/16/25 WED 12/17/25
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX -21 11 -1 28 11 35 21 35
TEMP -15 -19 -4 8 3 15 26 21 13 18 31 32 30 23 32 32
DEWPT -17 -23 -7 -2 3 12 25 21 13 17 29 30 28 23 32 30
PWIND DIR NW SW S W SW S W SW
WIND CHAR LT GN BZ GN LT GN GN GN
AVG CLOUDS FW FW FW FW SC SC SC SC SC B1 SC B1 B2 B1 SC B1
POP 12HR 0 0 0 0 0 0 0 5
IAZ022-112200-
STORM LAKE-BUENA VISTA
42.60N 95.23W ELEV. 1427 FT
123 PM CST THU DEC 11 2025
DATE THU 12/11/25 FRI 12/12/25 SAT 12/13/25
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 24 14 21 2 5
TEMP 22 22 20 18 17 18 19 19 16 11 8 6 4 3 4 4 5 -1
DEWPT 21 20 19 17 17 17 19 17 14 8 5 3 2 1 2 2 1 -4
RH 96 92 96 96100 96100 92 92 87 87 87 91 91 91 91 83 87
WIND DIR E E E N NW NW NW NW NW NW NW NW N N N N N NW
WIND SPD 11 9 6 5 5 9 11 14 14 12 11 10 9 9 9 10 11 10
CLOUDS OV OV B2 B2 B2 B2 B1 B2 B2 B2 OV OV OV OV OV OV B2 SC
POP 12HR 80 30 5 40 80
QPF 12HR 0.11 0.01 0 0.02 0.11
SNOW 12HR 1 T 00-00
FLURRIES
SNOW L C S C C D D C C
WIND CHILL 10 12 10 10 9 7 7 5 1 -4 -7 -9-11-12-10-11-12-17
MIN CHILL 8 9 5 2 -5 -9 -13 -13 -19
WINTER WEATH Y
DATE SUN 12/14/25 MON 12/15/25 TUE 12/16/25 WED 12/17/25
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX -18 12 2 29 14 35 24 36
TEMP -11 -15 -2 9 6 17 27 23 16 20 31 33 31 25 33 32
DEWPT -13 -18 -5 1 6 14 25 22 16 19 29 31 30 25 32 31
PWIND DIR NW S S W S S W SW
WIND CHAR LT GN BZ GN LT GN GN GN
AVG CLOUDS FW FW FW FW FW SC SC SC SC SC SC B1 B2 B1 SC B1
POP 12HR 0 0 0 0 0 0 0 5
MNZ072-112200-
MARSHALL-LYON MN
44.47N 95.82W ELEV. 1151 FT
123 PM CST THU DEC 11 2025
DATE THU 12/11/25 FRI 12/12/25 SAT 12/13/25
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 22 8 18 -4 1
TEMP 19 19 17 16 17 15 14 11 6 3 0 0 -2 -3 -3 -1 0 -4
DEWPT 16 15 13 13 15 14 10 4 0 -3 -5 -6 -7 -8 -8 -8 -8-10
RH 88 84 84 88 92 96 84 73 76 75 79 75 79 78 78 71 68 75
WIND DIR SE E E NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 8 5 3 2 5 12 17 20 18 13 12 10 10 9 10 13 13 10
CLOUDS OV OV B2 OV B2 B2 B1 B2 B2 B2 OV B2 B2 OV B2 B2 SC FW
POP 12HR 60 30 5 20 20
QPF 12HR 0.04 0 0 0 0
SNOW 12HR 1 00-00 00-00
FLURRIES C
SNOW L C S S S S
OBVIS BS BS
WIND CHILL 9 11 11 9 1 -3 -7-13-15-18-16-19-20-20-20-19-21
MIN CHILL 8 7 -1 -8 -17 -19 -21 -22 -22
WINTER WEATH Y
DATE SUN 12/14/25 MON 12/15/25 TUE 12/16/25 WED 12/17/25
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX -18 17 5 30 14 38 24 37
TEMP -13 -15 1 13 9 20 29 21 19 26 36 36 34 25 34 33
DEWPT -15 -20 -5 0 9 17 25 19 18 22 30 31 30 25 30 28
PWIND DIR NW S SW W SW SW W SW
WIND CHAR GN GN BZ GN LT GN GN GN
AVG CLOUDS FW FW SC SC SC SC SC SC SC SC SC B1 B1 SC B1 B1
POP 12HR 0 0 0 5 0 0 5 10
MNZ081-112200-
WINDOM-COTTONWOOD MN
43.87N 95.12W ELEV. 1355 FT
123 PM CST THU DEC 11 2025
DATE THU 12/11/25 FRI 12/12/25 SAT 12/13/25
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 20 10 18 -4 1
TEMP 18 18 16 15 15 15 16 14 9 4 1 -1 -2 -4 -3 -1 0 -4
DEWPT 15 14 13 12 13 13 12 8 3 -1 -3 -6 -7 -8 -7 -7 -8-11
RH 88 84 88 88 92 92 84 76 76 79 83 79 79 82 82 75 68 71
WIND DIR E E E NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 8 5 3 2 4 9 13 18 17 13 12 10 10 9 10 12 13 10
CLOUDS OV OV B2 B2 OV B2 B1 B2 B2 B2 B2 B2 OV OV B2 B2 B1 FW
POP 12HR 70 50 5 20 40
QPF 12HR 0.09 0.01 0 0 0
SNOW 12HR 1 T 00-00
FLURRIES C
SNOW L C S S S C C
WIND CHILL 8 10 10 8 3 1 -4-10-14-17-17-19-20-20-19-19-21
MIN CHILL 7 9 1 -4 -14 -18 -21 -20 -22
WINTER WEATH Y
DATE SUN 12/14/25 MON 12/15/25 TUE 12/16/25 WED 12/17/25
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX -19 13 0 28 13 36 23 35
TEMP -13 -16 -2 9 4 17 27 22 16 21 33 34 32 24 32 32
DEWPT -16 -21 -8 -3 4 14 23 19 15 20 28 29 29 24 29 28
PWIND DIR NW SW S W SW SW W SW
WIND CHAR GN GN BZ GN LT GN GN GN
AVG CLOUDS FW FW FW SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1
POP 12HR 0 0 0 5 0 0 5 10
MNZ089-112200-
WORTHINGTON-NOBLES MN
43.65N 95.58W ELEV. 1584 FT
123 PM CST THU DEC 11 2025
DATE THU 12/11/25 FRI 12/12/25 SAT 12/13/25
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 21 11 19 -3 2
TEMP 19 19 16 15 16 15 16 14 10 4 2 1 -1 -2 -1 0 2 -4
DEWPT 17 17 14 13 14 14 14 10 5 0 -2 -4 -5 -6 -5 -4 -5 -9
RH 92 92 92 92 92 96 92 84 80 83 83 79 83 82 83 83 72 78
WIND DIR SE E E N NW NW NW NW NW NW NW NW NW N N N NW NW
WIND SPD 9 6 4 3 5 10 13 16 16 12 11 10 9 9 10 11 12 10
CLOUDS OV OV B2 OV OV B2 B2 B2 B2 B2 OV OV OV OV OV OV B1 FW
POP 12HR 80 50 5 30 50
QPF 12HR 0.12 0.01 0 0 0.04
SNOW 12HR 2 T 00-00
FLURRIES C
SNOW D C S S C C C C S S
WIND CHILL 8 10 9 9 7 2 2 -2 -7-13-15-15-16-18-17-17-16-21
MIN CHILL 7 7 2 -3 -14 -16 -19 -19 -22
WINTER WEATH Y
DATE SUN 12/14/25 MON 12/15/25 TUE 12/16/25 WED 12/17/25
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX -20 12 1 28 13 35 22 35
TEMP -14 -18 -3 9 5 16 26 21 16 21 31 32 31 24 32 31
DEWPT -17 -21 -7 -1 5 14 25 19 16 20 28 29 29 24 30 28
PWIND DIR NW S S W SW SW W SW
WIND CHAR LT GN BZ GN LT GN GN GN
AVG CLOUDS FW FW FW FW SC SC SC SC SC SC SC B2 B2 B1 B1 B1
POP 12HR 0 0 0 5 0 0 5 10
SDZ040-112200-
BROOKINGS-BROOKINGS SD
44.30N 96.80W ELEV. 1617 FT
123 PM CST THU DEC 11 2025
DATE THU 12/11/25 FRI 12/12/25 SAT 12/13/25
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 22 7 17 -4 1
TEMP 21 20 17 18 18 14 12 10 6 2 0 -1 -2 -2 -1 1 1 -5
DEWPT 18 18 16 15 15 13 8 3 -1 -3 -5 -6 -7 -7 -6 -5 -6-11
RH 88 92 96 88 88 96 84 73 72 79 79 79 79 79 79 75 72 74
WIND DIR SE E NE NW NW NW NW NW NW NW NW NW NW N N NW NW NW
WIND SPD 8 5 3 3 8 13 17 18 18 13 11 9 8 8 9 12 12 10
WIND GUST 27 29 28
CLOUDS OV OV OV OV OV B2 B1 B2 B2 OV OV OV OV OV OV B2 SC FW
POP 12HR 70 30 5 30 40
QPF 12HR 0.09 0 0 0 0.02
SNOW 12HR 1 00-00 00-00
FLURRIES C
SNOW L C S C C C C
OBVIS BS
WIND CHILL 11 12 12 13 7 -1 -5 -8-14-16-17-16-17-17-17-17-17-21
MIN CHILL 7 10 -1 -9 -16 -18 -18 -19 -22
WINTER WEATH Y
DATE SUN 12/14/25 MON 12/15/25 TUE 12/16/25 WED 12/17/25
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX -21 15 3 30 14 37 20 36
TEMP -15 -16 -2 12 7 17 28 22 17 22 34 34 30 22 32 32
DEWPT -18 -20 -6 2 7 15 26 20 17 20 29 29 27 22 29 28
PWIND DIR NW S S W S SW W SW
WIND CHAR LT GN BZ GN LT GN GN GN
AVG CLOUDS FW SC SC SC SC B1 SC SC SC SC B1 B1 B1 SC B1 B1
POP 12HR 0 0 0 0 0 0 5 10
SDZ050-112200-
BURKE-GREGORY SD
43.18N 99.29W ELEV. 2142 FT
123 PM CST THU DEC 11 2025
DATE THU 12/11/25 FRI 12/12/25 SAT 12/13/25
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 50 16 24 4 8
TEMP 42 35 31 31 28 22 19 18 16 14 13 11 8 5 5 6 8 4
DEWPT 32 31 29 28 25 19 13 9 7 6 7 7 7 4 3 3 3 0
RH 67 85 92 88 88 88 77 67 67 70 76 83 96 95 91 87 79 83
WIND DIR N N NW NW NW NW N NW N N N N NE NE NE N N N
WIND SPD 8 11 12 13 18 20 19 18 16 11 10 9 10 11 12 13 12 6
WIND GUST 28 31 29
CLOUDS B1 B2 B2 OV OV B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B1
POP 12HR 5 0 40 80 60
QPF 12HR 0 0 0 0.18 0.07
SNOW 12HR 00-00 00-00 00-00
FRZG RAIN
SNOW S S C C D D L L
SPRINKLES
WIND CHILL 27 22 20 16 7 4 3 1 0 0 -2 -6-12-12-11 -8 -8
MIN CHILL 26 19 6 1 -1 -3 -12 -12 -10
DATE SUN 12/14/25 MON 12/15/25 TUE 12/16/25 WED 12/17/25
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX -7 32 23 40 25 48 29 49
TEMP -5 -1 16 30 26 29 37 32 29 32 44 42 36 30 44 43
DEWPT -7 -4 13 21 26 24 31 28 26 25 33 33 30 28 34 31
PWIND DIR SW S SW NW S W W SW
WIND CHAR LT BZ BZ GN GN GN GN BZ
AVG CLOUDS B1 SC SC FW FW SC SC FW SC SC B1 B1 B1 SC B1 B1
POP 12HR 0 0 0 0 0 0 0 5
SDZ057-112200-
CHAMBERLAIN-BRULE SD
43.77N 99.32W ELEV. 1565 FT
123 PM CST THU DEC 11 2025
DATE THU 12/11/25 FRI 12/12/25 SAT 12/13/25
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 36 13 22 3 8
TEMP 32 30 27 28 25 19 17 16 14 11 11 9 7 4 5 6 8 5
DEWPT 29 28 27 27 24 18 11 7 5 6 5 5 4 4 3 3 3 0
RH 88 92100 96 96 96 77 67 67 80 76 83 87100 91 87 79 79
WIND DIR NE N NW NW NW NW NW NW NW N N N NE NE NE N N N
WIND SPD 5 9 9 10 14 17 17 17 16 11 10 8 9 10 10 11 10 5
CLOUDS B2 OV OV OV OV B2 B2 B2 B2 OV OV OV OV OV OV B2 B1 SC
POP 12HR 20 5 30 80 60
QPF 12HR 0 0 0 0.14 0.06
SNOW 12HR 00-00 00-00 00-00
FRZG RAIN
SNOW S S C C D D L L
WIND CHILL 26 22 18 18 13 4 1 0 -2 -3 -3 -3 -8-11-10-10 -6 -6
MIN CHILL 19 17 4 -2 -4 -4 -11 -11 -9
DATE SUN 12/14/25 MON 12/15/25 TUE 12/16/25 WED 12/17/25
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX -9 29 18 37 23 45 26 47
TEMP -5 -1 16 27 21 23 34 30 27 30 40 39 32 27 41 40
DEWPT -5 -4 11 21 21 22 31 27 26 27 34 34 30 27 34 32
PWIND DIR SE SE SW W S SW W SW
WIND CHAR LT BZ GN GN GN GN GN GN
AVG CLOUDS SC SC SC FW FW SC SC FW SC B1 B1 SC B1 B1 B1 B1
POP 12HR 0 0 0 0 0 0 0 10
SDZ038-112200-
HURON-BEADLE SD
44.38N 98.22W ELEV. 1282 FT
123 PM CST THU DEC 11 2025
DATE THU 12/11/25 FRI 12/12/25 SAT 12/13/25
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 26 7 19 0 4
TEMP 24 24 23 23 21 15 12 10 8 5 5 4 2 1 2 3 4 -1
DEWPT 22 23 22 21 19 13 7 3 1 0 0 -2 -2 -2 -2 -3 -3 -7
RH 92 96 96 92 92 92 80 73 72 79 79 75 83 87 83 75 72 75
WIND DIR E NE NW NW NW NW NW NW NW NW NW N N N N N N N
WIND SPD 6 5 5 8 12 17 18 18 17 12 10 9 8 8 10 11 11 6
WIND GUST 27
CLOUDS OV OV OV OV B2 B2 B2 B2 B2 B2 OV OV OV OV OV B2 SC FW
POP 12HR 80 30 10 60 50
QPF 12HR 0.10 0.01 0 0.03 0.05
SNOW 12HR 1 T 00-00
FLURRIES C
FRZG RAIN
SLEET
SNOW C C S S L L C C
WIND CHILL 16 17 16 14 9 -1 -6 -8-11-11-10-10-12-14-13-13-12-14
MIN CHILL 12 13 -3 -8 -13 -13 -16 -16 -15
DATE SUN 12/14/25 MON 12/15/25 TUE 12/16/25 WED 12/17/25
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX -19 20 11 30 17 38 21 38
TEMP -13 -10 3 18 14 18 28 24 21 25 34 34 30 23 33 33
DEWPT -15 -15 -1 10 14 17 25 22 21 23 31 31 28 23 31 30
PWIND DIR NW SE S NW S S W S
WIND CHAR LT BZ GN LT GN GN LT GN
AVG CLOUDS FW SC SC FW SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1
POP 12HR 0 0 0 5 0 0 5 10
SDZ059-112200-
MITCHELL-DAVISON SD
43.76N 98.02W ELEV. 1312 FT
123 PM CST THU DEC 11 2025
DATE THU 12/11/25 FRI 12/12/25 SAT 12/13/25
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 27 11 21 1 6
TEMP 25 24 23 23 22 18 16 14 11 8 7 6 4 2 3 5 6 0
DEWPT 24 24 23 23 21 17 13 8 5 3 2 1 0 1 1 1 0 -5
RH 96100100100 96 96 88 76 76 79 79 79 83 95 91 83 76 79
WIND DIR SE NE N NW NW NW NW NW NW NW N N N N N N N N
WIND SPD 8 5 5 6 11 16 18 18 17 12 10 8 8 9 10 12 12 8
WIND GUST 27
CLOUDS OV OV OV OV B2 B2 B2 B2 B2 B2 OV OV OV OV OV B2 SC FW
POP 12HR 70 20 10 60 60
QPF 12HR 0.07 0.01 0 0.06 0.09
SNOW 12HR 1 00-00 00-00
FLURRIES C
FRZG RAIN
SLEET
SNOW C S L L L L S S
WIND CHILL 17 17 16 15 10 3 0 -3 -6 -8 -8 -7 -9-12-12-13-10-14
MIN CHILL 14 14 1 -4 -10 -10 -14 -14 -15
DATE SUN 12/14/25 MON 12/15/25 TUE 12/16/25 WED 12/17/25
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX -18 22 13 31 17 39 23 41
TEMP -12 -10 5 19 16 19 30 25 21 26 36 35 31 24 35 35
DEWPT -13 -14 2 13 16 18 28 24 21 25 33 32 30 24 32 31
PWIND DIR NW SE S NW S S W S
WIND CHAR LT BZ GN GN LT GN GN GN
AVG CLOUDS FW SC SC FW SC SC SC SC SC SC B1 B1 B1 B1 B1 B1
POP 12HR 0 0 0 0 0 0 5 10
SDZ062-112200-
SIOUX FALLS-MINNEHAHA SD
43.57N 96.73W ELEV. 1424 FT
123 PM CST THU DEC 11 2025
DATE THU 12/11/25 FRI 12/12/25 SAT 12/13/25
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 24 12 20 1 4
TEMP 23 24 20 20 20 18 17 15 9 6 5 4 3 2 3 4 4 -1
DEWPT 21 21 19 18 18 17 14 10 5 1 0 -1 -2 -2 -1 0 -2 -7
RH 92 88 96 92 92 96 88 80 83 79 79 79 79 83 83 83 75 75
WIND DIR SE E NE N NW NW NW NW NW NW NW NW N N N N NW NW
WIND SPD 9 5 4 3 5 11 13 16 14 11 10 6 6 5 8 11 11 9
WIND GUST 24 27 26
CLOUDS OV OV OV OV B2 B2 B1 B2 B2 B2 OV OV OV OV OV OV B1 FW
POP 12HR 80 40 5 50 60
QPF 12HR 0.10 0.01 0 0.02 0.08
SNOW 12HR 1 T 00-00
FLURRIES C
SNOW L C S S C C L L S S
WIND CHILL 13 16 14 15 12 5 3 -1 -8 -9-10 -8 -9-10-11-12-12-17
MIN CHILL 10 11 3 -2 -11 -13 -13 -14 -20
WINTER WEATH Y
DATE SUN 12/14/25 MON 12/15/25 TUE 12/16/25 WED 12/17/25
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX -21 16 6 30 14 35 22 36
TEMP -13 -15 -2 13 10 17 28 24 18 22 33 33 31 23 33 34
DEWPT -15 -19 -5 3 10 15 26 22 17 20 30 30 28 23 31 30
PWIND DIR NW SE S NW SE S W SW
WIND CHAR LT GN GN LT LT GN LT GN
AVG CLOUDS FW FW SC FW FW SC SC SC SC SC B1 B1 B1 SC B1 B1
POP 12HR 0 0 0 0 0 0 5 10
SDZ070-112200-
VERMILLION-CLAY SD
42.95N 96.92W ELEV. 1132 FT
123 PM CST THU DEC 11 2025
DATE THU 12/11/25 FRI 12/12/25 SAT 12/13/25
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 32 17 24 4 8
TEMP 29 29 26 24 24 22 21 21 17 12 10 9 7 5 6 7 8 4
DEWPT 25 26 24 23 22 21 19 16 11 7 5 3 3 5 5 5 3 0
RH 85 88 92 96 92 96 92 81 77 80 80 76 83100 96 91 79 83
WIND DIR SE E NE NW NW NW NW NW NW NW NW N N N N N N NW
WIND SPD 9 5 5 5 9 13 14 18 16 11 10 8 6 6 9 11 12 9
CLOUDS B2 OV B2 OV OV B2 B2 B2 B2 B2 OV OV OV OV OV OV B1 SC
POP 12HR 60 10 10 60 80
QPF 12HR 0.02 0 0 0.06 0.11
SNOW 12HR T 00-00 00-00
FLURRIES C
FRZG RAIN S
SLEET S
SNOW S L L D D C C
WIND CHILL 21 23 19 17 14 10 8 6 1 -3 -3 -3 -5 -7 -8 -8 -8-11
MIN CHILL 15 16 8 4 -4 -5 -8 -10 -12
DATE SUN 12/14/25 MON 12/15/25 TUE 12/16/25 WED 12/17/25
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX -15 19 10 34 17 39 24 41
TEMP -10 -10 5 16 13 21 32 27 20 25 37 35 31 26 38 37
DEWPT -10 -13 0 8 13 18 29 24 20 22 32 32 30 26 34 32
PWIND DIR NW SE S W S S W SW
WIND CHAR LT GN GN GN LT GN LT GN
AVG CLOUDS FW FW SC FW FW SC SC SC SC SC B1 B1 B1 SC B1 B1
POP 12HR 0 0 0 0 0 0 0 5
SDZ069-112200-
YANKTON-YANKTON SD
42.95N 97.39W ELEV. 1207 FT
123 PM CST THU DEC 11 2025
DATE THU 12/11/25 FRI 12/12/25 SAT 12/13/25
CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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 32 16 23 4 6
TEMP 29 29 26 25 25 22 20 19 15 11 10 9 7 5 5 6 6 2
DEWPT 25 26 25 24 23 21 17 13 9 6 5 3 3 4 4 3 2 -2
RH 85 88 96 96 92 96 88 77 77 80 80 76 83 95 95 87 83 83
WIND DIR E NE N NW NW NW NW NW NW NW N N N N N N N NW
WIND SPD 9 6 5 5 10 14 17 18 16 11 10 8 6 8 10 12 12 8
CLOUDS B2 OV B2 OV OV B2 B2 B2 B2 OV OV OV OV OV OV OV B1 SC
POP 12HR 60 5 10 70 80
QPF 12HR 0.01 0 0 0.08 0.12
SNOW 12HR 00-00 00-00 00-00
FLURRIES C
FRZG RAIN
SLEET
SNOW S L L D D S S
WIND CHILL 20 22 19 18 15 9 6 3 -1 -3 -4 -3 -5 -8-10-10-10-12
MIN CHILL 15 17 8 2 -3 -5 -9 -12 -12
DATE SUN 12/14/25 MON 12/15/25 TUE 12/16/25 WED 12/17/25
CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX -14 20 14 33 19 40 26 42
TEMP -9 -9 6 18 16 22 31 27 21 26 37 35 32 27 38 37
DEWPT -10 -13 3 10 15 20 29 24 21 23 32 32 30 27 33 32
PWIND DIR NW SE S W S SW W SW
WIND CHAR LT GN GN GN LT GN LT GN
AVG CLOUDS FW SC SC FW FW SC SC SC SC SC B1 B1 B1 SC B1 B1
POP 12HR 0 0 0 0 0 0 0 5
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