134
FOUS53 KFSD 101103
PFMFSD
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SIOUX FALLS SD
503 AM CST WED DEC 10 2025
IAZ012-102200-
SIOUX CENTER-SIOUX IA
43.08N 96.18W ELEV. 1446 FT
503 AM CST WED DEC 10 2025
DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25
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 13 26 11 18
TEMP 24 24 22 20 17 15 14 15 17 19 23 26 26 23 21 17 14 17 17 16 11
DEWPT 20 19 18 17 14 12 12 13 14 18 22 25 26 23 21 17 14 15 14 11 8
RH 84 81 84 88 88 88 92 92 88 96 96 96100100100100100 92 88 80 87
WIND DIR NW NW NW NW NW N E SE SE SE S S SE N N NW NW NW NW NW NW
WIND SPD 26 21 17 13 6 3 2 4 6 9 11 10 5 6 8 10 12 13 14 13 9
CLOUDS OV B2 B2 B2 OV OV B2 OV OV OV OV OV OV B2 B2 B2 OV B2 OV OV OV
POP 12HR 10 10 70 20 5
QPF 12HR 0 0 0.08 0.01 0
SNOW 12HR 00-00 00-00 T
FLURRIES C
FRZG RAIN L L L S
SLEET L
SNOW L L S S
WIND CHILL 8 9 7 7 8 9 8 8 8 12 16 19 16 11 5 -1 3 2 1 -2
MIN CHILL 6 6 5 6 6 6 12 11 -2 -1 -3
WINTER STORM A
DATE SAT 12/13/25 SUN 12/14/25 MON 12/15/25 TUE 12/16/25
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 1 6 -15 14 3 27 11 33
TEMP 7 5 6 0 -9 -9 2 11 11 17 26 23 16 20 31 32
DEWPT 3 3 5 -1-10 -13 0 5 9 14 25 22 16 20 30 31
PWIND DIR N NE N SE S SW S S
WIND CHAR LT LT LT GN GN GN LT GN
AVG CLOUDS OV OV OV B2 SC SC SC FW SC SC SC SC SC SC B1 B1
POP 12HR 50 60 5 0 0 0 0 0
SNOW C L S
IAZ031-102200-
SIOUX CITY-WOODBURY IA
42.40N 96.38W ELEV. 1210 FT
503 AM CST WED DEC 10 2025
DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25
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 28 18 32 15 22
TEMP 28 27 26 25 22 20 19 20 22 22 28 32 31 27 26 22 18 20 21 21 17
DEWPT 21 20 18 18 15 14 14 15 16 19 23 27 28 26 24 22 18 17 14 14 11
RH 75 74 71 74 74 77 80 81 77 88 81 81 88 96 92100100 88 74 74 77
WIND DIR NW NW NW NW NW N E SE SE SE S S SE N NW NW NW NW NW NW N
WIND SPD 29 23 17 14 6 3 2 4 6 9 10 9 5 6 9 12 13 14 14 13 9
WIND GUST 42 35 27 24
CLOUDS B2 B2 B1 B1 B2 OV B2 OV B2 OV OV OV B2 B2 B2 B2 OV OV OV OV OV
POP 12HR 10 20 40 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FLURRIES C
FRZG RAIN C C C
RAIN C
SNOW C
WIND CHILL 13 13 14 13 13 15 13 14 12 18 24 25 20 17 10 4 7 8 8 5
MIN CHILL 11 10 11 12 11 10 18 16 4 4 2
WINTER STORM A
DATE SAT 12/13/25 SUN 12/14/25 MON 12/15/25 TUE 12/16/25
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 5 12 -9 17 8 34 14 39
TEMP 12 10 12 8 -2 -3 9 15 14 19 32 28 20 23 36 36
DEWPT 8 7 8 4 -4 -7 1 5 9 14 25 23 20 21 30 30
PWIND DIR N NE N SE S SW S S
WIND CHAR LT LT LT GN GN GN LT GN
AVG CLOUDS OV OV OV B2 SC B1 SC FW FW SC SC SC SC SC B1 B1
POP 12HR 30 40 5 0 0 0 0 0
SNOW C C
IAZ014-102200-
SPENCER-CLAY IA
43.15N 95.18W ELEV. 1325 FT
503 AM CST WED DEC 10 2025
DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25
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 23 8 23 9 18
TEMP 24 23 21 20 17 12 10 10 12 14 20 23 23 19 17 15 11 15 17 15 9
DEWPT 19 18 18 16 13 10 8 8 8 13 19 21 22 19 17 14 11 13 13 11 6
RH 81 81 88 84 84 91 91 91 84 96 96 92 96100100 96100 92 84 84 87
WIND DIR NW NW NW NW NW N N E S SE SE SE SE NE N N NW NW NW NW NW
WIND SPD 28 23 18 16 10 5 2 2 4 6 10 10 8 6 6 10 12 14 16 14 10
WIND GUST 39 33
CLOUDS OV B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 OV
POP 12HR 20 10 80 20 5
QPF 12HR 0 0 0.09 0.01 0
SNOW 12HR 00-00 00-00 T
FLURRIES C C
FRZG RAIN S D
SLEET D
SNOW C C D D S S
WIND CHILL 6 7 6 6 5 3 4 4 9 12 14 10 8 2 -4 0 1 0 -5
MIN CHILL 6 6 4 1 3 1 10 7 -5 -3 -7
WINTER STORM A
DATE SAT 12/13/25 SUN 12/14/25 MON 12/15/25 TUE 12/16/25
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 -2 5 -17 9 -2 27 9 33
TEMP 4 1 4 -1-11 -14 2 3 6 15 25 22 15 18 30 31
DEWPT 0 -1 2 -5-13 -18 -4 -2 4 11 22 20 15 16 28 30
PWIND DIR N N NW S S SW SW S
WIND CHAR LT LT LT LT GN GN LT GN
AVG CLOUDS OV OV OV B2 SC SC SC SC SC SC SC SC SC SC B1 B1
POP 12HR 30 60 5 0 0 0 0 0
SNOW C L S
IAZ022-102200-
STORM LAKE-BUENA VISTA
42.60N 95.23W ELEV. 1427 FT
503 AM CST WED DEC 10 2025
DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25
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 25 13 19
TEMP 24 24 23 22 17 15 13 13 15 17 22 25 25 23 21 18 15 17 18 17 12
DEWPT 22 21 20 18 15 13 12 12 12 17 21 24 25 23 21 18 15 16 15 14 10
RH 92 88 88 84 92 92 96 96 88100 96 96100100100100100 96 88 88 91
WIND DIR NW NW NW NW NW NW N E SE SE SE S SE NE N N NW NW NW NW NW
WIND SPD 28 23 18 16 10 6 3 4 5 9 10 10 8 8 9 10 13 13 16 14 10
WIND GUST 39 33
CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 OV B2 OV OV OV B2 B2 B2 B2 B2 OV B2 OV
POP 12HR 10 10 70 20 5
QPF 12HR 0 0 0.06 0.01 0
SNOW 12HR 00-00 00-00 00-00
FLURRIES C C
FRZG RAIN C L L S
SLEET L L
SNOW C C L S S
WIND CHILL 7 9 9 8 5 6 7 5 5 6 11 15 16 14 11 6 0 3 3 2 -1
MIN CHILL 7 7 5 4 3 4 12 11 -1 0 -3
WINTER STORM A
DATE SAT 12/13/25 SUN 12/14/25 MON 12/15/25 TUE 12/16/25
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 2 7 -13 11 1 27 13 34
TEMP 7 5 6 2 -8 -10 3 5 9 17 26 24 18 21 31 33
DEWPT 5 4 5 -1 -9 -14 -2 1 6 13 24 22 18 20 30 31
PWIND DIR N NE NW E S SW SW S
WIND CHAR GN LT LT LT GN GN LT GN
AVG CLOUDS OV OV OV B2 SC SC SC FW SC SC SC SC SC SC B1 B1
POP 12HR 30 60 5 0 0 0 0 0
SNOW C L S
MNZ072-102200-
MARSHALL-LYON MN
44.47N 95.82W ELEV. 1151 FT
503 AM CST WED DEC 10 2025
DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25
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 21 7 16
TEMP 21 22 21 19 15 12 9 10 13 15 20 21 20 17 16 13 10 12 14 10 4
DEWPT 17 16 14 12 10 9 7 7 8 12 16 18 18 15 14 13 10 9 5 2 -1
RH 84 77 74 74 80 87 91 87 80 88 84 88 92 92 92100100 87 67 69 79
WIND DIR NW NW NW NW NW NW NW SE SE SE SE SE E NE NW NW NW NW NW NW NW
WIND SPD 25 23 19 16 10 5 2 3 5 8 10 10 6 6 6 10 14 18 20 18 12
CLOUDS OV B2 B2 B2 B2 B2 B1 B2 OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 OV
POP 12HR 20 10 80 40 10
QPF 12HR 0 0 0.20 0.01 0
SNOW 12HR 00-00 00-00 2
SNOW S S L L D D C C
OBVIS BS
WIND CHILL 4 6 6 4 2 3 7 4 4 8 10 11 8 5 0 -7 -6 -4 -8-13
MIN CHILL 3 3 2 1 2 2 9 5 -8 -8 -15
WINTER STORM A
DATE SAT 12/13/25 SUN 12/14/25 MON 12/15/25 TUE 12/16/25
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 -5 1 -15 12 2 27 11 35
TEMP 0 -2 1 -3-11 -12 3 6 9 16 26 24 17 21 32 33
DEWPT -5 -6 -4 -9-14 -17 -5 -1 6 12 22 20 16 18 26 28
PWIND DIR NW NW NW S S W SW S
WIND CHAR GN GN LT GN GN GN LT GN
AVG CLOUDS OV OV OV B1 SC SC SC SC SC SC SC SC SC SC SC B1
POP 12HR 30 50 5 0 0 0 0 0
SNOW C C S
MNZ081-102200-
WINDOM-COTTONWOOD MN
43.87N 95.12W ELEV. 1355 FT
503 AM CST WED DEC 10 2025
DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25
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 21 8 16
TEMP 22 21 21 20 15 12 8 9 11 13 19 21 21 17 16 13 10 13 14 11 6
DEWPT 19 16 14 12 10 8 6 6 6 10 15 17 18 15 14 12 10 11 7 4 1
RH 88 81 74 71 80 84 91 87 80 87 84 84 88 92 92 96100 91 73 73 79
WIND DIR NW NW NW NW NW NW NW SW S S S SE E NE N NW NW NW NW NW NW
WIND SPD 26 23 18 17 11 6 2 2 3 6 10 10 6 5 5 10 13 17 18 18 12
WIND GUST 36
CLOUDS B2 B2 B2 B2 B2 B2 B1 B2 OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 OV
POP 12HR 20 10 80 40 10
QPF 12HR 0 0 0.17 0.01 0
SNOW 12HR 00-00 00-00 2
FLURRIES C
SNOW S C C D D C C
WIND CHILL 5 4 6 5 2 1 5 3 7 10 12 9 7 0 -6 -4 -3 -7-11
MIN CHILL 4 2 0 0 4 2 9 7 -6 -5 -12
WINTER STORM A
DATE SAT 12/13/25 SUN 12/14/25 MON 12/15/25 TUE 12/16/25
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 -4 2 -16 9 -2 27 11 34
TEMP 0 -2 1 -3-11 -13 1 3 6 14 25 23 16 19 30 32
DEWPT -5 -5 -4 -9-14 -17 -8 -5 1 10 20 18 15 16 25 27
PWIND DIR NW N NW SW S SW SW S
WIND CHAR GN GN LT GN BZ GN LT GN
AVG CLOUDS OV OV OV B1 SC SC SC SC SC SC SC SC SC SC B1 B1
POP 12HR 30 60 5 0 0 0 0 0
SNOW C L S
MNZ089-102200-
WORTHINGTON-NOBLES MN
43.65N 95.58W ELEV. 1584 FT
503 AM CST WED DEC 10 2025
DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25
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 8 22 8 16
TEMP 21 21 20 19 14 12 9 9 12 14 19 22 21 17 16 13 10 13 14 12 6
DEWPT 18 16 15 13 10 9 8 8 8 12 17 19 20 17 16 13 10 12 9 6 3
RH 88 81 81 77 84 87 96 96 84 92 92 88 96100100100100 96 80 76 87
WIND DIR NW NW NW NW NW N N SE S S S S E NE N NW NW NW NW NW NW
WIND SPD 28 21 18 16 10 4 2 2 5 9 11 10 8 6 8 10 13 16 17 16 11
WIND GUST 39
CLOUDS OV B2 B2 B2 B2 B2 B1 B2 OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 OV
POP 12HR 10 10 80 30 10
QPF 12HR 0 0 0.13 0.01 0
SNOW 12HR 00-00 00-00 1
FLURRIES C C
FRZG RAIN S S D
SLEET S
SNOW L L D D C C
WIND CHILL 3 5 5 4 2 4 3 2 7 11 12 8 5 0 -6 -2 -2 -4 -9
MIN CHILL 2 2 1 2 2 1 8 4 -8 -7 -10
WINTER STORM A
DATE SAT 12/13/25 SUN 12/14/25 MON 12/15/25 TUE 12/16/25
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 -3 3 -16 10 -1 26 11 33
TEMP 2 0 2 -3-12 -13 1 3 7 15 24 22 16 19 29 31
DEWPT -2 -3 -1 -7-14 -17 -5 -2 4 12 22 20 16 18 26 28
PWIND DIR N N NW S S SW SW S
WIND CHAR GN GN LT GN BZ GN LT GN
AVG CLOUDS OV OV OV B1 SC SC SC SC SC SC SC SC SC SC B1 B1
POP 12HR 40 60 5 0 0 0 0 0
SNOW C L C
SDZ040-102200-
BROOKINGS-BROOKINGS SD
44.30N 96.80W ELEV. 1617 FT
503 AM CST WED DEC 10 2025
DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25
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 8 23 4 14
TEMP 20 20 18 17 13 12 9 12 14 16 20 23 22 18 16 12 7 10 12 9 3
DEWPT 15 13 12 10 8 7 7 8 9 14 18 21 21 16 14 12 7 6 4 2 -1
RH 81 74 77 73 80 80 91 84 80 92 92 92 96 92 92100100 83 70 72 83
WIND DIR NW NW NW NW NW NW SE SE S S S S NE N N NW NW NW NW NW NW
WIND SPD 23 21 18 14 6 3 2 5 8 10 12 10 6 8 9 12 16 17 18 16 11
WIND GUST 32 27 28 27
CLOUDS B2 OV B2 B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 OV B2 B2 OV
POP 12HR 10 10 80 20 5
QPF 12HR 0 0 0.14 0.01 0
SNOW 12HR 00-00 00-00 1
FLURRIES C
FRZG RAIN D D S
SLEET D
SNOW D D D D S S
WIND CHILL 4 4 3 2 3 6 3 2 3 7 13 14 8 4 -3-11 -8 -6 -8-12
MIN CHILL 3 2 0 2 1 0 9 4 -11 -10 -14
WINTER STORM A
WINTER WEATH Y Y Y Y Y Y
DATE SAT 12/13/25 SUN 12/14/25 MON 12/15/25 TUE 12/16/25
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 -5 3 -17 13 1 27 10 33
TEMP 1 -1 1 -3-12 -13 3 7 9 15 25 22 15 19 30 31
DEWPT -4 -4 -2 -8-14 -17 -3 1 7 12 23 20 14 16 26 27
PWIND DIR N N NW SE S SW SW S
WIND CHAR LT GN LT GN BZ GN LT GN
AVG CLOUDS OV OV OV B1 SC SC SC SC SC SC SC SC SC SC B1 B1
POP 12HR 40 60 5 0 0 0 0 0
SNOW C L S
SDZ050-102200-
BURKE-GREGORY SD
43.18N 99.29W ELEV. 2142 FT
503 AM CST WED DEC 10 2025
DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25
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 24 50 17 21
TEMP 29 28 31 32 30 27 25 27 31 33 46 49 44 35 31 25 19 20 21 21 18
DEWPT 22 20 18 17 16 17 20 21 24 29 36 37 35 31 28 24 18 14 12 11 11
RH 75 71 58 53 55 65 81 78 75 85 68 63 70 85 88 96 96 77 68 65 73
WIND DIR NW NW NW N NE E SE S S S SW NW NW NW NW NW NW N NW N N
WIND SPD 21 20 18 11 5 8 11 12 11 10 12 13 13 16 18 20 20 18 17 13 10
WIND GUST 32 34 24 26 28 32 32 28
CLOUDS SC SC FW B2 OV OV OV OV B2 B2 B1 B1 B2 B2 OV OV OV OV B2 OV OV
POP 12HR 10 20 20 5 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FRZG RAIN S S
RAIN S
SNOW S S S C
WIND CHILL 16 15 19 23 24 18 14 16 21 25 25 19 11 3 5 7 8 6
MIN CHILL 15 13 21 14 14 21 19 2 3 6
DATE SAT 12/13/25 SUN 12/14/25 MON 12/15/25 TUE 12/16/25
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 5 12 0 30 22 41 25 49
TEMP 14 9 10 9 3 6 20 28 27 27 39 34 28 31 45 42
DEWPT 10 6 6 4 0 1 12 18 23 22 27 28 24 23 29 30
PWIND DIR E NE E SE SW W S SW
WIND CHAR GN GN GN BZ BZ GN GN GN
AVG CLOUDS OV OV OV B2 B2 B1 SC FW SC SC SC FW SC SC SC SC
POP 12HR 40 30 5 0 0 0 0 0
SNOW C C C
SDZ057-102200-
CHAMBERLAIN-BRULE SD
43.77N 99.32W ELEV. 1565 FT
503 AM CST WED DEC 10 2025
DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25
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 29 21 41 15 20
TEMP 27 26 28 28 26 24 22 23 26 28 38 41 36 31 28 23 17 17 19 19 16
DEWPT 21 18 16 16 17 17 19 19 21 26 33 35 33 29 26 22 17 13 10 10 9
RH 78 71 60 60 68 74 88 84 81 92 82 79 89 92 92 96100 84 67 67 73
WIND DIR NW NW NW N NE E SE SE SE SE S NW N NW NW NW NW NW NW N N
WIND SPD 17 17 14 10 5 9 11 12 12 10 9 11 11 13 14 17 17 16 14 13 9
WIND GUST 27
CLOUDS FW FW SC B2 OV OV OV OV OV B2 B2 B1 B2 OV OV OV OV B2 B2 B2 OV
POP 12HR 10 30 40 10 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FRZG RAIN C C C
SNOW S C C
WIND CHILL 15 13 16 19 19 14 10 11 15 18 31 34 29 21 16 9 1 2 5 6 4
MIN CHILL 14 10 17 10 10 14 28 16 1 0 2
DATE SAT 12/13/25 SUN 12/14/25 MON 12/15/25 TUE 12/16/25
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 3 11 -4 27 16 36 21 44
TEMP 10 7 9 7 -1 2 16 25 22 22 34 29 25 28 40 38
DEWPT 8 5 5 3 -2 -1 10 17 22 20 27 25 23 23 30 31
PWIND DIR NE NE E SE S NW SE SW
WIND CHAR GN GN LT BZ GN GN GN GN
AVG CLOUDS OV OV OV B2 B2 B1 SC FW SC SC SC FW SC SC SC SC
POP 12HR 50 40 0 0 0 0 0 0
SNOW C L C
SDZ038-102200-
HURON-BEADLE SD
44.38N 98.22W ELEV. 1282 FT
503 AM CST WED DEC 10 2025
DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25
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 23 14 28 8 15
TEMP 22 21 19 20 18 16 16 18 19 21 25 28 26 24 21 17 11 13 14 12 8
DEWPT 16 13 13 12 11 11 12 13 15 19 23 26 25 23 20 17 11 9 6 3 2
RH 77 71 77 71 73 80 84 80 84 92 92 92 96 96 96100100 84 70 66 76
WIND DIR NW NW NW N N E SE SE SE SE SE SE N N NW NW NW NW NW NW N
WIND SPD 21 19 14 12 5 4 5 9 11 12 11 9 8 10 13 14 17 17 17 14 10
WIND GUST 32 27
CLOUDS B1 SC B1 B2 OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 OV B2 B2 OV
POP 12HR 5 50 80 20 10
QPF 12HR 0 0.01 0.13 0 0
SNOW 12HR 00-00 00-00 T
FRZG RAIN D D C C
SLEET D
SNOW S C D C S S S S S
WIND CHILL 7 6 5 7 10 9 7 7 7 9 14 19 18 14 8 2 -7 -4 -3 -4 -7
MIN CHILL 6 3 4 6 5 6 15 8 -8 -8 -9
WINTER STORM A
WINTER WEATH Y Y Y Y Y Y
DATE SAT 12/13/25 SUN 12/14/25 MON 12/15/25 TUE 12/16/25
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 -1 5 -14 17 8 28 13 36
TEMP 5 2 3 0 -9 -5 5 15 14 17 26 23 18 22 32 33
DEWPT 0 0 0 -4-10 -9 1 7 13 14 23 20 18 20 28 29
PWIND DIR N N N SE S W S S
WIND CHAR LT GN LT GN GN GN LT GN
AVG CLOUDS OV OV OV B1 SC B1 SC SC SC SC SC SC SC SC SC SC
POP 12HR 60 60 5 0 0 0 0 0
SNOW S L L S
SDZ059-102200-
MITCHELL-DAVISON SD
43.76N 98.02W ELEV. 1312 FT
503 AM CST WED DEC 10 2025
DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25
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 17 30 11 18
TEMP 25 23 22 22 19 18 18 19 20 22 27 30 29 25 23 19 14 15 17 16 10
DEWPT 18 16 16 15 13 13 14 15 16 21 26 29 28 24 22 19 14 12 10 9 6
RH 74 74 77 74 77 80 84 84 84 96 96 96 96 96 96100100 88 73 73 83
WIND DIR NW NW NW N N E SE SE SE SE SE SE N NW NW NW NW NW NW N N
WIND SPD 21 19 17 12 5 4 5 9 12 13 12 10 8 10 13 16 17 18 18 14 10
WIND GUST 31 27
CLOUDS SC SC SC B2 OV OV OV OV OV OV OV B2 B2 B2 B2 B2 OV OV OV B2 OV
POP 12HR 5 40 60 10 10
QPF 12HR 0 0 0.07 0 0
SNOW 12HR 00-00 00-00 00-00
FRZG RAIN L L C C
SLEET L
SNOW S C L S
WIND CHILL 10 8 7 10 11 11 10 8 7 9 16 21 21 15 11 4 -3 -2 1 1 -4
MIN CHILL 9 6 8 9 6 7 18 11 -4 -4 -5
WINTER STORM A
DATE SAT 12/13/25 SUN 12/14/25 MON 12/15/25 TUE 12/16/25
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 1 8 -11 20 10 31 14 38
TEMP 7 5 7 2 -6 -4 7 18 17 19 29 24 19 23 35 33
DEWPT 3 4 5 1 -7 -7 4 10 15 17 27 23 19 21 30 30
PWIND DIR NE N N SE S W S S
WIND CHAR LT GN LT GN GN GN LT GN
AVG CLOUDS OV OV OV B1 SC B1 SC FW SC SC SC SC SC SC SC SC
POP 12HR 60 60 5 0 0 0 0 0
SNOW S L L
SDZ062-102200-
SIOUX FALLS-MINNEHAHA SD
43.57N 96.73W ELEV. 1424 FT
503 AM CST WED DEC 10 2025
DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25
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 13 26 9 17
TEMP 24 23 21 20 18 16 14 15 17 18 23 26 26 23 21 17 12 15 16 14 9
DEWPT 17 17 16 14 12 11 11 11 13 17 21 23 25 22 19 17 12 12 10 8 4
RH 74 77 81 77 77 80 88 84 84 96 92 88 96 96 92100100 88 77 76 80
WIND DIR NW NW NW NW NW N E SE SE SE S S NE N N NW NW NW NW NW NW
WIND SPD 23 20 17 13 6 3 2 4 8 10 11 10 6 6 9 11 13 14 16 13 10
WIND GUST 33 32 27 26 24
CLOUDS B2 B2 B2 B2 OV OV B2 B2 OV OV OV OV OV B2 B2 B2 B2 OV OV B2 OV
POP 12HR 10 20 70 10 5
QPF 12HR 0 0 0.10 0 0
SNOW 12HR 00-00 00-00 T
FLURRIES C
FRZG RAIN L L L L S
SLEET L
SNOW S L L S S
WIND CHILL 8 8 7 7 9 12 7 7 6 11 16 19 15 11 4 -3 -1 1 -1 -4
MIN CHILL 8 6 5 6 4 4 11 9 -5 -5 -6
WINTER STORM A
DATE SAT 12/13/25 SUN 12/14/25 MON 12/15/25 TUE 12/16/25
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 0 5 -15 14 5 28 12 33
TEMP 6 3 5 0 -9 -9 2 12 12 17 26 24 17 20 31 31
DEWPT 1 1 3 -4-10 -13 -2 4 9 14 25 21 17 18 28 28
PWIND DIR N N N SE S SW S S
WIND CHAR LT LT LT GN GN GN LT GN
AVG CLOUDS OV OV OV B1 SC SC SC FW SC SC SC SC SC SC SC B1
POP 12HR 50 60 5 0 0 0 0 0
SNOW C L S
SDZ070-102200-
VERMILLION-CLAY SD
42.95N 96.92W ELEV. 1132 FT
503 AM CST WED DEC 10 2025
DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25
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 18 33 14 21
TEMP 27 26 26 24 20 20 19 20 21 23 29 33 31 27 26 21 17 20 21 20 16
DEWPT 22 20 19 18 15 14 15 16 16 20 25 30 30 27 25 21 17 17 15 14 11
RH 81 78 74 77 81 77 84 84 81 88 85 89 96100 96100100 88 77 77 80
WIND DIR NW NW NW NW NW NE E SE SE SE S SE NW NW NW NW NW NW NW NW N
WIND SPD 25 23 18 14 6 3 3 6 10 11 12 10 5 8 10 13 16 17 17 14 10
WIND GUST 35 34
CLOUDS B2 B1 B1 B1 OV OV OV OV OV OV OV B2 B2 B2 B2 B2 OV OV OV OV OV
POP 12HR 10 20 40 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FRZG RAIN C C C
RAIN C
SNOW S S C
WIND CHILL 13 12 12 12 12 14 15 11 11 11 19 25 25 19 16 8 2 5 6 6 3
MIN CHILL 11 9 9 11 9 9 20 15 1 2 2
WINTER STORM A
DATE SAT 12/13/25 SUN 12/14/25 MON 12/15/25 TUE 12/16/25
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 5 11 -9 18 10 33 15 39
TEMP 11 9 11 6 -3 -3 10 15 16 21 32 26 20 24 37 36
DEWPT 7 7 8 3 -4 -6 3 7 12 17 27 24 20 22 31 30
PWIND DIR N NE N SE S SW S S
WIND CHAR LT GN LT GN GN GN LT GN
AVG CLOUDS OV OV OV B2 B1 B1 SC FW SC SC SC SC SC SC SC SC
POP 12HR 40 40 5 0 0 0 0 0
SNOW C C
SDZ069-102200-
YANKTON-YANKTON SD
42.95N 97.39W ELEV. 1207 FT
503 AM CST WED DEC 10 2025
DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25
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 19 33 15 20
TEMP 26 24 24 24 21 20 20 20 22 23 30 33 32 27 26 22 18 18 19 18 15
DEWPT 20 18 18 17 15 14 15 16 16 21 26 30 30 27 24 22 18 16 14 12 10
RH 78 77 77 74 77 77 81 84 77 92 85 89 92100 92100100 92 80 77 80
WIND DIR NW NW NW NW N NE E SE SE SE SE SE N NW NW NW NW NW NW NW N
WIND SPD 27 21 18 12 5 4 5 8 11 12 12 10 6 9 11 14 17 17 17 13 9
WIND GUST 37 33
CLOUDS B1 SC SC B1 OV OV OV OV OV OV OV B2 B2 B2 B2 OV OV OV OV B2 OV
POP 12HR 5 30 40 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
FRZG RAIN C C S
RAIN S
SNOW S C C
WIND CHILL 10 9 10 12 13 14 12 10 11 12 20 25 26 18 16 9 2 3 5 5 3
MIN CHILL 9 7 10 11 8 9 20 15 1 0 2
WINTER STORM A
DATE SAT 12/13/25 SUN 12/14/25 MON 12/15/25 TUE 12/16/25
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 5 10 -7 20 13 33 17 40
TEMP 11 8 9 6 -2 -2 10 17 18 22 31 26 21 24 37 36
DEWPT 6 6 7 2 -4 -6 4 9 14 18 27 24 21 21 30 30
PWIND DIR NE NE N SE S W SE S
WIND CHAR LT GN LT GN GN GN LT GN
AVG CLOUDS OV OV OV B2 B1 B1 SC FW SC SC SC SC SC SC SC SC
POP 12HR 40 40 5 0 0 0 0 0
SNOW C C
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