231
FOUS53 KFSD 171208
PFMFSD
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SIOUX FALLS SD
708 AM CDT FRI APR 17 2026
IAZ012-172100-
SIOUX CENTER-SIOUX IA
43.08N 96.18W ELEV. 1446 FT
708 AM CDT FRI APR 17 2026
DATE FRI 04/17/26 SAT 04/18/26 SUN 04/19/26
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 59 27 52 30 60
TEMP 43 47 50 48 42 36 29 27 36 46 51 49 39 33 31 31 45 56 60 58
DEWPT 41 36 29 24 24 21 17 15 16 15 13 13 14 16 17 18 22 22 21 20
RH 93 65 44 39 48 54 60 60 43 28 21 23 35 49 56 58 40 26 22 23
WIND DIR N N N NW NW NW NW NW NW NW NW NW NW W W W NW NW NW N
WIND SPD 24 29 27 25 19 16 14 13 20 21 23 18 8 4 5 5 6 9 8 6
WIND GUST 34 37
CLOUDS OV B2 B2 B1 B2 FW CL CL FW CL SC SC FW FW SC SC SC SC SC FW
POP 12HR 40 5 0 0 0
QPF 12HR 0.02 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
TSTMS
WIND CHILL 33 26 18 15 25 33 29 26 25
MIN CHILL 26 15 17 29 24 30
DATE MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 33 71 49 80 50 83 58 78
TEMP 38 34 64 69 56 50 75 77 58 51 79 79 64 59 73 72
DEWPT 21 24 33 36 38 37 41 38 40 46 52 51 54 56 59 52
PWIND DIR E SE S E SE S S S
WIND CHAR GN BZ GN GN GN BZ BZ BZ
AVG CLOUDS FW CL FW SC SC FW FW FW CL CL FW SC SC B1 B1 B1
POP 12HR 0 0 0 0 5 5 40 50
RAIN SHWRS S C C C
TSTMS S S C
IAZ031-172100-
SIOUX CITY-WOODBURY IA
42.40N 96.38W ELEV. 1210 FT
708 AM CDT FRI APR 17 2026
DATE FRI 04/17/26 SAT 04/18/26 SUN 04/19/26
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 53 30 55 31 64
TEMP 47 51 53 50 44 39 33 30 39 50 55 53 43 37 33 32 47 59 64 62
DEWPT 37 34 32 23 24 21 17 16 15 15 13 13 15 17 18 19 22 23 23 22
RH 68 52 44 34 45 48 51 55 37 24 18 20 32 44 53 58 37 25 21 21
WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NW W W W NW NW N N
WIND SPD 21 28 27 23 18 14 13 11 17 19 20 17 6 3 4 4 5 8 8 8
WIND GUST 40 42 40 36 29 25 27 31 33 27
CLOUDS OV B2 B2 B2 B2 FW CL CL CL CL SC SC FW FW FW FW SC SC FW FW
POP 12HR 30 10 0 0 0
QPF 12HR 0.02 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
WIND CHILL 30 23 19 30 33 29 27
MIN CHILL 29 18 20 31 23 29
DATE MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 35 74 50 82 50 84 58 80
TEMP 43 36 66 72 58 52 77 80 59 52 79 81 66 60 75 75
DEWPT 23 25 35 36 37 38 42 39 43 46 54 51 54 56 57 51
PWIND DIR E SE S SW SE S S S
WIND CHAR GN GN GN GN GN BZ BZ BZ
AVG CLOUDS FW CL FW SC SC FW FW CL CL FW FW FW SC B1 B2 SC
POP 12HR 0 0 0 0 5 5 40 50
RAIN SHWRS S C C C
TSTMS S S C
IAZ014-172100-
SPENCER-CLAY IA
43.15N 95.18W ELEV. 1325 FT
708 AM CDT FRI APR 17 2026
DATE FRI 04/17/26 SAT 04/18/26 SUN 04/19/26
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 66 27 49 28 57
TEMP 59 51 48 46 41 36 30 27 35 44 49 47 38 32 30 29 43 54 57 55
DEWPT 57 39 35 30 26 23 19 15 17 17 15 13 15 16 16 18 22 23 23 21
RH 93 63 60 53 55 59 63 60 47 33 25 25 38 51 55 63 43 30 27 26
WIND DIR W NW NW NW NW NW NW NW NW NW NW NW NW W W W NW NW NW N
WIND SPD 18 27 27 23 18 17 16 13 19 21 23 18 9 5 5 5 9 10 10 9
WIND GUST 33 40 40 34 28 32 34
CLOUDS OV B2 B2 B2 B2 SC CL CL FW CL FW FW FW FW FW SC FW SC FW FW
POP 12HR 50 5 0 0 0
QPF 12HR 0.03 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C
TSTMS C
WIND CHILL 32 26 18 15 24 32 26 24 22
MIN CHILL 24 13 14 25 18 24
DATE MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 30 69 48 77 47 81 56 75
TEMP 36 31 61 66 53 49 73 74 55 49 76 76 62 57 71 69
DEWPT 22 23 34 37 40 38 42 42 42 43 53 52 54 54 60 57
PWIND DIR E S S NW SE S S S
WIND CHAR GN BZ GN GN GN BZ BZ BZ
AVG CLOUDS FW CL FW SC SC FW FW FW CL CL FW FW SC SC B1 B1
POP 12HR 0 0 0 0 5 5 30 50
RAIN SHWRS S C C C
TSTMS S S C
IAZ022-172100-
STORM LAKE-BUENA VISTA
42.60N 95.23W ELEV. 1427 FT
708 AM CDT FRI APR 17 2026
DATE FRI 04/17/26 SAT 04/18/26 SUN 04/19/26
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 71 30 51 31 58
TEMP 60 57 52 49 43 39 32 30 37 46 51 49 40 35 33 32 45 55 58 57
DEWPT 59 40 35 26 25 22 20 17 17 16 15 13 14 16 16 19 23 23 23 22
RH 96 53 52 40 49 50 61 58 44 29 23 23 34 45 49 58 41 29 26 25
WIND DIR W NW NW NW N NW NW NW NW NW NW NW NW W W W NW NW NW N
WIND SPD 21 27 27 23 19 18 18 14 19 21 23 18 10 5 6 6 9 10 10 8
WIND GUST 34 37 39 33 29 33 34
CLOUDS B2 B2 B2 B2 B1 B1 FW CL CL CL FW FW FW FW FW SC FW SC SC FW
POP 12HR 30 10 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
TSTMS S
WIND CHILL 30 20 19 26 33 30 27 26
MIN CHILL 28 17 18 27 23 28
DATE MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 33 69 51 78 50 81 57 75
TEMP 39 34 62 67 55 52 74 75 57 51 76 77 63 59 72 72
DEWPT 24 25 34 38 40 40 43 42 43 46 54 52 55 56 60 56
PWIND DIR E SE S SW SE S S S
WIND CHAR GN BZ BZ GN GN BZ BZ BZ
AVG CLOUDS FW CL FW SC SC FW FW FW CL FW FW SC SC SC B1 B1
POP 12HR 0 0 5 0 5 5 30 50
RAIN SHWRS S C C C
TSTMS S S C
MNZ072-172100-
MARSHALL-LYON MN
44.47N 95.82W ELEV. 1151 FT
708 AM CDT FRI APR 17 2026
DATE FRI 04/17/26 SAT 04/18/26 SUN 04/19/26
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 46 27 47 30 52
TEMP 36 39 45 43 36 33 29 27 33 41 46 45 37 34 32 30 41 49 52 50
DEWPT 31 30 25 25 22 18 15 14 15 13 12 13 16 19 21 21 21 19 19 19
RH 82 70 45 49 56 53 55 57 47 31 25 27 42 54 63 69 44 30 27 29
WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NW W W NW NW NW N N
WIND SPD 19 27 28 24 20 17 16 16 20 21 21 18 10 6 8 8 10 10 10 9
WIND GUST 36 37
CLOUDS OV B2 B1 SC B2 SC SC SC FW CL FW SC SC SC SC SC FW FW CL FW
POP 12HR 60 5 0 0 0
QPF 12HR 0.05 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L S
TSTMS S
WIND CHILL 31 28 34 33 25 22 17 14 21 31 30 28 25 22
MIN CHILL 31 27 30 21 13 14 34 26 19 24
DATE MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 30 71 46 74 48 82 59 79
TEMP 35 32 61 69 55 48 70 72 55 50 77 80 65 60 73 72
DEWPT 20 23 29 34 37 37 37 39 39 41 47 49 52 54 56 52
PWIND DIR E S SW N SE S S S
WIND CHAR LT BZ GN GN GN BZ BZ BZ
AVG CLOUDS CL CL FW SC SC FW FW CL CL CL FW SC SC SC B1 B1
POP 12HR 0 0 0 0 0 5 30 50
RAIN SHWRS C C C
TSTMS S
MNZ081-172100-
WINDOM-COTTONWOOD MN
43.87N 95.12W ELEV. 1355 FT
708 AM CDT FRI APR 17 2026
DATE FRI 04/17/26 SAT 04/18/26 SUN 04/19/26
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 45 27 47 30 54
TEMP 35 43 44 43 37 33 29 27 33 43 47 45 37 32 31 30 42 51 54 51
DEWPT 34 34 32 28 24 20 16 15 15 14 12 12 16 17 20 20 21 20 19 18
RH 96 70 62 55 59 58 58 60 47 30 24 26 42 53 63 66 43 29 25 27
WIND DIR N NW NW NW NW NW NW NW NW NW NW NW NW W W NW NW NW N N
WIND SPD 20 28 27 23 20 18 16 14 19 21 21 18 9 5 5 6 9 11 11 9
WIND GUST 33 39 37
CLOUDS OV B2 B2 SC B2 SC FW FW FW CL FW SC FW SC SC SC FW FW FW FW
POP 12HR 70 5 0 0 0
QPF 12HR 0.15 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L S
TSTMS C
WIND CHILL 33 27 22 17 15 21 34 30 26 25 23
MIN CHILL 34 32 22 14 15 26 23 26
DATE MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 30 68 47 76 47 81 57 76
TEMP 35 31 60 66 53 48 72 73 55 49 76 78 63 58 72 70
DEWPT 21 22 30 35 38 37 38 38 40 43 48 49 52 54 56 55
PWIND DIR E S SW NW SE S S S
WIND CHAR LT BZ GN GN GN BZ BZ BZ
AVG CLOUDS CL CL FW SC SC FW FW CL CL CL FW SC SC B1 B1 B1
POP 12HR 0 0 0 0 5 5 30 50
RAIN SHWRS C C C
TSTMS S
MNZ089-172100-
WORTHINGTON-NOBLES MN
43.65N 95.58W ELEV. 1584 FT
708 AM CDT FRI APR 17 2026
DATE FRI 04/17/26 SAT 04/18/26 SUN 04/19/26
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 59 27 47 29 55
TEMP 35 44 46 44 38 33 29 27 33 43 47 45 37 32 30 30 42 51 55 53
DEWPT 33 34 30 27 25 21 16 14 15 13 11 11 14 16 18 20 21 20 18 18
RH 92 68 53 51 59 61 58 57 47 29 23 25 38 51 60 66 43 29 23 25
WIND DIR N NW NW NW NW NW NW NW NW NW NW NW NW W W NW NW NW N N
WIND SPD 21 28 28 23 20 18 17 16 20 21 23 19 10 5 6 8 10 11 10 9
WIND GUST 34 39 39
CLOUDS OV B2 B2 SC B2 FW FW FW FW CL FW SC FW FW SC SC FW FW FW FW
POP 12HR 70 5 0 0 0
QPF 12HR 0.04 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C
TSTMS C
WIND CHILL 28 22 17 14 21 34 30 26 23 22
MIN CHILL 34 22 13 15 26 19 24
DATE MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 30 69 47 76 47 81 57 76
TEMP 35 31 61 66 53 48 72 74 55 49 76 78 63 58 71 70
DEWPT 20 22 30 34 38 36 38 36 39 43 49 48 53 54 57 54
PWIND DIR E S SW N SE S S S
WIND CHAR GN BZ GN GN GN BZ BZ BZ
AVG CLOUDS CL CL FW SC SC FW FW CL CL CL FW SC SC B1 B1 B1
POP 12HR 0 0 0 0 5 5 30 50
RAIN SHWRS S C C C
TSTMS S S
SDZ040-172100-
BROOKINGS-BROOKINGS SD
44.30N 96.80W ELEV. 1617 FT
708 AM CDT FRI APR 17 2026
DATE FRI 04/17/26 SAT 04/18/26 SUN 04/19/26
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 45 24 47 28 53
TEMP 35 41 45 41 34 31 26 24 31 40 45 45 35 31 30 28 41 50 53 51
DEWPT 33 30 23 23 21 18 14 13 14 13 12 13 15 19 19 19 21 21 20 20
RH 92 65 41 48 58 58 60 62 49 33 26 27 43 61 63 68 44 31 27 29
WIND DIR N N NW NW NW NW NW NW NW NW NW NW NW W W NW N NW N N
WIND SPD 19 28 26 25 20 16 14 13 20 21 23 19 9 5 5 5 8 10 9 8
WIND GUST 39 41 39 36 32 24 31 33 34 31
CLOUDS OV B2 B2 B2 B2 FW FW FW FW CL FW SC SC SC SC SC FW FW FW CL
POP 12HR 50 5 0 0 0
QPF 12HR 0.02 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C
WIND CHILL 30 30 30 23 20 13 11 19 29 28 25 24 22
MIN CHILL 34 26 29 19 10 11 31 25 22 24
DATE MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 30 70 43 75 48 82 57 76
TEMP 35 31 61 68 52 45 71 73 55 50 77 79 63 58 72 70
DEWPT 19 20 30 33 35 35 36 39 37 40 49 47 51 53 54 49
PWIND DIR E S S NE SE S S S
WIND CHAR GN BZ GN GN GN BZ BZ BZ
AVG CLOUDS CL CL FW SC SC FW FW CL CL FW FW SC SC B1 B1 B1
POP 12HR 0 0 0 0 5 10 40 60
RAIN SHWRS S C C L
TSTMS S
SDZ050-172100-
BURKE-GREGORY SD
43.18N 99.29W ELEV. 2142 FT
708 AM CDT FRI APR 17 2026
DATE FRI 04/17/26 SAT 04/18/26 SUN 04/19/26
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 47 25 51 29 62
TEMP 37 46 47 45 39 32 27 25 37 44 49 50 40 35 32 30 45 57 62 60
DEWPT 31 23 22 19 16 16 15 14 15 15 16 15 16 17 18 19 23 24 23 24
RH 79 40 37 35 39 51 60 62 40 30 26 24 37 47 56 63 41 28 22 25
WIND DIR NW NW NW NW NW NW NW W NW NW NW NW NW SW SW SW NW NE NE E
WIND SPD 20 33 31 28 21 14 13 12 21 26 27 21 9 5 8 8 10 10 11 11
WIND GUST 47 46 43 40 34 32 37 40 32
CLOUDS OV OV OV OV SC FW FW FW FW FW SC SC SC FW FW FW SC FW FW FW
POP 12HR 10 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
WIND CHILL 27 29 21 15 13 26 34 30 26 23
MIN CHILL 27 26 21 12 14 29 20 27
DATE MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 35 78 46 80 53 84 56 76
TEMP 41 36 66 76 56 48 74 78 60 54 79 81 65 57 69 69
DEWPT 21 22 31 30 30 31 34 33 35 41 48 46 51 46 45 43
PWIND DIR SE S SW E SE S S SW
WIND CHAR GN BZ GN GN GN BZ BZ WY
AVG CLOUDS FW FW FW SC SC FW FW CL FW FW SC SC SC SC B1 SC
POP 12HR 0 0 0 0 0 10 40 40
RAIN SHWRS C C C C
SDZ057-172100-
CHAMBERLAIN-BRULE SD
43.77N 99.32W ELEV. 1565 FT
708 AM CDT FRI APR 17 2026
DATE FRI 04/17/26 SAT 04/18/26 SUN 04/19/26
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 48 24 52 29 62
TEMP 36 46 48 45 38 32 26 24 35 45 51 51 40 35 32 30 44 56 62 60
DEWPT 29 25 22 18 18 17 17 16 17 16 16 16 17 19 21 20 23 24 24 24
RH 75 43 35 33 44 53 68 71 47 31 24 24 39 52 63 66 43 29 23 25
WIND DIR NW NW NW NW NW NW W W NW NW NW NW NW SW SW SW NE NE NE E
WIND SPD 19 28 27 24 18 12 10 10 18 23 24 18 8 4 4 4 6 9 9 10
WIND GUST 40 39 40 35 29 33 34 29
CLOUDS OV B2 OV OV SC FW FW FW FW FW SC SC SC SC SC SC SC SC FW CL
POP 12HR 20 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
WIND CHILL 29 28 22 15 14 25 31 27 25
MIN CHILL 28 27 22 13 14 30 23 28
DATE MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 36 79 44 80 51 87 55 77
TEMP 41 36 66 77 55 45 73 78 60 54 80 83 65 56 71 70
DEWPT 21 22 31 32 32 34 34 34 35 40 47 46 51 49 46 44
PWIND DIR E S SW E SE SE S SW
WIND CHAR GN BZ GN GN GN BZ BZ BZ
AVG CLOUDS FW FW FW SC SC FW FW CL FW FW SC SC SC B1 B1 B1
POP 12HR 0 0 0 0 0 10 40 40
RAIN SHWRS C C C C
TSTMS S
SDZ038-172100-
HURON-BEADLE SD
44.38N 98.22W ELEV. 1282 FT
708 AM CDT FRI APR 17 2026
DATE FRI 04/17/26 SAT 04/18/26 SUN 04/19/26
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 49 23 51 28 57
TEMP 36 46 49 44 37 32 25 23 34 43 50 49 37 32 30 28 42 53 57 55
DEWPT 29 23 22 21 18 16 15 14 14 13 13 14 16 17 19 18 21 21 21 20
RH 75 40 34 39 46 51 65 68 43 29 22 24 42 53 63 66 43 28 24 25
WIND DIR N NW NW NW NW NW NW W NW NW NW NW NW W W NW N N N NE
WIND SPD 21 28 27 23 18 13 12 11 18 20 21 18 8 5 5 5 6 9 9 8
WIND GUST 41 40 34 28 32
CLOUDS OV B2 B2 OV SC FW FW FW FW FW SC SC SC FW SC SC SC SC FW FW
POP 12HR 30 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
WIND CHILL 27 27 22 14 11 23 31 26 24 22
MIN CHILL 25 26 21 11 13 26 20 25
DATE MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 33 76 42 80 50 86 57 79
TEMP 38 34 63 73 53 43 72 77 57 52 80 83 66 59 73 73
DEWPT 20 20 31 33 33 34 34 36 35 40 48 47 51 53 48 46
PWIND DIR E S SE NE SE SE SE S
WIND CHAR GN BZ GN GN GN BZ BZ BZ
AVG CLOUDS FW FW FW SC SC FW FW CL CL FW FW SC SC B1 B1 SC
POP 12HR 0 0 0 0 5 10 40 50
RAIN SHWRS C C C C
SDZ059-172100-
MITCHELL-DAVISON SD
43.76N 98.02W ELEV. 1312 FT
708 AM CDT FRI APR 17 2026
DATE FRI 04/17/26 SAT 04/18/26 SUN 04/19/26
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 51 24 52 29 60
TEMP 38 47 51 47 40 33 26 24 36 46 52 50 40 34 32 30 44 56 60 58
DEWPT 29 25 23 22 19 17 15 14 14 14 14 15 16 17 18 19 22 22 23 22
RH 70 42 33 37 42 51 62 65 40 27 22 24 37 49 56 63 41 26 24 25
WIND DIR N N NW NW NW NW NW W NW NW NW NW NW SW W NW N N N NE
WIND SPD 24 31 29 25 20 13 12 11 18 21 25 19 9 5 5 5 6 9 10 9
WIND GUST 47 43 42 35 31 28 33 36 29
CLOUDS OV B2 B2 OV B1 FW FW FW FW CL SC SC FW FW SC SC SC SC FW FW
POP 12HR 20 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
WIND CHILL 32 30 23 15 13 25 34 29 26 24
MIN CHILL 27 29 23 12 14 28 22 26
DATE MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 33 76 44 82 51 87 58 80
TEMP 39 34 67 74 55 45 75 79 59 52 81 83 65 59 74 74
DEWPT 20 21 33 33 33 34 36 37 37 42 50 49 52 54 49 47
PWIND DIR E S SW NE SE SE SE S
WIND CHAR GN BZ GN GN GN BZ BZ BZ
AVG CLOUDS FW CL FW SC SC FW FW CL CL FW FW SC SC B1 B2 SC
POP 12HR 0 0 0 0 5 10 50 50
RAIN SHWRS C C C C
SDZ062-172100-
SIOUX FALLS-MINNEHAHA SD
43.57N 96.73W ELEV. 1424 FT
708 AM CDT FRI APR 17 2026
DATE FRI 04/17/26 SAT 04/18/26 SUN 04/19/26
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 50 26 51 29 59
TEMP 38 45 50 46 39 35 28 26 35 45 50 49 39 33 31 30 44 55 59 57
DEWPT 33 31 22 23 21 18 15 14 14 13 12 13 14 16 17 19 21 19 20 20
RH 82 58 33 40 48 49 58 60 41 27 21 23 35 49 56 63 39 24 22 23
WIND DIR N N NW NW NW NW NW NW NW NW NW NW NW W W NW N N N N
WIND SPD 21 27 27 23 18 13 13 12 18 21 21 18 8 3 4 4 5 8 8 6
WIND GUST 42 41 41 34 29 24 29 33 34 28
CLOUDS OV B2 B2 B2 B2 FW FW FW FW CL FW SC FW FW SC SC SC SC FW FW
POP 12HR 40 5 0 0 0
QPF 12HR 0.01 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
WIND CHILL 30 25 17 15 24 33 30 26 25
MIN CHILL 31 23 13 14 26 23 28
DATE MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 33 72 46 80 50 84 59 79
TEMP 38 34 64 70 55 47 74 78 58 51 79 81 65 59 74 73
DEWPT 20 22 31 34 36 34 37 35 38 43 50 49 53 55 53 49
PWIND DIR E S S NE SE S SE S
WIND CHAR GN BZ GN GN GN BZ BZ BZ
AVG CLOUDS FW CL FW SC SC FW FW FW CL FW FW SC SC B1 B2 B1
POP 12HR 0 0 0 0 5 5 40 50
RAIN SHWRS S C C C
TSTMS S S
SDZ070-172100-
VERMILLION-CLAY SD
42.95N 96.92W ELEV. 1132 FT
708 AM CDT FRI APR 17 2026
DATE FRI 04/17/26 SAT 04/18/26 SUN 04/19/26
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 50 28 54 31 64
TEMP 42 48 50 48 42 38 31 28 38 49 54 52 42 36 33 31 47 59 63 62
DEWPT 34 31 24 22 21 19 16 15 14 14 13 12 14 16 18 18 22 22 21 21
RH 73 51 36 35 43 46 53 58 37 24 19 20 31 43 53 58 37 24 20 20
WIND DIR NW N NW NW NW NW NW NW NW NW NW NW NW W W W NW N N N
WIND SPD 23 31 27 25 19 14 13 12 18 21 23 18 8 4 5 5 5 9 9 8
WIND GUST 43 42 41 36 29 33 34 28
CLOUDS OV B2 B2 B2 B2 SC FW CL CL CL SC SC FW FW SC FW SC SC FW FW
POP 12HR 20 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
WIND CHILL 33 29 21 17 28 32 28 26
MIN CHILL 28 17 19 31 24 30
DATE MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 35 76 50 83 51 86 59 81
TEMP 42 36 66 73 58 51 77 81 60 53 80 82 66 60 77 75
DEWPT 21 24 34 33 35 36 39 36 41 45 52 49 54 55 53 48
PWIND DIR E SE S NE SE S S S
WIND CHAR GN BZ GN GN GN BZ BZ BZ
AVG CLOUDS FW CL FW SC SC FW FW FW CL CL FW SC SC B1 B2 B1
POP 12HR 0 0 0 0 5 5 40 50
RAIN SHWRS C C C C
TSTMS S S S
SDZ069-172100-
YANKTON-YANKTON SD
42.95N 97.39W ELEV. 1207 FT
708 AM CDT FRI APR 17 2026
DATE FRI 04/17/26 SAT 04/18/26 SUN 04/19/26
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 50 27 54 31 62
TEMP 40 48 50 48 42 37 30 27 37 48 53 52 41 35 33 31 45 58 62 60
DEWPT 31 31 22 22 21 18 16 14 14 14 13 14 16 17 18 18 22 22 22 23
RH 70 51 33 35 43 46 55 57 38 25 20 22 36 47 53 58 40 25 21 24
WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NW W W W NW N N N
WIND SPD 26 33 29 26 20 14 13 12 19 23 24 19 8 4 5 5 6 9 9 9
WIND GUST 47 41 31 33 34 29
CLOUDS OV B1 B2 B2 B2 FW FW FW FW CL SC SC FW FW SC SC SC SC FW FW
POP 12HR 10 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
WIND CHILL 33 28 19 16 27 31 28 26
MIN CHILL 33 28 16 17 30 25 30
DATE MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 35 76 49 82 52 85 59 80
TEMP 42 36 65 73 57 50 75 80 60 53 79 82 66 61 75 74
DEWPT 21 23 33 33 34 34 38 36 40 44 52 49 54 55 50 49
PWIND DIR E SE S NE SE SE SE S
WIND CHAR GN BZ GN GN GN BZ BZ BZ
AVG CLOUDS FW CL FW SC SC FW FW CL CL FW FW SC SC B1 B2 SC
POP 12HR 0 0 0 0 5 5 40 50
RAIN SHWRS C C C C
TSTMS S S S
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page