938
FOUS53 KFSD 151148
PFMFSD
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SIOUX FALLS SD
647 AM CDT FRI MAY 15 2026
IAZ012-152100-
SIOUX CENTER-SIOUX IA
43.08N 96.18W ELEV. 1446 FT
647 AM CDT FRI MAY 15 2026
DATE FRI 05/15/26 SAT 05/16/26 SUN 05/17/26
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 90 52 84 56 88
TEMP 56 74 85 89 84 68 61 55 56 71 79 82 80 68 62 58 62 70 81 87 82
DEWPT 49 53 49 48 50 48 43 41 39 40 39 41 45 48 53 56 60 61 63 60 60
RH 77 48 29 24 31 49 51 59 53 32 24 23 29 49 72 93 93 73 54 40 47
WIND DIR SE S SW SW NW N NE N N NE E E E E E SE SE SE S S S
WIND SPD 4 3 6 8 8 8 5 4 8 10 11 13 14 14 16 19 19 25 27 25 20
CLOUDS FW CL CL CL SC SC FW FW SC SC B2 B2 OV B1 B1 OV OV B1 SC B1 SC
POP 12HR 20 5 20 70 70
QPF 12HR 0 0 0 0.61 0.12
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C L L L L L L D
TSTMS S S C C C C S S C C
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 46 60 38 64 42 72
TEMP 63 57 70 70 56 50 57 58 44 40 60 63 48 46 67 70
DEWPT 59 57 59 56 52 46 44 39 36 36 39 39 39 40 45 44
PWIND DIR SW NE NW NW NW NW NE SE
WIND CHAR GN BZ BZ WY GN GN LT GN
AVG CLOUDS B1 B2 B2 B1 B2 B2 OV B1 SC SC SC SC B1 SC B1 SC
POP 12HR 80 80 70 5 0 5 10 10
RAIN SHWRS D L C D L C
TSTMS C C S C C S
IAZ031-152100-
SIOUX CITY-WOODBURY IA
42.40N 96.38W ELEV. 1210 FT
647 AM CDT FRI MAY 15 2026
DATE FRI 05/15/26 SAT 05/16/26 SUN 05/17/26
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 93 52 86 57 92
TEMP 59 73 87 92 89 72 64 58 56 71 81 85 83 71 66 62 60 72 84 91 86
DEWPT 48 55 53 51 49 49 48 46 45 45 44 46 48 52 57 60 60 61 61 60 57
RH 67 53 31 25 25 44 56 64 66 39 27 26 30 51 73 93100 68 46 36 37
WIND DIR E SE E S NW NE E NE N E E E E E E SE SE SE S S S
WIND SPD 4 3 8 8 8 8 5 4 5 8 12 13 14 14 14 16 17 23 25 25 21
WIND GUST 26 27 35 37 40 35
CLOUDS FW CL CL FW FW SC SC FW B1 SC B2 B2 B2 B1 B2 B2 B2 SC SC SC SC
POP 12HR 20 30 20 70 70
QPF 12HR 0 0.02 0.01 0.55 0.05
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S L L L L L L L L D
TSTMS S S S C C C S S S C C
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 82 46 63 38 67 42 74
TEMP 66 58 75 75 58 50 59 61 47 42 63 66 51 47 70 73
DEWPT 60 58 59 55 52 45 43 37 37 36 39 37 39 40 44 42
PWIND DIR SW N NW NW NW NW NE SE
WIND CHAR GN BZ BZ BZ GN GN LT GN
AVG CLOUDS B1 B2 B2 B1 B1 B2 B2 B1 SC FW SC SC SC SC B1 SC
POP 12HR 80 70 70 5 0 0 10 10
RAIN SHWRS D L C L L C
TSTMS C C S C C S
IAZ014-152100-
SPENCER-CLAY IA
43.15N 95.18W ELEV. 1325 FT
647 AM CDT FRI MAY 15 2026
DATE FRI 05/15/26 SAT 05/16/26 SUN 05/17/26
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 90 51 83 55 86
TEMP 54 73 84 88 83 66 59 54 55 71 77 81 78 66 60 57 60 68 78 85 80
DEWPT 46 54 49 50 54 52 48 44 41 43 42 43 48 49 52 54 57 62 64 65 64
RH 74 51 30 27 37 61 67 69 59 36 29 26 35 54 75 90 90 81 62 51 58
WIND DIR S S S SW W N NE N N NE E E E E E E SE SE S S S
WIND SPD 2 4 8 10 8 5 5 4 6 9 10 12 12 12 13 16 18 21 26 25 23
WIND GUST 32 39 39 34
CLOUDS FW CL CL FW FW B1 SC FW SC SC B1 B2 B2 B2 B1 B2 OV B2 B1 B1 B1
POP 12HR 30 30 10 80 80
QPF 12HR 0.01 0.02 0 0.40 0.15
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C D D D D C C D
TSTMS S C C C C C C S C C
HEAT INDEX 82
MAX HEAT 82 86 81 87
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 80 48 63 38 64 41 71
TEMP 64 58 73 74 58 52 59 58 44 40 59 62 47 45 67 69
DEWPT 59 57 61 62 54 47 46 42 37 35 40 39 39 39 45 45
PWIND DIR S E W NW NW NW NE E
WIND CHAR GN BZ BZ WY GN GN LT GN
AVG CLOUDS B1 B2 B2 B1 B1 B1 B2 B1 SC SC SC FW B1 SC B1 SC
POP 12HR 80 70 80 10 0 5 10 10
RAIN SHWRS D L C L D C
TSTMS C C C C C S
IAZ022-152100-
STORM LAKE-BUENA VISTA
42.60N 95.23W ELEV. 1427 FT
647 AM CDT FRI MAY 15 2026
DATE FRI 05/15/26 SAT 05/16/26 SUN 05/17/26
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 90 55 83 59 87
TEMP 58 74 84 89 84 68 63 58 58 72 79 81 79 67 63 60 63 72 81 86 82
DEWPT 46 54 52 52 54 54 51 49 48 46 45 47 50 51 55 58 60 61 63 63 62
RH 64 50 33 28 36 61 65 72 69 39 30 30 36 56 75 93 90 68 54 46 51
WIND DIR S SE SE S SW N N NE NE NE E E E E SE SE SE SE S S S
WIND SPD 8 5 10 11 8 6 6 5 8 11 12 14 13 13 14 16 18 23 26 28 24
WIND GUST 33 39 41 35
CLOUDS FW CL CL FW FW B2 SC SC SC B1 B2 B2 B2 B1 B2 B2 B2 B1 SC SC SC
POP 12HR 40 50 30 80 60
QPF 12HR 0 0.17 0.02 0.55 0.05
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C L L D D L L C C D
TSTMS C C S S C C C C S C C
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 60 83 51 64 41 65 44 71
TEMP 66 65 77 76 61 54 60 60 47 43 60 62 49 48 67 69
DEWPT 60 61 62 61 55 49 46 41 37 37 40 39 39 40 44 44
PWIND DIR S S SW NW NW NW NE E
WIND CHAR BZ BZ BZ BZ GN GN GN GN
AVG CLOUDS B1 B2 B2 B1 B1 B2 B2 B1 SC SC SC FW SC SC B1 SC
POP 12HR 80 80 70 10 0 0 5 10
RAIN SHWRS D L C D L C
TSTMS C L C C C S
MNZ072-152100-
MARSHALL-LYON MN
44.47N 95.82W ELEV. 1151 FT
647 AM CDT FRI MAY 15 2026
DATE FRI 05/15/26 SAT 05/16/26 SUN 05/17/26
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 88 51 82 53 82
TEMP 59 75 83 86 83 68 61 55 54 68 76 80 79 67 63 58 55 63 73 80 76
DEWPT 41 43 37 38 40 37 34 32 33 36 34 34 37 40 42 48 51 57 59 61 61
RH 51 32 19 18 22 32 36 41 45 31 22 19 22 37 46 69 86 81 62 52 60
WIND DIR SW W W W W W W W NW N NE NE E E E E E SE SE SE SE
WIND SPD 8 10 10 12 13 8 6 6 6 8 8 8 11 11 12 14 18 19 21 18 16
CLOUDS FW CL CL FW FW SC FW FW SC SC SC SC B1 B1 B1 B2 OV B2 B2 B2 B1
POP 12HR 0 0 0 70 90
QPF 12HR 0 0 0 0.23 0.39
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L D D L L L
TSTMS S S S S C C
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 67 45 58 37 61 42 71
TEMP 62 51 62 64 55 48 54 54 44 40 57 60 48 46 66 69
DEWPT 55 51 51 54 50 45 41 38 36 35 36 37 38 39 41 43
PWIND DIR SW N NW NW NW NW E SE
WIND CHAR GN BZ BZ WY GN GN GN GN
AVG CLOUDS B2 B2 B1 B1 B2 B2 OV B2 B1 SC SC B1 B1 SC B1 SC
POP 12HR 70 70 80 10 0 5 10 5
RAIN SHWRS L C C L D C
TSTMS C C S
MNZ081-152100-
WINDOM-COTTONWOOD MN
43.87N 95.12W ELEV. 1355 FT
647 AM CDT FRI MAY 15 2026
DATE FRI 05/15/26 SAT 05/16/26 SUN 05/17/26
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 87 50 81 53 82
TEMP 60 74 84 87 81 67 59 54 54 70 77 80 79 66 60 58 56 65 74 81 78
DEWPT 48 48 40 42 48 45 40 37 36 37 35 37 40 43 45 50 55 59 60 62 62
RH 64 40 21 21 32 45 49 52 50 30 22 21 25 43 58 75 96 81 62 53 58
WIND DIR SW SW W SW W NW S NW NW N NE E E E E E E SE SE S S
WIND SPD 8 5 8 10 9 5 4 3 5 8 8 8 10 11 12 14 17 20 24 24 19
WIND GUST 20
CLOUDS FW CL CL CL SC FW SC FW SC SC B1 B2 OV B1 B1 B2 OV B2 B2 B1 B1
POP 12HR 10 5 5 70 90
QPF 12HR 0 0 0 0.25 0.38
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S L L D D L L D
TSTMS S C C S S S C C
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 53 73 47 60 37 61 41 70
TEMP 62 55 67 69 56 50 57 56 43 40 58 60 46 45 66 68
DEWPT 57 54 55 57 52 47 43 39 35 35 36 37 37 39 41 42
PWIND DIR SW N NW NW NW NW E SE
WIND CHAR BZ GN BZ WY GN GN LT GN
AVG CLOUDS B1 B2 B1 B1 B1 B2 OV B1 B1 SC SC SC B1 SC B1 SC
POP 12HR 80 80 80 10 0 5 10 5
RAIN SHWRS D L C D D C
TSTMS C C S C C S
MNZ089-152100-
WORTHINGTON-NOBLES MN
43.65N 95.58W ELEV. 1584 FT
647 AM CDT FRI MAY 15 2026
DATE FRI 05/15/26 SAT 05/16/26 SUN 05/17/26
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 88 51 81 54 84
TEMP 60 74 84 86 82 66 60 54 55 70 77 80 79 66 60 56 59 65 76 83 79
DEWPT 49 48 41 43 47 45 39 37 36 36 35 37 41 44 47 52 56 59 60 61 60
RH 67 40 22 22 29 47 46 52 49 29 22 21 26 45 62 86 90 81 58 47 52
WIND DIR SW SW W W NW N NE NW N NE E E E E E E SE SE SE S S
WIND SPD 8 5 8 10 9 8 6 5 8 10 10 11 12 13 14 17 18 20 24 24 19
WIND GUST 34
CLOUDS FW CL CL CL FW SC SC FW SC SC B1 B2 OV B1 B1 B2 OV B2 B1 B1 SC
POP 12HR 10 5 10 80 90
QPF 12HR 0 0 0 0.36 0.27
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C D D D D L L D
TSTMS S C C C S S C C
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 53 73 46 59 37 62 41 70
TEMP 63 55 67 68 56 50 56 56 43 40 58 60 46 45 66 68
DEWPT 57 55 55 56 52 46 42 38 35 35 36 36 37 39 42 42
PWIND DIR SW NE NW NW NW NW NE SE
WIND CHAR BZ BZ BZ WY GN GN GN GN
AVG CLOUDS B1 B2 B2 B1 B1 B2 OV B1 B1 SC SC SC B1 SC B1 SC
POP 12HR 80 80 80 10 0 5 10 5
RAIN SHWRS D L C D D C
TSTMS C C S C C S
SDZ040-152100-
BROOKINGS-BROOKINGS SD
44.30N 96.80W ELEV. 1617 FT
647 AM CDT FRI MAY 15 2026
DATE FRI 05/15/26 SAT 05/16/26 SUN 05/17/26
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 47 82 51 81
TEMP 53 72 81 84 81 64 56 51 50 68 76 80 79 65 61 56 52 62 73 80 75
DEWPT 39 41 37 38 37 35 33 31 31 33 32 33 36 38 42 48 51 57 59 59 59
RH 59 33 21 19 21 34 42 46 48 27 20 18 21 37 49 74 96 84 62 49 58
WIND DIR SW NW W W W NW N N N NE E E E E E E E SE SE S SE
WIND SPD 5 6 10 13 14 8 4 5 4 9 9 11 16 16 18 20 20 20 20 18 16
WIND GUST 21 26 29 33 33 33 33 29
CLOUDS FW CL CL FW FW SC FW SC B1 SC SC SC B1 SC B2 OV OV B2 B2 B1 B1
POP 12HR 0 0 0 70 90
QPF 12HR 0 0 0 0.39 0.39
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L D D L L L
TSTMS C C S C C C
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 46 64 41 55 34 61 39 71
TEMP 57 47 60 61 50 44 51 52 41 37 57 59 45 42 66 69
DEWPT 54 47 49 51 48 42 39 36 35 34 35 36 38 37 41 42
PWIND DIR NW N N NW NW NW E SE
WIND CHAR GN BZ BZ WY GN GN LT GN
AVG CLOUDS B1 B2 B2 B2 B2 B2 OV B2 B1 SC SC B1 SC SC B1 SC
POP 12HR 70 70 80 10 0 5 10 5
RAIN SHWRS L C C L D C S
TSTMS C S C S
SDZ050-152100-
BURKE-GREGORY SD
43.18N 99.29W ELEV. 2142 FT
647 AM CDT FRI MAY 15 2026
DATE FRI 05/15/26 SAT 05/16/26 SUN 05/17/26
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 50 81 53 78
TEMP 54 72 78 81 80 65 58 53 51 67 75 79 78 68 62 57 54 66 73 77 73
DEWPT 36 41 41 40 37 36 34 32 32 34 36 38 42 46 52 53 54 57 54 53 51
RH 50 33 27 23 21 34 40 44 48 29 24 23 28 45 70 86100 73 51 43 46
WIND DIR W NW N NW N NE NE N NE E E SE SE E SE E E SE NW NW NW
WIND SPD 3 5 9 16 16 9 5 6 8 13 19 21 20 19 19 17 14 14 13 17 21
WIND GUST 16 32 31 31 32
CLOUDS FW CL CL FW SC SC FW SC B1 SC SC SC SC B2 OV B2 OV B2 B1 B1 SC
POP 12HR 0 0 5 80 60
QPF 12HR 0 0 0 0.52 0.12
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L D D L L C C L
TSTMS C C S S C C S
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 44 56 38 53 34 64 42 72
TEMP 54 45 53 54 45 40 48 52 40 37 59 62 48 44 66 70
DEWPT 49 44 44 44 43 37 36 34 34 32 36 37 38 37 41 42
PWIND DIR NW N NW NW NW W SE S
WIND CHAR BZ WY WY WY GN GN GN BZ
AVG CLOUDS B1 B2 OV B2 B2 B2 B2 B1 SC FW B1 B1 B1 B1 B2 SC
POP 12HR 70 70 60 5 0 5 10 10
RAIN SHWRS L C C L L C
TSTMS S S
SDZ057-152100-
CHAMBERLAIN-BRULE SD
43.77N 99.32W ELEV. 1565 FT
647 AM CDT FRI MAY 15 2026
DATE FRI 05/15/26 SAT 05/16/26 SUN 05/17/26
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 48 83 53 78
TEMP 50 69 78 81 81 65 58 53 50 68 76 81 81 69 64 59 55 64 72 76 73
DEWPT 39 40 37 36 35 36 34 32 32 34 34 36 39 43 48 51 54 57 55 54 51
RH 66 35 23 20 19 34 40 44 50 28 22 20 22 39 56 75 96 78 55 46 46
WIND DIR W NW NW NW N NE N NE NE E E SE SE E E E E SE W NW NW
WIND SPD 4 8 9 14 13 6 4 5 5 10 14 18 18 17 18 16 14 12 11 16 17
WIND GUST 27 29
CLOUDS FW CL CL FW SC FW SC SC B1 SC FW FW SC B1 OV OV OV B2 B1 SC B1
POP 12HR 0 0 0 90 60
QPF 12HR 0 0 0 0.36 0.14
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C D D L L C C L
TSTMS S C C S S C C S
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 44 58 38 55 34 66 42 74
TEMP 55 45 54 55 46 41 49 53 41 38 60 64 49 45 68 72
DEWPT 48 43 43 43 43 38 35 34 35 34 36 37 39 38 41 42
PWIND DIR NW N NW NW NE NE E SE
WIND CHAR BZ BZ WY WY GN GN GN GN
AVG CLOUDS B1 B2 OV B2 OV OV B2 B1 SC FW SC SC B1 B1 B1 SC
POP 12HR 60 80 70 10 0 5 10 10
RAIN SHWRS L C C D L C
TSTMS S S
SDZ038-152100-
HURON-BEADLE SD
44.38N 98.22W ELEV. 1282 FT
647 AM CDT FRI MAY 15 2026
DATE FRI 05/15/26 SAT 05/16/26 SUN 05/17/26
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 86 47 84 53 79
TEMP 51 70 80 84 82 64 56 50 49 68 77 82 81 66 61 56 54 63 73 77 73
DEWPT 38 37 34 34 34 33 31 29 30 33 31 32 35 39 43 48 53 55 57 58 55
RH 61 30 19 17 18 31 38 44 48 27 18 16 19 37 51 74 96 75 57 52 53
WIND DIR S NW NW W NW NW NW NW NW NE E E E E E E E SE SE N N
WIND SPD 4 6 9 13 13 6 5 6 4 8 10 13 16 16 18 19 18 17 14 14 17
WIND GUST 17 19 26 29 31 28 27 25
CLOUDS FW CL CL FW FW FW FW SC SC FW SC SC SC SC B2 OV OV B2 B2 B1 B1
POP 12HR 0 0 0 80 80
QPF 12HR 0 0 0 0.35 0.31
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D D D D L L L
TSTMS C S C C S
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 44 61 39 56 33 65 40 74
TEMP 53 45 58 58 47 41 50 54 39 36 59 63 46 42 68 72
DEWPT 50 45 45 46 45 40 36 34 34 34 35 37 38 38 41 43
PWIND DIR N N NW NW NW N E S
WIND CHAR BZ BZ BZ WY GN GN LT GN
AVG CLOUDS B2 B2 B2 B2 OV OV OV B2 B1 FW SC SC SC SC B1 SC
POP 12HR 60 70 70 10 0 5 10 10
RAIN SHWRS L C C L L C S
TSTMS S C S
SDZ059-152100-
MITCHELL-DAVISON SD
43.76N 98.02W ELEV. 1312 FT
647 AM CDT FRI MAY 15 2026
DATE FRI 05/15/26 SAT 05/16/26 SUN 05/17/26
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 88 49 86 55 84
TEMP 51 72 82 86 83 66 57 51 50 70 79 84 82 68 62 58 55 67 77 82 78
DEWPT 39 42 40 40 38 36 34 32 33 35 33 35 39 43 48 52 55 58 59 59 57
RH 63 34 22 20 20 33 42 48 52 27 19 17 22 40 60 80100 73 54 46 48
WIND DIR N NW NW NW NW N N N N NE E SE SE E E E SE SE SE E N
WIND SPD 2 4 8 12 14 9 5 5 5 9 12 16 17 16 19 19 18 19 17 17 16
WIND GUST 26 27 26 29 29 28 27 27
CLOUDS FW CL CL FW SC SC FW SC B1 FW SC SC B1 SC B2 OV OV B2 B1 SC SC
POP 12HR 0 0 0 80 80
QPF 12HR 0 0 0 0.44 0.15
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C D D D D L L L
TSTMS C C S S S C C C
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 46 64 40 56 34 66 41 75
TEMP 56 47 60 60 49 42 52 55 41 36 60 64 47 44 68 72
DEWPT 52 47 48 49 46 41 38 36 35 35 37 38 39 39 42 43
PWIND DIR NW N NW NW NW N E S
WIND CHAR BZ BZ WY WY GN GN GN GN
AVG CLOUDS B1 B2 B2 B2 B2 B2 OV B2 B1 FW SC B1 SC SC B1 SC
POP 12HR 70 70 70 10 0 5 10 10
RAIN SHWRS L C C L L C
TSTMS C S S
SDZ062-152100-
SIOUX FALLS-MINNEHAHA SD
43.57N 96.73W ELEV. 1424 FT
647 AM CDT FRI MAY 15 2026
DATE FRI 05/15/26 SAT 05/16/26 SUN 05/17/26
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 89 51 84 56 86
TEMP 53 75 85 87 84 69 60 55 52 71 80 83 81 69 64 60 57 67 78 85 80
DEWPT 44 48 42 44 44 39 37 35 34 36 34 36 40 44 48 54 56 60 59 59 59
RH 71 38 22 22 25 33 42 47 50 28 19 19 23 40 56 81 96 78 52 41 49
WIND DIR S SW W W NW N NE N N NE E E E E E E SE SE SE S S
WIND SPD 1 2 6 9 11 9 5 4 6 9 10 12 14 14 16 18 18 19 21 18 14
WIND GUST 25 26 28 28 29 33 31
CLOUDS FW CL CL CL FW SC FW SC B1 SC B1 B1 B2 B1 B2 B2 OV B2 SC SC SC
POP 12HR 10 5 5 80 80
QPF 12HR 0 0 0 0.49 0.23
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C D D D D L L D
TSTMS C C C C S C C C
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 71 45 58 37 64 42 72
TEMP 62 52 65 66 55 47 54 56 43 39 59 62 48 45 68 71
DEWPT 57 52 52 53 49 43 40 37 35 35 37 38 38 39 42 43
PWIND DIR W N NW NW NW NW E SE
WIND CHAR GN BZ BZ WY GN GN LT GN
AVG CLOUDS B1 B2 B2 B2 B2 B2 OV B1 B1 SC SC B1 B1 SC B1 SC
POP 12HR 80 70 70 5 0 5 10 10
RAIN SHWRS D L C L L C
TSTMS C S C C
SDZ070-152100-
VERMILLION-CLAY SD
42.95N 96.92W ELEV. 1132 FT
647 AM CDT FRI MAY 15 2026
DATE FRI 05/15/26 SAT 05/16/26 SUN 05/17/26
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 92 52 86 56 91
TEMP 55 73 86 90 88 71 62 57 53 71 81 84 82 70 65 62 58 71 83 90 85
DEWPT 50 54 49 47 48 44 41 42 40 42 40 41 46 50 55 60 58 61 58 57 57
RH 83 51 28 23 25 38 46 57 61 35 23 22 28 49 70 93100 71 43 33 39
WIND DIR SE E E W NW N E N N E E E E E E SE SE SE S S S
WIND SPD 2 4 9 8 11 10 5 4 5 9 13 16 16 16 17 18 18 23 25 23 19
WIND GUST 26 35 35
CLOUDS FW CL FW FW FW SC FW SC B1 B1 B2 B1 B1 B1 B2 B2 OV SC SC SC SC
POP 12HR 10 5 5 70 70
QPF 12HR 0 0 0 0.57 0.05
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L L L C C L L D
TSTMS S C C S S S S C C
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 53 77 44 61 38 67 43 75
TEMP 64 54 70 71 56 47 57 59 45 40 62 65 50 47 70 73
DEWPT 58 54 54 53 49 43 40 36 36 35 37 36 38 39 42 42
PWIND DIR W N NW NW NW NW E SE
WIND CHAR GN BZ WY WY GN GN LT GN
AVG CLOUDS B1 B2 B2 B1 B2 B2 OV B1 SC FW SC SC SC SC B1 SC
POP 12HR 80 80 70 5 0 5 10 10
RAIN SHWRS D L C D L C
TSTMS C C S C C
SDZ069-152100-
YANKTON-YANKTON SD
42.95N 97.39W ELEV. 1207 FT
647 AM CDT FRI MAY 15 2026
DATE FRI 05/15/26 SAT 05/16/26 SUN 05/17/26
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 91 52 85 57 89
TEMP 53 72 84 89 86 70 62 56 54 69 79 83 82 69 65 61 58 69 81 87 83
DEWPT 45 51 47 47 45 39 38 38 37 39 38 40 44 47 53 57 57 60 58 57 57
RH 74 48 28 23 24 32 41 51 52 33 23 22 26 45 65 87 96 73 46 36 41
WIND DIR N NE N NW N N NE N N NE E E SE E E E E SE S S S
WIND SPD 2 3 6 6 12 11 6 5 6 9 14 16 17 16 18 19 17 20 20 19 17
WIND GUST 26 29
CLOUDS FW CL FW CL FW SC FW SC B1 B1 B1 B1 B2 B1 B2 B2 OV B1 SC SC SC
POP 12HR 5 5 10 80 60
QPF 12HR 0 0 0 0.49 0.10
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L D D L L L L D
TSTMS S C C S S S S C C
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26
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 44 59 38 66 43 74
TEMP 62 52 66 66 54 46 54 57 44 40 60 64 50 46 68 72
DEWPT 55 51 52 51 47 41 39 36 35 35 37 37 38 39 41 42
PWIND DIR NW N NW NW NW N E SE
WIND CHAR GN BZ WY WY GN GN GN GN
AVG CLOUDS B1 B2 B2 B1 B2 B2 OV B1 SC FW SC B1 SC SC B1 SC
POP 12HR 80 70 70 5 0 5 10 10
RAIN SHWRS D L C L L C
TSTMS C S C C
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