632
FOUS53 KFSD 171937
PFMFSD
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SIOUX FALLS SD
237 PM CDT SUN MAY 17 2026
IAZ012-180900-
SIOUX CENTER-SIOUX IA
43.08N 96.18W ELEV. 1446 FT
237 PM CDT SUN MAY 17 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 49 62 41 57 36
TEMP 84 76 64 58 54 52 56 59 62 60 53 48 45 44 49 54 57 56 48 43 39 39
DEWPT 63 65 61 57 51 50 51 53 53 52 50 46 43 41 41 42 40 39 38 37 36 36
RH 49 69 90 96 90 93 83 80 72 75 89 93 93 89 74 64 53 53 68 79 89 89
WIND DIR SE SE NW NW NW NW N N NE N N NW NW NW NW NW NW NW N N NE E
WIND SPD 19 12 11 12 12 12 11 11 12 13 17 18 19 19 20 19 17 14 5 3 2 2
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC SC SC FW FW SC
POP 12HR 90 80 90 0 0
QPF 12HR 0.71 0.10 0.39 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L D C S S C C D L
SPRINKLES C
TSTMS C L C S C C S
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 63 42 66 45 71 49 77 53 85
TEMP 58 63 48 46 63 64 52 49 66 69 55 54 72 75 59 58 81 83
DEWPT 39 38 39 41 45 44 45 46 50 48 48 50 53 51 51 54 57 55
PWIND DIR SE SE S S S S S S S
WIND CHAR LT LT BZ GN GN GN GN LT GN
AVG CLOUDS SC B1 B1 SC B2 B1 B1 B1 B2 SC B1 B1 B2 SC SC SC B1 SC
POP 12HR 0 0 10 30 20 40 30 20 20
RAIN SHWRS S C S S C C S C S S
TSTMS S S S S S C S
IAZ031-180900-
SIOUX CITY-WOODBURY IA
42.40N 96.38W ELEV. 1210 FT
237 PM CDT SUN MAY 17 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 48 64 41 59 35
TEMP 88 80 66 59 55 52 56 60 64 62 55 50 45 42 50 56 59 58 50 45 40 40
DEWPT 65 63 60 56 51 49 51 54 56 52 50 47 43 41 41 42 41 38 38 38 36 37
RH 47 56 81 90 86 89 83 81 75 70 83 89 93 96 71 59 51 47 63 76 85 89
WIND DIR S S W NW NW NW N N NE N N NW NW NW NW NW NW NW N N N E
WIND SPD 21 14 12 12 12 11 10 10 11 13 17 18 19 18 19 18 16 13 5 3 1 1
WIND GUST 34 26 23 27 28 31 28 32 28 26
CLOUDS B1 B2 OV OV B2 OV B2 OV OV OV OV OV B2 OV B2 SC SC FW SC FW FW SC
POP 12HR 90 90 80 0 0
QPF 12HR 0.55 0.17 0.50 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C D S S C C C D D
SPRINKLES C
TSTMS C L S S S C C S
WIND CHILL 34
MIN CHILL 32 33
HEAT INDEX 90
MAX HEAT 92
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 64 41 67 44 72 48 79 53 87
TEMP 60 64 49 46 64 65 53 49 67 71 57 53 74 77 61 58 82 85
DEWPT 39 37 40 41 45 43 45 46 50 47 48 50 53 50 52 54 56 53
PWIND DIR SE SE SE S S SE S SE S
WIND CHAR LT LT GN GN GN LT GN LT GN
AVG CLOUDS SC B1 B1 B1 B2 B1 B1 B1 B1 SC B1 SC B2 SC SC SC B1 SC
POP 12HR 0 0 10 30 20 30 30 20 20
RAIN SHWRS S C S S C C S C S S
TSTMS S S S S S C S
IAZ014-180900-
SPENCER-CLAY IA
43.15N 95.18W ELEV. 1325 FT
237 PM CDT SUN MAY 17 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 52 65 42 58 36
TEMP 83 79 66 62 57 53 58 61 64 63 55 50 46 43 50 55 58 56 48 43 39 39
DEWPT 65 67 63 60 56 52 53 55 57 57 53 49 45 41 43 43 42 41 39 37 35 36
RH 55 67 90 93 96 96 83 81 78 81 93 96 96 93 77 64 55 57 71 79 85 89
WIND DIR SE SE S SW W NW N NE NE NE N N NW NW NW NW NW NW N N N N
WIND SPD 24 19 12 10 10 11 10 11 12 13 13 16 19 19 19 19 17 14 8 4 3 3
WIND GUST 35 31 27
CLOUDS B2 B1 OV B2 B2 B2 B2 OV OV OV OV B2 OV OV B2 B1 SC SC SC FW FW FW
POP 12HR 100 80 90 0 0
QPF 12HR 0.86 0.08 0.83 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C C C S S S C C D D L
SPRINKLES C C
TSTMS C C C C S C C C C S
HEAT INDEX 85
MAX HEAT 85
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 62 40 66 44 71 48 76 52 85
TEMP 57 61 46 45 63 64 50 48 65 68 54 52 71 74 57 56 80 81
DEWPT 39 38 39 39 45 45 44 44 50 50 48 48 54 54 51 52 58 57
PWIND DIR NE SE S S S S S S S
WIND CHAR LT LT GN GN GN GN GN LT GN
AVG CLOUDS SC B1 B1 SC B1 B1 B1 B1 B1 SC B1 SC B2 SC SC SC SC SC
POP 12HR 0 0 10 20 20 30 30 20 10
RAIN SHWRS S S S S C S C S
TSTMS S S S S S C S
IAZ022-180900-
STORM LAKE-BUENA VISTA
42.60N 95.23W ELEV. 1427 FT
237 PM CDT SUN MAY 17 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 56 68 45 59 38
TEMP 84 80 68 65 61 58 61 63 67 66 58 53 48 46 51 55 58 57 49 45 41 42
DEWPT 65 65 62 61 57 55 55 58 60 58 54 51 46 43 43 43 43 40 39 38 36 37
RH 53 60 81 87 87 90 81 84 78 75 86 93 93 89 74 64 57 53 68 76 82 82
WIND DIR S S S SW W NW N NE E NE N NW NW NW NW NW NW NW N N N NE
WIND SPD 26 23 16 11 10 9 9 9 11 12 14 14 19 18 19 19 18 13 8 5 4 4
WIND GUST 39 33
CLOUDS B1 SC OV OV B2 OV B1 B1 OV OV OV OV OV OV B2 B1 SC SC SC FW FW SC
POP 12HR 100 80 100 0 0
QPF 12HR 0.61 0.08 1.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L S C S S L L D L C
SPRINKLES C
TSTMS C C C S S S S C C C C S
HEAT INDEX 86 82
MAX HEAT 87
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 62 42 65 45 70 51 76 55 84
TEMP 57 61 48 46 62 63 51 49 65 68 56 54 72 74 60 59 80 82
DEWPT 39 38 39 41 45 44 44 46 50 49 48 50 54 53 52 54 58 56
PWIND DIR NE SE SE SE S SE S S S
WIND CHAR LT LT GN GN GN GN GN LT GN
AVG CLOUDS SC B1 B2 SC B1 B1 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC
POP 12HR 0 0 20 20 20 30 30 20 10
RAIN SHWRS S S S S S C C C S
TSTMS S S S S C S
MNZ072-180900-
MARSHALL-LYON MN
44.47N 95.82W ELEV. 1151 FT
237 PM CDT SUN MAY 17 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 47 59 40 54 36
TEMP 76 71 62 57 52 49 52 56 58 56 51 48 44 43 46 50 53 53 47 43 39 39
DEWPT 61 62 59 53 50 46 46 46 48 48 47 44 43 40 39 38 38 37 36 36 35 35
RH 60 73 90 86 93 89 80 69 69 74 86 86 96 89 76 63 57 54 65 76 85 85
WIND DIR SE NE N NW NW NW N N N N N NW NW NW NW NW NW NW NW NW W W
WIND SPD 12 10 11 13 16 16 14 14 14 14 18 18 19 19 20 20 18 14 6 4 3 4
CLOUDS B2 B2 OV OV OV OV OV OV B2 OV OV OV OV OV B2 B2 B1 SC B1 SC SC SC
POP 12HR 90 70 90 5 0
QPF 12HR 0.25 0.02 0.15 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C D L C C L C C L
TSTMS C C S S C
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 64 43 69 47 72 50 76 53 85
TEMP 58 62 50 47 66 67 54 50 66 70 57 53 71 74 60 57 80 82
DEWPT 35 36 37 39 41 43 43 44 45 46 46 47 48 49 48 50 52 53
PWIND DIR S S S S S SE S S S
WIND CHAR LT GN BZ GN GN GN GN GN GN
AVG CLOUDS FW SC SC SC B1 B1 SC SC B2 SC B1 B1 B2 SC SC SC SC SC
POP 12HR 0 0 5 30 20 30 30 20 20
RAIN SHWRS C C S S C C S C S S S
TSTMS S S C S
MNZ081-180900-
WINDOM-COTTONWOOD MN
43.87N 95.12W ELEV. 1355 FT
237 PM CDT SUN MAY 17 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 49 61 41 55 36
TEMP 80 75 66 60 55 51 55 59 61 59 53 49 45 42 48 52 55 53 47 43 39 39
DEWPT 62 63 62 57 52 49 48 50 51 52 49 45 43 41 40 39 39 37 36 35 34 35
RH 54 66 87 90 90 93 77 72 70 78 86 86 93 96 74 61 55 54 65 73 82 85
WIND DIR SE SE S SW NW NW N N N N N N NW NW NW NW NW NW N NW NW NW
WIND SPD 18 14 10 10 12 13 12 11 12 12 14 18 20 19 20 20 19 16 8 4 2 2
CLOUDS B2 B2 OV OV B2 OV B2 B2 B2 OV OV OV OV OV B2 B1 B1 SC SC SC FW SC
POP 12HR 100 80 90 5 0
QPF 12HR 0.63 0.03 0.44 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D L L S C L L L L
TSTMS C L C S S C C S
WIND CHILL 33
MIN CHILL 33
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 62 41 66 45 69 48 74 52 83
TEMP 57 61 47 45 64 64 51 49 66 68 54 53 71 72 58 57 80 81
DEWPT 35 35 36 39 41 42 42 44 45 46 45 48 50 50 48 51 53 54
PWIND DIR NE S S S S S S S S
WIND CHAR LT LT BZ GN GN GN GN LT GN
AVG CLOUDS SC SC SC SC B1 B1 B1 B1 B2 B1 B1 B1 B2 SC SC SC SC SC
POP 12HR 0 0 5 20 20 30 30 20 20
RAIN SHWRS S S S S C S S C S S
TSTMS S S S S S C S
MNZ089-180900-
WORTHINGTON-NOBLES MN
43.65N 95.58W ELEV. 1584 FT
237 PM CDT SUN MAY 17 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 49 60 41 55 36
TEMP 80 75 64 60 55 51 54 57 60 58 51 48 44 42 48 52 55 53 47 42 38 39
DEWPT 62 63 61 57 52 49 48 49 50 50 48 45 42 40 40 39 38 37 36 35 34 35
RH 54 66 90 90 90 93 80 75 69 75 89 89 93 93 74 61 53 54 65 76 85 85
WIND DIR SE SE S W NW N N N NE N N N NW NW NW NW NW NW N N N NW
WIND SPD 17 14 10 11 13 13 13 13 13 14 17 19 20 19 20 19 17 16 8 4 3 3
CLOUDS B2 B2 OV OV OV OV B2 B2 B2 OV OV OV OV OV B2 B1 B1 SC SC SC FW SC
POP 12HR 90 80 90 5 0
QPF 12HR 0.55 0.05 0.42 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D D C S C C D L C
SPRINKLES C
TSTMS C L C S C C S
WIND CHILL 33
MIN CHILL 32 34
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 62 41 66 45 69 49 75 52 84
TEMP 57 61 47 46 63 64 51 49 65 68 54 53 71 73 58 57 80 82
DEWPT 35 35 37 39 41 42 43 45 46 46 46 48 50 49 49 52 53 53
PWIND DIR SE S S S S S S S S
WIND CHAR LT GN BZ GN GN GN GN GN BZ
AVG CLOUDS SC B1 B1 SC B1 B1 B1 B1 B2 B1 B1 B1 B2 SC SC SC SC SC
POP 12HR 0 0 5 20 20 30 30 20 20
RAIN SHWRS S S S S C S S C S S
TSTMS S S S S S C S
SDZ040-180900-
BROOKINGS-BROOKINGS SD
44.30N 96.80W ELEV. 1617 FT
237 PM CDT SUN MAY 17 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 43 56 37 53 32
TEMP 73 68 57 52 47 44 50 54 55 53 46 44 41 38 45 49 52 53 45 39 35 35
DEWPT 61 60 54 50 46 43 45 45 46 45 43 42 40 38 38 37 37 36 36 36 34 34
RH 66 76 90 93 96 96 83 71 72 74 89 93 96100 76 63 56 52 70 89 96 96
WIND DIR SE NW N NW NW N N N N N N N NW NW NW NW NW NW N N S S
WIND SPD 11 11 14 14 16 16 16 16 17 17 19 18 19 18 19 19 18 14 5 2 1 2
WIND GUST 26 27 28 29 28 31 28
CLOUDS B2 OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 B1 SC SC SC FW SC
POP 12HR 70 70 80 0 0
QPF 12HR 0.18 0.04 0.05 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L C S D C L S
SPRINKLES C
TSTMS C C S S S
WIND CHILL 32 28
MIN CHILL 27 30 34
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 64 40 68 43 71 46 76 49 85
TEMP 59 62 47 44 65 66 51 46 66 69 54 49 71 74 57 53 80 82
DEWPT 36 36 37 38 41 42 43 43 44 45 46 46 47 47 47 48 50 51
PWIND DIR S S S S S SE S S S
WIND CHAR LT GN BZ GN GN GN GN LT BZ
AVG CLOUDS FW SC SC SC B1 B1 B1 B1 B2 SC B1 B1 B2 SC SC FW B1 SC
POP 12HR 0 0 10 30 20 40 30 20 20
RAIN SHWRS C C S S C C S C S S
TSTMS S S S C S
SDZ050-180900-
BURKE-GREGORY SD
43.18N 99.29W ELEV. 2142 FT
237 PM CDT SUN MAY 17 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 39 48 35 54 33
TEMP 65 58 51 46 43 41 44 45 47 46 43 41 38 37 44 48 52 54 45 39 36 37
DEWPT 54 48 46 44 40 40 42 42 43 42 42 41 38 37 38 37 37 36 36 35 33 33
RH 68 69 83 93 89 96 93 89 86 86 96100100100 79 65 56 50 70 85 89 85
WIND DIR NW N NW NW NW N N N N N N NW NW NW NW NW NW N NE SE S S
WIND SPD 28 27 21 19 17 19 21 21 21 23 24 20 20 19 20 19 17 12 4 4 5 9
WIND GUST 41 40 32 32 33 33 34
CLOUDS B2 OV B2 B1 B1 OV OV OV OV OV OV OV OV B2 B1 SC SC FW SC FW FW SC
POP 12HR 30 90 50 0 0
QPF 12HR 0.01 0.05 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S D D C C
SPRINKLES C C
TSTMS C S S
WIND CHILL 32 34 32 28 27 30 30
MIN CHILL 32 30 31 25 25 27
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 64 43 68 44 71 48 77 51 85
TEMP 60 62 49 45 65 65 51 47 66 69 55 50 71 75 58 53 80 82
DEWPT 39 38 39 38 42 43 44 42 44 44 46 43 46 46 47 45 48 48
PWIND DIR S S S S S S SW S S
WIND CHAR BZ BZ BZ BZ BZ GN GN GN BZ
AVG CLOUDS SC B1 B1 SC B2 B1 B1 B1 B1 SC B1 B1 B1 FW FW SC SC FW
POP 12HR 5 0 30 30 20 30 20 10 20
RAIN SHWRS C C S S S C S S S S
TSTMS C C S S S S S
SDZ057-180900-
CHAMBERLAIN-BRULE SD
43.77N 99.32W ELEV. 1565 FT
237 PM CDT SUN MAY 17 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 39 52 36 56 33
TEMP 66 59 52 47 44 42 46 49 50 48 45 42 40 37 45 50 54 56 46 40 36 37
DEWPT 52 47 46 43 41 41 42 41 42 41 42 41 39 37 39 37 36 35 37 36 34 35
RH 61 64 80 86 89 96 86 74 74 77 89 96 96100 79 61 50 45 71 85 92 92
WIND DIR NW NW NW NW N N N N N N N NW NW NW NW NW NW NW NE SE SE SE
WIND SPD 24 23 17 14 13 16 18 18 19 18 18 16 16 14 17 16 14 11 3 3 5 6
WIND GUST 35 34 27 28 29 28
CLOUDS OV B2 B2 B1 B2 OV OV OV OV OV OV B2 OV B2 B1 B1 SC SC SC FW FW SC
POP 12HR 20 90 60 0 0
QPF 12HR 0.01 0.07 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L S C D L
TSTMS S S
WIND CHILL 34 34 32 28 32 32
MIN CHILL 34 31 34 28 31 29
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 68 44 72 44 74 47 79 51 87
TEMP 63 65 51 47 67 68 53 48 68 72 56 51 73 77 59 54 81 85
DEWPT 39 39 40 39 42 43 45 43 43 43 47 45 45 45 48 46 48 48
PWIND DIR S S S S S SE SW SE S
WIND CHAR BZ BZ BZ GN GN GN GN GN BZ
AVG CLOUDS FW B1 B1 SC B2 B1 B1 B1 B1 SC B1 B1 B1 FW SC SC SC FW
POP 12HR 5 10 30 30 20 30 20 20 20
RAIN SHWRS C C S S S S C S S S S
TSTMS C S S S S S
SDZ038-180900-
HURON-BEADLE SD
44.38N 98.22W ELEV. 1282 FT
237 PM CDT SUN MAY 17 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 40 55 36 56 31
TEMP 68 61 50 46 43 41 48 52 54 51 45 42 39 37 46 51 54 55 45 39 34 34
DEWPT 58 50 48 44 43 41 42 42 43 42 43 41 39 37 37 36 36 35 36 35 33 34
RH 70 67 93 93100100 80 69 66 71 93 96100100 71 56 50 47 70 85 96100
WIND DIR NW N NW NW NW N N N N N N NW NW NW NW NW NW NW N SE S SE
WIND SPD 14 21 19 17 16 17 18 18 19 18 19 17 17 16 18 17 16 12 4 2 4 6
WIND GUST 27 33 28
CLOUDS B2 OV OV B2 OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC SC SC FW FW FW
POP 12HR 50 80 70 0 0
QPF 12HR 0.05 0.04 0.02 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D C S D L S
TSTMS C S S S
WIND CHILL 33 33 30 28 30 29
MIN CHILL 32 32 28 30 26
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 68 42 72 44 74 47 79 50 87
TEMP 61 65 49 45 68 69 51 46 68 72 54 49 73 77 56 52 81 84
DEWPT 37 38 38 39 41 42 44 43 44 44 46 46 46 46 47 48 50 50
PWIND DIR S S S S S SE S SE S
WIND CHAR GN BZ BZ GN GN GN GN GN BZ
AVG CLOUDS FW SC B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC
POP 12HR 0 0 20 30 30 30 20 20 20
RAIN SHWRS S C C S C C C S S S S S
TSTMS S S C S
SDZ059-180900-
MITCHELL-DAVISON SD
43.76N 98.02W ELEV. 1312 FT
237 PM CDT SUN MAY 17 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 42 55 37 57 32
TEMP 73 64 53 48 44 43 49 52 54 52 46 43 39 38 47 52 55 56 46 39 35 35
DEWPT 62 54 50 46 43 43 44 45 46 45 45 42 39 38 39 38 38 37 37 36 34 35
RH 68 70 89 93 96100 83 77 74 77 96 96100100 74 59 53 49 71 89 96100
WIND DIR N NW NW NW NW N N N N N N NW NW NW NW NW NW NW N SE S S
WIND SPD 11 23 19 18 17 17 18 19 19 19 20 19 18 17 19 19 18 13 5 2 3 4
WIND GUST 23 34 29 29 29 29 31 29
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC SC FW FW SC
POP 12HR 50 90 60 0 0
QPF 12HR 0.06 0.04 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D C S C L L C
SPRINKLES C C
TSTMS C C S S
WIND CHILL 30 28 31
MIN CHILL 34 33 27 31 29
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 67 42 72 44 74 48 79 51 88
TEMP 61 65 49 45 67 68 52 47 68 72 55 50 73 77 58 53 82 84
DEWPT 38 38 39 40 43 43 44 45 45 46 47 47 48 48 48 49 51 51
PWIND DIR S S S S S SE S SE S
WIND CHAR GN GN BZ GN BZ GN GN GN BZ
AVG CLOUDS FW SC B1 SC B2 B1 B1 B1 B1 SC B1 B1 B1 FW FW SC B1 FW
POP 12HR 0 0 20 30 20 30 20 10 20
RAIN SHWRS S C S S S C C S S S
TSTMS S S S S S S
SDZ062-180900-
SIOUX FALLS-MINNEHAHA SD
43.57N 96.73W ELEV. 1424 FT
237 PM CDT SUN MAY 17 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 47 59 40 57 34
TEMP 80 72 61 56 51 48 54 57 59 56 51 47 43 41 48 53 56 55 48 42 37 37
DEWPT 63 62 57 52 48 46 47 47 48 48 46 43 41 39 40 39 38 37 37 36 35 35
RH 56 71 87 86 89 93 77 69 67 74 83 86 93 92 74 59 51 51 65 79 92 92
WIND DIR SE N NW NW NW N N N NE N N N NW NW NW NW NW NW NW N E E
WIND SPD 11 11 14 14 13 13 12 13 13 14 18 17 18 17 19 18 16 13 4 2 1 1
WIND GUST 23 24 25 27 27 29 28 27
CLOUDS B2 OV OV OV OV OV OV OV B2 OV OV OV OV OV B2 B1 B1 SC SC FW FW SC
POP 12HR 70 80 80 0 0
QPF 12HR 0.14 0.02 0.11 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C C L C L S
SPRINKLES C
TSTMS C C C S
WIND CHILL 32
MIN CHILL 31 33
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 64 42 68 45 72 49 78 53 86
TEMP 60 64 49 45 65 66 53 48 67 70 56 52 73 76 59 55 82 84
DEWPT 37 37 38 40 42 43 44 45 45 46 47 48 48 49 49 51 52 53
PWIND DIR SE S S S S SE S S S
WIND CHAR LT LT BZ GN GN GN GN LT GN
AVG CLOUDS SC SC B1 SC B2 B1 B1 B1 B2 SC B1 B1 B2 SC SC SC B1 SC
POP 12HR 0 0 10 30 20 30 30 20 20
RAIN SHWRS C C S S C C C C S S
TSTMS S S S S S S
SDZ070-180900-
VERMILLION-CLAY SD
42.95N 96.92W ELEV. 1132 FT
237 PM CDT SUN MAY 17 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 46 61 40 59 35
TEMP 87 76 63 56 52 48 54 58 61 59 53 48 44 41 49 55 58 59 50 44 39 39
DEWPT 63 62 57 52 49 46 49 49 50 49 47 45 43 40 40 39 38 36 36 37 36 36
RH 45 62 81 86 89 93 83 72 67 69 80 89 96 96 71 55 47 42 58 76 89 89
WIND DIR S NW NW NW NW NW N N N N N NW NW NW NW NW NW N N N NE SE
WIND SPD 16 16 18 17 16 13 12 13 13 16 19 19 19 19 20 20 18 14 5 3 2 2
WIND GUST 26 29 31
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 SC SC FW SC FW FW SC
POP 12HR 80 80 80 0 0
QPF 12HR 0.39 0.08 0.25 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C D C S S C C C C D
TSTMS C C C S S S S
WIND CHILL 32
MIN CHILL 31 34
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 65 42 69 45 73 49 80 53 88
TEMP 61 65 50 46 65 67 53 48 68 71 57 53 74 78 61 56 83 86
DEWPT 37 37 39 41 43 43 45 45 47 46 47 49 50 49 51 52 53 52
PWIND DIR SE SE S S S SE S S S
WIND CHAR LT GN BZ GN GN GN GN GN BZ
AVG CLOUDS SC B1 B1 B1 B2 B1 B1 B1 B2 SC B1 SC B2 SC SC SC B1 SC
POP 12HR 0 0 10 30 30 40 30 20 20
RAIN SHWRS C C S C C C C S S S
TSTMS S S S S S S S
SDZ069-180900-
YANKTON-YANKTON SD
42.95N 97.39W ELEV. 1207 FT
237 PM CDT SUN MAY 17 2026
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 45 59 39 58 34
TEMP 83 72 59 53 49 46 51 55 58 56 50 46 43 40 48 53 57 57 48 43 38 38
DEWPT 64 59 53 49 46 44 46 47 48 47 45 43 41 39 39 38 38 36 36 36 35 35
RH 53 64 80 86 89 93 83 74 69 72 83 89 93 96 71 57 49 45 63 76 89 89
WIND DIR SE NW NW NW NW NW N N N N N NW NW NW NW NW NW NW N N SE SE
WIND SPD 12 20 20 19 17 16 14 14 14 18 21 20 21 19 21 20 18 14 5 2 2 2
WIND GUST 23 31 32
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B1 B1 SC FW SC FW FW SC
POP 12HR 50 80 80 0 0
QPF 12HR 0.10 0.01 0.10 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L C S S D D S D
SPRINKLES C C
TSTMS C C C S
WIND CHILL 34 31
MIN CHILL 31 33
DATE 05/20 THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 66 43 70 45 73 50 80 53 88
TEMP 60 65 50 46 65 67 53 48 67 71 57 52 73 77 60 55 82 85
DEWPT 37 37 38 40 42 43 44 45 46 46 47 48 49 48 49 50 52 51
PWIND DIR SE S S S S SE S SE S
WIND CHAR LT GN BZ GN GN GN GN GN BZ
AVG CLOUDS SC B1 B1 B1 B2 B1 B1 B1 B2 SC SC SC B1 SC SC SC B1 SC
POP 12HR 0 0 10 30 30 40 30 20 20
RAIN SHWRS C C S C C C C S S S
TSTMS S S S C S S S
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