334  
FOUS53 KFSD 112138  
PFMFSD  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
438 PM CDT TUE AUG 11 2026  
 
IAZ012-120900-  
SIOUX CENTER-SIOUX IA  
43.08N 96.18W ELEV. 1446 FT  
438 PM CDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 FRI  
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 67 83 65 75 63  
TEMP 84 72 71 68 67 75 79 82 80 72 70 67 67 70 73 75 73 68 66 64 64  
DEWPT 77 72 71 68 67 73 75 75 76 72 70 67 67 70 72 73 73 68 66 64 64  
RH 80100100100100 94 88 79 88100100100100100 97 94100100100100100  
WIND DIR NE E E NE E E E E E E E SE NE E E E E E E E E  
WIND SPD 6 6 5 5 6 8 9 8 6 8 8 6 6 10 11 11 11 10 9 11 13  
CLOUDS SC SC B1 B2 OV B2 SC SC SC OV B2 OV OV B2 B2 B2 B1 B1 B1 B2 OV  
POP 12HR 20 5 70 60 50  
QPF 12HR 0.02 0 0.41 0.24 0.10  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C L L L S S C C C  
TSTMS S C S S S S S S C  
OBVIS F PF K K K  
HEAT INDEX 93 88 86  
MAX HEAT 103 91 85 90  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 76 65 79 62 74 57 74 60 79  
TEMP 72 71 67 67 76 76 68 64 72 72 62 59 72 72 64 62 76 77  
DEWPT 72 71 67 67 76 76 68 64 71 71 62 59 70 72 64 62 74 75  
PWIND DIR SE SE W N N NE SE S SW  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS OV B2 B2 B2 OV B2 B1 B1 B2 SC SC SC B2 SC SC SC B2 SC  
POP 12HR 40 50 40 40 20 10 10 30 20  
RAIN SHWRS C C C C C C C C S S C S  
TSTMS C C C C C C C S S C S  
 
 
IAZ031-120900-  
SIOUX CITY-WOODBURY IA  
42.40N 96.38W ELEV. 1210 FT  
438 PM CDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 FRI  
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 69 86 67 77 64  
TEMP 90 78 74 71 70 77 83 86 84 77 72 69 68 71 75 77 75 71 68 66 65  
DEWPT 74 74 72 71 70 73 74 74 75 74 72 69 68 71 73 73 72 70 68 66 65  
RH 60 88 93100100 87 74 68 74 90100100100100 94 87 90 97100100100  
WIND DIR E E E NE NE NE NE NE E E E N E E NE NE E E E E E  
WIND SPD 6 9 6 5 5 8 9 9 8 9 6 6 6 8 11 11 11 11 9 10 10  
WIND GUST 20  
CLOUDS SC SC B1 B1 B2 B2 SC FW SC B2 OV OV OV OV B2 B2 B1 B1 B2 B2 OV  
POP 12HR 20 5 80 70 70  
QPF 12HR 0.05 0 0.74 0.14 0.27  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S L D L L S S C C L L C  
TSTMS S C C S S S S C C C C C  
OBVIS F PF K  
HEAT INDEX 99 90 94 92  
MAX HEAT 106 99 91 96 92  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 79 66 81 64 77 59 77 61 81  
TEMP 75 75 69 67 79 79 70 66 74 75 65 61 74 75 66 62 78 79  
DEWPT 73 75 69 67 76 76 69 66 72 71 65 61 70 71 66 62 73 74  
PWIND DIR SE SE NW N N NE SE SE S  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS OV B2 B1 B1 OV B1 SC B1 B2 SC SC SC B2 B1 SC SC B2 SC  
POP 12HR 30 50 40 40 20 10 10 20 20  
RAIN SHWRS C S C C C C C C S S S  
TSTMS C S C C C C C S S S  
 
 
IAZ014-120900-  
SPENCER-CLAY IA  
43.15N 95.18W ELEV. 1325 FT  
438 PM CDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 FRI  
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 66 83 65 77 62  
TEMP 83 72 70 67 67 74 80 82 81 72 69 67 66 70 74 76 74 68 66 64 63  
DEWPT 74 72 70 67 67 71 72 73 73 71 69 67 66 69 70 70 70 67 64 63 63  
RH 74100100100100 90 77 74 77 97100100100 97 87 82 87 97 93 97100  
WIND DIR NE NE E E W NE E E E E E E NE E NE NE NE NE E E E  
WIND SPD 8 9 4 5 6 8 9 8 6 6 6 5 6 9 10 11 10 9 9 11 12  
CLOUDS SC SC B1 B2 OV OV SC SC SC B2 B2 OV OV B2 B1 B2 B1 B1 B1 OV OV  
POP 12HR 20 20 70 60 40  
QPF 12HR 0.02 0 0.26 0.18 0.06  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S L C L L S S S S C C L  
TSTMS S S S S S S S S S S C  
OBVIS PF F+ PF K K  
HEAT INDEX 90 84 87 86  
MAX HEAT 94 87 84 89  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 77 64 80 62 75 56 76 59 80  
TEMP 72 71 67 66 77 77 67 63 73 72 61 58 73 73 63 60 77 77  
DEWPT 70 71 67 66 74 75 67 63 69 68 61 58 67 68 63 60 71 72  
PWIND DIR E SE W N N NE SE S SW  
WIND CHAR BZ GN LT LT LT LT LT LT LT  
AVG CLOUDS OV B2 B2 B2 OV B2 B1 B1 B2 SC SC SC B1 SC SC SC B1 SC  
POP 12HR 60 60 40 50 10 10 5 20 20  
RAIN SHWRS L C L L C C C C S S S  
TSTMS C C C C S C C S S S  
 
 
IAZ022-120900-  
STORM LAKE-BUENA VISTA  
42.60N 95.23W ELEV. 1427 FT  
438 PM CDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 FRI  
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 68 84 66 77 63  
TEMP 84 73 72 69 69 76 81 84 82 73 71 68 68 71 74 76 74 68 66 65 65  
DEWPT 77 73 72 69 69 73 74 75 75 73 71 68 68 71 72 72 72 68 66 65 65  
RH 80100100100100 90 79 74 79100100100100100 93 87 93100100100100  
WIND DIR E E E NE N E E E E E E NE E E NE NE E E E E E  
WIND SPD 6 8 5 6 8 9 9 9 6 8 6 6 6 9 11 11 11 10 10 11 12  
CLOUDS SC SC B2 B1 B2 OV SC SC B1 B2 OV OV OV OV B2 B2 B1 B1 B2 OV OV  
POP 12HR 20 20 70 70 60  
QPF 12HR 0.10 0 0.61 0.20 0.29  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S L L L L S S C C L L C  
TSTMS S C C S S S S S C C C  
OBVIS PF PF K  
HEAT INDEX 93 87 91 89  
MAX HEAT 100 90 88 94 85  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 77 66 81 64 76 59 76 61 80  
TEMP 73 72 68 67 78 78 69 66 73 73 63 60 73 73 64 62 77 77  
DEWPT 72 72 68 67 75 77 69 66 71 71 63 60 68 70 64 62 72 73  
PWIND DIR E SE SW N N NE SE S SW  
WIND CHAR BZ GN LT LT LT LT LT LT LT  
AVG CLOUDS OV B2 B2 B2 OV B1 B1 B2 B2 SC SC SC B1 SC SC SC B1 SC  
POP 12HR 50 60 30 50 20 5 10 20 20  
RAIN SHWRS C C L C C C C C S S S  
TSTMS C C C C C C C C S  
 
 
MNZ072-120900-  
MARSHALL-LYON MN  
44.47N 95.82W ELEV. 1151 FT  
438 PM CDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 FRI  
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 65 82 64 78 61  
TEMP 81 71 69 66 65 73 80 81 80 72 68 66 64 69 75 78 76 68 65 63 61  
DEWPT 72 71 69 66 65 69 69 68 70 70 68 66 64 66 66 66 65 65 62 60 60  
RH 74100100100100 87 69 65 72 93100100100 90 74 67 69 90 90 90 97  
WIND DIR NE E SE NW NE NE E E E E SE N N NE NE NE NE E E E E  
WIND SPD 5 4 2 2 2 3 6 8 6 5 4 4 4 8 10 11 9 6 6 6 8  
CLOUDS B1 B1 B2 B1 B2 SC SC SC SC B2 OV OV OV B1 B1 SC SC B1 SC SC B2  
POP 12HR 10 5 50 10 5  
QPF 12HR 0 0 0.06 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C  
TSTMS S C S  
OBVIS K K K  
HEAT INDEX 85 84 83  
MAX HEAT 89 83 83 86  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 76 64 78 61 75 58 79 62 81  
TEMP 73 72 67 65 76 76 67 62 73 73 60 59 76 77 65 63 78 79  
DEWPT 66 69 67 65 72 73 67 62 64 65 60 59 63 67 65 63 69 71  
PWIND DIR SE SE W NW NW W S S W  
WIND CHAR GN GN LT LT GN LT LT LT GN  
AVG CLOUDS B2 B2 B2 OV OV B1 B1 B1 B1 SC FW SC SC FW SC SC SC SC  
POP 12HR 50 50 40 20 10 10 10 30 20  
RAIN SHWRS C C C C C C S S S C S S  
TSTMS S C C S C S S S S  
 
 
MNZ081-120900-  
WINDOM-COTTONWOOD MN  
43.87N 95.12W ELEV. 1355 FT  
438 PM CDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 FRI  
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 65 82 64 76 61  
TEMP 80 72 69 67 66 74 79 82 80 72 69 66 65 70 73 76 74 68 65 63 62  
DEWPT 73 72 69 67 66 69 68 68 69 70 68 66 65 66 66 66 66 66 63 61 61  
RH 79100100100100 84 69 63 69 93 97100100 87 79 71 76 93 93 93 97  
WIND DIR NE NE E NE NE NE E E NE E NE E NE NE NE NE NE E E E E  
WIND SPD 4 3 2 3 2 5 8 6 5 4 4 4 4 8 10 10 8 6 6 8 9  
CLOUDS B1 B1 SC B2 B1 SC SC SC SC B1 OV OV OV B2 B1 B1 B1 SC SC B2 B2  
POP 12HR 10 10 50 40 10  
QPF 12HR 0 0 0.12 0.05 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C S S C  
TSTMS S  
OBVIS PF F+ PF K K K  
HEAT INDEX 84 85 82  
MAX HEAT 89 83 85  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 75 63 78 61 75 56 76 60 79  
TEMP 72 71 67 65 75 75 67 63 72 72 61 58 74 74 64 61 76 77  
DEWPT 65 68 67 65 71 71 67 63 64 64 61 58 62 65 64 61 67 69  
PWIND DIR SE SE W NW N NW S S W  
WIND CHAR GN GN LT LT GN LT LT LT GN  
AVG CLOUDS B2 B2 B2 OV OV B2 B2 B1 B1 SC FW FW B1 SC SC SC B1 SC  
POP 12HR 50 60 40 40 20 5 5 20 30  
RAIN SHWRS C C C L C C C C S S S C  
TSTMS S C C S S C C S S S  
 
 
MNZ089-120900-  
WORTHINGTON-NOBLES MN  
43.65N 95.58W ELEV. 1584 FT  
438 PM CDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 FRI  
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 65 81 64 75 61  
TEMP 79 71 69 67 67 73 78 81 79 71 69 66 66 69 72 75 73 67 65 63 62  
DEWPT 74 71 69 67 67 70 70 70 70 71 69 66 66 67 67 67 67 66 64 62 62  
RH 85100100100100 90 76 69 74100100100100 93 84 76 81 97 97 97100  
WIND DIR NE NE E NE NE E E E E E NE E NE NE NE NE E E E E E  
WIND SPD 6 5 3 4 5 8 9 8 5 6 6 6 8 10 11 11 10 9 9 10 11  
CLOUDS SC SC B1 B2 B2 B1 SC SC SC OV B2 OV OV B2 B1 B1 B1 B1 SC B2 OV  
POP 12HR 20 20 50 40 30  
QPF 12HR 0 0 0.13 0.08 0.04  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C C S S C C C  
TSTMS S C S S S S  
OBVIS PF F PF K K K  
HEAT INDEX 85  
MAX HEAT 87 85  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 75 64 78 61 75 56 76 60 79  
TEMP 70 70 67 66 75 76 67 63 72 72 61 58 73 74 64 61 76 76  
DEWPT 67 69 67 66 72 72 67 63 65 65 61 58 64 66 64 61 69 70  
PWIND DIR E SE W N N N S S SW  
WIND CHAR BZ GN LT LT LT LT LT LT GN  
AVG CLOUDS B2 B2 B2 B2 OV B2 B1 B1 B1 SC FW SC B1 SC SC SC B1 SC  
POP 12HR 50 50 40 40 10 10 10 30 20  
RAIN SHWRS C C C C C C C C S S C S S  
TSTMS S C C S S C C S S C S S  
 
 
SDZ040-120900-  
BROOKINGS-BROOKINGS SD  
44.30N 96.80W ELEV. 1617 FT  
438 PM CDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 FRI  
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 63 82 62 76 59  
TEMP 82 71 68 65 64 73 79 82 80 71 67 64 63 68 73 76 74 67 64 61 60  
DEWPT 71 70 68 65 64 70 70 68 69 69 67 64 63 66 67 66 66 64 62 60 59  
RH 69 97100100100 90 74 63 69 93100100100 93 81 71 76 90 93 97 96  
WIND DIR E E E E NE E E E E E E NE NE NE NE E E E E E E  
WIND SPD 8 6 3 4 4 8 9 9 6 6 8 8 9 12 13 13 12 10 10 11 13  
CLOUDS SC SC B1 B2 OV B1 B1 SC B2 OV OV OV OV B1 B1 B1 B1 SC SC B1 OV  
POP 12HR 10 5 60 20 20  
QPF 12HR 0 0 0.29 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C L C S S S S C  
TSTMS S C S S  
OBVIS K K K  
HEAT INDEX 86 85  
MAX HEAT 89 83 85  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 75 62 77 57 74 54 78 59 80  
TEMP 72 70 66 64 75 75 65 60 72 72 60 56 75 76 64 60 77 78  
DEWPT 67 70 66 64 73 72 65 60 64 65 60 56 65 67 64 60 70 71  
PWIND DIR SE SE W N N E S S SW  
WIND CHAR BZ GN LT LT LT LT LT LT GN  
AVG CLOUDS B2 B2 B2 B2 OV B1 B1 B1 B2 FW FW SC B2 SC SC SC B2 FW  
POP 12HR 50 50 40 20 10 10 10 40 20  
RAIN SHWRS C C C C S C S S C C S  
TSTMS S C C S C S S S S  
 
 
SDZ050-120900-  
BURKE-GREGORY SD  
43.18N 99.29W ELEV. 2142 FT  
438 PM CDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 FRI  
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 66 82 63 74 61  
TEMP 85 73 70 68 67 72 78 81 79 71 68 67 65 67 69 72 72 67 66 63 62  
DEWPT 72 70 70 68 67 71 70 68 69 69 68 67 65 67 69 67 68 67 66 63 62  
RH 65 90100100100 97 76 65 72 93100100100100100 84 87100100100100  
WIND DIR E NE NE E NW NE E E E NE E NE NE NE NE E E E E E E  
WIND SPD 9 6 8 6 6 9 11 11 11 12 11 11 13 14 16 16 14 13 12 13 12  
WIND GUST 26 26  
CLOUDS SC B1 B1 B1 B2 SC SC SC B1 OV OV OV OV OV B2 B1 B1 B2 OV OV OV  
POP 12HR 30 10 90 50 60  
QPF 12HR 0.11 0 0.91 0.13 0.09  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S C C D C C C C C C C L L C  
TSTMS S S C C C S C C S C C C  
OBVIS F+ F+ PF K K K  
HEAT INDEX 91 84  
MAX HEAT 97 89 85  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 74 62 76 59 75 59 78 62 82  
TEMP 68 70 67 64 72 74 65 61 71 73 63 61 73 76 66 63 77 79  
DEWPT 68 70 67 64 71 70 65 61 66 66 63 61 68 69 66 63 70 70  
PWIND DIR SE S NW N NE SE S S S  
WIND CHAR GN GN GN LT LT LT GN GN GN  
AVG CLOUDS OV B2 B2 B2 OV B2 B1 SC B1 SC SC B1 B2 SC SC SC B1 FW  
POP 12HR 40 40 50 30 10 30 20 30 10  
RAIN SHWRS C S S C C C C C C C S C S  
TSTMS C S S C C C C S C C S C S  
 
 
SDZ057-120900-  
CHAMBERLAIN-BRULE SD  
43.77N 99.32W ELEV. 1565 FT  
438 PM CDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 FRI  
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 65 83 63 76 61  
TEMP 86 74 71 69 66 73 80 83 80 72 69 67 65 68 72 74 74 69 66 64 62  
DEWPT 72 73 71 69 66 72 71 70 70 71 69 67 65 68 68 68 68 67 66 64 62  
RH 63 97100100100 97 74 65 72 97100100100100 87 82 82 93100100100  
WIND DIR E E E SE N E E E E NE NE NE NE NE E E E E E E E  
WIND SPD 9 8 6 5 5 8 10 10 10 11 11 11 11 12 14 16 14 13 12 13 12  
CLOUDS SC B1 SC SC B1 B1 SC SC SC OV OV OV OV B2 B1 B1 B1 B1 B2 B2 OV  
POP 12HR 50 20 60 40 50  
QPF 12HR 0.13 0 0.53 0.17 0.04  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S S L L L C C C C C S S C C C  
TSTMS S S C C C S S S S S S S  
OBVIS F+ PF K K K  
HEAT INDEX 92 83 87 83  
MAX HEAT 97 90 83 87  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 75 62 78 58 77 58 80 62 84  
TEMP 69 72 68 64 74 76 66 61 73 75 65 62 75 78 68 63 79 81  
DEWPT 69 72 68 64 71 71 66 61 65 66 65 62 69 70 68 63 71 71  
PWIND DIR SE SE NW N NE SE SE S S  
WIND CHAR GN GN GN LT LT LT GN GN GN  
AVG CLOUDS OV B2 B2 B2 OV B2 B1 SC B1 SC SC B1 B2 SC SC SC B1 FW  
POP 12HR 40 40 40 30 10 30 20 40 10  
RAIN SHWRS C C S C C C C S C C S C S  
TSTMS S S S C C C C S S C S C S  
 
 
SDZ038-120900-  
HURON-BEADLE SD  
44.38N 98.22W ELEV. 1282 FT  
438 PM CDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 FRI  
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 65 83 63 78 62  
TEMP 86 72 70 67 66 72 80 83 80 71 68 67 65 68 74 77 75 68 65 64 63  
DEWPT 72 71 70 67 66 70 68 68 70 69 68 67 65 67 66 66 67 65 64 63 62  
RH 63 97100100100 93 67 61 72 93100100100 97 76 69 76 90 97 97 97  
WIND DIR E E E E NE E E E NE NE E NE N NE E E E E E E E  
WIND SPD 8 8 4 4 4 6 8 8 8 8 8 6 9 10 12 12 11 10 9 9 11  
CLOUDS SC SC B1 B1 B1 B1 SC B1 B2 OV OV OV OV B2 B2 B1 B1 SC B1 B1 OV  
POP 12HR 20 10 60 30 10  
QPF 12HR 0.04 0 0.39 0.02 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C L C C C  
TSTMS S S C S C C S C  
OBVIS F K K K  
HEAT INDEX 91 82 86 83  
MAX HEAT 95 90 83 87  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 76 63 77 59 76 58 79 61 83  
TEMP 72 71 67 64 74 74 64 60 73 74 62 59 75 77 66 63 79 80  
DEWPT 67 71 67 64 70 72 64 60 64 66 62 59 66 70 66 63 70 71  
PWIND DIR SE S NW N N E S S S  
WIND CHAR GN LT LT LT LT LT GN GN GN  
AVG CLOUDS OV B2 B2 B2 OV B2 B1 SC B1 SC SC SC B2 SC SC SC B1 FW  
POP 12HR 50 40 30 20 10 20 20 40 10  
RAIN SHWRS C C C S C S S S S S C C  
TSTMS C C S S C S S S S S C C  
 
 
SDZ059-120900-  
MITCHELL-DAVISON SD  
43.76N 98.02W ELEV. 1312 FT  
438 PM CDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 FRI  
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 66 85 65 78 62  
TEMP 86 73 71 68 67 74 80 84 81 72 69 68 66 69 74 78 76 69 66 64 63  
DEWPT 72 73 71 68 67 71 71 70 72 71 69 68 66 69 69 69 69 68 66 64 63  
RH 63100100100100 90 74 63 74 97100100100100 84 74 79 97100100100  
WIND DIR E E E SE NE E E E NE NE NE NE NE NE E E E E E E E  
WIND SPD 8 8 5 4 5 6 9 9 10 9 9 9 10 12 13 13 12 11 10 10 11  
CLOUDS SC SC SC B1 B2 B1 B1 SC B1 OV OV OV OV B2 B2 B1 B1 B1 B1 B2 OV  
POP 12HR 20 5 70 40 40  
QPF 12HR 0.03 0 0.44 0.15 0.03  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C L L C C C C L  
TSTMS S C C S S S S S C  
OBVIS PF K K K  
HEAT INDEX 92 84 89 85  
MAX HEAT 98 89 85 90  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 77 63 78 60 76 58 79 62 83  
TEMP 71 72 68 65 74 75 66 62 73 74 63 60 74 76 67 63 79 80  
DEWPT 70 71 68 65 73 74 66 62 67 69 63 60 69 71 67 63 72 74  
PWIND DIR SE SE NW N N E S S S  
WIND CHAR GN LT LT LT LT LT GN GN GN  
AVG CLOUDS OV B2 B2 B2 OV B2 B1 B1 B1 SC SC SC B2 SC SC SC B1 FW  
POP 12HR 60 40 30 20 10 20 20 40 10  
RAIN SHWRS L C C S C C S S S S S C C  
TSTMS C C S S C C S S S C C  
 
 
SDZ062-120900-  
SIOUX FALLS-MINNEHAHA SD  
43.57N 96.73W ELEV. 1424 FT  
438 PM CDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 FRI  
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 67 84 66 77 63  
TEMP 84 73 71 68 67 75 80 83 81 73 70 68 67 70 74 77 75 69 66 65 64  
DEWPT 73 72 70 68 67 71 71 71 71 71 70 68 67 68 69 69 69 67 65 63 63  
RH 70 97 97100100 87 74 67 72 93100100100 93 84 76 82 93 97 93 97  
WIND DIR NE E NE NE NE E E E E E NE E NE NE NE E E E E E E  
WIND SPD 9 9 4 4 4 8 9 8 8 8 8 8 8 11 12 12 11 10 9 11 12  
CLOUDS SC SC SC B1 OV B2 SC SC SC OV B2 OV OV B2 B2 B1 B1 B1 SC B2 OV  
POP 12HR 10 5 60 40 30  
QPF 12HR 0.01 0 0.31 0.08 0.03  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C L L C C S S C C L  
TSTMS S C S S S S S C  
OBVIS F PF K K K  
HEAT INDEX 91 84 88 86  
MAX HEAT 97 89 85 90 85  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 76 65 79 62 75 58 77 61 81  
TEMP 72 71 68 66 76 77 67 63 73 73 62 59 74 75 66 62 77 79  
DEWPT 70 71 68 66 74 74 67 63 67 68 62 59 67 69 66 62 72 73  
PWIND DIR SE SE NW N N E S S SW  
WIND CHAR GN LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 OV B2 B1 B1 B2 SC SC SC B2 B1 SC SC B2 SC  
POP 12HR 60 50 40 40 20 10 10 30 10  
RAIN SHWRS L C C C C C C C S C C S  
TSTMS C C C S S C C S C S  
 
 
SDZ070-120900-  
VERMILLION-CLAY SD  
42.95N 96.92W ELEV. 1132 FT  
438 PM CDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 FRI  
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 68 85 66 77 64  
TEMP 88 75 73 70 69 76 81 84 83 74 72 69 68 72 74 76 75 70 68 65 65  
DEWPT 76 75 73 70 69 75 75 75 76 74 72 69 68 72 73 74 73 70 68 65 65  
RH 68100100100100 97 82 74 80100100100100100 97 94 94100100100100  
WIND DIR NE E NE NE E NE NE NE E E E E NE E NE E E E E E E  
WIND SPD 6 8 8 5 6 8 10 9 9 10 9 8 8 10 13 13 12 12 10 11 11  
WIND GUST 18  
CLOUDS SC SC B1 B2 OV B2 SC SC SC B2 OV OV OV B2 B2 B1 B1 B1 B1 B2 OV  
POP 12HR 30 5 80 60 60  
QPF 12HR 0.04 0 0.96 0.15 0.12  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S D D L L S S C C L L C  
TSTMS S S C S S S S S C C C S C  
OBVIS PF PF K K  
HEAT INDEX 100 87 92 90  
MAX HEAT 106 100 89 95 88  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 78 65 80 63 76 59 77 62 81  
TEMP 73 73 70 68 77 78 69 65 73 75 65 61 73 75 67 63 77 79  
DEWPT 73 73 70 68 77 77 69 65 72 72 65 61 71 73 67 63 74 76  
PWIND DIR SE SE NW N N E SE S SW  
WIND CHAR GN LT LT LT LT LT LT LT GN  
AVG CLOUDS OV B2 B2 B2 OV B2 B1 B1 B2 SC SC SC B2 B1 SC SC B2 SC  
POP 12HR 40 50 40 40 20 10 10 30 10  
RAIN SHWRS C S C C C C C C S S C  
TSTMS C S C C C C C S S C  
 
 
SDZ069-120900-  
YANKTON-YANKTON SD  
42.95N 97.39W ELEV. 1207 FT  
438 PM CDT TUE AUG 11 2026  
 
DATE 08/11/26 WED 08/12/26 THU 08/13/26 FRI  
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 68 84 66 76 63  
TEMP 87 75 71 69 69 74 80 83 82 74 71 69 68 70 73 76 74 70 68 66 64  
DEWPT 74 75 71 69 69 74 75 74 75 74 71 69 68 70 72 73 73 70 68 66 64  
RH 65100100100100100 85 74 79100100100100100 97 90 97100100100100  
WIND DIR NE NE NE NE E NE NE NE E E NE E NE E NE E E E E E E  
WIND SPD 8 6 8 6 6 8 9 9 9 10 9 9 9 11 13 13 13 12 11 11 12  
WIND GUST 17  
CLOUDS SC B1 B1 B1 B2 B2 SC SC SC B2 OV OV OV B2 B2 B1 B1 B1 B1 OV OV  
POP 12HR 30 0 80 60 60  
QPF 12HR 0.06 0 0.82 0.10 0.10  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C L D L L S S C C L L C  
TSTMS S C C S S S S C S C C C  
OBVIS F PF K K  
HEAT INDEX 95 84 89 89  
MAX HEAT 99 93 87 92 86  
 
DATE 08/14 SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26  
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 77 65 79 62 77 59 78 62 82  
TEMP 72 74 69 67 77 77 69 64 73 75 65 61 73 76 67 63 77 79  
DEWPT 72 74 69 67 76 76 69 64 71 72 65 61 71 73 67 63 74 76  
PWIND DIR SE SE NW N N E S S SW  
WIND CHAR GN LT LT LT LT LT LT LT GN  
AVG CLOUDS OV B2 B2 B2 OV B2 B1 B1 B2 SC SC SC B2 SC SC SC B1 SC  
POP 12HR 40 50 50 40 10 20 10 30 10  
RAIN SHWRS C S C C C C C C S C C  
TSTMS C S C C C C C S S C C  
 
 
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