799  
FOUS53 KFSD 160842  
PFMFSD  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
342 AM CDT FRI MAY 16 2008  
 
IAZ012-162215-  
SIOUX CENTER-SIOUX IA  
43.08N 96.18W  
342 AM CDT FRI MAY 16 2008  
 
DATE FRI 05/16/08 SAT 05/17/08 SUN 05/18/08  
UTC 3HRLY 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23  
CDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
MAX/MIN 77 51 75 47 74  
TEMP 46 56 70 75 75 67 60 55 51 61 71 73 73 63 54 49 47 58 69 71 73  
DEWPT 42 44 41 40 45 49 50 50 49 48 42 39 41 42 43 42 41 42 41 41 41  
RH 86 64 35 28 34 52 69 83 93 62 35 29 31 46 66 77 79 55 36 34 31  
WIND DIR W W W W W W NW N NW NW NW NW NW NW NW NW N N NW NW N  
WIND SPD 5 8 14 19 19 13 11 8 5 13 21 21 20 14 4 3 3 6 11 11 9  
CLOUDS FW FW FW SC B1 B2 B1 B1 SC SC SC SC SC SC SC SC B1 B1 B1 SC SC  
POP 12HR 5 20 0 0 0  
QPF 12HR 0 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S  
TSTMS S  
 
DATE MON 05/19/08 TUE 05/20/08 WED 05/21/08 THU 05/22/08  
UTC 6HRLY 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MIN/MAX 50 79 53 78 57 80 53 78  
TEMP 56 50 71 78 61 53 73 77 61 57 74 78 62 54 71 76  
DEWPT 44 45 51 51 48 47 47 47 49 53 55 57 55 53 57 57  
PWIND DIR E SW NW N E SE E E  
WIND CHAR GN GN LT GN GN BZ BZ BZ  
AVG CLOUDS B1 B1 B1 SC B1 SC SC SC SC SC B1 B1 SC B1 B2 B2  
POP 12HR 10 5 5 5 10 10 40 50  
RAIN SHWRS C C C C  
TSTMS C C C C  
 

 
IAZ031-162215-  
SIOUX CITY-WOODBURY IA  
42.40N 96.38W  
342 AM CDT FRI MAY 16 2008  
 
DATE FRI 05/16/08 SAT 05/17/08 SUN 05/18/08  
UTC 3HRLY 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23  
CDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
MAX/MIN 77 54 77 49 76  
TEMP 45 56 70 75 76 68 61 57 54 62 73 75 75 65 57 52 49 59 71 73 75  
DEWPT 44 45 41 40 44 49 51 51 50 50 44 41 42 44 45 44 43 44 43 43 43  
RH 96 66 35 28 32 51 70 80 86 65 35 29 31 46 64 74 80 57 36 34 32  
WIND DIR W W W W W W NW NW NW NW NW NW NW NW NW NW NW NW NW NW N  
WIND SPD 5 9 13 16 17 11 11 10 5 10 17 21 20 12 4 3 3 6 10 11 10  
CLOUDS FW FW FW SC SC B1 B1 SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC  
POP 12HR 5 10 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE MON 05/19/08 TUE 05/20/08 WED 05/21/08 THU 05/22/08  
UTC 6HRLY 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MIN/MAX 53 81 56 82 59 81 55 78  
TEMP 58 53 73 80 64 56 75 81 64 59 76 79 64 56 72 76  
DEWPT 46 48 52 52 50 48 48 49 52 55 57 60 58 55 59 60  
PWIND DIR E SW NW N E SE E E  
WIND CHAR LT GN LT GN GN BZ BZ BZ  
AVG CLOUDS B1 B1 B1 SC SC SC SC SC SC SC B1 SC SC SC B2 B2  
POP 12HR 5 5 0 5 20 10 30 50  
RAIN SHWRS S C C C C  
TSTMS S C C C C  
 

 
IAZ014-162215-  
SPENCER-CLAY IA  
43.15N 95.18W  
342 AM CDT FRI MAY 16 2008  
 
DATE FRI 05/16/08 SAT 05/17/08 SUN 05/18/08  
UTC 3HRLY 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23  
CDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
MAX/MIN 76 49 74 44 72  
TEMP 47 59 71 74 74 65 57 52 49 60 70 72 72 61 51 46 44 57 68 70 71  
DEWPT 44 43 39 38 43 48 49 49 48 46 40 37 37 40 41 40 40 39 38 38 38  
RH 89 55 31 27 33 54 75 89 96 60 33 28 28 46 68 79 86 51 33 31 30  
WIND DIR W W W W W W NW NW NW NW NW NW NW N NW NW NW N N N N  
WIND SPD 5 9 14 20 21 13 12 9 5 13 20 21 20 13 6 6 6 10 13 14 12  
WIND GUST 32  
CLOUDS FW FW FW SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 5 10 5 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE MON 05/19/08 TUE 05/20/08 WED 05/21/08 THU 05/22/08  
UTC 6HRLY 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MIN/MAX 49 76 50 76 54 80 52 77  
TEMP 53 49 70 75 59 50 71 75 58 54 73 78 61 53 70 75  
DEWPT 41 44 48 49 48 47 46 47 49 52 54 57 55 52 57 56  
PWIND DIR E SW NW N E E E E  
WIND CHAR GN GN GN GN GN BZ BZ BZ  
AVG CLOUDS SC B1 B2 B1 B1 SC SC SC SC B1 B2 B1 B1 B1 B2 B2  
POP 12HR 20 10 5 10 10 10 40 50  
RAIN SHWRS S C C C C  
TSTMS C C C C  
 

 
IAZ022-162215-  
STORM LAKE-BUENA VISTA  
42.60N 95.23W  
342 AM CDT FRI MAY 16 2008  
 
DATE FRI 05/16/08 SAT 05/17/08 SUN 05/18/08  
UTC 3HRLY 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23  
CDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
MAX/MIN 77 53 75 47 73  
TEMP 49 59 71 75 76 66 60 56 53 62 71 73 73 62 54 50 47 58 68 70 72  
DEWPT 44 44 39 37 41 46 50 50 49 49 42 38 39 41 43 42 42 42 41 40 40  
RH 83 57 31 25 28 48 69 80 86 62 35 28 29 46 66 74 83 55 37 33 31  
WIND DIR W W W W W W NW N NW NW NW NW NW NW NW NW NW NW NW NW N  
WIND SPD 6 9 14 18 20 12 11 9 6 12 20 21 20 14 6 5 5 9 12 13 11  
CLOUDS FW FW FW SC SC B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 SC SC SC  
POP 12HR 5 5 5 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE MON 05/19/08 TUE 05/20/08 WED 05/21/08 THU 05/22/08  
UTC 6HRLY 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MIN/MAX 50 79 54 79 57 80 53 78  
TEMP 54 50 73 78 63 54 73 77 61 57 73 78 62 54 71 76  
DEWPT 43 45 50 50 51 49 48 48 50 51 53 56 57 53 58 57  
PWIND DIR E SW W N E SE E SE  
WIND CHAR GN GN GN GN GN BZ BZ BZ  
AVG CLOUDS SC B1 B1 B1 SC SC SC SC SC SC B1 B1 SC B1 B2 B2  
POP 12HR 20 10 5 5 10 10 40 50  
RAIN SHWRS S C C C C  
TSTMS C C C C  
 

 
MNZ072-162215-  
MARSHALL-LYON MN  
44.47N 95.82W  
342 AM CDT FRI MAY 16 2008  
 
DATE FRI 05/16/08 SAT 05/17/08 SUN 05/18/08  
UTC 3HRLY 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23  
CDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
MAX/MIN 78 49 73 46 71  
TEMP 47 58 70 76 76 68 59 54 49 58 69 70 71 62 52 48 46 55 65 68 69  
DEWPT 41 41 40 44 50 48 46 45 44 44 37 35 35 36 37 37 36 37 36 35 35  
RH 79 53 33 32 40 49 62 71 83 59 31 27 27 38 56 65 68 51 34 29 28  
WIND DIR W W W W NW NW NW NW W NW NW NW NW N NW NW NW N N N N  
WIND SPD 8 11 18 24 20 14 11 9 9 13 18 23 21 13 6 6 8 9 11 11 10  
WIND GUST 32  
CLOUDS SC SC SC B1 B2 B2 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 20 20 5 0 0  
QPF 12HR 0.01 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S  
TSTMS S S  
 
DATE MON 05/19/08 TUE 05/20/08 WED 05/21/08 THU 05/22/08  
UTC 6HRLY 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MIN/MAX 49 75 50 73 54 74 52 72  
TEMP 53 49 69 74 59 50 67 72 58 54 69 72 59 53 67 70  
DEWPT 38 43 46 47 44 45 44 44 45 44 47 52 47 47 49 51  
PWIND DIR SE W NW N E E E E  
WIND CHAR LT GN LT GN GN BZ BZ WY  
AVG CLOUDS SC B1 B2 B1 B1 B1 SC SC SC B1 B2 B2 B1 B1 OV OV  
POP 12HR 20 10 10 10 10 10 40 50  
RAIN SHWRS S C C C C  
TSTMS C C C C  
 

 
MNZ081-162215-  
WINDOM-COTTONWOOD MN  
43.87N 95.12W  
342 AM CDT FRI MAY 16 2008  
 
DATE FRI 05/16/08 SAT 05/17/08 SUN 05/18/08  
UTC 3HRLY 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23  
CDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
MAX/MIN 77 49 72 45 70  
TEMP 47 57 69 75 74 66 58 53 49 58 68 69 70 60 51 47 45 55 66 68 68  
DEWPT 43 41 37 38 44 48 48 46 45 43 36 32 34 36 37 38 38 38 36 34 34  
RH 86 55 31 26 34 52 69 77 86 57 31 25 26 41 59 71 76 53 33 28 28  
WIND DIR W W W W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW N  
WIND SPD 8 11 17 23 23 16 12 9 9 16 20 24 23 16 6 8 9 10 12 13 12  
WIND GUST 33  
CLOUDS FW FW SC SC B2 B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 10 20 5 0 0  
QPF 12HR 0 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S  
TSTMS S  
 
DATE MON 05/19/08 TUE 05/20/08 WED 05/21/08 THU 05/22/08  
UTC 6HRLY 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MIN/MAX 48 74 50 74 52 76 52 73  
TEMP 52 48 68 73 59 50 68 73 56 52 70 74 60 53 67 71  
DEWPT 37 43 46 47 46 46 45 45 46 46 49 54 50 51 51 51  
PWIND DIR SE SW NW N E E E E  
WIND CHAR GN GN LT GN GN BZ WY WY  
AVG CLOUDS SC B1 B2 B1 B1 SC SC SC SC B1 B1 B2 B1 B1 B2 B2  
POP 12HR 20 10 10 10 10 10 40 50  
RAIN SHWRS S C C C C  
TSTMS C C C C  
 

 
MNZ089-162215-  
WORTHINGTON-NOBLES MN  
43.65N 95.58W  
342 AM CDT FRI MAY 16 2008  
 
DATE FRI 05/16/08 SAT 05/17/08 SUN 05/18/08  
UTC 3HRLY 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23  
CDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
MAX/MIN 76 50 73 45 71  
TEMP 46 56 69 74 74 66 58 53 50 59 69 70 71 60 51 47 45 55 66 68 70  
DEWPT 42 41 38 39 45 49 48 46 45 45 39 36 37 38 38 38 37 37 36 36 37  
RH 86 57 32 28 35 54 69 77 83 60 33 29 29 44 61 71 73 51 33 31 30  
WIND DIR W W W W W NW NW NW NW NW NW NW NW N NW NW NW N N N N  
WIND SPD 8 11 17 23 23 14 13 9 8 13 20 23 21 14 6 8 8 10 13 13 12  
WIND GUST 33  
CLOUDS FW FW FW SC B1 B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 10 20 5 0 0  
QPF 12HR 0 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S  
TSTMS S  
 
DATE MON 05/19/08 TUE 05/20/08 WED 05/21/08 THU 05/22/08  
UTC 6HRLY 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MIN/MAX 48 74 50 74 53 76 52 73  
TEMP 53 48 68 73 59 50 68 73 57 53 70 74 60 53 67 71  
DEWPT 39 44 47 48 46 46 45 45 47 49 51 54 51 52 52 51  
PWIND DIR SE SW NW N E E E E  
WIND CHAR GN GN GN GN GN BZ BZ WY  
AVG CLOUDS SC B1 B2 B1 B1 SC SC SC SC B1 B2 B2 B1 B1 B2 B2  
POP 12HR 20 10 5 10 10 10 40 50  
RAIN SHWRS S C C C C  
TSTMS C C C C  
 

 
SDZ040-162215-  
BROOKINGS-BROOKINGS SD  
44.30N 96.80W  
342 AM CDT FRI MAY 16 2008  
 
DATE FRI 05/16/08 SAT 05/17/08 SUN 05/18/08  
UTC 3HRLY 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23  
CDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
MAX/MIN 77 48 72 43 72  
TEMP 44 56 69 75 74 66 57 52 48 57 68 70 70 61 51 46 43 55 67 69 70  
DEWPT 40 41 43 47 50 48 47 46 45 43 39 38 39 39 38 37 37 38 39 39 40  
RH 86 57 39 37 43 52 69 80 89 59 34 31 32 44 61 71 79 53 36 33 33  
WIND DIR W W W W NW NW N NW W NW NW NW NW NW NW NW NW N N N N  
WIND SPD 4 10 17 21 19 13 9 5 5 11 18 19 18 12 2 2 2 6 10 9 9  
CLOUDS SC SC SC B1 B2 B2 SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC  
POP 12HR 20 10 0 0 0  
QPF 12HR 0.01 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S  
TSTMS S S  
 
DATE MON 05/19/08 TUE 05/20/08 WED 05/21/08 THU 05/22/08  
UTC 6HRLY 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MIN/MAX 48 76 48 74 53 73 49 70  
TEMP 55 48 69 75 58 48 67 73 58 53 68 71 57 50 64 68  
DEWPT 42 44 49 49 45 44 44 45 47 50 51 51 48 47 48 49  
PWIND DIR SE W NW N E E E NE  
WIND CHAR GN GN LT GN GN BZ BZ BZ  
AVG CLOUDS B1 B1 B1 B1 SC SC SC SC SC B1 B2 B2 B1 B1 B2 B2  
POP 12HR 10 5 5 5 10 10 40 50  
RAIN SHWRS C C C C  
TSTMS C C C C  
 

 
SDZ050-162215-  
BURKE-GREGORY SD  
43.18N 99.29W  
342 AM CDT FRI MAY 16 2008  
 
DATE FRI 05/16/08 SAT 05/17/08 SUN 05/18/08  
UTC 3HRLY 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23  
CDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
MAX/MIN 79 51 78 49 80  
TEMP 46 57 71 77 76 69 61 56 51 59 71 75 76 66 56 52 49 59 73 77 79  
DEWPT 37 39 42 46 47 46 45 44 44 45 42 40 41 42 42 41 42 44 44 44 46  
RH 71 51 35 33 36 44 56 64 77 60 35 28 28 42 59 66 77 57 35 31 31  
WIND DIR W W W NW NW NW NW NW NW NW NW NW NW N NW W W W NW N NE  
WIND SPD 9 12 18 21 20 12 11 12 11 13 21 24 23 10 4 4 5 6 8 6 8  
CLOUDS SC SC SC SC B1 B1 SC SC SC SC SC SC B1 B1 SC SC SC SC SC SC SC  
POP 12HR 10 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE MON 05/19/08 TUE 05/20/08 WED 05/21/08 THU 05/22/08  
UTC 6HRLY 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MIN/MAX 52 84 54 84 57 82 50 75  
TEMP 61 52 76 83 63 54 76 83 64 57 76 79 60 52 68 73  
DEWPT 47 47 47 46 46 46 44 45 50 53 57 60 51 51 52 53  
PWIND DIR SE NW NW N E SE NE N  
WIND CHAR GN GN LT GN GN BZ BZ BZ  
AVG CLOUDS SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B2 B2  
POP 12HR 5 0 0 5 20 10 30 20  
RAIN SHWRS S C C S S  
TSTMS S C C  
 

 
SDZ057-162215-  
CHAMBERLAIN-BRULE SD  
43.77N 99.32W  
342 AM CDT FRI MAY 16 2008  
 
DATE FRI 05/16/08 SAT 05/17/08 SUN 05/18/08  
UTC 3HRLY 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23  
CDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
MAX/MIN 81 50 79 47 81  
TEMP 46 57 72 79 77 70 60 56 50 58 72 76 77 67 56 51 47 57 73 78 79  
DEWPT 37 39 45 48 47 47 46 45 45 46 43 41 42 43 42 42 42 45 45 44 45  
RH 71 51 38 34 35 44 60 66 83 64 35 28 29 42 59 71 83 64 37 30 30  
WIND DIR W W W NW NW NW NW NW NW NW NW NW NW N NW NW W W NW N E  
WIND SPD 9 11 17 20 23 13 10 9 9 12 20 23 21 9 3 4 4 5 9 8 8  
WIND GUST 33  
CLOUDS SC SC SC B1 B1 SC SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC B1  
POP 12HR 10 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE MON 05/19/08 TUE 05/20/08 WED 05/21/08 THU 05/22/08  
UTC 6HRLY 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MIN/MAX 51 85 54 83 58 80 51 76  
TEMP 61 51 77 84 63 54 75 82 65 58 75 77 61 52 69 74  
DEWPT 47 46 48 46 46 45 45 46 49 52 55 58 52 51 53 54  
PWIND DIR SE NW NW N E E NE N  
WIND CHAR GN GN GN LT GN BZ BZ BZ  
AVG CLOUDS B1 SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B2 B1  
POP 12HR 5 0 0 5 20 10 30 20  
RAIN SHWRS S C C S S  
TSTMS S C C  
 

 
SDZ038-162215-  
HURON-BEADLE SD  
44.38N 98.22W  
342 AM CDT FRI MAY 16 2008  
 
DATE FRI 05/16/08 SAT 05/17/08 SUN 05/18/08  
UTC 3HRLY 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23  
CDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
MAX/MIN 80 48 76 45 76  
TEMP 42 54 71 78 78 67 57 52 48 58 70 73 74 63 53 48 45 57 70 73 75  
DEWPT 38 43 47 49 50 50 49 46 45 46 43 42 42 42 42 41 40 42 44 44 45  
RH 86 66 42 36 37 54 75 80 89 64 38 33 32 46 66 77 82 57 39 35 34  
WIND DIR SW SW W NW NW NW NW NW NW NW NW NW NW N W W W NW N N NE  
WIND SPD 5 10 16 19 20 13 10 9 6 10 17 21 20 9 3 3 3 6 10 9 8  
WIND GUST 32  
CLOUDS SC SC SC B1 B2 B1 SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1  
POP 12HR 20 0 0 0 5  
QPF 12HR 0.03 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S  
TSTMS S  
 
DATE MON 05/19/08 TUE 05/20/08 WED 05/21/08 THU 05/22/08  
UTC 6HRLY 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MIN/MAX 50 82 51 78 54 74 51 73  
TEMP 59 50 75 81 59 51 70 77 60 54 70 72 59 52 67 71  
DEWPT 47 46 50 48 46 44 45 46 50 53 53 53 51 51 53 54  
PWIND DIR SE W NW N E E NE NE  
WIND CHAR GN GN LT LT GN BZ BZ BZ  
AVG CLOUDS B1 B1 B1 SC SC SC SC SC SC SC B1 B1 B1 B1 B2 B2  
POP 12HR 10 5 5 5 10 10 40 30  
RAIN SHWRS C C C C  
TSTMS C C  
 

 
SDZ059-162215-  
MITCHELL-DAVISON SD  
43.76N 98.02W  
342 AM CDT FRI MAY 16 2008  
 
DATE FRI 05/16/08 SAT 05/17/08 SUN 05/18/08  
UTC 3HRLY 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23  
CDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
MAX/MIN 80 51 77 46 78  
TEMP 45 56 70 78 77 68 59 54 51 61 73 75 75 65 55 50 46 58 72 75 76  
DEWPT 41 43 43 47 51 51 50 48 47 47 43 42 43 44 43 43 42 43 44 44 45  
RH 86 62 38 33 40 54 72 80 86 60 34 31 32 46 64 77 86 57 37 33 33  
WIND DIR W W W NW NW NW NW NW NW NW NW NW NW N W W W NW NW N NE  
WIND SPD 6 10 16 19 19 12 11 9 6 10 17 21 20 10 3 4 4 8 10 9 8  
CLOUDS SC SC SC B1 B2 B1 SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1  
POP 12HR 20 5 0 0 5  
QPF 12HR 0.01 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S  
TSTMS S  
 
DATE MON 05/19/08 TUE 05/20/08 WED 05/21/08 THU 05/22/08  
UTC 6HRLY 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MIN/MAX 51 83 54 79 56 77 53 75  
TEMP 59 51 76 82 62 54 73 78 62 56 72 75 61 54 69 73  
DEWPT 48 47 50 49 46 45 46 47 50 54 55 56 52 53 54 54  
PWIND DIR SE W NW N E E NE NE  
WIND CHAR GN GN GN LT GN BZ BZ BZ  
AVG CLOUDS B1 B1 B1 SC SC SC SC SC SC SC B1 B1 SC B1 B2 B2  
POP 12HR 5 0 5 5 20 10 40 30  
RAIN SHWRS S C C C C  
TSTMS S C C  
 

 
SDZ062-162215-  
SIOUX FALLS-MINNEHAHA SD  
43.57N 96.73W  
342 AM CDT FRI MAY 16 2008  
 
DATE FRI 05/16/08 SAT 05/17/08 SUN 05/18/08  
UTC 3HRLY 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23  
CDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
MAX/MIN 78 50 75 44 74  
TEMP 45 57 70 76 75 65 58 53 50 60 70 72 73 62 52 47 44 57 69 71 73  
DEWPT 42 43 42 44 48 50 50 49 48 46 41 40 41 42 41 40 39 41 41 41 42  
RH 89 59 36 32 38 58 75 86 93 60 35 31 31 48 66 76 82 55 36 34 33  
WIND DIR NW W W W W NW NW NW NW NW NW NW NW NW NW NW NW N N NW N  
WIND SPD 4 9 16 19 21 13 10 6 5 11 19 20 18 13 3 2 2 6 10 9 9  
WIND GUST 32  
CLOUDS FW SC SC SC B2 B2 B1 SC SC SC SC SC SC SC SC SC B1 B1 B1 SC SC  
POP 12HR 10 20 0 0 0  
QPF 12HR 0 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S  
TSTMS S S  
 
DATE MON 05/19/08 TUE 05/20/08 WED 05/21/08 THU 05/22/08  
UTC 6HRLY 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MIN/MAX 48 79 52 77 55 74 53 74  
TEMP 56 48 71 78 60 52 71 76 59 55 70 72 60 54 68 72  
DEWPT 44 45 50 50 46 46 45 46 49 53 54 56 52 53 53 52  
PWIND DIR E W NW N E E E NE  
WIND CHAR GN GN LT GN GN BZ BZ BZ  
AVG CLOUDS B1 B1 B1 SC B1 SC SC SC SC SC B1 B1 SC B1 B2 B2  
POP 12HR 10 5 5 5 10 10 40 50  
RAIN SHWRS C C C C  
TSTMS C C C C  
 

 
SDZ070-162215-  
VERMILLION-CLAY SD  
42.95N 96.92W  
342 AM CDT FRI MAY 16 2008  
 
DATE FRI 05/16/08 SAT 05/17/08 SUN 05/18/08  
UTC 3HRLY 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23  
CDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
MAX/MIN 78 53 78 48 77  
TEMP 46 57 71 76 76 69 62 57 53 62 73 75 75 66 57 52 48 58 71 74 76  
DEWPT 43 44 42 42 46 50 51 50 48 49 44 42 43 43 44 43 43 44 44 44 44  
RH 89 62 35 30 34 51 67 77 83 62 35 31 32 43 62 71 83 59 38 34 32  
WIND DIR W W W W W W NW NW NW NW NW NW NW NW NW NW NW NW NW NW N  
WIND SPD 6 9 14 18 19 12 11 9 6 11 18 21 20 12 4 3 3 6 10 11 9  
CLOUDS FW FW FW SC B1 B2 B1 SC SC SC SC SC SC SC SC SC B1 B1 B1 SC SC  
POP 12HR 5 20 0 0 5  
QPF 12HR 0 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S  
TSTMS S  
 
DATE MON 05/19/08 TUE 05/20/08 WED 05/21/08 THU 05/22/08  
UTC 6HRLY 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MIN/MAX 52 81 55 82 60 82 54 80  
TEMP 60 52 74 81 65 55 75 81 65 60 76 80 63 55 73 78  
DEWPT 47 47 51 52 48 47 47 48 50 53 56 59 56 54 58 58  
PWIND DIR E W W N E SE E E  
WIND CHAR LT GN LT GN GN BZ BZ BZ  
AVG CLOUDS B1 B1 B1 SC SC SC SC SC SC SC B1 SC SC B1 B2 B2  
POP 12HR 5 5 5 5 20 10 40 40  
RAIN SHWRS S C C C C  
TSTMS S C C C C  
 

 
SDZ069-162215-  
YANKTON-YANKTON SD  
42.95N 97.39W  
342 AM CDT FRI MAY 16 2008  
 
DATE FRI 05/16/08 SAT 05/17/08 SUN 05/18/08  
UTC 3HRLY 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23  
CDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
MAX/MIN 79 54 78 48 77  
TEMP 45 55 69 77 77 69 61 57 54 62 72 75 75 67 57 52 48 58 70 74 76  
DEWPT 42 43 42 43 48 50 50 49 47 48 45 43 43 43 43 43 43 44 44 44 45  
RH 89 64 37 30 36 51 67 75 77 60 38 32 32 42 59 71 83 59 39 34 33  
WIND DIR W W W W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW N  
WIND SPD 8 9 16 19 19 12 12 10 8 11 18 23 20 11 5 5 4 8 11 10 9  
CLOUDS FW FW FW SC B1 B2 B1 SC SC SC SC SC SC SC SC SC B1 SC SC B1 B1  
POP 12HR 10 20 0 0 5  
QPF 12HR 0 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S  
TSTMS S  
 
DATE MON 05/19/08 TUE 05/20/08 WED 05/21/08 THU 05/22/08  
UTC 6HRLY 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23  
CDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MIN/MAX 53 82 55 81 59 80 53 77  
TEMP 60 53 74 81 64 55 73 79 65 59 75 78 62 54 70 75  
DEWPT 47 46 51 51 47 46 46 47 50 54 56 59 56 53 57 55  
PWIND DIR E W W N E SE E NE  
WIND CHAR GN GN LT LT GN BZ BZ BZ  
AVG CLOUDS B1 B1 B1 SC SC SC SC SC SC SC B1 B1 SC SC B2 B2  
POP 12HR 5 0 0 5 20 10 30 30  
RAIN SHWRS S C C C C  
TSTMS S C C  
 

 
 
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