Point Forecast Matrices
Issued by NWS Sioux Falls, SD
Issued by NWS Sioux Falls, SD
271 FOUS53 KFSD 040513 PFMFSD Point Forecast Matrices National Weather Service Sioux Falls SD 1213 AM CDT Fri Sep 4 2026 IAZ012-050900- SIOUX CENTER-SIOUX IA 43.08N 96.18W Elev. 1446 ft 1213 AM CDT Fri Sep 4 2026 Date 09/03/26 Fri 09/04/26 Sat 09/05/26 Sun 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 71 92 70 92 70 Temp 76 73 71 80 89 91 88 76 73 72 70 81 89 92 87 75 74 72 70 Dewpt 71 68 67 73 74 73 73 73 71 71 70 74 75 73 73 72 71 70 69 RH 85 84 87 79 61 56 61 90 93 97100 79 64 54 63 90 90 93 97 Wind dir S S S SE E E E E E E E SE SE S SE SE SE SE SE Wind spd 5 4 3 3 4 4 4 4 4 4 4 5 8 8 5 6 6 6 5 Clouds FW FW CL CL CL FW FW SC CL FW SC B1 SC FW SC SC SC B1 B1 PoP 12hr 0 0 5 30 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C Tstms S S C Heat index 85 99100 96 86 99100 94 Max heat 100 101 91 100 101 89 Date 09/06 Mon 09/07/26 Tue 09/08/26 Wed 09/09/26 Thu 09/10/26 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 88 69 87 72 88 65 85 62 82 Temp 85 83 72 70 83 84 76 73 84 83 70 66 82 81 67 63 79 77 Dewpt 73 73 69 67 72 72 66 64 72 71 66 63 68 67 61 58 63 64 PWind dir SE SE SE S SW SW S N SE Wind char GN GN BZ BZ GN LT LT LT LT Avg clouds B1 SC SC B1 B2 B1 SC B1 B2 SC SC SC B1 FW FW SC B1 SC PoP 12hr 40 50 40 40 50 30 10 20 20 Rain shwrs C S C C S C C C C C S S S S Tstms C S C C S S C S S S $$ IAZ031-050900- SIOUX CITY-WOODBURY IA 42.40N 96.38W Elev. 1210 ft 1213 AM CDT Fri Sep 4 2026 Date 09/03/26 Fri 09/04/26 Sat 09/05/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 93 71 93 71 Temp 77 74 72 80 90 93 89 79 75 73 72 81 90 93 89 79 76 73 72 Dewpt 70 67 67 71 74 73 74 73 72 70 69 73 74 71 71 71 70 69 68 RH 79 79 84 74 60 52 61 82 90 90 90 77 60 49 56 77 82 87 87 Wind dir SE SE SE SW SE SE SE E E E SE SE SE SE SE SE SE S SE Wind spd 6 5 3 3 4 4 4 4 3 3 3 4 6 8 5 5 4 4 4 Clouds CL CL FW CL FW FW FW SC FW FW SC SC SC SC FW SC SC SC B1 PoP 12hr 0 0 5 10 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S S Heat index 84 99102 98 85 99100 96 Max heat 101 104 96 101 101 94 Date 09/06 Mon 09/07/26 Tue 09/08/26 Wed 09/09/26 Thu 09/10/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 70 90 74 91 68 87 64 84 Temp 88 85 75 72 87 87 79 76 88 86 73 69 85 84 70 66 82 80 Dewpt 71 71 69 66 70 69 65 63 69 69 66 63 67 66 63 59 62 63 PWind dir SE SE SE S SW SW S NE SE Wind char GN GN GN GN GN LT LT LT LT Avg clouds SC SC SC B1 B2 SC SC B1 B2 SC SC SC B1 SC SC B1 B1 SC PoP 12hr 20 30 30 40 40 40 10 20 20 Rain shwrs S C C S C C C C C S S Tstms S C S S C S S S S S $$ IAZ014-050900- SPENCER-CLAY IA 43.15N 95.18W Elev. 1325 ft 1213 AM CDT Fri Sep 4 2026 Date 09/03/26 Fri 09/04/26 Sat 09/05/26 Sun 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 71 93 69 93 69 Temp 75 73 71 81 89 92 88 75 72 70 69 80 88 92 87 75 73 71 69 Dewpt 68 67 66 71 73 72 73 72 70 70 69 73 74 71 72 71 71 70 69 RH 79 81 84 72 59 52 61 90 93100100 79 63 51 61 87 93 97100 Wind dir S S S SW E E E E E E E E SE SE SE SE SE SE SE Wind spd 8 5 4 4 4 4 4 4 3 3 3 4 6 8 5 8 6 6 5 Clouds CL FW CL CL CL CL CL FW FW FW SC SC SC FW SC SC SC B1 B1 PoP 12hr 5 0 10 10 20 QPF 12hr 0 0 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C Tstms S S C Heat index 85 96100 96 84 97 99 93 Max heat 97 102 91 98 100 88 Date 09/06 Mon 09/07/26 Tue 09/08/26 Wed 09/09/26 Thu 09/10/26 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 87 67 87 71 89 65 86 61 83 Temp 83 82 70 68 82 83 74 72 85 83 70 66 82 80 66 61 80 77 Dewpt 72 71 68 66 70 69 64 63 69 70 65 62 66 66 60 56 61 62 PWind dir SE SE SE S SW SW S N SE Wind char GN GN GN BZ GN LT LT LT GN Avg clouds B1 SC SC B1 B2 B1 SC B1 B2 B1 SC SC SC SC FW SC B1 SC PoP 12hr 50 50 40 40 40 40 10 30 20 Rain shwrs C S C C S S C C C C C S C S Tstms C S C S S S C S S S S $$ IAZ022-050900- STORM LAKE-BUENA VISTA 42.60N 95.23W Elev. 1427 ft 1213 AM CDT Fri Sep 4 2026 Date 09/03/26 Fri 09/04/26 Sat 09/05/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 91 70 91 69 Temp 75 74 72 80 87 90 88 75 72 72 70 80 88 90 87 75 73 71 70 Dewpt 68 68 68 73 75 75 75 74 72 71 70 75 75 73 73 72 72 71 70 RH 79 82 87 79 68 62 66 97100 97100 85 66 58 63 90 97100100 Wind dir S S S SW S SE E E E E E E SE SE SE SE SE SE SE Wind spd 9 8 6 6 4 3 2 2 3 3 3 3 4 4 3 5 6 6 5 Clouds FW FW CL CL FW FW FW FW FW FW SC SC SC FW SC SC SC SC B1 PoP 12hr 5 0 10 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Tstms C Heat index 85 95100 98 85 97 99 95 Max heat 96 101 92 98 100 90 Date 09/06 Mon 09/07/26 Tue 09/08/26 Wed 09/09/26 Thu 09/10/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 68 87 72 89 67 86 63 83 Temp 84 83 71 69 83 84 75 73 85 84 72 69 83 82 68 64 80 77 Dewpt 73 72 69 67 70 69 64 63 70 70 65 64 68 67 62 59 63 64 PWind dir SE SE SE SE SW SW S N SE Wind char LT GN GN GN GN LT LT LT LT Avg clouds B1 SC SC B1 B2 SC SC B1 B2 SC SC B1 B1 SC SC SC B1 SC PoP 12hr 40 50 40 30 40 50 10 30 20 Rain shwrs C C C S S C C C C C C S Tstms C C C S S C S S S S S S $$ MNZ072-050900- MARSHALL-LYON MN 44.47N 95.82W Elev. 1151 ft 1213 AM CDT Fri Sep 4 2026 Date 09/03/26 Fri 09/04/26 Sat 09/05/26 Sun 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 92 68 91 70 Temp 77 72 69 76 86 90 87 77 72 70 68 76 85 90 86 77 75 72 70 Dewpt 69 68 66 68 68 66 68 68 68 67 67 69 71 70 71 71 70 70 69 RH 76 87 90 76 55 45 53 74 87 90 97 79 63 52 61 82 84 93 97 Wind dir SW W NW N NE E E E E E E SE SE SE SE SE SE SE SE Wind spd 6 4 4 4 5 5 4 4 3 4 4 8 10 11 10 9 8 8 6 Clouds CL CL SC SC CL CL CL FW SC SC B2 B1 SC SC SC FW SC SC B1 PoP 12hr 0 0 5 30 40 QPF 12hr 0 0 0 0 0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C Tstms S C C C C Heat index 89 93 91 90 96 91 Max heat 82 89 94 88 91 96 88 Date 09/06 Mon 09/07/26 Tue 09/08/26 Wed 09/09/26 Thu 09/10/26 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 87 69 86 71 86 64 83 59 79 Temp 84 82 72 70 81 82 75 73 83 82 70 64 80 79 65 61 76 75 Dewpt 71 72 70 68 70 71 68 66 68 69 64 61 62 63 59 56 59 60 PWind dir SE SE S S SW W W NW NW Wind char GN GN GN BZ GN LT GN LT GN Avg clouds B1 SC B1 B1 B2 B1 SC B2 B2 B1 SC FW SC SC FW SC B1 SC PoP 12hr 40 50 60 50 30 20 10 20 20 Rain shwrs C S S C L C C C C S S S S S Tstms C S S C C C C C S S $$ MNZ081-050900- WINDOM-COTTONWOOD MN 43.87N 95.12W Elev. 1355 ft 1213 AM CDT Fri Sep 4 2026 Date 09/03/26 Fri 09/04/26 Sat 09/05/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 91 68 91 69 Temp 75 73 71 79 88 91 87 75 72 69 68 78 87 91 86 76 73 71 70 Dewpt 70 69 68 69 69 68 69 70 69 68 68 71 70 68 69 71 71 70 70 RH 84 87 90 72 54 47 55 84 90 97100 79 57 47 57 85 93 97100 Wind dir SW SW W N NE NE NE E E E E E E SE SE SE SE SE SE Wind spd 6 4 3 4 4 4 3 3 2 2 3 5 8 8 8 6 6 6 6 Clouds CL CL CL FW CL CL CL FW FW SC B1 SC SC FW SC SC SC B1 B2 PoP 12hr 5 0 5 10 40 QPF 12hr 0 0 0 0 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms C C C Heat index 82 92 95 92 92 95 91 Max heat 93 97 88 94 97 88 Date 09/06 Mon 09/07/26 Tue 09/08/26 Wed 09/09/26 Thu 09/10/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 67 85 70 86 65 84 59 80 Temp 83 81 71 68 81 82 74 71 83 82 70 66 81 79 65 61 78 75 Dewpt 70 69 69 67 68 67 66 65 67 68 65 62 61 61 60 56 57 58 PWind dir SE SE S S SW W SW NW NW Wind char GN GN BZ BZ GN LT LT LT GN Avg clouds B1 SC SC B1 B2 B1 SC B1 B2 B1 SC SC SC SC FW SC B1 SC PoP 12hr 50 50 60 50 40 30 10 20 20 Rain shwrs C C C L C C C C S C S S S S S Tstms C C C C C S C C S S $$ MNZ089-050900- WORTHINGTON-NOBLES MN 43.65N 95.58W Elev. 1584 ft 1213 AM CDT Fri Sep 4 2026 Date 09/03/26 Fri 09/04/26 Sat 09/05/26 Sun 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 71 91 69 91 69 Temp 75 73 71 79 87 91 87 75 72 70 69 78 86 91 86 75 73 71 70 Dewpt 70 69 67 70 70 69 70 70 70 69 69 72 72 70 70 71 71 70 70 RH 84 87 87 74 57 49 57 84 93 97100 82 63 50 59 87 93 97100 Wind dir SW SW SW NE NE E E E E E E SE SE SE SE SE SE SE SE Wind spd 6 5 3 4 4 5 5 4 3 4 4 5 8 9 8 8 8 8 6 Clouds CL CL FW FW CL CL CL FW FW FW B1 SC SC FW SC SC SC SC B2 PoP 12hr 5 0 5 20 30 QPF 12hr 0 0 0 0.01 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms C C C Heat index 82 92 96 92 92 96 91 Max heat 94 97 88 93 98 87 Date 09/06 Mon 09/07/26 Tue 09/08/26 Wed 09/09/26 Thu 09/10/26 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 87 68 85 71 87 64 84 60 81 Temp 82 82 71 69 80 82 74 72 82 82 70 66 80 79 65 61 77 75 Dewpt 70 70 69 67 69 68 66 64 68 68 65 62 62 62 60 56 58 59 PWind dir SE SE S S SW W SW N S Wind char GN GN BZ BZ GN LT LT LT GN Avg clouds B1 SC SC B1 B2 B1 SC B1 B2 B1 FW SC B1 FW FW SC B1 SC PoP 12hr 50 50 50 50 40 30 10 20 20 Rain shwrs C S C C C C C C S C S S S S S Tstms C S C C C S C S S S $$ SDZ040-050900- BROOKINGS-BROOKINGS SD 44.30N 96.80W Elev. 1617 ft 1213 AM CDT Fri Sep 4 2026 Date 09/03/26 Fri 09/04/26 Sat 09/05/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 92 70 91 70 Temp 73 68 67 77 88 92 87 76 72 70 70 77 87 91 86 76 73 71 70 Dewpt 66 66 65 68 66 64 66 66 66 67 68 70 70 69 70 69 69 69 68 RH 79 93 93 74 48 40 50 71 81 90 93 79 57 49 59 79 87 93 93 Wind dir SE E NE NE E E E E E SE E SE SE SE SE SE SE SE SE Wind spd 3 2 4 6 10 9 8 8 6 6 8 10 13 11 10 9 8 8 8 Wind gust 21 Clouds CL FW FW CL CL CL FW FW FW SC B1 SC SC FW FW SC SC B1 B1 PoP 12hr 0 0 20 40 30 QPF 12hr 0 0 0 0.03 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C Tstms S S C C C Heat index 90 90 92 96 91 Max heat 91 94 88 93 97 87 Date 09/06 Mon 09/07/26 Tue 09/08/26 Wed 09/09/26 Thu 09/10/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 68 86 69 86 61 83 57 80 Temp 83 82 71 69 81 83 73 71 82 82 67 62 79 78 63 59 76 76 Dewpt 71 71 68 67 70 71 67 65 68 68 62 59 61 63 58 55 59 60 PWind dir SE SE S S SW N SW N SE Wind char GN GN BZ BZ GN LT GN LT GN Avg clouds SC SC B1 B1 B2 B1 B1 B2 B2 SC SC FW SC FW SC SC B1 SC PoP 12hr 30 60 40 50 20 10 10 20 20 Rain shwrs C C L C S C C S S S S S Tstms C C C S S C S S $$ SDZ050-050900- BURKE-GREGORY SD 43.18N 99.29W Elev. 2142 ft 1213 AM CDT Fri Sep 4 2026 Date 09/03/26 Fri 09/04/26 Sat 09/05/26 Sun 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 95 70 93 70 Temp 74 69 67 77 91 95 90 79 76 73 72 78 89 93 88 78 75 72 70 Dewpt 60 59 59 63 64 61 63 66 67 66 65 66 66 64 66 65 65 64 64 RH 62 70 75 62 41 33 41 64 74 79 79 67 47 38 48 64 71 76 81 Wind dir W NE NE E E SE SE SE SE S S SE S S S S S S S Wind spd 5 4 3 5 13 18 14 13 11 11 11 13 16 17 14 11 10 10 11 Wind gust 25 Clouds CL CL FW FW FW FW SC SC FW FW SC FW FW SC SC B1 SC SC B1 PoP 12hr 0 5 20 20 20 QPF 12hr 0 0 0 0.06 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C Tstms S S S S S C Heat index 81 91 95 91 Max heat 93 96 89 92 95 88 Date 09/06 Mon 09/07/26 Tue 09/08/26 Wed 09/09/26 Thu 09/10/26 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 90 70 90 70 87 63 85 62 83 Temp 87 85 73 71 85 86 75 72 83 84 69 64 80 82 68 62 78 79 Dewpt 65 67 67 64 66 67 66 62 60 60 59 57 57 57 56 55 56 57 PWind dir S SE S S NW SE W NE SE Wind char GN BZ BZ BZ GN LT GN LT GN Avg clouds SC SC B1 B2 B2 SC B1 B2 B1 SC SC FW SC SC SC SC B1 FW PoP 12hr 30 60 40 50 10 5 5 20 20 Rain shwrs C C C L C C C C S S S Tstms C C C S S C C S S $$ SDZ057-050900- CHAMBERLAIN-BRULE SD 43.77N 99.32W Elev. 1565 ft 1213 AM CDT Fri Sep 4 2026 Date 09/03/26 Fri 09/04/26 Sat 09/05/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 95 70 94 70 Temp 75 69 66 76 90 94 90 80 77 74 72 79 90 94 89 78 75 72 70 Dewpt 61 61 62 66 66 63 64 66 68 68 67 69 68 65 67 68 68 68 66 RH 62 76 87 71 45 36 42 62 74 82 84 72 49 39 48 71 79 87 87 Wind dir NE NE NE E E SE SE SE SE SE SE SE S S S SE SE SE SE Wind spd 5 5 5 6 11 14 12 13 11 10 10 11 13 14 12 10 9 8 8 Wind gust 25 Clouds FW CL FW FW FW FW FW SC FW FW FW CL FW FW SC SC B1 SC B1 PoP 12hr 0 5 20 20 40 QPF 12hr 0 0 0 0.06 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C S S S Tstms S S C C S S S Heat index 92 96 92 82 81 93 97 92 Max heat 93 97 90 94 97 89 Date 09/06 Mon 09/07/26 Tue 09/08/26 Wed 09/09/26 Thu 09/10/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 69 90 69 86 62 84 61 83 Temp 86 85 73 71 84 86 75 71 82 84 68 63 79 81 66 62 77 79 Dewpt 68 69 70 66 68 69 68 64 61 62 61 58 58 59 58 57 57 59 PWind dir SE SE S S NW E W NE SE Wind char GN GN BZ GN GN LT GN LT GN Avg clouds SC SC SC B2 B2 B1 B1 B2 B1 SC FW FW SC SC SC B1 B1 FW PoP 12hr 20 70 40 40 5 5 10 20 20 Rain shwrs S S L L C S C C S S S Tstms S S C C S S C S S $$ SDZ038-050900- HURON-BEADLE SD 44.38N 98.22W Elev. 1282 ft 1213 AM CDT Fri Sep 4 2026 Date 09/03/26 Fri 09/04/26 Sat 09/05/26 Sun 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 95 72 94 71 Temp 74 68 66 78 90 94 89 79 76 74 72 79 89 93 88 77 74 73 71 Dewpt 63 63 63 66 65 63 65 66 67 68 68 69 68 66 68 68 68 68 67 RH 69 84 90 67 44 36 45 64 74 82 87 72 50 41 52 74 82 84 87 Wind dir N N N E E SE E E SE SE E SE S S S SE SE SE SE Wind spd 5 5 4 5 10 11 12 11 10 10 10 12 14 13 11 11 9 8 8 Clouds FW FW SC FW FW FW FW SC SC SC SC SC FW FW FW SC B1 SC B1 PoP 12hr 0 0 30 30 20 QPF 12hr 0 0 0.04 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S C S S S S C Tstms S S S S S S C Heat index 92 96 91 81 82 93 97 92 Max heat 93 97 90 95 98 89 Date 09/06 Mon 09/07/26 Tue 09/08/26 Wed 09/09/26 Thu 09/10/26 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 90 70 88 70 86 61 84 59 82 Temp 85 84 72 70 82 84 74 70 82 83 67 62 79 80 64 59 78 78 Dewpt 68 70 69 68 69 70 68 65 65 65 62 58 60 61 58 55 59 60 PWind dir SE SE S S W NE W NE SE Wind char GN GN BZ BZ GN LT GN LT GN Avg clouds SC SC SC B2 OV B1 B1 B2 B1 SC FW FW SC FW FW B1 B1 SC PoP 12hr 30 60 50 40 5 5 5 20 20 Rain shwrs C S C L C C C C S S S Tstms C S C C S C C S $$ SDZ059-050900- MITCHELL-DAVISON SD 43.76N 98.02W Elev. 1312 ft 1213 AM CDT Fri Sep 4 2026 Date 09/03/26 Fri 09/04/26 Sat 09/05/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 97 72 95 71 Temp 74 70 68 80 93 97 91 79 76 74 73 80 91 95 90 78 75 73 71 Dewpt 65 64 64 68 68 64 66 68 69 70 69 70 70 67 68 69 69 68 67 RH 74 81 87 67 44 34 44 69 79 87 87 72 50 40 49 74 82 84 87 Wind dir N N N NE E E SE SE SE SE SE SE S S S SE S SE SE Wind spd 3 4 4 5 9 12 12 11 10 10 10 12 14 14 13 10 9 9 9 Wind gust 25 Clouds FW FW FW CL CL CL SC FW FW SC SC SC FW FW SC SC B1 B1 B1 PoP 12hr 0 0 20 30 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S S S C Tstms S S S S S C Heat index 82 98100 94 81 83 96 99 94 Max heat 98 101 90 97 100 91 Date 09/06 Mon 09/07/26 Tue 09/08/26 Wed 09/09/26 Thu 09/10/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 93 70 92 71 89 63 87 61 84 Temp 88 86 73 72 86 86 74 72 85 85 68 64 82 82 66 61 80 79 Dewpt 69 70 69 67 69 70 68 66 66 66 63 60 60 61 59 56 59 60 PWind dir SE SE S S W NE W NE SE Wind char GN GN BZ BZ GN LT GN LT GN Avg clouds SC SC B1 B2 OV B1 B1 B2 B2 SC SC FW SC FW SC B1 B1 FW PoP 12hr 30 60 50 60 10 5 10 20 20 Rain shwrs C C L C C L C S S Tstms C C C S C C S S $$ SDZ062-050900- SIOUX FALLS-MINNEHAHA SD 43.57N 96.73W Elev. 1424 ft 1213 AM CDT Fri Sep 4 2026 Date 09/03/26 Fri 09/04/26 Sat 09/05/26 Sun 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 70 95 72 94 71 Temp 76 72 70 80 92 95 90 79 75 73 72 80 91 93 88 78 75 73 71 Dewpt 70 69 68 70 69 67 69 69 70 70 70 72 71 69 70 70 70 70 69 RH 82 90 93 72 47 40 50 72 84 90 93 77 52 46 55 76 84 90 93 Wind dir S E NE NE E E E E E E E E SE SE SE SE SE SE SE Wind spd 3 2 3 5 8 9 9 6 5 5 5 8 10 11 9 6 6 5 6 Clouds CL FW SC FW CL CL FW FW FW FW B1 SC SC FW SC SC SC B1 B1 PoP 12hr 0 0 10 40 20 QPF 12hr 0 0 0 0.05 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S S Heat index 83 97 99 95 81 83 96 98 93 Max heat 82 99 101 94 98 100 92 Date 09/06 Mon 09/07/26 Tue 09/08/26 Wed 09/09/26 Thu 09/10/26 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 90 70 89 72 89 65 86 62 84 Temp 87 85 73 71 84 86 76 73 85 85 71 66 83 82 67 63 80 79 Dewpt 70 70 69 68 69 70 67 66 68 67 64 62 62 62 60 57 59 59 PWind dir SE SE SE S SW N SW N SE Wind char GN GN BZ BZ GN LT LT LT GN Avg clouds SC SC SC B1 B2 B1 SC B2 B2 SC SC SC SC FW FW SC B1 SC PoP 12hr 20 50 40 50 20 20 10 20 20 Rain shwrs S S C C S C C S S S S S S Tstms S S C S S C C S S $$ SDZ070-050900- VERMILLION-CLAY SD 42.95N 96.92W Elev. 1132 ft 1213 AM CDT Fri Sep 4 2026 Date 09/03/26 Fri 09/04/26 Sat 09/05/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 95 72 94 72 Temp 77 74 72 81 92 94 90 79 76 74 73 81 91 94 89 79 76 74 72 Dewpt 72 70 68 72 73 72 72 73 73 72 71 74 74 70 72 71 71 70 69 RH 85 87 87 74 54 49 56 82 90 93 93 79 58 46 57 77 85 87 90 Wind dir S SE SE N E E E E SE SE SE SE SE S SE SE SE SE SE Wind spd 4 3 2 3 6 8 8 6 5 5 5 6 10 11 9 6 6 6 5 Clouds CL CL FW CL CL FW FW SC FW FW SC B1 SC SC FW SC SC B1 B1 PoP 12hr 0 0 5 20 20 QPF 12hr 0 0 0 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S S Heat index 85101103 98 81 86101101 96 Max heat 83 102 104 95 102 104 94 Date 09/06 Mon 09/07/26 Tue 09/08/26 Wed 09/09/26 Thu 09/10/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 92 71 92 74 91 67 88 64 85 Temp 89 87 75 73 88 88 79 76 89 86 73 68 85 83 70 65 83 81 Dewpt 71 71 70 67 70 70 68 65 69 69 67 64 65 65 63 59 62 62 PWind dir SE SE SE S SW S S NE SE Wind char GN GN BZ BZ GN LT LT LT GN Avg clouds SC SC SC B1 B2 SC SC B2 B2 SC SC SC B1 SC SC B1 B1 SC PoP 12hr 20 40 30 40 40 20 10 20 20 Rain shwrs S C C S S C C C S S S S Tstms S C S S S C S S S S $$ SDZ069-050900- YANKTON-YANKTON SD 42.95N 97.39W Elev. 1207 ft 1213 AM CDT Fri Sep 4 2026 Date 09/03/26 Fri 09/04/26 Sat 09/05/26 Sun 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 71 96 72 95 72 Temp 75 72 71 80 92 96 90 80 76 74 72 80 91 95 90 79 76 74 72 Dewpt 70 69 68 71 71 69 70 73 72 71 70 72 72 68 70 71 70 69 68 RH 84 90 90 74 51 42 52 79 87 90 93 77 54 42 52 77 82 84 87 Wind dir SE E NE N E E E E SE E SE E SE S SE SE SE SE SE Wind spd 3 3 2 3 8 10 10 8 6 6 6 8 11 12 10 8 6 6 5 Clouds CL FW FW CL CL CL FW SC FW FW SC B1 FW FW FW SC B1 B1 B1 PoP 12hr 0 0 20 30 20 QPF 12hr 0 0 0 0.01 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Tstms S S S S Heat index 83 99101 96 83 84 98100 96 Max heat 100 103 95 100 102 94 Date 09/06 Mon 09/07/26 Tue 09/08/26 Wed 09/09/26 Thu 09/10/26 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 93 72 93 74 91 66 89 64 86 Temp 89 87 75 73 87 88 79 75 87 86 72 67 84 84 70 65 82 80 Dewpt 69 70 70 67 69 70 67 65 67 67 65 63 63 63 62 59 60 60 PWind dir SE SE S S SW N SW NE SE Wind char GN GN BZ BZ GN LT GN LT GN Avg clouds SC SC SC B2 B2 SC SC B2 B2 SC SC SC B1 FW SC SC B1 FW PoP 12hr 20 50 40 40 40 20 10 20 20 Rain shwrs S S C C C C C C S S S Tstms S S C S C C C S S S S $$