Point Forecast Matrices
Issued by NWS Sioux Falls, SD
Issued by NWS Sioux Falls, SD
578 FOUS53 KFSD 310838 PFMFSD Point Forecast Matrices National Weather Service Sioux Falls SD 338 AM CDT Fri Jul 31 2026 IAZ012-312100- SIOUX CENTER-SIOUX IA 43.08N 96.18W Elev. 1446 ft 338 AM CDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 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 74 58 80 58 82 Temp 71 70 70 70 71 71 66 63 61 61 70 76 78 78 68 64 61 59 72 78 81 80 Dewpt 70 69 69 68 70 68 65 63 61 61 67 69 70 71 68 64 61 59 69 70 72 72 RH 97 97 97 93 97 90 97100100100 90 79 76 79100100100100 90 76 74 77 Wind dir S NW NW N N N N N N N N N N N NE NE E SE S S SE SE Wind spd 9 10 18 26 24 19 11 8 8 9 11 11 10 5 2 1 1 1 2 3 5 6 Wind gust 37 34 31 Clouds OV OV OV B2 B2 B1 SC FW FW SC CL CL FW CL CL CL FW SC FW CL FW FW PoP 12hr 60 5 0 0 0 QPF 12hr 0.05 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L C Tstms S S S Obvis K K K Heat index 86 83 Max heat 83 87 Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 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 63 84 64 75 58 74 59 81 Temp 67 63 81 82 70 65 72 71 62 59 71 72 62 61 77 79 Dewpt 66 63 72 73 66 65 70 69 62 59 66 68 62 61 70 72 PWind dir SE S SE N NE NE E SE Wind char GN GN GN LT LT LT LT LT Avg clouds FW FW FW FW FW FW B2 B1 B1 B1 B2 SC SC SC B1 SC PoP 12hr 0 0 20 40 50 30 30 10 Rain shwrs S C C C C C S C C Tstms S C C S S S S $$ IAZ031-312100- SIOUX CITY-WOODBURY IA 42.40N 96.38W Elev. 1210 ft 338 AM CDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 60 81 59 83 Temp 71 71 72 73 74 73 68 65 62 62 71 78 80 80 71 66 62 60 72 80 83 82 Dewpt 69 69 70 70 69 66 64 63 62 62 67 68 68 69 67 65 62 60 69 70 69 70 RH 93 93 93 90 84 79 87 93100100 87 71 67 69 87 97100100 90 72 63 67 Wind dir SW W NW N N N N N NW NW N N N N NE NE N SE S S SE SE Wind spd 8 11 18 24 25 21 13 9 10 9 11 12 10 6 3 1 1 0 1 3 5 6 Wind gust 23 32 39 41 37 24 Clouds OV OV OV B2 B2 SC SC FW FW SC FW CL FW CL CL CL CL FW CL CL FW CL PoP 12hr 30 0 0 0 0 QPF 12hr 0.03 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C S Tstms C S S Obvis K Heat index 83 82 83 87 86 Max heat 85 85 88 Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 86 65 78 60 76 61 82 Temp 69 64 83 84 72 66 76 76 65 62 73 75 66 63 79 81 Dewpt 66 64 71 71 67 66 70 70 65 62 68 69 65 63 71 72 PWind dir SE S S E NE NE E SE Wind char GN GN GN LT LT LT LT LT Avg clouds FW FW FW CL CL FW B1 B1 B1 B1 B2 B1 SC B1 B2 SC PoP 12hr 0 0 20 40 60 40 30 10 Rain shwrs S C C L L C S C C Tstms S C C C C S S S C $$ IAZ014-312100- SPENCER-CLAY IA 43.15N 95.18W Elev. 1325 ft 338 AM CDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 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 75 57 80 57 82 Temp 71 70 71 70 70 69 64 61 59 60 70 76 79 78 67 63 60 58 72 79 81 80 Dewpt 69 69 70 69 68 65 63 61 59 60 65 66 67 68 66 63 60 58 66 67 68 69 RH 93 97 97 97 93 87 97100100100 84 71 67 71 97100100100 81 67 65 69 Wind dir SE S NW N N N N N N N N N N N N N N NE E SE SE SE Wind spd 11 9 11 23 26 23 17 12 12 13 13 14 13 9 4 3 3 1 2 3 5 6 Wind gust 35 44 40 Clouds OV OV B2 OV B2 B1 B1 SC FW FW CL CL CL CL CL CL FW FW CL FW FW CL PoP 12hr 70 20 0 0 0 QPF 12hr 0.38 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L C L L S Tstms C S S S Heat index 84 82 Max heat 83 85 Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 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 59 84 62 77 57 75 57 81 Temp 64 60 80 81 68 63 74 73 61 58 72 73 61 60 77 79 Dewpt 64 60 70 70 65 63 68 67 61 58 63 65 61 60 67 69 PWind dir SE S S NW N NE E SE Wind char LT GN GN LT LT LT LT LT Avg clouds FW FW FW FW CL FW B1 B1 B1 B1 B2 B1 SC SC B1 SC PoP 12hr 0 0 20 40 50 30 30 10 Rain shwrs S C C C C C S C Tstms S S C S S S S $$ IAZ022-312100- STORM LAKE-BUENA VISTA 42.60N 95.23W Elev. 1427 ft 338 AM CDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 59 79 59 81 Temp 70 70 72 73 71 70 64 62 61 62 70 76 78 77 68 64 61 61 72 79 81 79 Dewpt 69 69 71 72 70 66 63 61 60 61 66 67 68 69 66 64 61 61 68 68 69 69 RH 97 97 97 97 97 87 97 97 97 97 87 74 71 76 93100100100 87 69 67 72 Wind dir S SW W NW N N N N N N N N N N N N N N NE E E SE Wind spd 11 10 12 19 26 26 19 14 13 13 14 16 13 8 4 3 3 2 2 3 4 5 Wind gust 32 41 41 31 Clouds OV OV OV B2 OV B2 SC B1 SC SC CL CL CL CL CL CL CL FW CL CL FW CL PoP 12hr 60 20 0 0 0 QPF 12hr 0.36 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C C C L S Tstms C S S C Heat index 84 Max heat 83 85 Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 84 64 79 60 75 60 81 Temp 65 63 81 82 68 65 77 75 63 61 72 73 63 62 78 79 Dewpt 65 63 70 70 66 65 70 69 63 61 65 67 63 62 69 70 PWind dir SE S S NE NE NE E SE Wind char LT GN GN LT LT LT LT LT Avg clouds FW FW FW FW CL FW B1 B1 B1 B1 B2 B1 SC SC B1 SC PoP 12hr 0 0 20 30 60 40 30 10 Rain shwrs S C C C L C S C C Tstms S S C C C S S C $$ MNZ072-312100- MARSHALL-LYON MN 44.47N 95.82W Elev. 1151 ft 338 AM CDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 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 73 59 80 60 81 Temp 69 68 65 68 71 71 67 65 62 61 70 76 79 78 69 65 62 61 73 78 81 79 Dewpt 68 67 64 66 67 67 67 65 62 61 65 67 67 70 67 65 62 61 67 68 70 71 RH 97 97 97 93 87 87100100100100 84 74 67 76 93100100100 81 71 69 77 Wind dir E NE NE NE N N NW NW NW NW N N N N W SW S S SE SE S SE Wind spd 11 14 21 19 16 11 5 5 6 8 9 11 10 5 3 2 2 2 6 10 12 12 Wind gust 33 29 Clouds OV OV B2 B2 B2 B1 SC SC FW FW CL CL FW CL CL CL CL FW CL CL FW CL PoP 12hr 90 5 0 0 0 QPF 12hr 0.33 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D D D C S Tstms C S Obvis K K K K K K Heat index 85 Max heat 83 85 Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 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 64 83 63 71 56 73 58 79 Temp 69 65 80 80 69 63 69 68 59 56 71 72 62 60 76 78 Dewpt 66 64 72 73 68 63 64 63 59 56 60 64 61 59 67 70 PWind dir S S S NW N NE S S Wind char GN BZ GN GN LT LT LT LT Avg clouds FW FW FW FW FW B1 B2 B1 SC B1 B1 SC SC SC SC FW PoP 12hr 0 0 50 40 30 20 20 10 Rain shwrs S C C C C S S Tstms S C S S $$ MNZ081-312100- WINDOM-COTTONWOOD MN 43.87N 95.12W Elev. 1355 ft 338 AM CDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 57 78 58 79 Temp 70 69 67 67 67 68 64 62 60 60 70 76 78 77 68 64 60 59 72 77 79 77 Dewpt 67 67 66 64 64 63 63 62 60 60 63 64 64 66 65 63 60 59 64 64 65 66 RH 90 93 97 90 90 84 97100100100 78 66 62 69 90 97100100 76 64 62 69 Wind dir SE E NE NE N N N N N N N N N N NW N E N SE SE SE SE Wind spd 10 10 16 25 23 18 11 8 9 10 11 12 12 6 3 2 1 0 3 4 5 6 Wind gust 35 34 29 Clouds OV OV OV B2 B2 B1 B2 SC FW SC CL CL CL CL CL CL CL FW CL CL CL CL PoP 12hr 90 20 0 0 0 QPF 12hr 0.61 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D D D D L S Tstms C C S Obvis K Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 81 62 73 56 73 57 78 Temp 66 62 79 79 69 63 73 71 60 56 71 71 61 59 76 77 Dewpt 65 62 67 69 67 63 64 62 60 56 58 61 60 59 64 66 PWind dir S S S NW N NE E SE Wind char GN GN GN GN LT LT LT LT Avg clouds FW FW FW FW FW SC B1 B2 B1 B2 B1 B1 SC SC SC SC PoP 12hr 0 0 30 40 40 20 20 10 Rain shwrs C C C S C S S S Tstms S S S S S S $$ MNZ089-312100- WORTHINGTON-NOBLES MN 43.65N 95.58W Elev. 1584 ft 338 AM CDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 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 72 58 78 58 80 Temp 70 69 69 67 68 69 64 62 60 60 69 75 78 76 67 63 61 59 71 77 80 78 Dewpt 69 68 68 65 65 63 63 62 60 60 64 64 65 66 66 63 61 59 65 66 67 67 RH 97 97 97 93 90 81 97100100100 84 69 64 71 97100100100 81 69 65 69 Wind dir SE E N N N N N N N N N N N N N N E SE SE S SE SE Wind spd 10 9 17 26 24 20 12 9 10 11 12 13 11 8 3 2 2 1 3 4 6 8 Wind gust 39 37 32 Clouds OV OV OV B2 B2 B1 B1 SC FW SC CL CL FW CL CL CL FW FW CL CL FW CL PoP 12hr 80 10 0 0 0 QPF 12hr 0.28 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L L L L Tstms C S S Obvis K K K K Heat index 82 Max heat 83 Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 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 61 82 63 73 56 73 58 79 Temp 66 62 79 80 69 63 71 70 60 57 70 71 61 60 75 77 Dewpt 65 62 69 69 66 63 64 63 60 57 59 62 60 59 66 67 PWind dir S S S NW N NE E SE Wind char GN BZ GN GN LT LT LT GN Avg clouds CL FW FW FW FW SC B1 B2 B1 B1 B1 SC SC SC SC SC PoP 12hr 0 0 30 40 50 20 20 10 Rain shwrs C C C C C S S S Tstms C S S S S S S $$ SDZ040-312100- BROOKINGS-BROOKINGS SD 44.30N 96.80W Elev. 1617 ft 338 AM CDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 57 79 58 81 Temp 69 68 65 70 73 72 67 63 60 59 71 76 78 77 68 63 60 59 72 78 81 79 Dewpt 68 67 64 66 67 68 66 63 60 59 65 65 65 68 66 63 60 59 67 69 70 71 RH 97 97 97 87 81 87 97100100100 81 69 64 74 93100100100 84 74 69 77 Wind dir N N N N NE N N N N N N N N NE E S S S S S S S Wind spd 10 20 24 21 18 12 6 6 6 6 9 10 6 4 3 2 3 4 9 13 14 13 Wind gust 33 39 34 28 23 25 25 Clouds OV OV B2 B2 B2 B1 SC FW FW FW CL CL CL CL CL CL FW SC CL FW FW FW PoP 12hr 90 0 0 0 0 QPF 12hr 0.05 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L C Tstms S S Obvis K K K Heat index 85 Max heat 82 85 Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 83 60 69 54 73 57 79 Temp 68 63 80 80 67 61 68 67 57 54 70 71 61 58 75 77 Dewpt 65 63 72 72 66 61 63 62 57 54 60 64 60 58 67 69 PWind dir S S SE N NE E SE S Wind char BZ BZ GN GN LT LT LT GN Avg clouds FW FW FW FW FW SC B2 B1 B1 B1 B1 SC SC SC SC FW PoP 12hr 0 0 50 40 20 20 10 10 Rain shwrs C C C C S S S Tstms C C $$ SDZ050-312100- BURKE-GREGORY SD 43.18N 99.29W Elev. 2142 ft 338 AM CDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 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 78 59 82 62 89 Temp 67 67 70 73 77 76 68 65 61 59 70 76 80 80 70 67 64 63 73 84 89 86 Dewpt 66 65 67 66 65 65 66 63 61 59 63 62 61 62 63 62 61 60 63 63 61 62 RH 97 93 90 79 67 69 93 93100100 78 62 52 54 78 84 90 90 71 49 39 45 Wind dir NW NW N N N N N NW NW NW N E E SE SE S S S S S S S Wind spd 19 20 21 21 20 13 5 4 5 5 4 5 5 8 9 11 13 14 18 21 24 21 Wind gust 31 33 33 33 26 28 32 34 32 Clouds B2 B2 B1 SC FW FW CL FW CL FW CL CL CL CL CL FW CL FW CL FW FW FW PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K K K K Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 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 69 93 63 72 57 76 61 85 Temp 73 69 87 87 71 63 67 69 62 58 71 74 65 62 79 82 Dewpt 61 58 63 64 62 59 59 58 58 57 60 62 62 61 65 65 PWind dir S S NE N E E SE S Wind char WY WY BZ BZ LT GN GN BZ Avg clouds FW FW FW FW FW B1 OV B1 B1 B1 B2 SC SC FW B1 FW PoP 12hr 0 0 40 60 30 20 10 10 Rain shwrs C L C C C S S S Tstms C C S S S S $$ SDZ057-312100- CHAMBERLAIN-BRULE SD 43.77N 99.32W Elev. 1565 ft 338 AM CDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 59 83 63 90 Temp 67 67 71 75 79 79 69 65 62 60 70 77 81 81 71 68 66 64 75 85 90 87 Dewpt 66 66 68 68 67 65 66 65 62 60 64 63 63 64 67 65 64 63 64 65 64 65 RH 97 97 90 79 67 62 90100100100 81 62 54 56 87 90 93 97 69 51 42 48 Wind dir NW N N N N N NE N NW NW E SE SE SE SE SE S S S S S SE Wind spd 16 17 17 17 16 11 5 3 3 2 2 4 6 9 10 10 11 11 16 19 23 20 Wind gust 27 27 27 21 29 31 Clouds B2 B2 B1 SC FW CL FW FW CL FW FW FW CL FW CL CL CL FW FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K K Heat index 83 87 Max heat 83 84 87 91 Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 92 62 74 57 78 61 86 Temp 74 70 87 88 71 63 69 72 63 59 72 76 66 63 80 84 Dewpt 63 61 64 66 63 59 57 56 59 58 59 61 63 62 65 65 PWind dir S S NE N E E SE SE Wind char BZ BZ BZ GN LT GN GN GN Avg clouds FW FW FW FW FW B1 B2 B1 B1 B1 B1 SC FW FW B1 FW PoP 12hr 0 0 40 50 20 10 10 10 Rain shwrs C C S S S Tstms C S $$ SDZ038-312100- HURON-BEADLE SD 44.38N 98.22W Elev. 1282 ft 338 AM CDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 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 79 58 82 62 85 Temp 68 67 70 75 78 77 68 64 61 60 70 77 80 80 70 66 64 62 72 81 84 82 Dewpt 67 65 67 66 68 68 66 64 61 60 64 64 65 68 68 66 64 62 67 68 69 71 RH 97 93 90 74 71 74 93100100100 81 64 60 67 93100100100 84 65 61 69 Wind dir N N N N N N N N N NW N N E SE SE SE S S S S S SE Wind spd 16 17 18 17 16 12 6 5 5 5 4 5 4 5 4 8 9 11 16 20 21 20 Wind gust 27 29 28 27 26 31 32 31 Clouds B2 B2 B2 B1 SC FW FW FW CL FW FW FW CL FW CL FW CL FW FW FW FW FW PoP 12hr 20 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S Tstms S Obvis K K K K Heat index 82 82 83 88 86 Max heat 85 84 90 Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 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 67 88 61 71 56 76 59 84 Temp 71 67 82 83 68 62 69 70 60 57 73 73 63 61 79 81 Dewpt 66 63 69 72 65 60 59 60 59 57 59 63 62 61 65 68 PWind dir SE S E N E SE SE S Wind char BZ BZ BZ GN LT LT LT GN Avg clouds FW FW SC FW FW B1 B2 B1 SC B1 B1 SC FW FW SC FW PoP 12hr 0 0 40 30 10 20 10 5 Rain shwrs S C C S S Tstms S C $$ SDZ059-312100- MITCHELL-DAVISON SD 43.76N 98.02W Elev. 1312 ft 338 AM CDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 59 82 61 86 Temp 68 69 69 75 78 77 69 65 62 60 70 77 81 80 70 66 63 62 73 82 86 83 Dewpt 67 67 67 68 69 70 68 65 62 60 66 66 67 69 68 66 63 62 68 69 69 70 RH 97 93 93 79 74 79 97100100100 87 69 63 69 93100100100 84 65 57 65 Wind dir NW N N N N N N NW NW NW N N N E SE SE S S S S S SE Wind spd 17 20 21 21 18 13 6 5 6 6 6 6 6 5 4 6 8 9 14 19 19 18 Wind gust 27 34 35 33 28 31 29 Clouds OV OV B2 B1 SC SC FW FW FW FW CL CL CL CL CL CL FW FW FW FW FW FW PoP 12hr 20 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S Obvis K K K K K K Heat index 83 83 85 90 87 Max heat 85 86 91 Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 89 63 73 57 78 60 85 Temp 71 67 85 85 70 64 70 70 61 58 74 75 64 62 80 82 Dewpt 66 63 70 71 67 63 63 63 61 58 61 65 63 62 67 69 PWind dir S S E N NE E SE SE Wind char BZ BZ BZ GN LT GN GN GN Avg clouds FW FW FW FW FW B1 OV B2 B1 B1 B1 SC FW FW B1 SC PoP 12hr 0 0 30 50 30 20 10 10 Rain shwrs C C C C S S Tstms C S $$ SDZ062-312100- SIOUX FALLS-MINNEHAHA SD 43.57N 96.73W Elev. 1424 ft 338 AM CDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 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 74 60 80 60 82 Temp 71 70 69 70 73 72 67 65 62 61 71 77 79 78 69 65 62 61 72 79 82 80 Dewpt 70 68 68 67 68 67 66 64 62 61 66 67 68 69 67 64 62 61 68 69 71 71 RH 97 93 97 90 84 84 97 97100100 84 71 69 74 93 97100100 87 72 69 74 Wind dir NW NW N N N N N N N N N N N NE E SE SE SE S S S SE Wind spd 8 14 23 24 20 14 6 5 8 8 9 10 8 5 2 1 1 1 4 9 11 11 Wind gust 26 36 39 34 25 Clouds OV OV OV B2 B1 B1 SC FW FW FW CL FW CL CL CL CL FW SC CL CL FW FW PoP 12hr 60 0 0 0 0 QPF 12hr 0.10 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L S Tstms S S Obvis K K Heat index 86 Max heat 84 83 88 Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 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 65 85 65 72 58 75 60 81 Temp 69 65 81 83 71 65 70 70 61 59 71 73 63 61 78 79 Dewpt 66 64 72 71 67 64 66 65 61 58 62 65 62 61 68 69 PWind dir SE S SE NE NE E E SE Wind char GN BZ GN GN LT LT LT GN Avg clouds FW FW FW FW FW SC OV B2 B1 B1 B2 B1 SC SC B1 SC PoP 12hr 0 0 30 40 40 20 20 10 Rain shwrs C C C C C S S S Tstms C S S S S S $$ SDZ070-312100- VERMILLION-CLAY SD 42.95N 96.92W Elev. 1132 ft 338 AM CDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 60 82 60 84 Temp 71 70 71 72 75 75 68 65 63 61 71 77 81 80 70 66 63 61 73 80 84 82 Dewpt 70 69 70 69 70 68 66 65 63 61 68 68 69 70 68 66 63 61 70 71 71 72 RH 97 97 97 90 84 79 93100100100 90 74 67 72 93100100100 90 74 65 72 Wind dir W NW NW N N N N NW NW NW N N N NE E SE S S S S SE SE Wind spd 10 16 23 26 24 19 9 5 8 8 10 11 10 6 3 2 1 2 3 8 10 12 Wind gust 28 35 40 37 31 Clouds B2 OV OV B2 B1 SC SC FW SC FW CL CL CL CL CL CL FW SC CL CL FW CL PoP 12hr 30 0 0 0 0 QPF 12hr 0.07 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S Tstms S Obvis K K Heat index 84 82 84 89 87 Max heat 86 85 91 Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 87 66 76 59 76 61 82 Temp 70 65 83 84 72 67 74 73 64 61 72 75 65 63 78 80 Dewpt 66 65 72 72 67 66 70 70 64 61 67 69 65 63 71 72 PWind dir SE S S NW NE E E SE Wind char GN BZ GN GN LT LT LT GN Avg clouds FW FW FW FW CL SC B2 B1 B1 B2 B2 B1 SC SC B1 SC PoP 12hr 0 0 20 50 60 30 30 10 Rain shwrs S C C C L C C C S Tstms S C C C C S S $$ SDZ069-312100- YANKTON-YANKTON SD 42.95N 97.39W Elev. 1207 ft 338 AM CDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 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 78 61 83 61 85 Temp 71 70 70 73 76 76 69 66 63 62 70 77 81 81 70 66 63 62 72 80 84 82 Dewpt 70 68 69 68 69 69 68 66 63 62 67 67 67 70 68 66 63 62 69 70 70 72 RH 97 93 97 84 79 79 97100100100 90 71 63 69 93100100100 90 72 63 72 Wind dir W NW NW N N N N NW NW NW N N N NE E SE S S S S SE SE Wind spd 12 19 24 26 24 16 6 5 8 8 9 10 8 5 3 3 3 3 5 11 13 13 Wind gust 23 31 36 39 36 26 Clouds B2 OV OV B1 SC FW SC FW FW FW CL CL CL CL CL CL FW SC CL FW FW FW PoP 12hr 20 0 0 0 0 QPF 12hr 0.04 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S Tstms S S Obvis K K K K Heat index 83 84 84 89 87 Max heat 87 85 91 Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 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 66 89 66 75 60 76 62 82 Temp 70 66 84 85 72 67 72 71 63 60 71 74 65 63 78 80 Dewpt 66 64 71 72 67 65 68 68 63 60 65 68 65 63 69 72 PWind dir SE S S N NE E E SE Wind char GN BZ GN GN LT LT LT GN Avg clouds FW FW FW FW FW SC B2 B2 B1 B2 B2 B1 SC SC B1 SC PoP 12hr 0 0 20 60 50 30 30 10 Rain shwrs S C L C C C S C S Tstms S C C S S S S $$