Point Forecast Matrices
Issued by NWS Sioux Falls, SD
Issued by NWS Sioux Falls, SD
978 FOUS53 KFSD 152126 PFMFSD Point Forecast Matrices National Weather Service Sioux Falls SD 426 PM CDT Fri Aug 15 2025 IAZ012-160900- SIOUX CENTER-SIOUX IA 43.08N 96.18W Elev. 1446 ft 426 PM CDT Fri Aug 15 2025 Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon 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 73 91 72 91 68 Temp 85 78 76 74 73 79 87 91 88 79 77 74 73 80 87 89 86 77 73 71 70 Dewpt 76 75 72 70 69 71 75 75 75 73 70 68 67 73 74 75 73 71 69 69 68 RH 75 91 87 87 87 77 68 60 66 82 79 82 81 79 65 64 65 82 87 93 93 Wind dir SE SE S S S S SE SE SE SE SE SE SE S S S S S S S S Wind spd 6 6 8 8 6 9 10 11 8 9 9 9 9 10 12 13 10 9 8 8 5 Wind gust 18 Clouds B1 SC SC B2 B2 FW FW FW SC B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 PoP 12hr 20 5 20 20 50 QPF 12hr 0 0 0 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S S C C C C Tstms S S S S S S S S C C C C Heat index 94 96102 97 83 95 99 93 Max heat 96 91 98 103 95 95 101 89 Heat Y Y Y Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 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 66 84 63 84 62 85 62 84 Temp 84 84 71 68 81 81 67 64 80 79 66 63 81 82 67 64 81 79 Dewpt 74 75 70 67 71 70 66 64 68 68 65 63 68 68 64 62 66 65 PWind dir SW E NE NE NE SE S S NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC B1 SC FW SC SC FW FW FW SC FW FW SC SC SC PoP 12hr 10 20 10 5 5 5 5 20 10 Rain shwrs S S S Tstms S S S $$ IAZ031-160900- SIOUX CITY-WOODBURY IA 42.40N 96.38W Elev. 1210 ft 426 PM CDT Fri Aug 15 2025 Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 95 74 93 71 Temp 88 81 77 75 74 83 91 95 93 83 79 77 75 82 88 92 88 79 76 73 71 Dewpt 76 74 72 70 70 70 74 74 74 71 69 67 67 71 73 73 72 71 70 70 70 RH 68 79 85 84 87 65 58 51 54 67 72 71 76 69 61 54 59 77 82 90 97 Wind dir S SE SE SE SE S S S S S S S SE S S S S S S S S Wind spd 8 8 8 8 8 10 11 12 10 9 9 9 8 10 11 12 10 9 8 6 5 Wind gust 18 20 Clouds B1 SC SC B2 B2 FW FW FW FW SC SC SC B1 SC SC SC SC SC B1 B1 B1 PoP 12hr 20 0 10 20 40 QPF 12hr 0 0 0 0 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C C Tstms S S S S S C C Heat index 99 86 87100105102 87 86 96101 95 Max heat 103 98 101 107 98 98 102 92 Heat Y Y Y Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 92 68 87 65 86 63 86 63 86 Temp 87 87 74 69 84 84 70 66 82 83 68 65 82 83 68 64 82 83 Dewpt 74 74 71 69 72 70 69 66 68 68 67 64 68 67 65 62 66 65 PWind dir SW E NE NE NE SE SE SE SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC SC SC FW SC SC FW FW FW SC FW FW SC SC SC PoP 12hr 10 20 10 5 5 5 5 20 10 Rain shwrs S S S Tstms S S S $$ IAZ014-160900- SPENCER-CLAY IA 43.15N 95.18W Elev. 1325 ft 426 PM CDT Fri Aug 15 2025 Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon 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 70 91 69 Temp 80 74 72 70 70 79 89 92 90 79 76 74 72 80 86 89 85 78 75 72 71 Dewpt 74 73 70 69 68 71 75 75 75 75 70 67 67 73 75 76 75 72 69 68 68 RH 82 97 93 97 93 77 64 58 62 88 82 79 84 79 70 66 72 82 82 87 90 Wind dir SE SE SE SE S S SE SE SE SE SE SE S S S S S S S S SW Wind spd 6 5 5 6 6 9 10 11 8 8 8 8 6 10 11 12 10 10 9 8 6 Wind gust 16 17 Clouds B1 SC SC B2 B2 SC FW FW FW SC SC SC B1 SC SC SC SC B1 B1 B1 B2 PoP 12hr 10 10 20 30 50 QPF 12hr 0.01 0 0 0 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C C C C C S Tstms S S S C C S C C C C C S Heat index 83 99103100 82 95100 94 Max heat 86 99 103 95 95 100 91 Heat Y Y Y Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 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 89 66 83 63 82 62 84 62 83 Temp 84 83 71 67 78 78 66 64 78 78 65 63 79 80 66 63 79 78 Dewpt 74 74 70 67 71 70 66 64 68 68 64 62 67 68 63 61 67 66 PWind dir SW NE NE NE NE SE S S NW Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC FW SC B1 B1 SC FW SC SC FW FW SC SC FW FW SC SC SC PoP 12hr 20 30 10 5 5 5 5 20 10 Rain shwrs S C C S Tstms S C S S $$ IAZ022-160900- STORM LAKE-BUENA VISTA 42.60N 95.23W Elev. 1427 ft 426 PM CDT Fri Aug 15 2025 Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 92 73 91 71 Temp 82 76 73 72 72 80 88 92 88 79 77 76 73 81 87 89 84 78 76 74 72 Dewpt 77 73 71 70 69 72 75 75 75 72 70 69 68 73 75 75 75 72 69 69 69 RH 85 90 93 93 90 77 66 58 66 79 79 79 84 77 68 64 74 82 79 84 90 Wind dir S S S S S S S S SE S S S S S S S S S S S SW Wind spd 6 6 6 6 6 11 11 12 9 10 10 10 9 10 11 12 10 10 10 10 9 Wind gust 18 17 17 24 Clouds B2 SC SC B2 B2 FW FW FW CL SC SC SC SC SC FW FW FW SC B1 B1 B1 PoP 12hr 20 0 10 20 50 QPF 12hr 0 0 0 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C C C C S Tstms S S S S S C C C C S Heat index 89 84 98104 98 86 97100 92 Max heat 92 87 99 105 95 98 102 89 Heat Y Y Y Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 67 83 64 82 62 83 62 83 Temp 85 84 72 69 80 79 68 66 78 78 66 64 79 79 66 63 79 78 Dewpt 75 75 70 69 73 71 67 65 68 69 65 64 67 68 64 62 67 67 PWind dir SW E NE NE NE E SE S W Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC FW SC SC B1 SC FW SC SC FW FW SC SC FW FW SC SC FW PoP 12hr 20 30 20 5 5 5 5 20 10 Rain shwrs S C C S S Tstms S C C S S $$ MNZ072-160900- MARSHALL-LYON MN 44.47N 95.82W Elev. 1151 ft 426 PM CDT Fri Aug 15 2025 Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon 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 87 68 86 68 Temp 85 78 74 74 71 73 83 87 86 77 73 72 70 74 82 84 81 75 72 70 68 Dewpt 75 74 72 72 68 70 74 75 73 74 73 70 69 71 72 73 73 73 71 70 68 RH 72 88 93 93 90 90 74 68 65 90100 93 97 90 72 70 77 94 97100100 Wind dir E SE SE SE S SE E E E E E E E SE SE SE SE E S SW W Wind spd 9 6 6 8 8 6 8 9 10 9 9 9 9 10 12 12 11 10 8 6 5 Clouds B1 SC B1 B2 OV B1 B1 B1 SC SC B2 B2 B2 B1 SC SC B1 SC B1 B2 B2 PoP 12hr 70 40 40 40 50 QPF 12hr 0.61 0.01 0.22 0.03 0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S C C C C C C C C C C C C Tstms S S C S S C C C C C S C C C C C S Heat index 94 89 96 92 87 90 87 Max heat 94 91 91 98 89 87 92 85 Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 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 82 65 81 64 83 63 85 65 82 Temp 77 77 68 66 76 77 67 65 79 79 67 64 81 80 68 65 78 76 Dewpt 70 70 68 66 68 68 66 65 66 68 66 63 67 68 66 63 65 64 PWind dir N NE NE NE E SE S SW NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 SC SC B1 B1 SC FW SC SC FW FW FW SC FW FW SC SC FW PoP 12hr 10 10 10 5 5 5 5 20 10 Rain shwrs S Tstms S $$ MNZ081-160900- WINDOM-COTTONWOOD MN 43.87N 95.12W Elev. 1355 ft 426 PM CDT Fri Aug 15 2025 Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 90 71 88 69 Temp 82 75 73 72 72 75 87 90 86 78 76 73 72 77 85 87 84 77 73 71 70 Dewpt 73 72 72 71 69 71 73 74 74 75 73 71 70 71 72 73 73 72 71 68 68 RH 74 90 97 97 90 87 63 60 68 91 90 93 93 82 65 63 70 85 93 90 93 Wind dir S SE SE S SW E SE E E E E E E SE S S S S S SW SW Wind spd 8 5 5 6 6 9 9 9 6 6 6 6 6 10 11 11 10 9 8 6 5 Wind gust 17 Clouds B1 SC SC B2 OV B1 SC SC SC B1 B1 B1 B2 B1 SC SC SC B1 B1 B1 B1 PoP 12hr 40 30 30 40 60 QPF 12hr 0.27 0 0.03 0 0.22 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C C C L L C C S Tstms S S C C C C C S S C L C C S S Heat index 88 94 99 94 91 94 90 Max heat 91 86 94 101 93 91 94 89 Heat Y Y Y Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 66 81 64 82 62 83 64 82 Temp 81 79 70 66 77 77 66 64 78 78 66 63 79 79 68 64 79 76 Dewpt 70 70 69 66 67 67 66 64 65 66 65 62 65 66 65 62 63 63 PWind dir W NE NE NE NE SE S S NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 B1 SC SC SC SC FW FW FW SC FW FW SC SC SC PoP 12hr 20 20 10 5 5 5 5 20 10 Rain shwrs S S S S Tstms S S S S $$ MNZ089-160900- WORTHINGTON-NOBLES MN 43.65N 95.58W Elev. 1584 ft 426 PM CDT Fri Aug 15 2025 Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon 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 90 71 89 68 Temp 81 75 73 72 71 77 87 90 87 79 76 73 71 78 85 87 85 77 73 71 69 Dewpt 73 74 72 71 70 71 73 74 74 75 73 71 70 71 72 73 73 73 71 68 68 RH 77 97 97 97 97 82 63 60 65 88 90 93 97 79 65 63 67 87 93 90 97 Wind dir S SE SE S S E SE SE E E E E SE SE S S S S S SW SW Wind spd 9 6 6 8 6 8 10 10 8 8 9 9 8 10 12 12 10 10 9 8 6 Clouds SC B1 SC B2 B2 SC SC SC SC B1 B1 B1 B2 SC SC SC SC SC SC B1 B1 PoP 12hr 30 20 20 30 50 QPF 12hr 0.11 0 0 0 0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S S S S C C C C C C C C S Tstms S S S S S S S C S C C C C C S Heat index 86 94 99 96 91 94 92 Max heat 90 85 95 101 92 92 96 89 Heat Y Y Y Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 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 65 82 63 82 62 84 62 82 Temp 81 81 70 66 78 78 66 64 78 78 65 63 79 80 67 63 79 76 Dewpt 71 71 70 66 68 67 66 64 66 66 65 63 65 66 64 62 64 63 PWind dir W NE NE NE NE SE S S NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 B1 SC FW SC SC FW FW FW SC FW FW SC SC SC PoP 12hr 20 20 10 5 5 5 5 20 20 Rain shwrs S S S S S Tstms S S S S S $$ SDZ040-160900- BROOKINGS-BROOKINGS SD 44.30N 96.80W Elev. 1617 ft 426 PM CDT Fri Aug 15 2025 Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 88 68 87 66 Temp 85 78 74 73 69 74 85 88 84 77 73 72 69 75 83 86 81 74 70 68 66 Dewpt 73 73 72 71 66 69 72 74 73 72 71 69 67 70 71 73 72 70 69 67 66 RH 67 85 93 93 90 84 65 63 70 85 93 90 93 84 67 65 74 87 97 97100 Wind dir SE SE SE SE SE E E E E E E E E SE SE SE SE E SE E NE Wind spd 8 6 6 8 9 10 10 11 11 12 11 10 10 12 13 13 11 10 8 6 5 Clouds B1 B1 B1 OV OV B1 B1 B1 SC B2 B2 B2 B2 SC SC SC SC B1 B1 B1 B2 PoP 12hr 60 30 50 30 40 QPF 12hr 0.77 0 0.09 0.01 0.14 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L C S C C C C C C C C C C C C Tstms S C S S C C C C S S C C C S S Heat index 92 91 96 90 87 92 85 Max heat 93 90 92 97 90 88 93 Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 64 82 62 83 62 85 62 81 Temp 79 78 67 65 78 78 66 63 79 79 66 63 81 81 67 64 77 76 Dewpt 70 69 67 65 68 67 65 63 66 66 65 62 66 66 63 61 64 63 PWind dir NE NE NE E E SE S S N Wind char LT LT LT LT LT LT GN LT GN Avg clouds SC SC SC B1 B1 FW FW SC SC FW FW FW SC FW SC SC SC FW PoP 12hr 10 10 5 5 0 5 5 30 10 Rain shwrs S C Tstms S S $$ SDZ050-160900- BURKE-GREGORY SD 43.18N 99.29W Elev. 2142 ft 426 PM CDT Fri Aug 15 2025 Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon 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 94 70 90 66 Temp 90 80 77 73 70 79 89 94 90 81 76 74 70 77 85 89 86 77 72 69 67 Dewpt 72 73 73 65 66 67 68 67 70 69 67 65 65 68 69 68 68 70 69 67 67 RH 56 79 87 76 87 67 50 41 52 67 74 74 84 74 59 50 55 79 90 93100 Wind dir SE SE SE SW SE SE E E E SE SE S SE W SW S SE SE SW E N Wind spd 10 6 8 8 8 6 10 13 12 10 10 10 9 10 10 10 9 8 6 5 5 Clouds SC B2 OV OV B2 SC FW FW SC B1 B1 SC B1 SC FW FW FW SC SC SC SC PoP 12hr 70 20 30 20 30 QPF 12hr 0.12 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S S S C C S S S S C C S S Tstms S S C S S S S C S S C C S S Heat index 97 84 93 98 95 84 89 93 89 Max heat 100 94 94 99 92 90 94 87 Heat Y Y Y Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 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 65 87 64 88 65 91 65 85 Temp 82 83 70 66 83 82 69 65 83 84 71 66 85 85 71 65 80 80 Dewpt 70 68 67 66 69 66 66 64 67 64 64 63 65 62 62 61 64 61 PWind dir NE E E SE SE SE S S N Wind char LT LT GN LT GN GN GN GN GN Avg clouds SC FW SC SC SC FW FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 10 20 10 10 5 5 5 20 20 Rain shwrs S S S S S Tstms S S S S S $$ SDZ057-160900- CHAMBERLAIN-BRULE SD 43.77N 99.32W Elev. 1565 ft 426 PM CDT Fri Aug 15 2025 Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 94 69 91 66 Temp 90 82 78 73 70 80 87 93 91 81 76 73 70 77 85 89 88 77 72 69 67 Dewpt 72 73 74 69 67 70 71 72 73 72 70 68 68 70 71 70 71 72 70 69 67 RH 56 74 88 87 90 72 59 51 56 74 82 84 93 79 63 54 57 85 93100100 Wind dir SE E E NE E E E E E E E NE E NE W NW N NE N NE N Wind spd 10 8 8 13 6 8 11 13 13 13 12 10 10 10 10 10 10 9 8 6 6 Clouds SC B1 OV OV OV B1 SC SC B1 B1 B1 SC B1 SC FW FW FW SC FW SC B1 PoP 12hr 70 20 40 20 20 QPF 12hr 0.51 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S C C C C S S S S S S S S Tstms S C S S C C C C S S S S S S S Heat index 96 86 82 93101 99 84 90 94 93 Max heat 98 95 94 102 94 90 96 90 Heat Y Y Y Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 65 89 64 90 65 93 65 86 Temp 82 84 71 67 83 85 71 66 84 86 72 67 86 88 72 66 81 81 Dewpt 70 69 68 67 69 67 67 65 67 65 65 64 65 64 65 63 64 61 PWind dir NE E E E SE SE S SE NE Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC FW SC SC SC FW FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 10 10 10 5 5 5 5 20 20 Rain shwrs S S Tstms S S $$ SDZ038-160900- HURON-BEADLE SD 44.38N 98.22W Elev. 1282 ft 426 PM CDT Fri Aug 15 2025 Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon 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 89 69 89 66 Temp 87 80 77 72 70 77 85 89 86 78 75 72 70 77 83 85 83 74 70 67 66 Dewpt 73 75 74 70 68 68 71 73 73 73 71 70 68 70 71 71 72 71 69 67 66 RH 63 85 90 93 93 74 63 59 65 85 87 93 93 79 67 63 70 90 97100100 Wind dir SE E E W SE E E E E NE E E E SE SE S NE NE NE N N Wind spd 8 5 4 13 5 9 10 12 13 13 11 10 10 10 11 11 10 9 6 5 5 Wind gust 27 Clouds B1 SC B2 OV OV B1 B1 B1 SC B2 B2 B1 B2 SC SC SC SC SC SC SC B2 PoP 12hr 60 30 50 30 30 QPF 12hr 0.51 0 0.32 0.02 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C S S C C C C C C C C C C S S Tstms C C S S S C C C C S C C C S S Heat index 95 85 90 97 93 88 90 88 Max heat 97 94 92 99 93 89 92 86 Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 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 64 87 63 88 64 90 65 84 Temp 79 81 68 65 81 82 68 64 82 84 69 65 84 85 70 65 79 78 Dewpt 69 69 67 65 69 67 66 64 67 66 65 64 67 66 65 62 63 62 PWind dir N NE NE E SE SE S SE NE Wind char LT LT LT LT GN GN GN GN GN Avg clouds B1 SC SC SC SC FW FW FW SC FW FW FW FW FW FW SC SC SC PoP 12hr 10 10 10 5 5 5 5 30 20 Rain shwrs S C S Tstms S C S $$ SDZ059-160900- MITCHELL-DAVISON SD 43.76N 98.02W Elev. 1312 ft 426 PM CDT Fri Aug 15 2025 Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 95 72 93 67 Temp 88 80 77 74 71 79 90 95 91 82 77 74 72 79 87 90 86 77 72 69 67 Dewpt 74 75 74 70 68 71 71 73 74 72 70 69 68 70 71 72 73 73 70 68 67 RH 63 85 90 87 90 77 54 49 58 72 79 84 87 74 59 56 65 87 93 97100 Wind dir SE E SE SE SE E SE E E E E SE E SE S S S SE SE NE N Wind spd 8 6 5 8 6 6 10 12 12 11 11 10 10 10 11 12 10 10 8 6 5 Clouds SC SC OV OV OV SC SC SC B1 B2 B2 B1 B1 FW FW SC SC SC SC SC B1 PoP 12hr 60 20 30 20 30 QPF 12hr 0.39 0 0.09 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L S S C C C C S S S S C C C C Tstms C C S C C C C S C S C S Heat index 97 85 96104101 87 93 98 93 Max heat 99 95 98 107 101 94 100 89 Heat Y Y Y Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 65 89 64 90 64 92 65 86 Temp 83 83 70 66 83 83 69 64 83 84 70 65 85 85 71 65 81 80 Dewpt 70 70 69 66 69 68 66 64 68 66 66 64 66 66 65 63 65 64 PWind dir N NE NE E SE SE S SE NE Wind char LT LT LT LT GN GN GN GN GN Avg clouds SC SC SC SC SC FW FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 10 10 10 5 5 5 5 20 20 Rain shwrs S S S S S Tstms S S S S S $$ SDZ062-160900- SIOUX FALLS-MINNEHAHA SD 43.57N 96.73W Elev. 1424 ft 426 PM CDT Fri Aug 15 2025 Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon 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 72 91 69 Temp 86 79 76 75 72 78 89 93 90 81 78 74 73 80 87 89 86 78 74 71 69 Dewpt 74 74 73 71 69 71 73 74 74 74 72 70 69 71 72 73 72 72 70 68 68 RH 68 85 90 87 90 79 59 54 60 79 82 87 87 74 61 59 63 82 87 90 97 Wind dir SE SE SE S SE E SE SE E E E E SE SE S S S S SE S S Wind spd 8 5 5 5 4 9 10 10 10 10 10 9 9 10 12 13 10 9 6 5 5 Clouds SC SC B1 OV B2 SC SC SC SC B2 B1 B1 B1 SC SC SC SC B1 SC B1 B1 PoP 12hr 40 30 20 20 40 QPF 12hr 0.23 0 0 0 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S S S S S S S C C C C Tstms S S S S S S S S S C C C C Heat index 94 97103100 87 94 97 92 Max heat 95 93 98 106 101 95 100 90 Heat Y Y Y Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 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 89 66 86 63 86 62 87 64 84 Temp 84 84 71 66 81 82 68 64 81 82 68 63 82 82 69 64 79 79 Dewpt 71 70 70 66 69 67 66 64 66 65 65 63 67 66 64 63 65 63 PWind dir NW NE NE NE E SE S SE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW SC SC B1 FW FW SC SC FW FW FW SC FW FW SC SC SC PoP 12hr 10 20 10 5 0 5 5 20 10 Rain shwrs S S S Tstms S S S $$ SDZ070-160900- VERMILLION-CLAY SD 42.95N 96.92W Elev. 1132 ft 426 PM CDT Fri Aug 15 2025 Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 95 74 92 70 Temp 87 80 77 75 73 81 91 94 91 83 80 77 75 82 89 91 86 79 75 72 71 Dewpt 77 76 73 70 70 71 75 75 75 72 69 67 67 72 74 76 75 73 72 69 70 RH 72 88 87 84 90 72 60 54 60 70 69 71 76 72 61 62 70 82 90 90 97 Wind dir SE SE SE S SE SE SE SE SE SE S SE SE S S S S S S S S Wind spd 4 5 6 5 4 6 11 12 10 10 10 10 10 10 12 13 10 10 8 6 5 Clouds SC SC B1 B2 B2 FW FW FW FW SC B1 B1 B1 SC SC SC SC B1 B1 SC B1 PoP 12hr 20 0 10 20 40 QPF 12hr 0 0 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S C C C C Tstms S S S S S S C C C C Heat index 100 86 85102106102 88 82 87 98102 95 Max heat 102 97 103 107 99 83 101 105 92 Heat Y Y Y Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 68 87 65 86 64 87 64 86 Temp 87 86 73 69 83 83 69 66 82 82 68 65 84 83 70 65 82 81 Dewpt 75 76 72 69 73 72 69 66 70 70 67 65 70 69 66 63 67 67 PWind dir SW E NE NE E SE S SE E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC SC FW FW SC SC FW FW FW FW FW FW SC SC SC PoP 12hr 10 20 10 5 5 5 5 20 20 Rain shwrs S S S S S Tstms S S S S S $$ SDZ069-160900- YANKTON-YANKTON SD 42.95N 97.39W Elev. 1207 ft 426 PM CDT Fri Aug 15 2025 Date 08/15/25 Sat 08/16/25 Sun 08/17/25 Mon 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 96 74 94 70 Temp 87 79 76 74 72 81 93 96 93 83 79 77 74 81 87 91 88 79 75 72 70 Dewpt 77 76 74 71 70 71 73 75 75 72 69 67 67 70 73 74 74 73 72 70 69 RH 72 91 94 90 93 72 52 51 56 70 72 71 79 69 63 58 63 82 90 93 97 Wind dir SE SE SE S E SE SE SE E SE SE SE SE S S S S S S S SW Wind spd 6 5 5 4 4 5 11 13 11 10 10 10 9 10 13 13 10 10 8 6 5 Clouds SC SC B1 B2 B2 SC FW FW SC B1 B1 B1 B1 SC SC SC SC B1 SC SC SC PoP 12hr 20 10 20 20 40 QPF 12hr 0 0 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S S S S C C C C Tstms S S S S S S S S S S C C C C Heat index 99 85102109105 88 81 85 94101 96 Max heat 100 97 103 111 102 96 102 93 Heat Y Y Y Date 08/18 Tue 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 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 68 89 66 88 64 90 65 88 Temp 85 86 73 69 83 84 70 66 82 84 69 65 84 85 71 65 82 82 Dewpt 73 74 71 69 72 70 69 66 69 68 67 65 68 68 66 63 66 66 PWind dir NW NE NE E E SE S SE E Wind char LT LT LT LT LT LT GN LT GN Avg clouds SC FW SC SC SC FW FW SC SC FW FW SC FW FW FW SC SC SC PoP 12hr 10 20 10 5 5 5 5 20 20 Rain shwrs S S S S S Tstms S S S S S $$