Point Forecast Matrices
Issued by NWS Sioux Falls, SD
Issued by NWS Sioux Falls, SD
093 FOUS53 KFSD 172356 PFMFSD Point Forecast Matrices National Weather Service Sioux Falls SD 656 PM CDT Sun Aug 17 2025 IAZ012-180900- SIOUX CENTER-SIOUX IA 43.08N 96.18W Elev. 1446 ft 656 PM CDT Sun Aug 17 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 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 89 66 85 61 Temp 82 74 72 70 69 78 85 89 86 75 71 69 67 74 81 83 80 70 67 64 63 Dewpt 74 72 70 70 69 73 75 76 76 72 70 69 67 70 71 72 72 69 67 64 63 RH 77 93 93100100 85 72 66 72 90 97100100 87 72 70 77 97100100100 Wind dir SE S S SW S W W NW N NE NE NE NE NE NE NE NE NE E E E Wind spd 4 10 10 9 8 8 6 5 4 4 5 5 5 5 5 6 5 5 4 3 2 Clouds B1 SC B2 B2 B2 SC SC FW FW FW SC SC B1 SC FW FW FW FW FW FW SC PoP 12hr 50 10 10 5 5 QPF 12hr 0.39 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C Tstms S S C C Heat index 89 94 99 96 85 88 84 Max heat 92 85 94 100 90 85 88 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 60 83 61 82 55 76 50 73 Temp 78 77 63 61 79 79 66 63 78 76 62 57 73 71 57 52 70 69 Dewpt 68 68 63 61 67 68 62 61 66 65 58 54 56 56 53 49 52 53 PWind dir E SE S S NW N NW N N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW CL CL FW FW CL FW SC SC SC FW SC SC FW FW FW SC FW PoP 12hr 0 0 0 20 20 20 5 10 10 Rain shwrs S S S Tstms S $$ IAZ031-180900- SIOUX CITY-WOODBURY IA 42.40N 96.38W Elev. 1210 ft 656 PM CDT Sun Aug 17 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 90 69 86 63 Temp 87 78 75 73 71 78 86 89 88 78 74 71 69 77 84 85 84 74 70 67 65 Dewpt 74 72 71 70 70 73 74 75 76 75 73 71 69 72 72 72 72 70 69 67 65 RH 65 82 87 90 97 85 68 64 68 91 97100100 85 67 65 67 87 97100100 Wind dir SE SE SE SW SE SW W W N N NE NE N NE NE NE NE NE NE NE NE Wind spd 6 9 9 8 5 6 8 5 4 3 3 3 3 5 6 6 6 4 3 2 2 Clouds B1 SC B2 B2 B2 SC FW FW CL FW SC SC B1 SC FW FW FW FW FW FW SC PoP 12hr 50 20 20 10 5 QPF 12hr 0.26 0 0.04 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S S Tstms S C C S S S Heat index 95 94 99 99 89 91 89 Max heat 99 92 97 102 99 90 92 86 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 62 85 63 84 58 78 53 75 Temp 80 80 66 62 81 81 67 64 81 79 65 60 75 75 59 54 72 71 Dewpt 68 68 65 62 66 66 64 61 66 65 62 57 57 57 55 52 53 54 PWind dir E SE SE S NW N NW N N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW CL CL FW FW CL FW SC SC SC SC SC SC FW FW SC SC FW PoP 12hr 0 0 0 10 10 30 10 10 10 Rain shwrs C Tstms S $$ IAZ014-180900- SPENCER-CLAY IA 43.15N 95.18W Elev. 1325 ft 656 PM CDT Sun Aug 17 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 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 88 66 83 60 Temp 84 77 75 72 70 77 84 88 86 76 71 68 66 72 79 82 79 70 66 63 61 Dewpt 76 73 71 70 70 73 75 76 76 72 70 68 66 69 70 71 71 67 65 63 61 RH 77 87 87 93100 87 74 68 72 87 97100100 90 74 69 77 90 97100100 Wind dir SE SE SE S S SW W W N NE N N N NE N N NE NE NE NE NE Wind spd 5 10 10 10 9 10 10 9 5 5 4 5 5 5 8 8 6 5 4 3 3 Clouds B1 B1 B2 B2 B2 B1 SC SC FW FW SC B1 B1 SC FW FW FW FW FW FW SC PoP 12hr 50 20 10 5 0 QPF 12hr 0.36 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C S S Tstms C S C C S S Heat index 93 92 99 95 86 Max heat 100 85 94 100 90 86 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 59 82 61 82 56 76 50 72 Temp 76 76 63 60 78 78 65 61 78 76 62 57 72 71 56 52 69 68 Dewpt 66 66 63 60 65 66 62 60 66 65 59 54 56 56 52 49 52 52 PWind dir NE SE S S NW N NW N N Wind char LT LT LT LT LT LT GN LT LT Avg clouds FW CL CL FW FW CL FW SC SC SC FW SC FW FW FW FW FW FW PoP 12hr 0 0 0 10 10 20 5 10 5 Rain shwrs S S $$ IAZ022-180900- STORM LAKE-BUENA VISTA 42.60N 95.23W Elev. 1427 ft 656 PM CDT Sun Aug 17 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 88 68 83 62 Temp 82 77 75 73 73 78 84 87 85 76 72 69 68 73 79 82 79 70 67 65 64 Dewpt 75 74 71 70 70 73 76 77 77 75 72 69 68 71 72 72 72 69 67 65 64 RH 79 90 87 90 90 85 77 72 77 97100100100 93 79 72 79 97100100100 Wind dir S SE S S SW SW SW W N NE N N N NE NE NE NE NE NE NE NE Wind spd 6 10 10 10 10 10 10 9 5 4 5 5 5 6 6 8 6 5 5 5 4 Clouds SC B1 B2 B2 B2 B1 SC SC FW FW SC B1 B1 SC FW FW FW FW FW FW SC PoP 12hr 40 30 20 10 5 QPF 12hr 0.33 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C C S S S S S Tstms C S S C C S S S S S Heat index 89 92 98 97 86 Max heat 99 85 94 100 92 87 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 59 81 61 82 57 76 51 72 Temp 76 76 63 61 77 76 64 62 78 76 63 59 72 71 57 53 68 68 Dewpt 67 68 63 61 66 67 63 61 68 67 60 56 57 57 53 51 53 55 PWind dir NE E SE S W N NW N N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW CL CL FW FW CL FW SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 0 0 0 10 10 30 10 10 10 Rain shwrs S C Tstms S S $$ MNZ072-180900- MARSHALL-LYON MN 44.47N 95.82W Elev. 1151 ft 656 PM CDT Sun Aug 17 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 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 85 64 82 63 Temp 79 75 73 71 70 76 81 84 82 73 70 67 65 70 77 79 79 70 66 65 63 Dewpt 75 74 72 71 70 71 72 72 73 70 68 66 65 68 68 70 70 68 66 65 63 RH 88 97 97100100 85 74 67 74 90 93 97100 93 74 74 74 93100100100 Wind dir E S S S SW NW NW N N N NW NW NW N N N NE NE SE S SE Wind spd 9 11 10 9 8 8 9 9 8 5 4 4 4 5 6 6 5 3 2 2 2 Clouds B2 B1 B1 B2 B2 B1 SC FW FW FW SC SC B1 SC SC FW CL CL FW SC SC PoP 12hr 50 10 5 0 0 QPF 12hr 0.67 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms C C C S Heat index 85 90 87 Max heat 85 87 92 83 Flood A A A A Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 81 62 84 64 79 57 72 51 70 Temp 76 77 65 63 80 80 68 65 75 75 62 57 70 68 56 52 67 67 Dewpt 66 66 64 62 66 67 64 64 63 62 56 53 54 54 52 49 50 52 PWind dir SE SE S S NW NW NW NW NW Wind char LT LT GN GN GN LT GN LT GN Avg clouds SC CL CL FW FW CL SC SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 30 20 10 0 5 5 Rain shwrs C S Tstms S S $$ MNZ081-180900- WINDOM-COTTONWOOD MN 43.87N 95.12W Elev. 1355 ft 656 PM CDT Sun Aug 17 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 87 66 82 61 Temp 83 75 74 72 70 77 84 87 83 74 69 67 66 71 77 80 78 70 65 63 62 Dewpt 75 74 71 70 70 72 72 72 73 70 69 67 66 67 67 67 68 66 65 62 62 RH 77 97 90 93100 85 67 61 72 87100100100 87 71 65 71 87100 97100 Wind dir SE S SE S S W W NW N N N N N N N N N NE NE NE NE Wind spd 5 10 10 10 9 10 10 8 5 5 4 4 4 5 8 8 6 3 2 2 2 Clouds B2 B2 B2 B2 B2 B1 SC SC FW SC SC SC B1 SC FW FW FW FW CL SC SC PoP 12hr 50 20 10 5 0 QPF 12hr 0.44 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S Tstms C C C C S Heat index 90 89 94 89 82 Max heat 94 87 91 96 85 83 Flood A A A A Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 60 82 63 79 57 73 51 71 Temp 76 76 63 61 78 78 66 64 77 74 62 58 71 68 56 52 67 66 Dewpt 63 65 63 60 64 65 63 61 63 62 57 53 52 53 51 49 48 50 PWind dir E SE S S NW NW NW NW NW Wind char LT LT LT LT GN LT GN LT LT Avg clouds FW CL CL FW FW CL FW SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 20 10 20 5 5 5 Rain shwrs S S Tstms S $$ MNZ089-180900- WORTHINGTON-NOBLES MN 43.65N 95.58W Elev. 1584 ft 656 PM CDT Sun Aug 17 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 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 87 65 82 60 Temp 83 74 72 70 70 75 82 85 84 72 69 67 65 71 78 80 79 69 65 63 62 Dewpt 74 74 71 70 70 72 73 73 73 71 69 66 65 68 68 68 69 67 65 63 62 RH 74100 97100100 90 74 67 70 97100 97100 90 71 67 72 93100100100 Wind dir SE S S S SW W NW NW N NE N N N NE NE NE NE NE NE NE E Wind spd 5 11 10 10 9 10 9 8 5 5 5 5 5 6 6 8 6 5 3 2 2 Clouds B2 B1 B2 B2 B2 B1 SC SC FW FW SC SC B1 SC FW FW FW FW CL FW SC PoP 12hr 50 20 10 5 0 QPF 12hr 0.27 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S Tstms C C C C S Heat index 89 87 92 90 83 Max heat 92 86 90 95 86 84 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 81 59 82 62 79 56 73 50 71 Temp 76 76 63 60 78 78 65 63 76 74 62 57 71 69 55 51 67 66 Dewpt 65 66 63 60 65 66 63 61 64 63 56 53 53 54 52 49 49 52 PWind dir E SE S S NW NW NW N N Wind char LT LT GN LT GN LT GN LT LT Avg clouds SC CL CL FW FW CL FW SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 20 20 20 5 5 5 Rain shwrs S S S Tstms S $$ SDZ040-180900- BROOKINGS-BROOKINGS SD 44.30N 96.80W Elev. 1617 ft 656 PM CDT Sun Aug 17 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 85 63 83 60 Temp 81 74 72 69 67 74 82 85 82 72 67 65 63 72 79 82 79 70 65 63 61 Dewpt 72 71 69 68 67 70 71 71 71 69 67 64 63 67 68 68 68 67 65 62 61 RH 74 90 90 97100 87 69 63 69 90100 97100 84 69 63 69 90100 97100 Wind dir S SE S SW W NW N N NE NE NE NE NE NE NE NE NE E E SE SE Wind spd 8 12 10 9 5 6 8 8 6 5 5 4 4 5 6 8 6 5 3 2 2 Clouds SC SC B1 B1 B2 SC SC FW FW SC SC SC B1 SC FW FW FW FW CL FW SC PoP 12hr 20 5 5 5 0 QPF 12hr 0.19 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S S Heat index 85 85 90 87 85 Max heat 86 88 91 83 85 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 60 84 62 78 55 72 49 71 Temp 78 78 65 61 80 80 67 63 75 74 59 55 70 68 54 49 67 66 Dewpt 66 66 63 60 67 67 63 61 62 60 55 51 53 53 51 47 50 51 PWind dir SE SE S S N N NW N N Wind char LT LT GN GN GN LT GN LT GN Avg clouds SC CL CL FW FW FW SC B1 SC SC FW FW FW FW FW FW FW SC PoP 12hr 0 0 0 40 20 10 5 5 5 Rain shwrs S C S Tstms S S S $$ SDZ050-180900- BURKE-GREGORY SD 43.18N 99.29W Elev. 2142 ft 656 PM CDT Sun Aug 17 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 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 89 66 87 64 Temp 87 74 71 68 67 75 84 88 85 75 71 68 66 75 83 86 83 75 70 67 66 Dewpt 70 70 68 67 67 70 69 67 67 68 67 66 66 69 69 67 67 67 67 66 66 RH 57 87 90 97100 84 61 50 55 79 87 93100 82 63 53 59 76 90 97100 Wind dir S NW S W W N NE E NE E SE N E E E E E E SE S S Wind spd 9 9 6 5 5 6 8 6 6 5 5 4 4 5 8 8 9 5 5 5 5 Clouds FW B2 B1 SC SC FW CL FW FW B2 SC SC SC FW FW FW FW FW FW FW SC PoP 12hr 40 10 10 10 5 QPF 12hr 0.05 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S Tstms C S S Heat index 92 88 91 88 87 89 86 Max heat 93 88 89 93 87 88 91 84 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 66 91 64 80 57 76 53 74 Temp 83 83 71 66 86 86 72 66 76 76 63 60 72 72 59 55 69 69 Dewpt 68 65 65 63 67 65 63 61 62 58 57 54 55 54 52 51 53 52 PWind dir SE SE S SW N N N NE E Wind char GN GN GN GN GN LT GN LT GN Avg clouds FW CL FW FW CL CL SC SC SC SC SC SC SC FW SC SC SC SC PoP 12hr 0 0 5 30 30 20 10 20 20 Rain shwrs S C C S S S S S S Tstms S C S S $$ SDZ057-180900- CHAMBERLAIN-BRULE SD 43.77N 99.32W Elev. 1565 ft 656 PM CDT Sun Aug 17 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 90 65 89 65 Temp 87 75 72 69 67 75 84 89 87 76 72 68 66 75 84 87 86 76 71 68 66 Dewpt 71 72 71 68 67 71 69 68 69 70 68 67 66 70 70 69 68 69 68 67 66 RH 59 90 97 97100 87 61 50 55 82 87 97100 84 63 55 55 79 90 97100 Wind dir S SE S N N NE NE E N E E NE E E E E E E SE SE SE Wind spd 5 9 6 5 5 6 8 8 9 6 6 5 5 5 9 10 10 9 8 6 6 Clouds FW B1 SC SC SC SC FW FW FW B1 SC SC SC SC FW FW FW FW CL FW FW PoP 12hr 10 5 10 5 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 93 88 93 91 88 91 89 Max heat 95 91 89 95 89 89 93 87 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 67 94 63 83 57 78 53 75 Temp 85 85 72 68 88 89 73 66 78 79 64 59 73 74 60 55 70 71 Dewpt 69 67 66 65 67 66 65 62 60 59 57 54 54 53 52 52 52 52 PWind dir SE SE S E N N N NE E Wind char GN GN GN GN GN LT GN GN GN Avg clouds FW CL FW FW CL FW SC SC SC SC SC SC FW FW FW SC SC FW PoP 12hr 0 0 5 30 20 20 10 10 10 Rain shwrs S C S S Tstms S C $$ SDZ038-180900- HURON-BEADLE SD 44.38N 98.22W Elev. 1282 ft 656 PM CDT Sun Aug 17 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 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 87 64 86 64 Temp 84 75 72 68 68 72 80 85 83 75 69 67 64 73 82 85 83 74 69 66 64 Dewpt 73 73 71 68 67 68 69 69 70 69 67 66 64 68 68 68 68 69 67 65 64 RH 70 94 97100 97 87 69 59 65 82 93 97100 84 63 57 61 84 93 97100 Wind dir S SE SW NW N N N N NE NE E E E E E NE E E E SE SE Wind spd 8 10 6 5 5 6 8 8 8 5 5 4 3 5 5 6 6 5 5 5 5 Clouds FW SC B1 B1 B2 SC FW FW CL SC SC SC SC FW FW FW CL CL FW FW SC PoP 12hr 10 5 5 5 0 QPF 12hr 0.06 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 91 82 89 87 85 88 86 Max heat 94 88 85 91 86 85 89 84 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 89 63 81 55 75 50 73 Temp 81 81 69 65 83 84 70 64 76 76 62 55 71 71 57 50 69 69 Dewpt 69 67 65 63 68 68 65 61 60 59 56 51 53 52 51 48 51 52 PWind dir SE SE S SE N N N N N Wind char GN GN GN GN GN LT GN LT GN Avg clouds FW CL CL FW FW FW SC SC SC SC FW SC FW FW FW FW SC SC PoP 12hr 0 0 5 40 20 10 5 5 10 Rain shwrs C C S Tstms C S $$ SDZ059-180900- MITCHELL-DAVISON SD 43.76N 98.02W Elev. 1312 ft 656 PM CDT Sun Aug 17 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 88 65 87 64 Temp 85 74 72 69 68 76 83 87 85 75 70 66 65 75 82 85 83 75 70 66 64 Dewpt 72 73 71 69 68 70 71 71 71 70 68 66 65 69 71 70 70 69 67 66 64 RH 65 97 97100100 82 67 59 63 84 93100100 82 69 61 65 82 90100100 Wind dir S S SW SE N N N N NE NE NE E E E E E E E SE SE SE Wind spd 9 11 9 6 5 6 8 6 6 5 5 4 4 5 6 6 6 5 5 5 4 Clouds FW B1 B2 B1 B1 SC FW FW FW SC SC SC SC SC FW FW FW FW FW FW SC PoP 12hr 30 5 10 5 0 QPF 12hr 0.20 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Tstms S Heat index 91 87 93 91 86 90 88 Max heat 94 88 89 94 88 86 91 85 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 64 90 64 82 57 77 52 74 Temp 81 81 69 64 83 84 70 65 77 76 62 57 73 72 58 52 70 69 Dewpt 69 68 65 63 68 69 65 62 63 62 58 53 55 55 52 49 52 54 PWind dir SE SE S SE N N N N N Wind char GN GN GN GN GN LT GN LT GN Avg clouds FW CL FW FW FW CL SC SC SC SC SC SC FW FW FW SC SC SC PoP 12hr 0 0 0 30 20 20 5 10 10 Rain shwrs S C S S Tstms S S $$ SDZ062-180900- SIOUX FALLS-MINNEHAHA SD 43.57N 96.73W Elev. 1424 ft 656 PM CDT Sun Aug 17 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 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 66 85 63 Temp 81 74 72 70 70 77 84 88 86 76 71 68 66 74 81 84 81 72 68 65 64 Dewpt 73 71 70 70 69 73 74 73 73 70 68 68 66 69 69 69 69 68 66 65 63 RH 77 90 93100 97 87 72 61 65 82 90100100 84 67 61 67 87 93100 97 Wind dir S SE SE SW SW W NW N NE NE NE NE NE NE NE NE NE E E E E Wind spd 5 10 9 6 5 5 5 5 5 5 5 4 4 5 6 6 5 4 3 2 2 Clouds B1 B2 B2 B2 B1 SC SC FW FW FW SC SC B1 SC FW FW FW FW FW FW SC PoP 12hr 50 10 10 5 0 QPF 12hr 0.10 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C Tstms S C C Heat index 86 91 96 93 85 88 84 Max heat 88 85 93 98 90 86 90 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 84 61 84 64 81 57 75 51 73 Temp 79 79 66 62 80 80 68 64 77 76 62 57 73 71 57 52 70 69 Dewpt 67 66 63 62 67 67 64 62 64 61 57 53 55 53 52 49 51 52 PWind dir E SE S S N N NW N N Wind char LT LT GN LT GN LT LT LT LT Avg clouds SC CL CL FW FW CL FW SC SC SC FW SC FW FW FW FW SC FW PoP 12hr 0 0 0 30 20 20 5 10 5 Rain shwrs C S S Tstms S S $$ SDZ070-180900- VERMILLION-CLAY SD 42.95N 96.92W Elev. 1132 ft 656 PM CDT Sun Aug 17 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 89 69 86 63 Temp 83 75 73 71 70 78 85 88 87 77 74 71 69 76 84 85 82 74 70 67 65 Dewpt 74 73 71 70 70 74 76 76 78 75 73 71 69 72 73 73 73 71 70 67 65 RH 74 94 93 97100 88 75 68 75 94 97100100 87 70 67 74 90100100100 Wind dir SE SE SE S S SW W NW NE NE NE N NE NE NE NE NE E E E E Wind spd 5 10 9 8 6 6 5 5 5 4 4 4 4 5 6 6 6 5 4 3 2 Clouds SC B1 B2 B1 B1 SC FW FW CL FW SC SC B1 SC FW FW FW FW FW FW SC PoP 12hr 50 10 10 10 5 QPF 12hr 0.40 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S Tstms S C C S S Heat index 90 94 99 99 90 92 87 Max heat 94 89 96 102 97 91 93 84 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 62 86 64 83 58 77 53 74 Temp 81 79 66 63 82 81 70 65 80 79 64 59 75 73 59 54 71 71 Dewpt 70 70 66 63 69 68 64 63 67 66 61 56 58 58 55 52 54 55 PWind dir E SE SE S NW N NW N N Wind char LT LT GN GN GN LT LT LT LT Avg clouds FW CL CL FW FW CL FW SC SC SC SC SC SC FW FW SC SC FW PoP 12hr 0 0 0 20 20 30 10 10 10 Rain shwrs S S S C S Tstms S S S S $$ SDZ069-180900- YANKTON-YANKTON SD 42.95N 97.39W Elev. 1207 ft 656 PM CDT Sun Aug 17 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 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 90 68 87 65 Temp 83 74 72 70 70 77 84 88 87 77 74 70 68 75 82 84 83 74 70 67 66 Dewpt 75 73 71 70 70 73 75 76 77 74 73 70 68 72 72 73 73 71 70 67 65 RH 77 97 97100100 87 74 68 72 90 97100100 90 72 70 72 90100100 97 Wind dir SE SW S SE S W NW N NE N NE NE NE NE NE NE E E E E E Wind spd 8 10 9 8 6 6 6 5 5 5 5 4 4 5 8 6 6 5 5 3 3 Clouds FW B1 B2 B2 B1 SC FW FW FW SC SC SC B1 SC FW FW FW FW FW FW SC PoP 12hr 50 10 10 10 5 QPF 12hr 0.30 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C Tstms S C C Heat index 90 91 98 98 87 91 89 Max heat 92 87 94 102 96 89 92 86 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 62 88 66 82 58 78 53 75 Temp 80 80 68 63 82 84 70 66 78 78 64 59 73 73 59 54 70 70 Dewpt 70 69 66 63 69 69 65 63 66 64 59 56 57 57 55 52 54 55 PWind dir SE SE S S NW N NW N N Wind char LT LT GN GN GN LT GN LT GN Avg clouds FW CL FW FW FW CL FW SC SC SC SC SC SC FW SC SC SC FW PoP 12hr 0 0 0 20 20 20 10 10 10 Rain shwrs S S S S Tstms S S $$