Point Forecast Matrices
Issued by NWS Sioux Falls, SD
Issued by NWS Sioux Falls, SD
246 FOUS53 KFSD 190737 PFMFSD Point Forecast Matrices National Weather Service Sioux Falls SD 237 AM CDT Wed Aug 19 2026 IAZ012-192100- SIOUX CENTER-SIOUX IA 43.08N 96.18W Elev. 1446 ft 237 AM CDT Wed Aug 19 2026 Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 58 81 62 82 Temp 64 61 67 72 74 73 65 63 60 60 70 77 79 79 70 67 63 62 72 79 82 79 Dewpt 62 61 64 66 66 69 64 63 60 60 68 71 72 73 68 65 63 61 68 68 70 72 RH 93100 90 81 76 87 97100100100 93 82 79 82 93 93100 97 87 69 67 79 Wind dir E E SE SW SW NW S SW S S S S SW SW SW SW SW W NW NW NW NW Wind spd 3 3 3 4 3 2 2 3 3 4 6 11 11 8 4 3 3 2 2 2 2 2 Clouds B1 B2 B2 B2 B1 SC FW FW FW B1 SC SC FW SC FW FW FW SC FW FW FW FW PoP 12hr 30 5 5 20 5 QPF 12hr 0.07 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S S Tstms S S S S Heat index 81 86 Max heat 85 83 86 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 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 62 79 58 76 59 79 62 81 Temp 66 62 76 76 63 59 74 74 64 60 75 77 66 63 79 79 Dewpt 65 60 65 65 58 56 65 67 62 60 69 72 66 63 71 72 PWind dir NE NE E SE SE S SW NW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW B1 B2 B1 SC SC B2 SC FW SC B1 SC PoP 12hr 10 5 5 20 20 20 20 10 Rain shwrs S S S S S Tstms S S $$ IAZ031-192100- SIOUX CITY-WOODBURY IA 42.40N 96.38W Elev. 1210 ft 237 AM CDT Wed Aug 19 2026 Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 59 82 63 83 Temp 67 65 70 73 74 75 67 64 61 60 70 78 82 80 73 69 65 63 73 80 83 81 Dewpt 65 64 66 67 68 69 66 64 61 60 68 71 71 72 69 66 64 63 68 70 71 73 RH 93 97 87 81 82 82 97100100100 93 79 69 77 87 90 97100 84 72 67 77 Wind dir E E E W SE E SE S SE SE S S S S S SW SW W W NW NW SE Wind spd 3 2 3 4 3 3 2 2 2 2 5 9 9 5 5 3 3 2 2 3 2 2 Clouds B2 OV B2 B2 B1 FW FW FW SC B1 SC FW CL CL FW FW FW SC FW FW FW FW PoP 12hr 50 10 0 10 10 QPF 12hr 0.58 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C S S Tstms S C S S S S Heat index 86 84 83 88 86 Max heat 88 84 85 89 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 80 60 77 60 80 63 82 Temp 68 63 77 78 65 61 74 75 65 61 77 78 68 64 79 80 Dewpt 67 63 68 69 61 58 66 68 64 61 70 73 67 64 72 73 PWind dir NE NE E SE SE S S NW Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC FW FW B1 B2 B1 SC B1 B1 SC FW SC B1 SC PoP 12hr 20 5 10 20 20 10 20 10 Rain shwrs S S S S S Tstms S S S S $$ IAZ014-192100- SPENCER-CLAY IA 43.15N 95.18W Elev. 1325 ft 237 AM CDT Wed Aug 19 2026 Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 57 82 62 83 Temp 62 59 68 74 76 74 64 61 58 58 71 79 81 78 70 66 64 62 73 80 82 79 Dewpt 59 57 61 62 62 64 63 60 58 58 65 67 68 69 67 64 61 61 66 66 67 68 RH 90 93 78 66 62 71 97 97100100 81 67 65 74 90 93 90 97 79 62 61 69 Wind dir NE E E S SW NW SW SW SW SW SW SW SW SW SW SW W W NW NW N N Wind spd 3 2 3 4 4 3 3 3 3 3 8 11 12 10 6 5 5 4 4 5 4 3 Clouds SC B2 B1 B2 B1 SC FW FW FW SC FW SC SC FW SC FW FW SC FW FW FW FW PoP 12hr 20 5 10 20 10 QPF 12hr 0.02 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Tstms S S S Heat index 83 85 Max heat 84 82 85 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 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 79 56 77 57 80 61 82 Temp 65 61 76 75 61 57 74 74 62 58 76 76 65 62 79 79 Dewpt 62 59 63 62 55 54 61 64 59 58 66 68 64 62 68 69 PWind dir N N NE SE SE S SW NW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC B1 SC SC SC B1 SC SC SC B1 SC PoP 12hr 20 5 5 10 20 10 20 5 Rain shwrs S S S Tstms S S S $$ IAZ022-192100- STORM LAKE-BUENA VISTA 42.60N 95.23W Elev. 1427 ft 237 AM CDT Wed Aug 19 2026 Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 59 81 63 82 Temp 65 62 68 73 74 73 64 62 61 59 70 77 79 78 69 67 65 63 72 79 81 78 Dewpt 63 61 64 66 67 68 64 62 61 59 67 69 70 71 68 65 64 63 68 69 70 71 RH 93 97 87 79 79 84100100100100 90 76 74 79 97 93 97100 87 72 69 79 Wind dir NE E E SE W N W S SW SW S SW SW SW SW SW SW W NW NW NW NW Wind spd 4 3 3 3 3 2 2 2 2 3 5 8 10 5 5 5 5 4 3 3 3 1 Clouds B2 B2 B1 B2 B1 SC FW FW SC SC FW FW FW FW FW FW FW FW FW CL CL FW PoP 12hr 30 10 5 20 10 QPF 12hr 0.03 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S S C Tstms S S S S C Heat index 85 Max heat 83 85 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 79 59 76 59 78 62 81 Temp 66 62 76 74 62 59 73 72 62 60 75 75 66 63 78 77 Dewpt 65 62 66 67 59 57 64 67 61 60 68 71 65 63 70 72 PWind dir N N NE SE SE S SW NW Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC FW FW FW B1 B1 B1 SC B1 B1 SC FW SC B1 SC PoP 12hr 30 5 10 10 20 10 20 10 Rain shwrs C S S S Tstms C S S $$ MNZ072-192100- MARSHALL-LYON MN 44.47N 95.82W Elev. 1151 ft 237 AM CDT Wed Aug 19 2026 Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 62 85 62 83 Temp 60 59 69 76 78 77 67 64 63 62 73 81 83 81 71 66 64 62 73 80 82 81 Dewpt 55 54 57 59 60 62 63 62 61 62 65 65 64 64 64 62 61 60 62 61 60 61 RH 84 83 66 56 54 60 87 93 93100 76 58 53 56 79 87 90 93 68 52 47 51 Wind dir SE W S W NW S SW SW SW SW SW SW SW SW SW W W W NW N N N Wind spd 2 1 3 4 4 4 6 8 9 10 12 13 12 10 9 6 5 5 5 8 8 5 Clouds B1 B2 B1 SC SC FW FW FW FW SC SC B1 SC SC FW FW FW SC CL CL CL FW PoP 12hr 5 5 30 10 5 QPF 12hr 0 0 0.02 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Heat index 83 83 Max heat 83 85 81 83 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 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 79 58 79 61 83 64 84 Temp 65 61 76 77 62 58 76 77 64 62 79 81 68 65 81 81 Dewpt 61 58 57 54 54 53 56 58 60 59 62 65 64 63 64 65 PWind dir NW N E SE S SW SW NW Wind char LT GN LT LT LT GN GN GN Avg clouds FW FW FW FW FW SC B1 B1 SC SC B1 SC FW SC SC FW PoP 12hr 10 0 0 5 10 10 20 10 Rain shwrs S Tstms S $$ MNZ081-192100- WINDOM-COTTONWOOD MN 43.87N 95.12W Elev. 1355 ft 237 AM CDT Wed Aug 19 2026 Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 59 82 62 82 Temp 60 58 69 74 76 75 66 62 60 61 72 80 82 79 70 67 64 62 72 79 82 80 Dewpt 55 55 58 58 59 60 63 61 60 60 63 63 64 65 66 64 61 61 63 60 60 62 RH 84 90 68 57 56 60 90 97100 97 73 56 55 62 87 90 90 97 73 52 47 54 Wind dir NE SE S SW SW SW SW SW SW SW SW SW SW SW SW SW W W NW N N N Wind spd 2 1 2 3 4 3 4 4 5 6 11 13 13 11 6 6 5 4 5 6 6 4 Clouds SC B2 B1 B1 SC SC FW FW FW SC SC SC SC SC SC CL FW FW FW FW CL FW PoP 12hr 10 5 30 30 5 QPF 12hr 0 0 0 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C Tstms S C S Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 79 56 78 58 80 62 82 Temp 66 61 76 77 62 57 75 75 63 59 77 78 67 63 79 80 Dewpt 61 58 56 55 54 53 55 58 60 59 61 64 65 62 63 65 PWind dir NW N NE SE S S SW NW Wind char LT GN LT LT LT GN LT GN Avg clouds FW FW FW FW FW SC B1 B1 SC SC B1 SC FW SC SC FW PoP 12hr 10 0 5 10 10 10 20 10 Rain shwrs S Tstms S $$ MNZ089-192100- WORTHINGTON-NOBLES MN 43.65N 95.58W Elev. 1584 ft 237 AM CDT Wed Aug 19 2026 Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 77 58 81 61 82 Temp 60 58 67 73 75 74 64 62 59 59 70 78 81 78 69 66 63 61 72 79 82 79 Dewpt 58 56 59 62 61 63 64 62 59 59 64 66 66 67 66 64 61 60 64 62 61 64 RH 93 93 75 68 62 69100100100100 81 67 60 69 90 93 93 97 76 56 49 60 Wind dir NE SE S SW SW SW S SW SW SW SW SW SW SW SW W W W NW N N N Wind spd 3 3 3 4 5 3 4 5 6 8 11 13 13 11 8 6 5 4 5 4 4 4 Clouds B1 B2 B1 B1 B1 SC FW FW FW SC SC SC SC SC FW FW FW FW FW FW CL FW PoP 12hr 20 5 20 20 10 QPF 12hr 0.07 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Tstms S S S Heat index 83 Max heat 83 83 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 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 60 78 57 77 58 79 62 81 Temp 65 60 75 76 61 57 74 75 63 59 76 77 66 63 78 79 Dewpt 62 58 58 57 55 53 57 60 60 59 63 65 65 62 65 66 PWind dir N N NE SE S S SW NW Wind char LT GN LT LT LT GN LT GN Avg clouds FW FW FW FW FW B1 B1 B1 SC SC B1 SC FW SC B1 SC PoP 12hr 10 0 5 10 20 10 20 10 Rain shwrs S S Tstms S S $$ SDZ040-192100- BROOKINGS-BROOKINGS SD 44.30N 96.80W Elev. 1617 ft 237 AM CDT Wed Aug 19 2026 Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 59 85 58 84 Temp 60 57 68 74 77 75 66 62 60 60 72 81 84 81 70 64 61 59 73 81 84 81 Dewpt 55 55 59 61 62 62 63 61 60 60 65 64 61 62 62 61 59 57 61 59 58 61 RH 84 93 73 64 60 64 90 97100100 79 56 46 53 76 90 93 93 66 47 41 51 Wind dir E SE S SW W SW S S S S SW SW SW W W W NW NW N N N N Wind spd 3 3 5 8 6 4 5 6 6 8 11 13 13 10 5 3 2 2 4 6 6 6 Wind gust 24 24 Clouds B1 OV B1 B1 SC FW FW FW FW B1 SC SC FW SC FW CL FW SC CL FW FW FW PoP 12hr 20 5 10 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Heat index 83 Max heat 84 86 82 84 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 79 56 79 60 83 62 83 Temp 64 59 76 77 61 57 76 77 64 60 79 80 66 62 81 81 Dewpt 59 55 56 54 53 52 56 59 59 59 63 65 64 62 64 64 PWind dir N NE E SE S SW SW NW Wind char LT GN LT GN GN GN LT GN Avg clouds FW FW FW FW FW B1 B2 B1 SC SC B1 FW FW SC B1 FW PoP 12hr 10 0 5 10 20 10 20 10 Rain shwrs S S Tstms S S $$ SDZ050-192100- BURKE-GREGORY SD 43.18N 99.29W Elev. 2142 ft 237 AM CDT Wed Aug 19 2026 Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 87 64 86 Temp 65 64 68 73 77 76 68 65 63 62 73 82 86 84 73 69 66 64 73 82 86 83 Dewpt 63 62 63 64 64 65 65 64 63 62 65 63 60 64 61 60 59 59 64 65 65 68 RH 93 93 84 73 64 69 90 97100100 76 53 42 51 66 73 78 84 73 56 50 61 Wind dir W N N E SE S S S SW SW SW SW W N N SE S S SE SE SE SE Wind spd 4 6 6 8 8 6 8 10 11 12 11 10 10 6 4 4 4 5 6 9 9 8 Clouds OV B2 B1 SC FW FW FW CL FW SC CL CL FW FW FW CL FW FW FW FW FW FW PoP 12hr 30 0 0 5 5 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S Tstms C C S S Heat index 84 86 Max heat 84 87 83 84 88 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 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 81 63 80 63 84 65 84 Temp 69 63 76 79 66 63 74 78 67 64 79 81 69 65 79 81 Dewpt 64 60 62 63 60 60 65 67 64 62 68 69 66 64 66 67 PWind dir E E SE SE S S SW NE Wind char LT GN GN BZ BZ GN GN GN Avg clouds FW SC SC FW SC B1 B2 B1 SC SC SC FW SC SC SC SC PoP 12hr 10 0 30 40 20 20 20 10 Rain shwrs C C S S S S S Tstms C C S S S S S $$ SDZ057-192100- CHAMBERLAIN-BRULE SD 43.77N 99.32W Elev. 1565 ft 237 AM CDT Wed Aug 19 2026 Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 62 88 63 87 Temp 64 63 69 75 79 78 69 66 64 62 74 84 88 86 73 68 65 63 74 83 87 85 Dewpt 64 63 66 65 63 64 66 66 64 62 64 63 59 61 61 61 61 60 62 63 62 64 RH 100100 90 71 58 62 90100100100 71 49 38 43 66 78 87 90 66 51 43 50 Wind dir NW NW NW SW S SE S S S S SW W NW N NE SE S E E E SE E Wind spd 4 4 5 8 6 6 9 9 8 6 8 8 9 6 4 3 2 3 5 9 9 9 Clouds B2 OV SC FW FW FW FW FW FW SC CL CL FW CL FW FW FW FW FW FW FW FW PoP 12hr 30 5 0 5 5 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C Tstms C S C Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 82 62 82 63 86 65 85 Temp 69 63 78 80 67 63 76 79 68 64 80 83 69 65 81 82 Dewpt 63 59 59 59 58 59 64 66 66 64 68 68 68 65 66 65 PWind dir E E SE SE SE S S NE Wind char LT GN GN BZ GN GN LT LT Avg clouds FW FW FW FW SC B2 B2 B1 SC SC B1 SC SC SC SC SC PoP 12hr 10 0 30 30 20 10 20 10 Rain shwrs C C S S S S Tstms C S S S S $$ SDZ038-192100- HURON-BEADLE SD 44.38N 98.22W Elev. 1282 ft 237 AM CDT Wed Aug 19 2026 Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 62 88 60 87 Temp 62 61 69 77 80 77 67 64 63 62 73 82 86 84 72 66 62 60 73 83 86 83 Dewpt 60 59 63 63 62 64 65 64 63 62 65 63 59 62 62 61 60 59 61 59 59 62 RH 93 93 81 62 54 64 93100100100 76 53 40 48 71 84 93 96 66 44 40 49 Wind dir E SE SE S S S S S S SE S SW NW NW NW NW N N NE NE N N Wind spd 4 4 6 8 8 5 6 8 8 8 9 10 11 9 4 3 3 3 4 5 5 5 Clouds B2 B2 B2 SC FW FW FW FW SC SC SC FW FW FW CL FW FW FW FW CL FW FW PoP 12hr 30 5 5 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S Tstms S Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 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 60 82 60 81 63 85 63 85 Temp 67 60 79 80 64 61 77 79 66 64 80 82 68 64 81 82 Dewpt 60 57 56 56 56 55 59 63 63 62 65 67 65 63 64 65 PWind dir NE NE E SE SE SW SW N Wind char LT GN LT GN GN GN LT GN Avg clouds FW FW SC FW FW B1 B2 B1 SC SC B1 FW FW SC SC FW PoP 12hr 0 0 10 20 20 10 10 5 Rain shwrs S S S Tstms S S $$ SDZ059-192100- MITCHELL-DAVISON SD 43.76N 98.02W Elev. 1312 ft 237 AM CDT Wed Aug 19 2026 Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 61 88 61 87 Temp 64 62 69 74 79 77 67 64 62 61 73 82 86 84 72 66 63 61 74 83 86 83 Dewpt 62 62 65 65 64 66 66 64 62 61 67 66 63 66 64 63 61 59 63 63 63 67 RH 93100 87 74 60 69 97100100100 81 58 46 55 76 90 93 93 69 51 46 59 Wind dir SE SE SE S E S S S S S S SW W NW NW W W NW NE NE E NE Wind spd 4 4 6 8 8 6 8 8 8 8 10 11 11 8 5 4 3 2 4 5 6 5 Clouds B2 OV B2 SC FW FW FW FW SC SC FW SC FW FW FW CL FW FW FW FW FW FW PoP 12hr 40 5 5 0 5 QPF 12hr 0.04 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C Tstms S S S Heat index 84 86 86 Max heat 82 85 89 85 84 89 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 83 60 81 62 84 64 85 Temp 67 61 78 80 64 61 76 79 66 63 79 82 67 64 80 82 Dewpt 63 59 59 61 58 56 61 66 65 62 67 70 67 64 67 68 PWind dir NE NE E SE S S SW NW Wind char LT GN LT GN GN GN LT GN Avg clouds FW FW FW FW SC B1 B2 B1 SC SC B1 FW SC SC B1 SC PoP 12hr 5 0 10 20 30 10 10 10 Rain shwrs S S C S Tstms S S $$ SDZ062-192100- SIOUX FALLS-MINNEHAHA SD 43.57N 96.73W Elev. 1424 ft 237 AM CDT Wed Aug 19 2026 Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 60 85 62 86 Temp 64 62 69 74 77 76 67 63 61 61 72 81 84 82 72 67 64 62 75 83 86 83 Dewpt 60 59 63 65 64 63 65 63 61 61 66 66 65 65 65 63 61 60 63 61 61 63 RH 87 90 81 74 64 64 93100100100 81 60 53 56 79 87 90 93 66 47 43 51 Wind dir E E S SW SW SW S SW S S SW S SW SW SW W W NW N N NW N Wind spd 3 3 4 5 6 4 4 4 4 4 9 11 12 10 4 3 3 2 3 4 5 5 Wind gust 23 Clouds B1 OV B2 B1 SC FW FW FW FW B1 SC SC FW FW FW CL FW SC FW FW FW FW PoP 12hr 40 5 10 10 5 QPF 12hr 0.07 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S Tstms S S Heat index 83 86 84 Max heat 85 88 83 85 88 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 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 62 82 60 80 61 83 64 84 Temp 67 62 79 80 64 60 76 78 66 62 79 80 68 64 81 82 Dewpt 62 58 58 57 55 55 59 62 62 61 65 68 66 64 66 66 PWind dir NE NE E SE SE S SW NW Wind char LT GN LT GN LT GN LT LT Avg clouds FW FW FW FW FW B1 B2 B1 SC SC B1 SC FW SC B1 SC PoP 12hr 10 0 5 10 20 20 10 5 Rain shwrs S S S Tstms S $$ SDZ070-192100- VERMILLION-CLAY SD 42.95N 96.92W Elev. 1132 ft 237 AM CDT Wed Aug 19 2026 Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 60 84 63 84 Temp 67 65 69 71 76 75 68 65 62 61 72 79 83 82 72 69 65 63 73 81 83 81 Dewpt 66 64 67 68 69 70 67 65 62 61 70 72 72 74 70 66 64 63 69 70 71 74 RH 97 97 93 90 79 84 97100100100 93 79 70 77 93 90 97100 87 69 67 79 Wind dir E E E S S E S S S S S S S S SW SW W W W N SE SE Wind spd 3 3 4 5 5 4 3 3 4 4 6 11 11 8 5 3 3 2 3 4 4 4 Clouds B2 OV B2 B2 SC FW FW FW FW SC FW FW CL FW FW FW FW SC FW FW FW FW PoP 12hr 50 10 5 20 10 QPF 12hr 0.46 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S S S S Tstms C S S S S Heat index 88 87 84 88 86 Max heat 84 90 85 90 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 80 60 77 61 80 64 83 Temp 68 63 77 78 65 61 74 75 66 62 76 78 68 64 79 80 Dewpt 68 63 67 70 62 59 67 70 65 62 70 74 68 64 72 74 PWind dir E NE E SE SE S S NW Wind char LT LT LT GN GN GN LT LT Avg clouds FW SC FW FW FW B1 B2 B1 SC B1 B1 SC FW SC B1 SC PoP 12hr 20 0 10 20 20 10 20 5 Rain shwrs S S S S S Tstms S S S S S $$ SDZ069-192100- YANKTON-YANKTON SD 42.95N 97.39W Elev. 1207 ft 237 AM CDT Wed Aug 19 2026 Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 77 60 85 63 84 Temp 66 65 68 71 76 75 68 65 62 61 71 79 83 82 72 68 65 63 72 80 84 82 Dewpt 65 64 66 67 66 70 67 65 62 61 70 72 71 73 69 65 63 62 68 70 70 73 RH 97 97 93 87 71 84 97100100100 97 79 67 74 90 90 93 97 87 72 63 74 Wind dir E E E SE S SE S S S S S S SW SW SW SW W W W E SE SE Wind spd 4 3 5 6 5 4 4 4 4 4 8 10 11 6 5 3 3 3 3 4 4 4 Clouds B2 OV B2 B2 SC FW FW FW FW SC SC FW CL CL FW FW FW SC FW FW FW FW PoP 12hr 50 10 5 20 10 QPF 12hr 0.33 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C S S S Tstms S C S S S S Heat index 88 87 84 88 87 Max heat 84 90 85 90 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 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 81 61 78 62 81 64 84 Temp 68 63 78 79 65 61 74 76 66 62 77 79 68 65 80 81 Dewpt 67 62 65 68 62 58 66 70 65 62 70 74 68 65 71 73 PWind dir E NE E SE SE S SW NW Wind char LT LT LT GN GN GN LT LT Avg clouds FW SC FW FW FW B1 B2 B1 SC B1 B1 SC FW SC B1 SC PoP 12hr 20 5 10 20 20 10 20 10 Rain shwrs S S S S S Tstms S S S S $$