Point Forecast Matrices
Issued by NWS Sioux Falls, SD
Issued by NWS Sioux Falls, SD
522 FOUS53 KFSD 211933 PFMFSD Point Forecast Matrices National Weather Service Sioux Falls SD 233 PM CDT Fri Aug 21 2026 IAZ012-220900- SIOUX CENTER-SIOUX IA 43.08N 96.18W Elev. 1446 ft 233 PM CDT Fri Aug 21 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 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 60 81 56 77 61 Temp 82 80 69 65 62 60 71 76 79 78 66 61 57 56 67 72 76 74 67 64 63 61 Dewpt 66 67 62 60 58 57 63 63 61 62 58 55 53 52 59 62 65 66 64 62 61 61 RH 58 65 78 84 87 90 76 64 54 58 75 81 86 86 75 71 69 76 90 93 93100 Wind dir N N NE NE NW N N N N N E E E E SE S S S SE SE SE SE Wind spd 5 3 2 1 1 3 4 5 4 3 3 2 2 2 3 5 5 5 6 6 9 10 Clouds CL CL FW FW FW FW CL FW CL CL FW FW SC SC B1 B1 B1 B1 B2 B2 OV OV PoP 12hr 0 0 5 5 70 QPF 12hr 0 0 0 0 0.44 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C Tstms S S C C C Heat index 84 82 Max heat 86 81 Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 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 77 63 82 61 81 59 80 61 79 Temp 70 75 66 64 77 79 66 62 77 78 64 60 76 77 65 61 75 77 Dewpt 69 72 66 64 73 72 64 61 67 67 61 59 68 69 64 61 71 72 PWind dir S S SW W NW N S SE SE Wind char GN LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 B1 B1 SC SC FW SC FW FW FW SC SC SC B1 B1 SC PoP 12hr 40 20 20 20 10 10 10 40 20 Rain shwrs C S S S S S S C C S S Tstms C S S S S S S S $$ IAZ031-220900- SIOUX CITY-WOODBURY IA 42.40N 96.38W Elev. 1210 ft 233 PM CDT Fri Aug 21 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 81 58 77 62 Temp 83 82 72 67 63 61 71 77 80 79 69 64 60 58 67 72 75 76 69 66 64 62 Dewpt 67 71 66 63 61 60 65 66 66 67 63 59 56 55 61 64 66 67 64 63 62 61 RH 59 69 81 87 93 97 81 69 62 67 81 84 87 90 81 76 74 74 84 90 93 97 Wind dir NW N NE N NW NW N N N N E E E SE SE SE SE SE SE SE SE SE Wind spd 4 3 3 1 1 2 3 4 4 2 2 3 2 1 4 6 6 6 6 8 8 9 Clouds CL FW FW FW FW SC CL FW FW FW FW SC FW B1 B1 B1 B1 B1 B2 B2 B2 OV PoP 12hr 5 5 5 10 70 QPF 12hr 0 0 0 0 0.57 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C Tstms S S C C C Heat index 86 86 Max heat 88 83 84 Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 64 82 62 81 61 80 62 80 Temp 73 77 68 65 79 80 68 63 78 79 66 61 77 78 67 63 76 78 Dewpt 69 71 66 64 73 73 66 62 69 70 63 61 69 71 65 63 72 72 PWind dir SE SE SW W NW NW SW SE SE Wind char GN LT LT LT LT LT LT LT LT Avg clouds B2 SC SC B1 B1 SC SC SC SC FW FW SC B1 SC SC B1 B2 SC PoP 12hr 40 20 20 30 10 10 10 40 20 Rain shwrs C S S S S C S C C S Tstms C S S S S C S S S S $$ IAZ014-220900- SPENCER-CLAY IA 43.15N 95.18W Elev. 1325 ft 233 PM CDT Fri Aug 21 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 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 59 80 53 79 59 Temp 81 79 67 63 61 60 71 76 78 76 64 58 55 54 67 75 77 75 66 63 61 59 Dewpt 65 64 61 58 56 56 61 60 59 58 55 52 50 50 57 58 59 61 59 58 57 58 RH 58 60 81 84 84 87 71 58 52 54 73 80 83 86 70 55 54 62 78 84 87 96 Wind dir N N N NW NW NW N N N N NE N N N SE S S S SE SE SE SE Wind spd 10 5 3 2 3 5 8 9 9 6 3 2 1 1 2 3 3 3 4 5 6 8 Clouds CL CL FW FW FW FW FW CL CL CL FW CL SC SC SC B1 B1 B1 B1 B2 OV OV PoP 12hr 0 0 0 0 60 QPF 12hr 0 0 0 0 0.20 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L L Tstms S S S Heat index 83 Max heat 84 Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 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 78 61 83 61 82 58 81 60 81 Temp 72 74 64 62 79 79 66 61 79 78 63 58 78 77 64 60 77 77 Dewpt 65 66 63 62 69 69 63 60 65 64 59 57 64 65 61 60 67 68 PWind dir SE S SW W NW NW NW SE S Wind char GN LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 B1 B2 SC SC SC FW FW FW FW SC SC FW SC B1 SC PoP 12hr 60 20 20 20 5 5 10 40 20 Rain shwrs L S S S S S S C S Tstms S S S S S S $$ IAZ022-220900- STORM LAKE-BUENA VISTA 42.60N 95.23W Elev. 1427 ft 233 PM CDT Fri Aug 21 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 80 56 77 61 Temp 82 79 68 65 63 61 70 77 78 75 65 60 58 56 67 74 76 74 66 63 62 61 Dewpt 66 69 63 61 60 58 64 64 63 64 58 55 54 53 60 62 63 65 61 60 60 60 RH 58 72 84 87 90 90 81 64 60 69 78 84 86 90 78 66 64 74 84 90 93 97 Wind dir N N N N NW NW N N N N NE NE NE NE SE SE S SE SE SE SE SE Wind spd 6 3 3 2 2 4 5 6 6 3 3 2 2 1 1 2 2 2 4 5 6 8 Clouds CL CL CL FW FW FW CL CL SC FW CL FW SC SC SC B1 B2 B1 B2 B2 B2 OV PoP 12hr 0 0 0 5 60 QPF 12hr 0 0 0 0 0.40 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C Tstms S S C Heat index 84 Max heat 85 Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 62 81 62 81 60 80 61 80 Temp 72 73 65 63 78 78 66 62 78 77 64 60 77 76 65 61 76 76 Dewpt 68 69 64 63 72 72 65 61 68 69 61 59 68 69 63 61 70 71 PWind dir SE SE SW W NW NW NW SE SE Wind char GN LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 B1 B2 SC B1 SC FW FW FW FW SC SC SC B1 B1 SC PoP 12hr 50 20 20 20 20 5 10 40 20 Rain shwrs C S S S S S S S S C S Tstms C S S S S S S S $$ MNZ072-220900- MARSHALL-LYON MN 44.47N 95.82W Elev. 1151 ft 233 PM CDT Fri Aug 21 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 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 59 79 53 80 61 Temp 80 79 69 65 61 59 68 74 77 77 64 57 55 53 65 76 79 77 68 63 62 61 Dewpt 62 61 61 59 57 57 59 56 53 53 54 51 50 49 53 53 54 57 59 58 59 60 RH 54 54 76 81 87 93 73 53 43 43 70 80 83 86 65 45 42 50 73 84 90 97 Wind dir N N NW W NW NW N N N N N W SW N SE SE SE SE SE S S SE Wind spd 10 6 4 5 6 5 9 11 11 8 3 2 1 0 2 5 6 8 8 6 8 9 Clouds CL FW FW CL CL FW CL CL CL FW FW FW FW SC FW SC SC B1 B2 B2 B2 B2 PoP 12hr 5 0 0 0 40 QPF 12hr 0 0 0 0 0.13 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms S S S Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 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 79 65 84 62 82 59 82 61 82 Temp 73 78 67 65 81 81 67 63 78 79 63 59 79 79 64 62 78 79 Dewpt 64 66 66 64 66 63 61 59 60 59 58 57 60 62 60 60 64 65 PWind dir S S W W NW NW N SE S Wind char GN GN GN GN GN LT LT LT GN Avg clouds B2 B1 SC SC SC FW FW FW FW FW FW FW SC SC SC SC SC SC PoP 12hr 40 20 10 5 5 5 5 30 10 Rain shwrs C S S S C S Tstms S S S $$ MNZ081-220900- WINDOM-COTTONWOOD MN 43.87N 95.12W Elev. 1355 ft 233 PM CDT Fri Aug 21 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 78 53 78 59 Temp 80 78 68 64 62 60 70 74 77 76 64 58 55 53 68 75 78 76 66 63 61 59 Dewpt 61 60 61 59 57 57 59 55 54 54 53 51 50 50 53 53 54 56 58 58 58 58 RH 52 54 78 84 84 90 68 51 45 46 67 77 83 89 59 46 43 50 75 84 90 96 Wind dir N N NW W NW NW N N N N N NW NW N S SE S SE SE S S SE Wind spd 10 6 2 3 5 5 9 11 11 6 3 2 1 0 1 2 3 4 4 4 6 8 Clouds CL FW FW FW FW FW CL CL CL CL CL CL FW SC FW SC SC B1 B1 B1 B2 OV PoP 12hr 0 0 0 0 40 QPF 12hr 0 0 0 0 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms S S S Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 62 83 62 81 58 80 60 80 Temp 72 75 66 63 80 80 67 62 78 78 64 59 78 78 65 60 78 78 Dewpt 61 63 64 63 65 64 62 60 59 59 59 57 59 60 61 60 63 64 PWind dir S S W W NW NW NW SE S Wind char GN LT LT LT GN LT LT LT LT Avg clouds B2 B1 B1 SC B1 SC SC FW FW FW FW FW SC SC SC SC B1 SC PoP 12hr 50 20 20 10 5 5 5 30 20 Rain shwrs C S S S C S Tstms S S S $$ MNZ089-220900- WORTHINGTON-NOBLES MN 43.65N 95.58W Elev. 1584 ft 233 PM CDT Fri Aug 21 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 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 60 79 53 78 60 Temp 80 78 67 64 62 60 70 74 78 75 63 58 55 54 67 73 77 74 66 63 61 60 Dewpt 61 60 60 59 57 56 58 56 54 53 54 52 50 50 53 55 56 58 60 59 59 59 RH 52 54 78 84 84 87 66 53 43 46 72 80 83 86 61 53 48 57 81 87 93 96 Wind dir N N N NW NW NW N N N N NE N N NE S S S S S SE S SE Wind spd 9 6 3 3 5 6 10 10 10 8 3 2 2 0 3 4 4 5 5 6 8 10 Clouds CL CL CL FW FW FW CL CL CL FW FW FW FW B1 SC B1 B1 B1 B2 B2 B2 OV PoP 12hr 0 0 0 0 60 QPF 12hr 0 0 0 0 0.27 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C Tstms S S C Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 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 77 62 83 61 81 58 80 60 80 Temp 71 74 65 63 78 79 66 62 77 78 63 59 76 77 64 61 76 77 Dewpt 63 65 65 63 66 65 62 59 60 59 59 57 61 62 62 60 64 66 PWind dir S S W W NW NW N SE S Wind char GN LT LT LT GN LT LT LT GN Avg clouds B2 B1 B1 B1 B1 B1 SC FW FW FW FW FW SC SC FW SC B1 SC PoP 12hr 50 20 20 10 5 5 10 40 20 Rain shwrs C S S S S C S Tstms C S S $$ SDZ040-220900- BROOKINGS-BROOKINGS SD 44.30N 96.80W Elev. 1617 ft 233 PM CDT Fri Aug 21 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 79 52 80 60 Temp 81 80 68 63 60 58 68 75 77 77 64 57 54 53 65 75 79 76 67 63 61 60 Dewpt 60 60 59 58 56 54 58 55 53 53 52 50 48 48 54 55 56 59 60 60 60 60 RH 49 51 73 84 87 86 70 50 43 43 65 77 80 83 68 50 45 56 78 90 97100 Wind dir N N NE NW N N NE N N NE NE E E SE S S S S SE SE SE SE Wind spd 8 5 3 3 5 5 9 9 8 6 4 3 3 3 6 9 9 9 10 9 11 12 Clouds CL CL FW FW FW FW CL CL FW FW SC SC SC B1 SC B1 B1 B1 B1 B2 OV OV PoP 12hr 0 0 0 5 70 QPF 12hr 0 0 0 0 0.46 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L S Tstms S C S S Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 62 83 59 81 56 81 59 81 Temp 74 77 66 63 80 80 64 59 78 79 61 57 78 78 63 59 77 78 Dewpt 65 68 66 63 66 64 60 57 60 59 57 56 61 62 60 59 64 66 PWind dir S S W NW NW N SE SE S Wind char GN LT GN LT GN LT LT LT GN Avg clouds B2 B1 SC SC B1 SC FW FW SC FW FW FW SC SC FW SC B1 SC PoP 12hr 20 20 5 5 5 5 10 30 20 Rain shwrs S S C C S S Tstms S S S S $$ SDZ050-220900- BURKE-GREGORY SD 43.18N 99.29W Elev. 2142 ft 233 PM CDT Fri Aug 21 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 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 63 84 63 80 64 Temp 84 83 73 68 65 63 71 78 82 81 72 68 65 63 67 73 78 79 71 68 66 64 Dewpt 61 62 61 60 59 57 60 59 59 60 59 57 58 59 64 66 66 67 66 65 64 63 RH 46 49 66 76 81 81 68 52 46 49 64 68 78 87 90 79 67 67 84 90 93 97 Wind dir E E E E NE NE NE NE NE E E SE SE SE SE S S SE SE SE S S Wind spd 9 6 6 4 3 4 6 9 8 9 9 9 10 12 17 19 23 21 20 18 18 14 Wind gust 27 31 34 33 32 28 28 25 Clouds FW SC SC SC SC SC FW FW SC SC B1 B1 OV OV B2 B1 B1 SC B1 SC B1 SC PoP 12hr 5 5 40 60 70 QPF 12hr 0 0 0.03 0.05 0.14 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L C C L L L L Tstms C S S S C C C C Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 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 85 66 84 62 83 62 82 62 82 Temp 80 82 69 66 79 80 67 62 78 80 66 62 78 79 66 62 77 80 Dewpt 68 69 67 64 65 65 62 59 61 62 61 59 64 67 64 62 66 67 PWind dir SE SW NW W NW SE S SE S Wind char GN LT LT LT LT LT GN GN GN Avg clouds SC FW FW SC B1 SC FW FW FW FW FW FW SC SC SC SC B1 SC PoP 12hr 5 20 30 20 0 20 20 40 10 Rain shwrs S S C S S S S S C S Tstms S S C S S S S S C S $$ SDZ057-220900- CHAMBERLAIN-BRULE SD 43.77N 99.32W Elev. 1565 ft 233 PM CDT Fri Aug 21 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 84 63 81 64 Temp 85 84 73 68 65 62 72 79 82 82 71 67 65 63 68 75 80 78 71 68 66 64 Dewpt 57 59 59 59 59 57 58 57 57 57 55 54 55 58 62 66 67 67 68 67 66 64 RH 39 43 62 73 81 84 61 47 43 43 57 63 70 84 81 74 65 69 90 97100100 Wind dir E E E E NE NE NE NE NE NE E E SE SE SE SE SE SE SE SE SE SE Wind spd 8 6 5 3 3 5 8 9 8 8 9 10 11 12 14 17 19 19 18 16 14 11 Wind gust 25 27 29 29 25 Clouds SC SC SC FW SC SC FW CL FW SC B1 B1 B2 OV B2 B2 B1 B1 B1 B1 SC B1 PoP 12hr 5 0 50 60 80 QPF 12hr 0 0 0.01 0.03 0.24 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L L C C D D L L Tstms S S S S C C C S Heat index 82 Max heat 85 82 83 83 Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 65 85 62 84 61 84 62 84 Temp 80 82 70 66 81 82 67 62 80 82 66 62 79 80 67 63 78 81 Dewpt 68 68 69 66 64 63 63 60 59 59 61 61 64 65 65 63 66 66 PWind dir SE S NW W NW E SE SE SE Wind char LT LT LT LT LT LT GN GN GN Avg clouds SC FW SC SC B1 B1 FW FW SC FW FW SC SC SC SC SC B1 SC PoP 12hr 5 20 10 20 0 10 20 40 10 Rain shwrs S S S S S C S Tstms S S S S C S $$ SDZ038-220900- HURON-BEADLE SD 44.38N 98.22W Elev. 1282 ft 233 PM CDT Fri Aug 21 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 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 60 83 59 82 63 Temp 84 83 71 66 62 60 71 78 81 80 67 63 60 59 68 77 81 77 69 66 65 63 Dewpt 58 59 59 59 57 56 58 56 53 54 55 53 52 51 56 59 62 65 65 66 65 63 RH 41 44 66 78 84 87 63 47 38 41 65 70 75 75 65 54 53 67 87100100100 Wind dir N N N N N N NE N N N NE E SE SE SE S S SE SE SE SE SE Wind spd 8 5 3 3 5 5 6 8 6 6 5 6 6 8 11 14 14 14 13 12 13 13 Wind gust 25 Clouds FW FW CL FW FW FW FW CL CL FW SC SC B1 OV B2 B1 B2 B1 B2 B2 B2 B2 PoP 12hr 0 0 5 40 70 QPF 12hr 0 0 0 0.01 0.46 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L L L Tstms S C C C S Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 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 84 64 86 61 84 60 84 61 84 Temp 78 80 67 65 81 82 66 61 80 81 64 60 80 80 65 62 79 80 Dewpt 67 69 67 64 64 62 61 58 59 59 59 58 62 64 63 62 65 66 PWind dir S S W NW NW NE SE SE SE Wind char GN LT LT LT LT LT GN LT GN Avg clouds B1 SC SC SC B1 SC FW FW FW FW FW SC SC SC SC SC B1 SC PoP 12hr 5 20 20 5 5 5 10 40 10 Rain shwrs S S S S C S Tstms S S S S $$ SDZ059-220900- MITCHELL-DAVISON SD 43.76N 98.02W Elev. 1312 ft 233 PM CDT Fri Aug 21 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 85 60 82 63 Temp 86 83 72 66 62 60 72 79 83 82 69 64 61 60 69 76 81 78 69 66 65 63 Dewpt 59 61 60 59 58 56 59 57 56 57 55 54 53 53 58 61 65 67 66 66 65 63 RH 40 47 66 78 87 87 64 47 40 43 61 70 75 78 68 60 58 69 90100100100 Wind dir NE N NE N N N NE N N N NE E SE SE SE SE S SE SE SE SE SE Wind spd 8 6 3 3 3 4 6 9 8 6 6 6 8 9 12 14 17 16 14 13 16 14 Clouds CL SC FW CL FW FW CL CL FW FW SC SC B1 B2 B1 B2 B2 B2 B2 B1 B2 B2 PoP 12hr 5 0 20 40 80 QPF 12hr 0 0 0 0.01 0.64 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L L D D Tstms S C C C S Heat index 83 Max heat 87 82 83 83 Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 64 86 61 84 60 84 62 84 Temp 78 81 68 65 81 82 66 61 80 81 65 61 79 81 66 62 78 81 Dewpt 68 71 68 65 67 66 63 59 62 62 61 59 64 67 65 62 67 69 PWind dir S S W W NW E SE SE SE Wind char GN LT LT LT LT LT GN GN GN Avg clouds B1 SC SC SC B1 SC SC FW SC FW FW FW SC SC SC SC B1 SC PoP 12hr 5 20 20 20 5 10 10 40 20 Rain shwrs S S S C C S Tstms S S S S S S $$ SDZ062-220900- SIOUX FALLS-MINNEHAHA SD 43.57N 96.73W Elev. 1424 ft 233 PM CDT Fri Aug 21 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 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 62 84 57 81 63 Temp 84 83 71 66 64 62 73 78 82 81 68 61 58 57 69 76 80 78 70 66 64 63 Dewpt 61 58 59 58 57 56 58 55 53 52 53 52 51 52 55 56 59 61 63 63 63 62 RH 46 43 66 75 78 81 59 45 37 37 59 72 77 83 61 50 49 56 78 90 97 97 Wind dir N N NE N N N NE N N NE NE E E E SE S S S SE SE SE SE Wind spd 8 6 3 1 3 5 6 8 8 6 4 3 3 2 5 8 9 10 9 9 10 11 Clouds CL FW FW FW CL FW CL CL FW CL FW SC SC B1 B1 B1 B2 B1 B2 B2 OV OV PoP 12hr 0 0 5 10 70 QPF 12hr 0 0 0 0 0.48 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C Tstms S S C C C Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 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 81 64 85 62 83 60 83 62 82 Temp 73 77 67 64 80 81 67 62 79 80 65 60 78 80 66 62 77 80 Dewpt 66 69 67 64 68 66 63 60 61 61 59 58 63 64 63 62 66 68 PWind dir S S W W NW N SE SE SE Wind char GN LT LT LT LT LT LT LT GN Avg clouds B2 B1 SC SC B2 B1 FW FW SC FW FW FW B1 SC FW SC B1 SC PoP 12hr 30 20 10 10 5 10 10 40 20 Rain shwrs C S S S S C C S Tstms C S S S S S S S $$ SDZ070-220900- VERMILLION-CLAY SD 42.95N 96.92W Elev. 1132 ft 233 PM CDT Fri Aug 21 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 83 59 78 63 Temp 84 83 72 67 64 62 71 77 81 80 69 64 60 60 67 72 76 77 69 66 64 63 Dewpt 66 70 65 63 61 60 64 65 65 67 63 60 57 57 62 65 68 68 67 66 64 63 RH 55 65 79 87 90 93 79 67 58 65 81 87 90 90 84 79 76 74 93100100100 Wind dir N NE NE NE NW N N N N N E E SE SE SE SE S SE SE SE SE SE Wind spd 5 4 4 2 2 2 4 4 4 3 4 4 4 4 6 10 10 10 10 10 11 12 Clouds CL FW FW SC FW FW CL CL FW FW SC SC SC B1 B1 B1 B2 B2 B2 B2 B2 B2 PoP 12hr 5 5 10 10 80 QPF 12hr 0 0 0 0 0.48 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C D D S Tstms S C C C S Heat index 86 87 83 82 Max heat 88 83 84 Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 64 83 62 82 61 81 62 81 Temp 73 77 68 65 79 80 67 63 78 80 66 61 77 78 67 63 76 78 Dewpt 70 73 68 65 74 73 66 63 69 70 63 61 70 72 66 63 72 73 PWind dir S SE W W NW NW S SE SE Wind char GN LT LT LT LT LT LT LT GN Avg clouds B1 B1 SC SC B1 SC SC SC SC FW FW SC SC SC SC B1 B1 SC PoP 12hr 20 20 20 30 20 10 10 40 20 Rain shwrs S S S C S S C C S Tstms S S S C S S S S $$ SDZ069-220900- YANKTON-YANKTON SD 42.95N 97.39W Elev. 1207 ft 233 PM CDT Fri Aug 21 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 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 62 84 60 79 63 Temp 85 83 72 68 64 62 72 79 82 81 70 65 61 60 67 73 77 77 69 67 64 63 Dewpt 64 66 63 61 60 58 62 62 62 63 60 58 57 56 61 64 67 68 68 66 64 63 RH 50 57 73 78 87 87 71 56 51 54 71 78 87 87 81 73 71 74 97 97100100 Wind dir NE NE NE NE N N N N N NE NE E E SE SE SE S SE SE SE SE SE Wind spd 4 4 4 2 2 3 4 5 4 5 4 5 6 5 9 12 12 11 11 10 12 12 Clouds CL FW SC SC FW FW CL FW FW FW SC SC SC B2 B1 B2 B2 B1 B2 B2 OV B2 PoP 12hr 5 5 20 30 80 QPF 12hr 0 0 0 0.01 0.49 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S L L D D Tstms S S C C C C Heat index 86 Max heat 89 83 85 Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 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 82 65 85 62 84 62 82 62 82 Temp 75 79 69 66 80 81 68 63 79 80 66 62 78 79 67 63 76 79 Dewpt 70 73 69 65 72 71 66 62 66 66 63 60 68 70 66 63 71 72 PWind dir S SE W W NW N S SE SE Wind char GN LT LT LT LT LT LT LT GN Avg clouds B1 SC SC SC B1 SC SC FW SC FW FW SC SC SC SC B1 B1 SC PoP 12hr 10 10 20 30 5 10 10 40 20 Rain shwrs S S C S C C S Tstms S S C S S S S $$