Point Forecast Matrices
Issued by NWS Sioux Falls, SD
Issued by NWS Sioux Falls, SD
363 FOUS53 KFSD 202343 PFMFSD Point Forecast Matrices National Weather Service Sioux Falls SD 643 PM CDT Thu Aug 20 2026 IAZ012-210900- SIOUX CENTER-SIOUX IA 43.08N 96.18W Elev. 1446 ft 643 PM CDT Thu Aug 20 2026 Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun 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 84 60 80 55 Temp 78 69 67 63 61 73 81 83 81 69 66 62 60 71 77 80 77 65 60 57 55 Dewpt 70 69 67 63 61 68 66 66 68 64 61 59 58 64 63 61 61 56 54 52 52 RH 76100100100100 84 60 57 65 84 84 90 93 79 62 52 58 73 81 83 90 Wind dir S SW SW W NW N N NW NE NE NE N N NE N N NE E E E E Wind spd 9 6 5 3 2 3 4 3 2 3 2 2 3 5 6 5 4 3 2 2 2 Clouds SC SC FW SC SC FW FW FW FW SC FW FW SC CL CL CL FW FW SC SC B1 PoP 12hr 50 5 10 0 0 QPF 12hr 0.02 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Obvis PF Heat index 83 85 84 Max heat 84 83 87 81 Date 08/23 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 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 59 78 62 82 61 80 58 79 Temp 75 73 63 61 75 76 66 63 80 78 66 61 78 77 64 59 77 76 Dewpt 61 65 61 59 68 70 65 63 71 70 63 58 64 65 60 58 66 68 PWind dir S SE S S W NW NW NE S Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC B1 B1 B1 B2 SC SC B1 B1 SC SC SC SC SC FW SC B1 SC PoP 12hr 5 50 20 10 20 10 0 10 20 Rain shwrs C C S S S S S S S S Tstms S C S S S S S S $$ IAZ031-210900- SIOUX CITY-WOODBURY IA 42.40N 96.38W Elev. 1210 ft 643 PM CDT Thu Aug 20 2026 Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 85 62 80 57 Temp 79 72 68 65 63 74 82 84 82 72 68 64 62 71 78 80 78 68 63 59 57 Dewpt 71 69 66 64 63 69 70 69 71 68 64 63 61 66 66 65 66 62 58 56 55 RH 77 90 93 97100 84 67 61 69 87 87 97 97 84 67 60 67 81 84 90 93 Wind dir S S S S W NW N N NE E NE NE N N N N NE E E E SE Wind spd 9 5 5 4 3 2 3 3 2 2 2 1 2 3 5 4 3 2 2 2 1 Clouds SC FW FW SC SC SC FW FW FW FW SC SC SC FW CL CL FW FW SC FW B1 PoP 12hr 20 20 30 5 0 QPF 12hr 0.04 0 0.04 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C Tstms S S Heat index 81 86 88 87 82 Max heat 86 87 91 83 83 Date 08/23 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 60 78 63 82 62 80 60 79 Temp 75 74 64 62 76 77 68 64 80 80 68 62 77 78 65 60 77 77 Dewpt 63 66 61 60 68 70 65 64 72 71 64 60 66 68 62 60 67 69 PWind dir SE SE SE SE SW NW NW NE SE Wind char LT LT GN LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B2 SC SC B1 B2 SC SC SC SC SC FW SC B1 SC PoP 12hr 10 60 20 20 20 20 5 20 20 Rain shwrs C L S S S S S S S S S S Tstms S C S S S S S S S S $$ IAZ014-210900- SPENCER-CLAY IA 43.15N 95.18W Elev. 1325 ft 643 PM CDT Thu Aug 20 2026 Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun 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 79 53 Temp 78 69 66 64 62 73 81 83 79 68 64 61 60 71 76 79 75 63 58 55 54 Dewpt 67 67 65 63 62 66 65 65 66 61 59 57 56 63 61 60 60 55 52 50 50 RH 69 93 97 97100 79 58 55 64 78 84 87 87 76 60 52 60 75 80 83 86 Wind dir SW S SW W W NW N N N N N N NW N N N N NE NE NE E Wind spd 10 6 6 5 5 5 8 8 4 4 3 3 4 8 10 9 4 4 3 2 1 Clouds SC B1 FW FW B1 FW FW FW FW SC SC FW FW CL CL CL CL FW FW SC B1 PoP 12hr 30 5 5 0 0 QPF 12hr 0.07 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Tstms C Obvis PF Date 08/23 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 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 57 78 61 83 61 80 57 80 Temp 75 74 61 59 75 75 65 63 80 79 66 61 78 77 62 58 77 76 Dewpt 58 61 57 56 64 66 62 61 69 68 61 57 63 63 58 56 63 65 PWind dir SE SE S S W NW NW N SE Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC SC SC B1 B2 SC SC B1 B1 B1 SC FW SC FW FW FW SC SC PoP 12hr 5 40 20 20 20 10 5 10 10 Rain shwrs C S S S S S Tstms S S S S S $$ IAZ022-210900- STORM LAKE-BUENA VISTA 42.60N 95.23W Elev. 1427 ft 643 PM CDT Thu Aug 20 2026 Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 84 61 79 56 Temp 77 68 67 65 63 73 81 82 80 69 65 63 61 70 76 78 75 64 60 58 56 Dewpt 69 67 65 65 63 70 68 67 70 65 61 61 59 65 64 63 63 58 55 54 53 RH 76 97 93100100 90 65 61 72 87 87 93 93 84 66 60 66 81 84 86 90 Wind dir SW SW SW SW W NW N NW N NE N N NW N N N N NE NE NE E Wind spd 9 5 6 6 6 5 4 4 2 3 2 2 3 5 6 6 3 3 2 2 2 Clouds FW SC SC FW FW FW FW FW FW FW FW SC SC CL CL CL CL FW SC SC SC PoP 12hr 20 5 10 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Heat index 84 85 83 Max heat 83 84 87 Date 08/23 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 59 77 62 82 62 80 60 79 Temp 74 73 61 60 74 74 64 62 79 78 66 62 77 76 63 60 76 75 Dewpt 61 64 59 58 66 69 63 62 71 71 64 60 65 67 61 59 66 68 PWind dir SE SE S S SW W NW N SE Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC SC B1 B1 B2 SC SC B1 B1 SC SC SC SC FW FW SC SC SC PoP 12hr 5 40 30 20 20 10 5 20 20 Rain shwrs C C S S S S S S S Tstms C C S S S S $$ MNZ072-210900- MARSHALL-LYON MN 44.47N 95.82W Elev. 1151 ft 643 PM CDT Thu Aug 20 2026 Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun 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 60 80 54 Temp 80 71 67 64 62 73 79 81 80 70 65 62 60 70 77 79 78 66 59 56 54 Dewpt 67 66 63 60 56 61 60 59 59 61 59 57 57 58 54 52 51 52 50 50 49 RH 65 84 87 87 81 66 52 47 49 73 81 84 90 66 45 39 39 61 72 80 83 Wind dir SW SW W W NW NW N N N NW W NW NW N N N N N W SW SW Wind spd 8 8 6 6 6 9 11 11 8 3 4 5 6 9 12 12 9 3 2 1 1 Clouds B1 SC FW FW FW FW SC FW SC FW FW FW FW FW CL CL CL FW FW FW SC PoP 12hr 20 0 5 0 0 QPF 12hr 0.02 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Date 08/23 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 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 61 81 65 84 62 81 59 81 Temp 77 77 63 62 78 79 68 66 82 81 67 62 78 79 64 60 78 79 Dewpt 52 55 57 59 62 64 65 64 64 62 59 57 57 57 57 56 58 59 PWind dir S SE S S W NW NW NW SW Wind char LT LT GN GN GN LT GN LT LT Avg clouds SC SC SC B1 B2 SC SC SC SC SC FW FW SC FW FW FW SC FW PoP 12hr 5 30 20 20 20 5 5 5 20 Rain shwrs S C S S S S S Tstms S S $$ MNZ081-210900- WINDOM-COTTONWOOD MN 43.87N 95.12W Elev. 1355 ft 643 PM CDT Thu Aug 20 2026 Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 82 59 79 53 Temp 78 70 67 64 62 73 79 81 79 69 65 61 60 70 76 79 76 65 59 55 54 Dewpt 65 67 66 63 60 61 59 59 59 60 59 57 57 58 54 52 52 52 50 49 50 RH 64 90 97 97 93 66 50 47 50 73 81 87 90 66 46 39 43 63 72 80 86 Wind dir SW SW SW W NW NW N N N N NW NW NW N N N N N N W N Wind spd 11 9 6 5 5 9 10 10 6 3 2 4 5 9 11 11 6 4 2 1 0 Clouds B1 B1 FW FW SC FW SC FW FW SC FW FW SC FW CL CL CL FW FW FW SC PoP 12hr 30 0 0 0 0 QPF 12hr 0.12 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Date 08/23 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 58 78 62 83 61 80 58 79 Temp 75 76 62 60 76 76 67 64 80 80 67 62 77 78 63 58 77 77 Dewpt 52 55 57 57 59 62 63 62 64 63 61 57 57 57 57 56 57 59 PWind dir SE SE S S W NW NW NW SW Wind char LT LT GN GN GN LT GN LT LT Avg clouds SC SC SC B1 B2 SC SC SC B1 SC SC FW SC FW FW FW SC FW PoP 12hr 5 30 20 20 20 10 5 5 20 Rain shwrs S C S S S S Tstms S $$ MNZ089-210900- WORTHINGTON-NOBLES MN 43.65N 95.58W Elev. 1584 ft 643 PM CDT Thu Aug 20 2026 Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun 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 82 60 78 53 Temp 76 69 66 64 62 73 79 82 79 68 64 62 60 70 75 78 76 63 58 56 54 Dewpt 66 68 66 64 61 61 60 59 60 60 59 57 56 59 56 54 54 52 51 50 50 RH 71 97100100 97 66 52 46 52 76 84 84 87 68 52 43 46 67 77 80 86 Wind dir SW SW SW W NW N N N N N N NW N N N N N NE NE E SE Wind spd 11 9 8 5 5 6 9 8 6 4 3 4 6 9 10 10 8 4 2 2 1 Clouds B1 B1 FW FW SC FW FW FW FW SC SC FW SC FW CL CL CL FW FW SC SC PoP 12hr 40 0 0 0 0 QPF 12hr 0.05 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Date 08/23 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 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 58 78 62 82 61 80 58 79 Temp 74 74 62 60 75 76 66 63 80 79 66 61 77 77 63 59 76 76 Dewpt 53 57 58 58 62 64 64 63 65 63 61 57 57 57 57 56 58 60 PWind dir S SE S S W NW NW N S Wind char LT LT GN GN GN LT GN LT LT Avg clouds SC SC SC B1 B2 SC SC B1 B1 SC SC FW SC SC FW FW SC SC PoP 12hr 5 40 20 20 20 10 5 10 20 Rain shwrs S C S S S S S Tstms S S S $$ SDZ040-210900- BROOKINGS-BROOKINGS SD 44.30N 96.80W Elev. 1617 ft 643 PM CDT Thu Aug 20 2026 Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 83 57 79 52 Temp 79 70 64 60 58 73 80 82 80 69 63 60 57 71 77 79 77 64 57 54 53 Dewpt 66 63 61 58 55 60 58 58 59 60 58 56 54 57 54 52 51 52 49 48 48 RH 64 78 90 93 90 64 47 44 49 73 84 87 90 61 45 39 40 65 75 80 83 Wind dir W W W NW N N N N N NE N N N NE N N N NE E SE SE Wind spd 8 3 3 3 3 5 10 9 8 3 3 4 5 9 10 9 8 4 2 3 3 Clouds FW SC SC FW SC FW FW FW SC SC FW SC SC FW CL CL FW FW SC SC B1 PoP 12hr 5 0 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 08/23 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 59 81 62 83 57 81 57 81 Temp 77 76 63 61 78 79 66 63 81 81 64 58 78 78 62 57 78 78 Dewpt 53 57 58 58 63 65 65 62 63 61 58 55 57 56 56 54 58 59 PWind dir S SE S S W NW NW NE S Wind char LT GN GN GN GN LT GN LT LT Avg clouds SC SC SC B1 B2 FW SC SC B1 SC FW FW SC FW FW FW SC FW PoP 12hr 10 50 20 20 20 5 0 20 20 Rain shwrs C C S S S S S Tstms S C S S $$ SDZ050-210900- BURKE-GREGORY SD 43.18N 99.29W Elev. 2142 ft 643 PM CDT Thu Aug 20 2026 Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun 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 86 61 82 61 Temp 84 73 69 65 63 74 81 85 83 72 68 63 61 70 78 82 80 70 66 63 61 Dewpt 64 60 58 57 57 61 61 62 64 64 62 60 59 60 59 58 58 58 56 56 57 RH 51 64 68 75 81 64 51 46 53 76 81 90 93 71 52 44 47 66 70 78 87 Wind dir N N SW SW NW E E SE E E NE NE NE E E E E E SE SE SE Wind spd 4 3 4 4 3 5 10 10 9 8 4 4 5 9 10 9 8 8 9 10 12 Clouds FW SC FW FW FW FW FW FW FW SC SC SC FW FW FW FW FW SC B1 B2 OV PoP 12hr 0 10 20 0 10 QPF 12hr 0 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Tstms S Date 08/23 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 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 63 85 65 83 61 81 61 81 Temp 73 78 67 63 80 83 69 66 79 80 66 61 76 79 65 61 76 78 Dewpt 65 66 64 62 67 69 67 63 63 63 59 57 60 62 61 59 63 65 PWind dir S S S S N NW N SE S Wind char BZ BZ GN GN GN LT LT LT GN Avg clouds B2 B1 SC B1 SC FW SC SC SC SC SC FW SC SC FW SC SC SC PoP 12hr 40 60 0 20 20 20 10 30 30 Rain shwrs C S C L S S S S C C S Tstms S S C C S S S S S S S $$ SDZ057-210900- CHAMBERLAIN-BRULE SD 43.77N 99.32W Elev. 1565 ft 643 PM CDT Thu Aug 20 2026 Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 86 61 82 61 Temp 84 73 68 64 61 73 82 85 84 72 68 63 61 70 79 82 80 69 65 63 62 Dewpt 59 59 58 58 57 59 60 61 62 61 61 60 58 59 58 56 57 56 54 54 56 RH 43 62 70 81 87 62 47 45 48 68 78 90 90 68 49 41 45 63 68 72 81 Wind dir N NE S W NE E E E NE E NE NE NE E E E E E SE SE SE Wind spd 4 3 2 2 3 5 10 10 9 6 4 4 5 8 9 8 8 8 9 11 11 Clouds SC SC FW FW FW FW FW FW FW SC SC SC SC FW FW FW FW SC SC B1 OV PoP 12hr 0 5 5 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Date 08/23 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 63 85 64 84 61 82 60 82 Temp 76 79 67 64 80 83 70 66 80 81 66 61 78 80 66 61 77 79 Dewpt 65 66 65 64 69 69 69 64 63 62 60 58 59 61 61 60 63 64 PWind dir SE SE SE SE NW N N SE SE Wind char BZ BZ GN LT GN LT LT LT GN Avg clouds B2 B1 SC B1 SC FW SC SC B1 SC FW FW SC FW FW SC SC SC PoP 12hr 50 60 0 10 10 10 5 20 30 Rain shwrs C C L C S C S Tstms S S C C S S S $$ SDZ038-210900- HURON-BEADLE SD 44.38N 98.22W Elev. 1282 ft 643 PM CDT Thu Aug 20 2026 Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun 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 86 60 82 58 Temp 84 72 66 62 60 73 82 85 83 70 66 62 60 71 79 82 80 66 62 60 58 Dewpt 63 61 59 56 55 59 58 58 59 60 60 58 56 58 55 53 54 54 53 51 51 RH 49 68 78 81 84 62 44 40 44 71 81 87 87 63 44 37 41 65 72 72 77 Wind dir NW NW NW N N N N N NE NE NE N N NE NE N NE E E SE SE Wind spd 4 4 3 4 4 5 8 6 6 4 3 5 5 8 9 6 6 5 6 6 8 Clouds FW FW SC FW SC FW FW FW FW FW FW FW SC FW CL FW FW FW SC B1 B2 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 08/23 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 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 62 84 63 85 58 83 59 82 Temp 77 78 65 63 79 82 68 64 81 81 66 59 79 80 64 60 78 79 Dewpt 59 63 63 62 66 69 67 63 63 61 58 56 58 58 58 57 61 62 PWind dir SE SE S S NW NW NW E SE Wind char GN GN GN LT GN LT LT LT GN Avg clouds B2 B1 B1 B1 B1 FW SC SC SC SC FW FW SC FW FW SC SC SC PoP 12hr 30 60 20 20 10 5 0 20 20 Rain shwrs C L L S S S S S Tstms S C C S S S $$ SDZ059-210900- MITCHELL-DAVISON SD 43.76N 98.02W Elev. 1312 ft 643 PM CDT Thu Aug 20 2026 Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 87 60 83 58 Temp 84 72 67 62 60 73 82 86 83 71 66 62 60 72 79 83 81 68 63 60 58 Dewpt 67 65 62 59 56 62 61 61 63 62 61 60 57 60 58 56 57 56 53 52 53 RH 57 79 84 90 87 68 49 43 51 73 84 93 90 66 49 40 44 65 70 75 83 Wind dir NW NW W W N NE NE NE NE NE NE N N NE NE N NE NE E SE SE Wind spd 4 4 4 3 4 5 6 6 6 5 3 4 5 8 9 8 6 5 6 8 8 Clouds FW FW FW FW SC FW FW FW FW SC SC SC FW CL CL FW FW FW SC SC B2 PoP 12hr 5 0 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 87 Max heat 93 85 83 87 83 81 82 Date 08/23 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 62 84 64 85 59 83 59 83 Temp 76 78 65 63 78 82 68 64 81 82 66 60 78 80 64 60 78 80 Dewpt 60 65 64 62 67 70 68 64 66 66 60 57 60 62 61 59 63 65 PWind dir SE SE S S NW NW NW E SE Wind char GN BZ GN GN GN LT LT LT GN Avg clouds B2 B1 B1 B1 B2 FW SC SC B1 SC SC FW SC FW FW SC SC SC PoP 12hr 30 70 20 20 10 10 5 20 20 Rain shwrs C C L S S S S S Tstms S C C S S S $$ SDZ062-210900- SIOUX FALLS-MINNEHAHA SD 43.57N 96.73W Elev. 1424 ft 643 PM CDT Thu Aug 20 2026 Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun 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 87 61 82 56 Temp 81 72 68 64 62 75 83 86 84 72 67 63 61 73 79 82 80 68 62 58 56 Dewpt 67 67 66 63 60 62 58 59 59 60 59 58 57 59 56 54 52 52 51 51 51 RH 63 84 93 97 93 64 43 40 43 66 75 84 87 62 45 38 38 57 67 77 83 Wind dir SW SW SW NW N N N N N NE NE N N NE N N N NE E E SE Wind spd 9 5 3 3 3 4 6 6 6 4 2 3 5 8 9 8 8 4 3 2 2 Clouds SC FW FW FW SC FW FW FW FW SC SC SC SC CL CL CL FW FW SC SC B1 PoP 12hr 80 5 5 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D Tstms C Obvis PF Heat index 83 Max heat 86 83 84 87 82 80 82 Date 08/23 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 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 61 81 63 84 61 82 59 82 Temp 77 77 65 62 77 79 68 64 82 81 67 61 79 80 64 60 78 79 Dewpt 55 61 61 61 65 67 66 64 66 65 61 58 59 59 59 58 61 63 PWind dir S SE S S W NW N NE SE Wind char LT GN GN LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B2 SC SC SC B1 SC FW FW SC FW FW FW B1 FW PoP 12hr 10 60 20 20 20 20 0 20 20 Rain shwrs C L S S S S S S S S Tstms S C S S S S S S $$ SDZ070-210900- VERMILLION-CLAY SD 42.95N 96.92W Elev. 1132 ft 643 PM CDT Thu Aug 20 2026 Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 86 62 82 57 Temp 81 72 69 65 63 75 82 85 83 72 68 64 62 72 79 82 80 68 63 59 58 Dewpt 71 70 68 65 63 68 68 68 71 68 65 63 61 65 64 64 64 61 58 56 56 RH 72 93 97100100 79 63 57 67 87 90 97 97 79 60 55 58 78 84 90 93 Wind dir S S SW W NW N N N E N NE NE N NE NE N NE E E SE SE Wind spd 9 6 5 5 4 3 4 3 3 3 3 2 3 4 5 5 4 4 3 4 4 Clouds SC FW FW SC SC SC FW FW FW FW FW SC FW CL CL FW FW FW SC SC B1 PoP 12hr 60 10 20 0 0 QPF 12hr 0.02 0 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Heat index 84 85 88 88 Max heat 89 87 90 83 84 Date 08/23 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 61 80 63 83 62 81 60 80 Temp 74 75 65 62 76 78 68 65 81 80 67 62 78 79 65 60 77 78 Dewpt 64 68 64 62 69 72 68 65 71 71 64 60 65 68 63 60 67 70 PWind dir SE SE SE S W NW NW SE SE Wind char GN GN GN LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B2 SC SC SC B1 SC SC SC SC SC FW SC SC SC PoP 12hr 20 60 20 20 20 20 5 20 20 Rain shwrs S C L S S S S S S S S S Tstms C C S S S S S S S S $$ SDZ069-210900- YANKTON-YANKTON SD 42.95N 97.39W Elev. 1207 ft 643 PM CDT Thu Aug 20 2026 Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun 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 86 62 83 58 Temp 81 72 69 65 63 73 82 85 83 72 68 64 62 71 79 83 80 68 64 60 58 Dewpt 71 71 67 64 62 67 66 66 69 67 63 61 60 63 63 61 62 59 57 55 55 RH 72 97 93 97 97 81 58 53 63 84 84 90 93 76 58 47 54 73 78 84 90 Wind dir S S SW W NW N NE NE NE N NE NE N NE NE N NE E E E SE Wind spd 9 5 5 5 4 3 4 4 4 4 3 3 3 5 6 6 4 4 4 5 5 Clouds SC FW FW FW SC SC FW FW FW FW SC FW SC FW CL FW FW SC SC B1 B2 PoP 12hr 80 5 20 0 0 QPF 12hr 0.01 0 0.02 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D S Tstms C S Heat index 85 84 88 87 Max heat 87 85 85 90 85 81 84 Date 08/23 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 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 81 64 84 61 82 60 81 Temp 75 75 66 62 77 79 68 65 81 80 67 62 79 79 66 61 77 78 Dewpt 64 67 63 62 69 72 68 65 70 70 63 59 63 66 62 60 66 69 PWind dir SE SE S S W NW NW E SE Wind char GN GN GN LT LT LT LT LT LT Avg clouds B2 B1 B1 B1 B2 FW FW SC B1 SC SC SC SC SC FW SC B1 SC PoP 12hr 20 70 20 20 20 20 5 20 20 Rain shwrs S C L S S S S S S S S Tstms C C S S S S S S S $$