Point Forecast Matrices
Issued by NWS Sioux Falls, SD
Issued by NWS Sioux Falls, SD
678 FOUS53 KFSD 211333 PFMFSD Point Forecast Matrices National Weather Service Sioux Falls SD 833 AM CDT Fri Aug 21 2026 IAZ012-212100- SIOUX CENTER-SIOUX IA 43.08N 96.18W Elev. 1446 ft 833 AM CDT Fri Aug 21 2026 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 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 84 59 80 54 78 Temp 72 81 83 81 69 65 61 60 72 78 79 78 66 61 57 55 69 75 77 74 Dewpt 68 66 65 67 63 60 58 57 63 63 62 62 57 55 53 52 59 62 65 66 RH 87 60 55 63 81 84 90 90 73 60 56 58 73 81 86 90 70 64 67 76 Wind dir N N N N NE NE N N NE N N NE E E E SE SE S S S Wind spd 4 5 5 3 3 2 1 2 4 4 4 3 3 3 2 2 3 5 5 5 Clouds SC FW FW FW FW FW FW FW FW FW CL CL SC SC B1 B1 SC B1 B1 B1 PoP 12hr 0 5 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Heat index 83 83 Max heat 83 86 82 Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 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 77 61 81 60 78 56 79 Temp 64 60 74 74 66 63 79 78 66 60 77 75 63 57 77 76 Dewpt 62 60 69 71 66 63 71 71 64 60 66 66 60 57 67 68 PWind dir SE SE S SW W NW N W Wind char LT GN LT LT LT LT LT LT Avg clouds B2 B2 B1 SC SC SC B1 SC SC FW SC FW FW FW SC SC PoP 12hr 70 40 10 20 20 5 5 10 Rain shwrs C L C S S Tstms S C S S $$ IAZ031-212100- SIOUX CITY-WOODBURY IA 42.40N 96.38W Elev. 1210 ft 833 AM CDT Fri Aug 21 2026 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 60 81 57 77 Temp 74 82 84 82 72 67 63 61 72 79 81 79 69 64 59 58 68 75 77 75 Dewpt 69 69 68 70 66 63 61 60 65 66 65 66 63 59 56 55 62 65 66 67 RH 84 65 59 67 81 87 93 97 79 64 58 64 81 84 90 90 81 71 69 76 Wind dir NW N NW NW NE NE N NW N N N NE E E E SE SE S S S Wind spd 3 4 3 3 2 2 1 2 3 4 4 3 2 3 2 2 3 6 6 6 Clouds SC SC FW FW FW FW FW SC FW FW FW FW FW SC SC B1 B1 B2 B1 B1 PoP 12hr 5 10 5 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Heat index 85 87 86 83 Max heat 86 90 85 82 84 Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 78 62 82 61 80 58 79 Temp 65 61 75 77 67 63 79 79 67 61 77 78 64 59 77 77 Dewpt 63 61 69 71 66 63 72 72 65 61 68 69 62 59 68 70 PWind dir SE SE SE SW NW NW NW W Wind char GN GN LT LT LT LT LT LT Avg clouds B1 B2 B1 SC SC SC B2 SC SC SC SC FW FW FW B1 SC PoP 12hr 60 40 10 20 20 5 10 10 Rain shwrs S L C S S S Tstms S C S S S S $$ IAZ014-212100- SPENCER-CLAY IA 43.15N 95.18W Elev. 1325 ft 833 AM CDT Fri Aug 21 2026 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 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 83 58 79 52 78 Temp 73 80 83 79 68 64 60 60 71 77 78 76 64 58 54 53 69 75 78 74 Dewpt 67 64 64 65 61 58 56 56 62 61 60 59 55 52 50 50 57 57 59 61 RH 81 58 53 62 78 81 87 87 73 58 54 56 73 80 86 89 66 54 52 64 Wind dir NW N N N N N N N N N N N NE N NE E SE S S SE Wind spd 6 9 9 4 3 2 3 4 6 9 9 5 4 2 1 1 1 3 4 4 Clouds SC FW FW FW FW FW FW FW CL CL CL CL FW FW SC B1 SC SC B1 B1 PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Heat index 82 Max heat 82 84 Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 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 57 77 59 82 60 80 56 80 Temp 62 58 74 73 64 61 80 78 66 60 78 76 62 57 77 76 Dewpt 58 58 65 66 63 61 69 68 62 59 63 63 58 56 63 65 PWind dir SE SE S SW W NW NW NW Wind char LT GN LT LT LT LT LT LT Avg clouds B1 OV B2 SC SC SC B1 SC SC FW SC FW FW FW SC SC PoP 12hr 60 50 10 20 20 5 5 5 Rain shwrs S L C S S Tstms C C S S $$ IAZ022-212100- STORM LAKE-BUENA VISTA 42.60N 95.23W Elev. 1427 ft 833 AM CDT Fri Aug 21 2026 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 60 79 56 77 Temp 73 81 82 80 68 65 62 60 71 77 79 76 64 60 58 56 68 75 77 74 Dewpt 70 68 66 68 64 61 60 58 65 65 63 63 59 56 55 53 60 61 63 64 RH 90 65 58 67 87 87 93 93 81 67 58 64 84 87 90 90 76 62 62 71 Wind dir NW N N N NE NE N N N N N NE NE NE E E SE S S SE Wind spd 5 6 6 2 3 2 2 3 4 5 6 3 3 2 1 1 1 2 2 3 Clouds SC FW FW FW FW FW FW FW FW CL CL CL FW SC SC B1 SC SC B1 B1 PoP 12hr 5 5 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Heat index 84 84 83 Max heat 84 86 Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 76 60 81 61 80 58 79 Temp 63 60 73 73 64 62 78 77 66 61 77 76 63 58 77 76 Dewpt 60 59 67 68 64 62 71 71 64 61 66 67 60 58 66 68 PWind dir SE SE SE SW W NW NW NW Wind char LT GN LT LT LT LT LT LT Avg clouds B1 B2 B2 SC SC B1 B1 SC SC SC SC FW FW FW SC FW PoP 12hr 60 50 10 30 20 5 10 10 Rain shwrs C L C C S S Tstms S C C C S S $$ MNZ072-212100- MARSHALL-LYON MN 44.47N 95.82W Elev. 1151 ft 833 AM CDT Fri Aug 21 2026 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 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 82 59 80 53 81 Temp 72 78 80 80 70 65 62 60 70 77 78 78 65 59 56 54 70 78 80 78 Dewpt 61 61 60 60 62 59 58 57 59 55 52 51 53 51 50 50 53 52 54 55 RH 68 56 51 51 76 81 87 90 68 47 40 39 65 75 80 86 55 40 41 45 Wind dir NW N N N NW W NW NW N N N N N NW S S S SE SE SE Wind spd 9 12 11 8 4 4 5 5 8 11 11 8 3 1 1 0 3 5 5 8 Clouds FW FW FW FW FW FW FW FW CL CL CL CL FW SC SC B1 SC SC SC B1 PoP 12hr 0 10 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 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 80 63 84 62 81 58 81 Temp 64 61 77 78 67 65 82 81 67 62 78 79 63 58 78 79 Dewpt 59 59 63 64 65 64 64 63 61 58 58 58 57 56 59 59 PWind dir SE S S W W NW NW N Wind char GN GN GN GN GN GN LT LT Avg clouds B2 B2 B1 SC SC SC SC SC SC FW FW FW FW FW SC SC PoP 12hr 40 20 20 10 10 0 5 10 Rain shwrs S C S S Tstms S S $$ MNZ081-212100- WINDOM-COTTONWOOD MN 43.87N 95.12W Elev. 1355 ft 833 AM CDT Fri Aug 21 2026 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 58 79 52 79 Temp 72 78 81 79 69 64 61 59 71 76 79 76 65 59 54 53 70 76 79 76 Dewpt 61 60 59 58 60 59 57 57 58 55 53 52 52 51 50 50 53 52 53 54 RH 68 54 47 49 73 84 87 93 63 48 41 43 63 75 86 89 55 43 41 46 Wind dir NW N N N NW NW NW N N N N N N N NE N S S S SE Wind spd 9 11 10 6 3 2 4 5 9 10 10 6 3 1 0 0 1 3 4 4 Clouds FW SC FW FW SC FW FW FW CL CL CL CL CL FW SC B1 SC SC SC B1 PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 77 61 82 61 80 56 80 Temp 63 59 74 75 66 63 80 80 67 61 77 78 63 57 77 78 Dewpt 58 58 60 61 64 62 64 62 62 58 57 57 58 56 58 58 PWind dir SE S S SW W NW NW NW Wind char LT GN LT GN LT GN LT LT Avg clouds B1 B2 B2 SC SC SC B1 SC SC FW FW FW FW FW SC SC PoP 12hr 40 40 10 10 20 0 5 5 Rain shwrs C C S Tstms S S S $$ MNZ089-212100- WORTHINGTON-NOBLES MN 43.65N 95.58W Elev. 1584 ft 833 AM CDT Fri Aug 21 2026 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 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 82 59 79 53 78 Temp 73 79 81 79 68 64 61 60 71 76 78 76 64 59 55 54 69 75 78 75 Dewpt 61 60 59 59 60 59 57 56 58 56 53 53 52 52 50 50 53 53 55 57 RH 66 52 47 50 76 84 87 87 63 50 42 45 65 78 83 86 57 46 45 54 Wind dir N N N N N NW NW N N N N N NE NE E N S S S S Wind spd 8 10 9 6 3 3 4 6 9 9 9 8 4 2 1 0 3 4 5 6 Clouds FW FW FW FW FW FW FW FW CL CL CL CL FW SC SC B1 SC SC B1 B1 PoP 12hr 0 5 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 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 58 77 61 81 60 79 57 79 Temp 63 59 74 74 65 62 79 78 66 61 77 76 62 57 76 76 Dewpt 60 59 62 64 65 62 65 63 62 58 59 59 58 56 59 61 PWind dir SE SE S W W NW NW NW Wind char LT GN LT GN LT GN LT LT Avg clouds B2 B2 B2 SC SC SC B1 SC FW FW FW FW FW FW SC SC PoP 12hr 60 50 10 10 20 5 5 5 Rain shwrs C L C S Tstms S C S S $$ SDZ040-212100- BROOKINGS-BROOKINGS SD 44.30N 96.80W Elev. 1617 ft 833 AM CDT Fri Aug 21 2026 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 57 80 51 80 Temp 73 80 82 80 69 63 60 57 71 77 79 78 64 58 54 52 70 77 80 77 Dewpt 61 59 59 59 60 58 56 54 58 55 52 52 52 49 48 48 53 54 56 58 RH 66 49 46 49 73 84 87 90 63 47 39 40 65 72 80 86 55 45 44 52 Wind dir N N N N N N N N NE N N N NE E SE SE S S S S Wind spd 8 10 9 6 3 3 4 5 9 10 9 6 4 3 3 3 6 9 9 9 Clouds FW SC FW FW FW FW FW SC CL FW CL CL FW SC B1 B1 SC B1 B1 B1 PoP 12hr 0 5 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Tstms C Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 80 60 82 57 80 54 80 Temp 63 59 76 78 65 62 80 79 64 58 77 78 61 55 77 78 Dewpt 60 59 64 67 65 62 64 63 60 56 58 59 57 54 59 61 PWind dir SE S S W NW NW N SE Wind char GN GN LT GN LT GN LT LT Avg clouds B2 B2 B1 SC SC SC B1 SC SC FW SC FW FW FW SC FW PoP 12hr 70 20 10 10 5 10 5 10 Rain shwrs C L S S Tstms C C S $$ SDZ050-212100- BURKE-GREGORY SD 43.18N 99.29W Elev. 2142 ft 833 AM CDT Fri Aug 21 2026 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 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 86 61 82 62 79 Temp 73 81 84 83 72 68 63 61 71 78 81 80 71 67 64 62 68 75 79 77 Dewpt 59 59 60 62 62 61 59 58 60 60 59 60 59 58 57 58 63 65 66 67 RH 62 47 44 49 71 78 87 90 68 54 47 51 66 73 78 87 84 71 64 71 Wind dir NE E E E E E E NE E E E E SE SE SE S S S S S Wind spd 6 10 10 8 8 4 4 4 6 9 8 8 8 9 11 12 17 21 23 21 Wind gust 27 33 34 33 Clouds FW FW FW FW FW SC SC SC SC FW SC SC B1 B1 B2 B2 B2 B1 B1 B1 PoP 12hr 5 10 5 20 50 QPF 12hr 0 0 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C S S L Tstms S S S S C Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 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 85 64 81 60 81 60 82 Temp 67 63 80 83 69 65 77 78 66 60 76 78 65 60 77 79 Dewpt 65 63 68 69 67 63 64 63 60 57 60 62 60 58 64 65 PWind dir S N S NW NW N SE S Wind char BZ GN LT GN LT LT LT GN Avg clouds B1 SC SC FW SC SC B1 SC SC FW SC FW FW SC SC SC PoP 12hr 70 5 10 30 10 5 10 20 Rain shwrs L L S C S S Tstms C C S C S S $$ SDZ057-212100- CHAMBERLAIN-BRULE SD 43.77N 99.32W Elev. 1565 ft 833 AM CDT Fri Aug 21 2026 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 61 83 61 81 Temp 73 81 85 84 72 68 63 61 71 78 82 81 70 66 64 62 69 75 80 78 Dewpt 59 59 60 61 60 60 60 59 60 59 58 58 57 55 55 57 62 65 67 67 RH 62 47 43 46 66 76 90 93 68 52 44 46 63 68 73 84 78 71 65 69 Wind dir E E E E E E NE NE E E E E E E SE SE SE SE S SE Wind spd 5 9 9 8 6 3 3 4 8 9 8 8 9 9 11 12 14 18 19 19 Wind gust 28 31 29 Clouds FW FW FW FW FW FW SC SC FW SC SC B1 B1 B1 B1 B2 B2 B1 B1 B1 PoP 12hr 5 10 10 10 50 QPF 12hr 0 0 0 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L Tstms S C Heat index 82 Max heat 82 86 81 83 82 Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 85 64 82 60 80 59 82 Temp 67 64 80 83 69 66 78 80 66 60 76 78 65 60 77 79 Dewpt 67 64 70 69 69 65 64 63 61 59 60 61 60 59 63 65 PWind dir SE E S NW NW NW E SE Wind char BZ GN LT GN LT LT LT GN Avg clouds B1 SC SC SC SC SC B1 SC SC FW SC FW FW SC SC SC PoP 12hr 70 0 10 20 10 0 10 30 Rain shwrs L L S S S C Tstms C C S S S S $$ SDZ038-212100- HURON-BEADLE SD 44.38N 98.22W Elev. 1282 ft 833 AM CDT Fri Aug 21 2026 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 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 86 60 83 59 82 Temp 72 81 84 82 70 65 62 60 71 78 81 80 67 63 61 59 70 78 81 78 Dewpt 59 59 58 60 61 60 58 57 59 57 55 56 55 53 51 51 56 60 63 65 RH 64 47 41 47 73 84 87 90 66 48 41 44 65 70 70 75 61 54 54 64 Wind dir N N N N NE NE N N NE NE N NE E E SE SE SE S S SE Wind spd 5 8 6 5 3 3 4 5 6 8 6 6 5 6 6 8 12 14 14 14 Wind gust 26 Clouds FW FW FW FW FW FW SC SC FW FW FW SC SC B1 B1 B2 B1 B1 B1 B2 PoP 12hr 0 5 0 0 30 QPF 12hr 0 0 0 0 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L Tstms S C Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 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 83 63 83 59 80 57 82 Temp 66 62 78 80 67 64 79 80 65 59 77 78 63 58 78 79 Dewpt 65 62 67 70 67 63 64 64 60 57 59 61 59 57 62 64 PWind dir SE SE S W NW NW NE SE Wind char GN GN LT GN LT GN LT GN Avg clouds B2 B2 SC SC SC SC B1 SC SC FW FW FW FW SC SC SC PoP 12hr 70 5 10 10 10 0 5 10 Rain shwrs L L Tstms C C $$ SDZ059-212100- MITCHELL-DAVISON SD 43.76N 98.02W Elev. 1312 ft 833 AM CDT Fri Aug 21 2026 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 60 84 59 82 Temp 73 81 85 83 71 66 62 60 72 79 83 81 69 64 61 59 70 77 81 78 Dewpt 61 60 60 62 61 60 59 57 60 59 58 58 56 53 52 53 58 62 65 67 RH 66 49 43 49 71 81 90 90 66 50 43 46 63 67 72 80 66 60 58 69 Wind dir N N N N NE NE N N NE NE NE NE NE E SE SE SE S S S Wind spd 6 8 8 6 4 3 3 4 5 8 8 8 6 6 8 9 12 14 16 16 Wind gust 26 Clouds FW FW FW SC FW SC SC SC FW FW FW SC SC SC B1 B2 B1 B1 B1 B2 PoP 12hr 0 5 0 0 30 QPF 12hr 0 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L Tstms S C Heat index 83 Max heat 82 87 83 84 83 Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 84 63 83 59 81 57 83 Temp 66 62 78 81 68 64 79 80 66 59 77 79 63 58 78 80 Dewpt 65 62 68 71 68 64 66 67 62 58 61 64 60 58 64 67 PWind dir SE SE S W NW NW N SE Wind char BZ GN LT GN LT GN LT GN Avg clouds B2 B2 SC SC SC SC B1 SC SC FW FW FW FW FW SC SC PoP 12hr 80 5 10 10 5 5 5 20 Rain shwrs L D S Tstms C C S $$ SDZ062-212100- SIOUX FALLS-MINNEHAHA SD 43.57N 96.73W Elev. 1424 ft 833 AM CDT Fri Aug 21 2026 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 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 86 60 83 56 81 Temp 75 83 85 83 72 66 63 61 73 79 82 81 68 62 58 57 71 78 80 77 Dewpt 62 58 58 59 59 59 57 57 59 57 55 53 52 52 51 51 55 57 60 62 RH 64 43 40 44 64 78 81 87 62 47 40 38 57 70 77 80 57 48 51 60 Wind dir N N N N N N N N NE N N NE NE E E SE SE S S S Wind spd 5 9 8 6 4 2 3 4 6 8 8 6 4 3 3 3 5 9 9 9 Clouds SC FW FW FW FW SC FW SC FW CL CL CL SC SC B1 B2 SC B2 B1 B1 PoP 12hr 5 5 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Tstms S Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 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 80 63 83 61 80 57 81 Temp 65 61 76 78 67 64 80 80 67 61 78 78 64 58 78 79 Dewpt 63 61 66 69 67 64 67 66 62 59 60 61 59 57 62 65 PWind dir SE SE S SW NW NW N SE Wind char GN GN LT LT LT GN LT LT Avg clouds B2 B2 B1 SC SC SC B1 SC FW FW SC FW FW FW B1 SC PoP 12hr 70 30 10 10 10 5 5 10 Rain shwrs C L C Tstms C C C $$ SDZ070-212100- VERMILLION-CLAY SD 42.95N 96.92W Elev. 1132 ft 833 AM CDT Fri Aug 21 2026 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 61 83 58 77 Temp 74 82 85 83 72 67 63 61 73 79 82 81 69 64 60 59 69 75 77 75 Dewpt 68 67 66 69 66 63 61 60 64 64 64 65 62 60 57 57 63 66 68 69 RH 82 61 53 63 81 87 93 97 73 60 55 58 78 87 90 93 81 74 74 82 Wind dir NW N N NE N NE N NW N NE N NE E E SE SE SE S S S Wind spd 4 4 4 4 3 3 2 3 4 4 4 4 3 4 4 4 6 10 11 9 Clouds SC SC FW FW FW FW FW FW FW SC SC CL SC SC SC B2 B1 B1 B1 B1 PoP 12hr 0 10 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Tstms S Heat index 85 88 87 83 Max heat 86 90 84 82 85 Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 80 63 83 61 81 58 80 Temp 66 62 76 78 68 64 80 79 67 61 78 78 64 59 77 78 Dewpt 65 62 70 72 68 64 71 71 65 61 66 68 63 59 68 71 PWind dir SE SE SE SW W NW NW S Wind char GN GN LT LT LT LT LT LT Avg clouds B1 B2 B1 SC SC SC B1 SC SC SC SC FW FW FW SC SC PoP 12hr 70 30 10 20 10 5 10 10 Rain shwrs C L C S S Tstms S C S S S $$ SDZ069-212100- YANKTON-YANKTON SD 42.95N 97.39W Elev. 1207 ft 833 AM CDT Fri Aug 21 2026 Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 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 86 61 83 59 79 Temp 73 82 85 83 72 68 63 61 72 79 82 81 70 65 61 59 69 76 78 76 Dewpt 66 64 64 68 64 62 60 59 63 63 62 63 60 58 56 56 61 65 67 68 RH 79 55 50 61 76 81 90 93 73 58 51 54 71 78 84 90 76 69 69 76 Wind dir N N N N N NE N N NE NE NE E E E E SE SE S S SE Wind spd 4 5 4 4 4 2 3 3 4 5 5 4 4 5 5 5 9 12 12 12 Clouds FW FW FW FW FW FW FW FW FW FW FW SC SC B1 B1 B2 B1 B1 B1 B1 PoP 12hr 0 10 0 0 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C Tstms S S Heat index 84 87 86 83 Max heat 85 89 84 85 Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 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 81 64 84 61 82 59 82 Temp 66 62 77 79 69 65 80 80 67 62 78 79 65 60 78 78 Dewpt 65 62 70 73 69 65 70 70 65 60 64 66 62 59 67 70 PWind dir SE SE SE W NW NW NW S Wind char GN GN LT LT LT LT LT LT Avg clouds B1 B2 SC SC SC SC B1 SC SC SC SC FW FW SC SC SC PoP 12hr 80 30 10 20 10 5 10 20 Rain shwrs C D C S S Tstms C C S S S $$