Point Forecast Matrices
Issued by NWS Sioux Falls, SD
Issued by NWS Sioux Falls, SD
869 FOUS53 KFSD 181926 PFMFSD Point Forecast Matrices National Weather Service Sioux Falls SD 226 PM CDT Mon Aug 18 2025 IAZ012-190900- SIOUX CENTER-SIOUX IA 43.08N 96.18W Elev. 1446 ft 226 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 86 66 84 63 Temp 85 84 75 72 71 69 77 84 85 84 74 69 68 67 76 82 83 80 70 66 64 64 Dewpt 74 74 73 72 70 69 74 74 74 75 71 69 68 67 72 72 71 71 68 66 64 64 RH 70 72 94100 97100 90 72 70 74 90100100100 87 72 67 74 93100100100 Wind dir W NW N NE NE N NE NE NE NE E E E E E E E E SE SE SE SE Wind spd 4 3 3 3 3 3 3 4 4 5 4 3 2 2 3 4 5 5 5 5 5 5 Clouds FW FW FW SC SC B1 SC FW FW FW FW FW SC SC FW FW FW CL CL CL FW SC PoP 12hr 10 5 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Heat index 93 91 91 93 91 87 88 83 Max heat 93 90 91 95 85 87 89 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 64 81 54 77 50 73 48 72 Temp 80 80 68 66 78 76 61 56 74 72 56 51 69 68 52 49 69 68 Dewpt 70 71 65 64 67 63 58 54 56 56 52 49 51 53 50 47 52 53 PWind dir S S N N NW N N NE NE Wind char GN LT GN LT LT LT LT LT LT Avg clouds FW FW FW B1 SC SC FW FW FW CL FW FW FW FW FW SC SC SC PoP 12hr 0 30 20 10 0 5 5 10 5 Rain shwrs C S S Tstms C S S $$ IAZ031-190900- SIOUX CITY-WOODBURY IA 42.40N 96.38W Elev. 1210 ft 226 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 88 67 86 64 Temp 87 86 77 74 71 70 78 85 87 86 76 72 70 68 76 83 85 82 73 68 66 65 Dewpt 74 74 74 73 71 70 74 74 73 75 73 72 69 68 72 71 71 71 69 67 66 64 RH 65 68 90 97100100 88 70 63 70 90100 97100 87 67 63 69 87 97100 97 Wind dir NW N NE N NW N NE NE NE NE NE E E E SE E E E E SE SE SE Wind spd 5 3 2 2 2 2 3 5 5 5 3 2 2 2 2 5 5 5 5 4 4 4 Clouds FW FW FW SC SC B1 SC FW FW CL FW FW FW SC FW FW FW CL CL FW FW SC PoP 12hr 10 5 10 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Heat index 95 94 92 95 94 88 90 87 Max heat 96 94 95 97 92 88 90 83 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 66 83 57 79 53 74 51 73 Temp 81 82 70 66 80 79 64 59 76 76 59 54 71 71 55 52 69 71 Dewpt 69 70 65 64 68 66 61 56 57 59 54 51 54 54 52 50 53 54 PWind dir S SE NW N NW N N NE N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC FW FW FW FW FW SC SC FW FW SC SC SC PoP 12hr 0 20 20 20 5 10 10 20 10 Rain shwrs S S S S S S Tstms S S S S S $$ IAZ014-190900- SPENCER-CLAY IA 43.15N 95.18W Elev. 1325 ft 226 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 85 65 84 61 Temp 84 83 76 72 70 69 76 81 84 82 72 69 67 66 74 80 81 79 70 65 63 62 Dewpt 74 74 73 71 70 69 73 72 73 73 71 68 66 66 70 70 70 69 67 64 63 62 RH 72 74 90 97100100 90 74 70 74 97 97 97100 87 72 69 72 90 97100100 Wind dir W N N N N N NE NE NE NE NE NE NE NE E E E E E SE SE SE Wind spd 5 4 3 3 3 3 4 5 5 5 4 2 2 2 3 5 5 5 5 4 3 3 Clouds SC FW FW SC B1 B2 SC SC FW FW FW FW SC SC FW FW FW FW FW CL FW SC PoP 12hr 10 5 5 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Heat index 92 90 86 90 88 82 85 Max heat 93 91 87 92 83 83 85 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 63 80 55 77 50 72 47 72 Temp 78 78 66 64 76 75 61 56 72 71 56 51 68 67 52 48 67 67 Dewpt 68 68 64 63 67 64 58 53 55 56 51 48 51 52 49 47 51 53 PWind dir S S NW N NW N N N N Wind char LT LT GN LT GN LT LT LT LT Avg clouds FW FW FW SC SC SC FW FW FW CL FW FW FW FW FW FW FW FW PoP 12hr 0 20 30 10 0 5 5 10 5 Rain shwrs S C S Tstms S S S $$ IAZ022-190900- STORM LAKE-BUENA VISTA 42.60N 95.23W Elev. 1427 ft 226 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 84 66 83 62 Temp 84 83 75 72 71 69 75 81 83 82 73 69 68 67 74 79 81 78 69 66 64 63 Dewpt 74 75 74 72 70 69 74 74 74 75 71 69 68 67 71 71 71 71 68 66 64 63 RH 72 77 97100 97100 97 79 74 79 93100100100 90 77 72 79 97100100100 Wind dir W NW NW N N N NE NE NE NE NE NE NE NE E E E E E SE SE SE Wind spd 6 3 4 4 4 5 5 5 5 5 4 4 3 4 4 5 6 5 5 5 5 4 Clouds FW FW FW FW SC B1 B1 FW SC FW FW FW FW SC FW FW FW CL FW FW FW SC PoP 12hr 10 5 5 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF+ PF Heat index 91 89 87 90 88 85 Max heat 92 91 89 92 85 83 85 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 63 81 56 76 51 71 49 71 Temp 78 77 65 64 78 75 62 58 72 72 56 52 68 67 53 50 67 67 Dewpt 69 69 64 63 69 66 60 56 57 59 53 50 53 54 51 49 53 55 PWind dir SE S NW N NW N N N N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC FW FW FW CL FW FW FW FW FW SC FW FW PoP 12hr 0 20 20 20 0 5 5 10 10 Rain shwrs S S S S Tstms S S S $$ MNZ072-190900- MARSHALL-LYON MN 44.47N 95.82W Elev. 1151 ft 226 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 66 83 64 Temp 82 80 74 71 69 67 75 81 83 82 73 69 68 66 73 80 81 79 71 67 66 65 Dewpt 74 74 73 71 69 67 71 72 72 72 71 69 68 66 70 70 70 70 68 67 65 64 RH 77 82 97100100100 87 74 70 72 93100100100 90 72 69 74 90100 97 97 Wind dir N N NE SW NW NW N NE N N NE N N E SE E E SE SE S S S Wind spd 5 5 3 2 2 2 2 4 4 4 3 2 2 2 2 5 5 5 6 6 6 6 Clouds SC FW FW SC SC B1 SC FW FW FW FW FW SC B1 SC FW FW FW CL CL FW FW PoP 12hr 5 5 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Heat index 88 85 85 89 87 83 85 Max heat 89 85 86 90 83 83 85 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 66 78 56 72 51 68 48 70 Temp 80 80 70 66 74 73 61 56 69 67 56 51 65 64 53 49 66 66 Dewpt 69 71 67 65 64 63 55 52 54 56 51 49 51 53 50 47 51 54 PWind dir S SW NW NW NW NW NW NW N Wind char GN GN GN LT GN LT GN LT LT Avg clouds FW FW SC B1 B1 FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 5 50 20 5 0 0 0 5 5 Rain shwrs C C S Tstms C S $$ MNZ081-190900- WINDOM-COTTONWOOD MN 43.87N 95.12W Elev. 1355 ft 226 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 84 65 82 62 Temp 82 81 75 71 69 69 76 81 83 82 72 69 67 65 74 80 81 78 70 66 63 63 Dewpt 73 73 73 71 69 69 71 70 70 71 70 68 66 65 69 67 67 67 67 64 63 62 RH 74 77 94100100100 85 69 65 69 93 97 97100 84 65 63 69 90 93100 97 Wind dir NW N N N N N N N N N NE NE NE NE E E E E SE SE S S Wind spd 5 5 3 2 2 2 3 5 5 5 2 2 1 1 2 5 5 5 4 4 4 4 Clouds SC FW FW SC B1 B1 SC FW FW FW FW FW FW SC SC FW CL FW FW CL FW FW PoP 12hr 5 5 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF+ PF Heat index 88 86 85 88 86 82 83 Max heat 90 87 86 89 83 83 85 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 65 78 56 73 51 68 48 70 Temp 78 78 67 65 75 74 61 56 70 68 56 52 66 64 53 49 67 66 Dewpt 66 67 65 63 64 62 56 52 52 53 51 48 49 50 49 47 48 51 PWind dir S S NW NW NW NW NW NW N Wind char LT LT GN LT GN LT GN LT LT Avg clouds FW FW FW B1 B1 SC FW FW FW CL FW FW FW FW FW FW FW FW PoP 12hr 0 30 20 5 0 0 0 5 5 Rain shwrs C S Tstms S S $$ MNZ089-190900- WORTHINGTON-NOBLES MN 43.65N 95.58W Elev. 1584 ft 226 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 85 65 83 62 Temp 82 81 75 71 69 68 76 81 84 82 72 68 67 66 74 80 81 79 70 66 63 63 Dewpt 73 73 73 71 69 68 72 71 71 71 70 68 67 66 69 68 67 68 67 65 63 63 RH 74 77 94100100100 87 72 65 69 93100100100 84 67 63 69 90 97100100 Wind dir W N N N N N NE NE NE NE NE NE NE NE E E E E SE SE S S Wind spd 5 5 4 3 3 3 4 5 5 5 3 2 2 2 3 5 5 5 5 5 5 5 Clouds FW FW SC FW SC B2 SC SC FW FW FW FW SC B1 SC FW FW CL FW CL FW SC PoP 12hr 5 5 5 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF+ PF Heat index 87 86 86 88 86 83 83 Max heat 89 87 87 90 82 83 84 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 64 78 55 75 50 70 48 71 Temp 79 79 67 65 76 74 60 56 71 69 55 50 66 65 52 49 67 66 Dewpt 67 68 66 64 64 61 57 52 53 53 51 48 49 50 49 47 48 50 PWind dir S S NW NW NW NW N N N Wind char GN GN GN LT GN LT LT LT LT Avg clouds FW FW FW B1 SC SC FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 30 30 5 0 0 5 5 5 Rain shwrs C C S Tstms C S S $$ SDZ040-190900- BROOKINGS-BROOKINGS SD 44.30N 96.80W Elev. 1617 ft 226 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 86 64 85 63 Temp 83 82 74 70 68 66 75 83 85 82 73 68 66 64 74 81 84 80 72 67 65 64 Dewpt 73 72 71 69 68 66 70 71 70 71 69 67 65 64 69 69 68 69 67 65 64 63 RH 72 72 90 97100100 84 67 61 69 87 97 97100 84 67 59 69 84 93 97 97 Wind dir NW N NE NE NE NE NE NE NE NE E E E E SE SE SE SE SE SE S S Wind spd 5 5 4 3 2 2 3 5 5 5 5 3 2 2 4 5 6 8 8 8 8 9 Clouds SC FW FW SC SC B1 SC FW FW FW FW FW FW SC SC FW CL CL FW CL FW FW PoP 12hr 5 5 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Heat index 89 87 88 90 86 84 87 83 Max heat 89 85 88 91 84 85 88 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 63 78 54 72 48 69 46 71 Temp 81 81 68 64 75 74 59 54 70 68 54 49 66 65 51 47 67 66 Dewpt 69 69 66 63 62 60 55 50 52 52 49 47 49 51 49 45 50 52 PWind dir S S N NW NW N N N NE Wind char GN GN GN LT GN LT LT LT LT Avg clouds FW FW SC B1 SC FW FW FW FW CL FW FW FW FW FW FW FW FW PoP 12hr 5 50 20 5 0 5 5 5 5 Rain shwrs C C S Tstms C S $$ SDZ050-190900- BURKE-GREGORY SD 43.18N 99.29W Elev. 2142 ft 226 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 66 89 66 89 67 Temp 88 85 75 71 68 66 78 86 89 84 76 71 68 67 76 85 88 85 77 72 69 68 Dewpt 67 68 69 67 67 66 68 70 68 67 68 68 68 67 71 69 66 65 67 67 66 65 RH 50 57 82 87 97100 71 59 50 57 76 90100100 85 59 48 51 71 84 90 90 Wind dir E E SE N SW W W SE E E SE SE S S S SE SE SE SE S S S Wind spd 5 5 5 5 3 3 4 6 6 8 6 5 5 5 8 10 11 11 12 12 11 11 Clouds CL FW SC B1 SC SC FW FW FW SC FW FW FW FW FW CL FW CL FW FW FW FW PoP 12hr 10 10 5 0 0 QPF 12hr 0.02 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 91 88 90 92 87 89 90 87 Max heat 92 87 90 92 84 89 92 85 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 93 64 80 57 77 53 73 54 73 Temp 88 87 72 66 76 77 63 58 74 74 60 55 68 69 58 55 68 69 Dewpt 67 66 65 64 62 56 55 53 54 53 52 51 52 51 51 51 54 53 PWind dir S W N N N NE E E SE Wind char GN GN GN LT LT LT GN GN GN Avg clouds CL FW SC SC SC SC FW FW FW FW SC SC SC SC SC B1 SC SC PoP 12hr 5 30 20 10 10 20 10 20 10 Rain shwrs C C S S S S Tstms C C S S $$ SDZ057-190900- CHAMBERLAIN-BRULE SD 43.77N 99.32W Elev. 1565 ft 226 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 92 67 92 68 Temp 89 87 77 72 68 67 78 88 91 87 77 73 70 68 78 87 90 88 78 74 71 69 Dewpt 70 69 70 70 68 67 71 70 69 70 71 70 69 68 72 70 67 66 69 68 67 66 RH 54 55 79 93100100 79 55 49 57 82 90 97100 82 57 47 48 74 82 87 90 Wind dir E E E S NE SE SE SE E E E E SE SE SE SE SE SE SE SE S S Wind spd 6 8 6 5 5 4 5 8 8 10 8 8 8 8 10 12 13 13 13 13 13 11 Wind gust 24 24 Clouds FW FW SC SC SC SC FW CL FW FW FW FW FW FW FW CL CL CL FW FW FW FW PoP 12hr 10 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 94 91 93 96 92 91 93 90 Max heat 95 90 94 97 88 92 94 88 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 95 64 83 57 79 53 76 54 76 Temp 89 89 72 66 78 79 64 58 74 75 60 54 70 72 59 55 70 72 Dewpt 67 68 67 65 60 57 57 53 52 53 52 51 51 51 52 51 53 54 PWind dir S NE N N N NE NE E SE Wind char GN GN GN LT GN GN GN GN GN Avg clouds CL FW SC SC SC FW FW FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 5 30 20 10 5 10 10 10 10 Rain shwrs C C S Tstms C S $$ SDZ038-190900- HURON-BEADLE SD 44.38N 98.22W Elev. 1282 ft 226 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 66 89 66 89 67 Temp 85 85 77 72 68 66 75 84 88 86 76 71 68 67 76 85 87 85 76 72 69 67 Dewpt 72 71 71 70 68 66 71 71 70 70 71 69 67 67 71 71 69 69 69 67 66 65 RH 65 63 82 93100100 87 65 55 59 85 93 97100 85 63 55 59 79 84 90 93 Wind dir N NE NE NE E E E E NE NE E E SE SE SE SE SE SE SE SE S S Wind spd 5 5 4 4 3 3 4 5 5 5 5 5 5 5 8 10 10 10 10 11 11 11 Clouds FW CL FW FW SC SC FW FW FW FW FW FW FW SC FW CL FW CL CL CL FW FW PoP 12hr 5 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 91 90 89 93 91 90 91 89 Max heat 92 90 91 95 90 90 92 87 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 92 63 80 54 76 50 73 49 73 Temp 85 85 70 64 76 76 61 54 71 71 56 50 68 69 54 49 69 70 Dewpt 69 70 67 63 60 58 55 51 52 53 51 48 49 51 50 47 51 53 PWind dir S NE N N NW N N E E Wind char GN GN GN LT GN LT GN LT GN Avg clouds FW FW SC SC SC FW FW FW FW FW FW FW FW FW FW SC SC FW PoP 12hr 10 50 20 5 5 5 5 5 5 Rain shwrs C C S Tstms C S $$ SDZ059-190900- MITCHELL-DAVISON SD 43.76N 98.02W Elev. 1312 ft 226 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 90 66 89 66 Temp 87 85 78 72 69 67 77 86 89 86 76 72 68 67 76 85 87 84 75 72 68 66 Dewpt 72 72 72 71 69 67 71 72 71 72 71 70 68 67 71 72 71 71 69 68 66 65 RH 61 65 82 97100100 82 63 56 63 85 93100100 85 65 59 65 82 87 93 97 Wind dir NE NE N E NE E E E E E E E SE SE SE SE SE SE SE SE SE S Wind spd 5 5 5 4 3 3 4 5 5 5 5 5 5 5 6 9 10 10 10 10 10 10 Clouds FW CL SC SC SC SC FW CL FW FW FW FW FW SC FW CL CL CL FW FW FW FW PoP 12hr 10 5 5 0 0 QPF 12hr 0 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 94 91 92 95 92 91 92 88 Max heat 98 91 94 98 89 91 94 86 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 93 65 82 55 78 51 74 50 74 Temp 85 85 71 66 77 77 61 56 74 72 57 52 69 69 55 51 69 70 Dewpt 70 70 67 64 63 60 57 53 53 54 52 49 50 52 51 48 53 54 PWind dir S E N N NW N N E E Wind char GN GN GN LT GN LT GN LT GN Avg clouds FW CL SC SC SC FW FW FW FW FW FW SC FW FW SC SC SC SC PoP 12hr 5 40 20 10 5 10 5 10 10 Rain shwrs C C S Tstms C S $$ SDZ062-190900- SIOUX FALLS-MINNEHAHA SD 43.57N 96.73W Elev. 1424 ft 226 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 88 66 86 64 Temp 85 85 77 72 70 69 77 84 87 84 75 70 68 67 76 82 84 81 72 68 66 65 Dewpt 73 73 73 72 70 69 73 73 72 72 71 69 67 67 71 71 70 70 68 67 66 64 RH 67 67 87100100100 87 70 61 67 87 97 97100 85 69 63 69 87 97100 97 Wind dir NW N N NE NE N NE NE NE E E E E E SE SE SE SE SE SE SE S Wind spd 5 5 4 3 2 2 3 4 5 5 4 3 2 2 3 5 5 6 5 5 5 5 Clouds FW CL FW SC SC B1 SC FW FW FW SC FW SC SC SC FW FW CL FW CL FW SC PoP 12hr 5 5 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Heat index 91 91 90 93 89 86 88 85 Max heat 94 92 93 95 89 88 90 83 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 80 56 76 51 72 48 72 Temp 81 81 70 66 77 76 61 56 73 71 56 51 68 68 54 49 68 69 Dewpt 69 69 66 65 65 61 57 53 54 54 51 48 50 51 50 47 51 52 PWind dir S SE N N NW N N NE NE Wind char GN LT GN LT GN LT LT LT LT Avg clouds FW FW SC B1 SC FW FW FW FW CL FW FW FW FW FW SC SC FW PoP 12hr 0 40 20 10 0 5 5 10 5 Rain shwrs S C S S Tstms S C S S $$ SDZ070-190900- VERMILLION-CLAY SD 42.95N 96.92W Elev. 1132 ft 226 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 88 67 86 64 Temp 86 85 77 74 71 70 78 85 86 85 76 72 70 69 76 83 84 82 73 69 66 66 Dewpt 75 75 75 73 71 70 76 76 76 75 73 72 70 69 73 73 73 73 70 69 66 65 RH 70 72 94 97100100 94 75 72 72 90100100100 90 72 70 74 90100100 97 Wind dir W E NW N NW N NE NE NE E E E E E SE SE SE E SE SE SE SE Wind spd 4 4 3 3 2 2 3 5 5 5 4 3 2 2 4 5 5 6 5 5 5 5 Clouds FW CL FW SC SC B2 B1 FW CL FW FW FW FW SC FW FW FW CL FW FW FW SC PoP 12hr 10 5 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Heat index 95 93 94 97 93 89 91 88 Max heat 98 93 97 100 91 90 93 84 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 66 83 57 78 53 73 51 73 Temp 83 82 72 67 80 78 63 58 76 74 59 54 71 71 56 52 70 71 Dewpt 72 73 66 65 68 65 60 56 58 59 54 51 54 55 53 51 54 55 PWind dir S S NW N NW N N NE E Wind char GN GN GN LT LT LT LT LT LT Avg clouds FW CL FW SC SC SC FW FW FW FW FW SC SC FW SC SC SC SC PoP 12hr 0 30 20 20 5 10 10 20 10 Rain shwrs C S S S S Tstms C S S S $$ SDZ069-190900- YANKTON-YANKTON SD 42.95N 97.39W Elev. 1207 ft 226 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 68 87 66 Temp 86 85 77 74 71 69 77 84 88 85 76 73 70 69 76 83 85 82 74 69 67 66 Dewpt 74 74 74 72 70 69 75 75 75 75 73 72 70 69 73 73 73 72 71 69 67 66 RH 68 70 90 93 97100 94 74 66 72 90 97100100 90 72 67 72 90100100100 Wind dir N NE NW N W N NE NE NE SE E E E E SE SE SE SE SE SE SE SE Wind spd 5 5 4 3 3 2 4 5 5 5 4 4 3 3 5 6 8 8 8 8 6 6 Clouds FW FW FW SC SC B1 SC FW FW FW SC FW FW SC FW FW FW FW FW CL FW FW PoP 12hr 10 5 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Heat index 94 92 92 97 94 89 91 87 Max heat 95 93 95 99 90 90 93 85 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 82 57 79 53 74 52 74 Temp 83 84 72 67 78 78 63 58 74 74 59 53 69 70 57 52 68 70 Dewpt 71 72 67 65 67 64 60 55 57 57 54 51 53 54 53 51 54 55 PWind dir S S N N NW N N NE E Wind char GN GN GN LT LT LT LT LT GN Avg clouds FW CL FW SC SC SC FW SC FW FW SC SC SC SC SC SC SC SC PoP 12hr 0 40 20 10 5 10 10 20 10 Rain shwrs C S S S Tstms C S S $$