FOUS53 KFSD 181937 PFMFSD Point Forecast Matrices National Weather Service Sioux Falls SD 237 PM CDT Mon May 18 2026 IAZ012-190900- SIOUX CENTER-SIOUX IA 43.08N 96.18W Elev. 1446 ft 237 PM CDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 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 42 57 34 61 41 Temp 57 55 52 46 44 42 46 52 56 55 47 42 37 38 51 57 60 59 51 46 43 46 Dewpt 53 53 50 45 42 41 41 41 40 39 38 37 35 36 39 40 39 39 40 40 40 42 RH 86 93 93 96 93 96 83 66 55 55 71 82 92 92 63 53 46 47 66 79 89 86 Wind dir NE N N N NW NW NW NW NW NW N NE E E SE SE SE SE SE SE SE SE Wind spd 9 12 18 17 19 18 19 18 16 13 5 2 1 2 3 3 6 6 5 5 5 9 Clouds OV OV OV OV OV OV B2 B2 SC SC SC FW FW SC SC SC B1 B2 OV B2 B2 OV PoP 12hr 80 0 0 0 5 QPF 12hr 0.34 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D S S Tstms C S Wind chill 33 Min chill 33 Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 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 62 43 63 45 71 50 81 56 86 Temp 59 62 51 48 58 62 51 50 65 70 56 54 76 79 62 60 82 84 Dewpt 46 43 44 47 51 48 47 49 51 49 49 52 56 54 54 56 58 55 PWind dir SE SE SE SE SW S S S S Wind char GN GN GN LT LT LT GN LT GN Avg clouds B2 B2 B2 B2 OV B2 B1 B1 B2 B1 SC SC SC FW SC SC B1 SC PoP 12hr 20 20 60 50 20 10 10 20 20 Rain shwrs S S S L C C C S S S Tstms S S S C S S $$ IAZ031-190900- SIOUX CITY-WOODBURY IA 42.40N 96.38W Elev. 1210 ft 237 PM CDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 43 59 34 62 41 Temp 57 56 54 49 45 43 48 55 59 58 49 43 39 38 52 58 61 61 53 49 46 43 Dewpt 54 54 50 47 43 41 41 41 41 38 38 37 36 36 39 40 40 38 40 41 41 42 RH 90 93 86 93 93 93 77 59 51 47 66 79 89 92 61 51 46 42 61 74 83 96 Wind dir N N N NW NW NW NW NW NW N N N NE E SE E SE SE SE SE SE SE Wind spd 9 13 19 18 19 18 19 18 14 12 5 2 2 2 3 4 5 8 4 4 4 6 Wind gust 32 28 31 28 31 28 25 Clouds B2 OV OV OV OV OV B2 B1 FW FW FW CL FW B1 SC B1 B1 B2 B2 B2 OV OV PoP 12hr 90 0 0 0 5 QPF 12hr 0.51 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D S C Tstms C SDate 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 62 43 65 44 74 49 83 55 87 Temp 59 62 52 49 60 64 54 49 67 72 57 54 78 81 64 60 83 86 Dewpt 46 43 46 48 52 48 48 48 51 48 50 52 56 53 55 56 58 54 PWind dir SE E SE SE W S S S S Wind char GN GN GN LT LT LT LT LT GN Avg clouds B2 B2 B2 B2 OV B2 B1 B1 B2 B1 SC FW B1 FW SC SC B1 SC PoP 12hr 30 40 60 50 20 10 10 20 10 Rain shwrs C C S C L C C C S S Tstms S S S S C S $$ IAZ014-190900- SPENCER-CLAY IA 43.15N 95.18W Elev. 1325 ft 237 PM CDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 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 44 57 35 61 41 Temp 59 57 57 50 45 44 48 52 56 55 47 42 37 38 51 56 59 59 50 46 42 45 Dewpt 55 55 53 48 43 41 42 42 42 41 39 37 35 36 39 39 40 39 39 39 39 40 RH 87 93 86 93 93 89 80 69 59 59 74 82 92 92 63 53 49 47 66 76 89 82 Wind dir N N N N NW NW NW NW NW NW N N N N NE E E E SE SE SE SE Wind spd 9 10 14 16 18 18 19 18 16 13 6 4 2 3 4 4 5 6 5 5 5 9 Clouds B2 OV OV OV OV OV B2 B2 SC SC FW CL FW SC SC SC B1 B1 OV B2 B2 OV PoP 12hr 100 0 0 0 0 QPF 12hr 0.83 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D C C S S Tstms C C S Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 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 61 43 63 44 71 49 81 55 86 Temp 58 60 50 47 58 61 50 49 65 69 54 53 75 78 60 58 81 82 Dewpt 45 43 43 44 50 50 47 46 51 51 49 49 56 56 54 54 59 58 PWind dir SE SE E SE S S S S S Wind char GN GN GN LT LT LT GN LT GN Avg clouds B2 B2 B2 B2 OV B2 B2 B1 B2 B1 B1 SC SC FW SC SC B1 SC PoP 12hr 20 30 60 40 10 10 10 20 10 Rain shwrs S S S C C L C C S Tstms S S S C C S $$ IAZ022-190900- STORM LAKE-BUENA VISTA 42.60N 95.23W Elev. 1427 ft 237 PM CDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 45 58 37 60 42 Temp 62 61 59 52 47 45 49 53 56 56 48 43 40 41 52 56 58 58 51 47 44 46 Dewpt 58 59 55 50 45 42 42 43 43 40 38 37 36 37 39 40 40 39 39 40 40 41 RH 87 93 87 93 93 89 77 69 62 55 68 79 85 85 61 55 51 49 63 76 86 83 Wind dir NE N N N NW NW NW NW NW NW N N NE NE NE E E ESE SE E E Wind spd 6 9 13 16 19 18 19 18 17 13 6 4 4 4 6 5 5 6 5 5 5 10 Clouds B2 OV OV OV OV OV B2 B2 SC SC FW FW FW SC SC B1 B1 B2 B2 B2 B2 OV PoP 12hr 90 0 0 0 5 QPF 12hr 0.93 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D C C S Tstms C C S Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 60 45 63 46 71 51 80 57 84 Temp 58 59 51 49 58 61 52 51 65 69 57 55 75 77 63 61 81 82 Dewpt 45 43 44 46 51 49 47 48 52 50 49 51 57 56 54 56 60 58 PWind dir SE E E SE SW S S S S Wind char GN GN GN LT LT LT GN LT GN Avg clouds B2 B2 B2 B2 OV B2 B2 B1 B2 B1 B1 SC B1 SC SC SC B1 SC PoP 12hr 30 50 60 40 10 10 10 20 10 Rain shwrs S C S C C L C S S S Tstms S S C C C S S $$ MNZ072-190900- MARSHALL-LYON MN 44.47N 95.82W Elev. 1151 ft 237 PM CDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 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 41 54 35 63 42 Temp 54 52 49 45 43 41 45 50 53 53 47 42 38 39 52 57 62 62 53 49 46 44 Dewpt 48 49 47 44 42 39 38 37 37 37 36 36 35 35 36 35 35 36 36 37 38 39 RH 80 89 93 96 96 92 76 61 54 54 65 79 89 85 54 43 36 38 52 63 73 82 Wind dir N N NW NW NW NW NW NW NW NW N NW SW SW SE SE SE SE SE SE SE SE Wind spd 13 16 20 19 19 20 20 19 18 14 6 3 3 3 2 4 6 9 9 8 8 9 Clouds B2 OV OV OV OV OV B2 B2 B1 SC SC FW FW FW FW FW SC B1 B2 B1 B2 B2 PoP 12hr 80 0 0 0 0 QPF 12hr 0.08 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L S Tstms C S Wind chill 32 Min chill 31 32 33 Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 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 66 44 64 46 71 50 82 57 87 Temp 63 65 53 48 59 62 53 50 65 69 56 54 76 80 64 59 82 84 Dewpt 40 40 41 42 44 45 45 45 46 47 47 48 50 52 51 52 52 53 PWind dir SE SE SE SE S S S S S Wind char BZ GN GN GN GN LT GN GN GN Avg clouds B1 B1 B1 B1 OV B1 B1 B1 B2 B1 B1 SC SC FW SC SC SC FW PoP 12hr 5 10 50 40 20 10 10 20 20 Rain shwrs S C C C C S S S S Tstms S S S S S $$ MNZ081-190900- WINDOM-COTTONWOOD MN 43.87N 95.12W Elev. 1355 ft 237 PM CDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 42 54 35 60 41 Temp 56 54 53 47 44 42 46 51 54 53 46 41 38 39 51 56 60 59 51 46 43 45 Dewpt 52 52 50 45 42 40 39 38 38 37 36 34 34 35 36 35 36 35 36 36 37 40 RH 86 93 89 93 93 93 76 61 54 54 68 76 85 85 56 45 41 40 56 68 79 82 Wind dir N N NW NW NW NW NW NW NW NW N N NW NW NE E SE SE SE SE SE SE Wind spd 9 12 18 19 20 20 20 19 18 14 6 3 2 2 3 3 4 6 5 5 5 8 Clouds B2 OV OV OV OV OV B2 B1 B1 SC FW FW FW SC FW SC SC B1 B2 B2 B2 B2 PoP 12hr 90 0 0 0 0 QPF 12hr 0.41 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D L S Tstms C C Wind chill 34 Min chill 33 33 Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 62 43 62 44 69 49 79 55 84 Temp 60 62 50 47 58 60 50 49 65 68 54 53 76 77 61 59 81 82 Dewpt 41 40 40 43 45 46 44 46 47 48 46 49 52 53 51 54 54 54 PWind dir SE SE SE SE S S S S S Wind char GN GN GN LT GN LT GN LT GN Avg clouds B2 B2 B2 B1 OV B1 B1 B1 B2 B1 B1 SC SC FW SC SC SC SC PoP 12hr 10 20 50 40 20 10 10 10 10 Rain shwrs S C C C C S Tstms S S S $$ MNZ089-190900- WORTHINGTON-NOBLES MN 43.65N 95.58W Elev. 1584 ft 237 PM CDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 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 41 55 35 60 41 Temp 55 53 51 45 42 41 45 50 54 53 46 41 37 39 50 56 60 59 51 46 42 45 Dewpt 51 51 49 44 41 40 39 38 38 37 36 35 34 36 36 36 36 36 37 37 38 40 RH 86 93 93 96 96 96 79 63 54 54 68 79 89 89 58 47 41 42 59 71 86 82 Wind dir N N N N NW NW NW NW NW NW N N N SE E E SE SE SE SE SE SE Wind spd 11 13 18 19 20 19 19 18 17 14 6 4 2 3 3 4 5 8 6 6 8 9 Clouds OV OV OV OV OV OV B2 B2 B1 SC SC FW FW SC SC SC B1 B1 B2 B2 B2 OV PoP 12hr 90 0 0 0 0 QPF 12hr 0.31 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D C Tstms C C Wind chill 34 32 Min chill 32 32 Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 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 61 43 62 45 70 49 80 55 85 Temp 59 61 50 47 57 60 50 49 65 69 54 54 75 78 61 59 81 83 Dewpt 41 40 41 44 46 46 45 46 47 47 47 49 52 52 52 54 54 53 PWind dir SE SE SE SE S S S S S Wind char GN GN GN GN GN LT GN GN GN Avg clouds B2 B2 B2 B2 OV B2 B1 B1 B2 B1 B1 SC SC FW SC SC SC SC PoP 12hr 10 30 50 40 20 10 10 20 10 Rain shwrs C C C C C S S Tstms S S C S $$ SDZ040-190900- BROOKINGS-BROOKINGS SD 44.30N 96.80W Elev. 1617 ft 237 PM CDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 39 53 31 63 40 Temp 52 49 46 43 40 39 43 49 52 52 44 39 34 35 51 59 63 61 51 47 43 41 Dewpt 46 46 44 41 39 37 38 37 37 36 36 35 33 33 37 35 35 35 36 37 37 38 RH 80 89 93 93 96 92 82 63 56 54 73 85 96 92 59 40 35 38 56 68 79 89 Wind dir N N N N NW NW NW NW NW NW N NE SE SE S S S S SE S SE SE Wind spd 16 16 20 17 17 19 19 18 17 14 4 2 1 2 4 6 9 10 8 9 9 10 Wind gust 31 27 29 28 27 Clouds OV OV OV OV OV OV B2 B2 SC SC SC FW FW SC FW SC SC B1 B2 B2 B2 B2 PoP 12hr 80 5 0 0 0 QPF 12hr 0.05 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C S Tstms S Wind chill 31 29 Min chill 33 29 30 32 34 Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 65 42 63 43 70 47 82 53 87 Temp 62 64 50 45 59 61 50 46 65 68 53 50 76 79 60 55 82 84 Dewpt 40 40 41 42 44 44 44 44 45 46 46 47 49 51 50 51 51 51 PWind dir S SE SE SE SW S S S S Wind char BZ GN GN LT GN LT GN GN GN Avg clouds B1 B1 B2 B1 OV B1 B1 B1 B2 B1 SC SC SC SC SC FW SC FW PoP 12hr 5 20 50 50 20 20 10 20 20 Rain shwrs S C C C C S S S S S S Tstms C S S S S S S $$ SDZ050-190900- BURKE-GREGORY SD 43.18N 99.29W Elev. 2142 ft 237 PM CDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 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 37 54 34 61 41 Temp 45 45 45 40 37 37 43 48 53 54 44 39 36 37 52 57 59 59 52 48 45 42 Dewpt 43 43 40 39 36 36 38 37 36 3535 34 33 34 39 39 39 38 38 38 37 38 RH 93 93 82 96 96 96 82 65 52 48 70 82 89 89 61 51 47 45 59 68 73 86 Wind dir N N N NW NW NW NW NW NW NW NE SE S S S S S S SE S S S Wind spd 20 21 25 20 18 17 20 18 14 10 3 4 6 9 16 18 18 17 14 14 16 17 Wind gust 31 35 25 26 27 Clouds OV OV OV OV B2 B2 B1 SC SC FW FW FW FW SC SC B1 B2 B2 B2 B2 B1 B2 PoP 12hr 50 5 0 5 0 QPF 12hr 0.03 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C S Wind chill 31 28 28 30 30 34 Min chill 30 27 28 28 33 34 Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 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 64 42 62 43 71 48 81 53 85 Temp 60 64 51 45 57 61 50 47 65 70 56 51 77 79 62 55 81 83 Dewpt 43 43 45 43 44 44 45 42 45 46 47 45 49 50 50 46 49 48 PWind dir SE SE SE SW W S S S S Wind char BZ BZ GN GN GN GN BZ GN BZ Avg clouds B1 B1 B1 B2 OV B1 B1 B1 B2 SC SC FW SC FW FW FW SC FW PoP 12hr 10 50 50 30 20 10 10 10 5 Rain shwrs C C C C C S S Tstms S C C C S $$ SDZ057-190900- CHAMBERLAIN-BRULE SD 43.77N 99.32W Elev. 1565 ft 237 PM CDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 37 57 34 65 42 Temp 48 47 44 40 38 37 45 51 55 56 46 40 37 37 53 61 62 62 54 50 47 44 Dewpt 44 45 42 39 37 36 39 36 35 34 36 36 34 35 40 39 39 39 39 39 38 39 RH 86 93 93 96 96 96 79 56 47 43 68 85 89 92 61 44 43 43 57 66 71 82 Wind dir N N N NW NW NW NW NW NW NW NE SE SE SE S S S S SE SE SE SE Wind spd 18 18 19 16 13 13 17 16 13 9 3 5 6 8 14 18 18 16 13 13 14 14 Wind gust 28 29 24 Clouds OV OV OV OV B1 B1 B1 B1 SC SC FW FW FW FW FW B1 B2 B2 B2 B1 B1 B2 PoP 12hr 60 0 0 0 0 QPF 12hr 0.05 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L Wind chill 33 30 28 31 32 Min chill 32 28 29 27 33 Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 67 43 65 43 74 48 85 54 88 Temp 63 67 52 46 60 63 51 48 67 72 56 53 78 83 63 57 83 86 Dewpt 43 43 45 43 44 43 46 43 45 45 48 46 49 49 51 47 49 48 PWind dir SE SE SE S SW SE S S S Wind char BZ BZ GN GN GNGN GN GN GN Avg clouds B1 B1 B1 B2 OV B1 B2 B1 B1 SC SC SC SC FW FW FW SC FW PoP 12hr 10 50 50 30 20 10 10 10 5 Rain shwrs S C C C C S S Tstms S S C C $$ SDZ038-190900- HURON-BEADLE SD 44.38N 98.22W Elev. 1282 ft 237 PM CDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 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 38 57 31 66 41 Temp 49 48 44 41 39 38 46 51 55 56 44 38 33 34 52 61 64 63 52 48 45 42 Dewpt 45 45 43 40 38 37 37 36 36 35 37 35 33 34 38 38 38 37 38 37 38 39 RH 86 89 96 96 96 96 71 56 49 45 76 89100100 59 42 38 38 59 65 76 89 Wind dir N N N NW NW NW NW NW NW NW N SE SE SE S S S S S SE SE SE Wind spd 18 18 19 16 14 14 17 17 14 11 4 3 4 6 11 14 16 13 11 12 13 14 Wind gust 29 24 Clouds OV OV OV OV B1 B2 OV B1 B1 SC FW FW FW SC FW FW SC B1 B1 B1 B1 B1 PoP 12hr 80 0 0 0 0 QPF 12hr 0.04 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D C S Tstms S Wind chill 33 30 29 29 28 Min chill 32 29 30 26 32 34 Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 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 68 43 66 43 73 48 84 54 88 Temp 64 68 51 45 60 64 49 45 66 71 53 49 78 82 60 55 82 86 Dewpt 41 41 43 43 44 44 45 45 45 45 47 47 50 50 51 50 51 50 PWind dir SE SE SE SE SW SE S S S Wind char BZ GN GN LT GN GN GN GN GN Avg clouds B1 SC B1 B1 B2 B1 B2 B1 B2 SC SC FW SC FW SC FW SC FW PoP 12hr 5 30 50 40 20 10 10 20 5 Rain shwrs C C C C C S S S Tstms S S S $$ SDZ059-190900- MITCHELL-DAVISON SD 43.76N 98.02W Elev. 1312 ft 237 PM CDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 39 57 32 65 42 Temp 50 48 46 42 40 39 47 52 55 55 46 39 34 35 53 61 63 63 53 48 45 43 Dewpt 46 46 44 41 39 38 39 38 38 37 37 36 34 35 39 38 38 38 38 39 39 40 RH 86 93 93 96 96 96 74 59 53 51 71 89100100 59 42 39 39 57 71 79 89 Wind dir N N N NW NW NW NW NW NW NW N SE SE SE S S S S SE SE SE SE Wind spd 18 19 21 18 17 16 19 19 17 12 4 3 3 5 10 12 13 12 11 12 12 13 Wind gust 28 29 33 29 Clouds OV OV OV OV OV OV B2 B1 SC SC SC FW FW SC FW SC B1 B2 B2 B1 B2 B2 PoP 12hr 80 0 0 0 0 QPF 12hr 0.09 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D S Tstms S Wind chill 33 31 30 31 30 Min chill 33 30 31 28 34 Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 67 43 66 44 73 49 85 55 89 Temp 63 66 51 45 60 64 50 46 66 71 55 50 78 82 61 56 83 86 Dewpt 42 43 44 45 46 46 46 46 47 47 48 48 51 52 52 52 52 51 PWind dir SE SE SE SE SW SE S S S Wind char BZ GN GN GN GN GN GN GN GN Avg clouds B1 B1 B2 B1 B2 B1 B1 B1 B2 SC SC SC SC FW SC FW SC FW PoP 12hr 5 40 50 40 20 10 10 20 10 Rain shwrs C C C C S S S S Tstms S S C C S $$ SDZ062-190900- SIOUX FALLS-MINNEHAHA SD 43.57N 96.73W Elev. 1424 ft 237 PM CDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 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 41 56 34 63 42 Temp 54 52 50 46 43 41 46 51 55 55 47 41 36 36 52 59 62 61 53 49 45 43 Dewpt 50 49 47 44 41 39 39 38 38 37 37 36 34 34 38 37 37 37 39 39 39 40 RH 86 89 89 93 93 92 76 61 53 51 68 82 92 92 59 44 39 41 59 68 79 89 Wind dir N N N N NW NW NW NW NW NW N NE E SE SE SE SE SE SE SE SE SE Wind spd 12 14 19 17 17 17 18 17 16 13 4 2 1 2 3 5 8 9 5 6 6 8 Wind gust 27 28 28 26 Clouds OV OV OV OV OV OV B2 B2 SC SC SC FW FW SC SC SC B1 B2 B2 B2 B2 B2 PoP 12hr 80 0 0 0 0 QPF 12hr 0.07 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D S Tstms S Wind chill 32 Min chill 31 32 33 Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 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 64 44 64 45 72 50 82 56 87 Temp 61 64 51 47 59 62 52 48 66 70 56 52 77 80 63 58 83 85 Dewpt 42 42 43 45 46 47 46 46 47 48 48 49 51 53 52 53 52 53 PWind dir SE SE SE SE SW S S S S Wind char GN GN GN LT GN LT GN LT GN Avg clouds B1 B2 B2 B2 OV B1 B1 B1 B2 B1 SC SC SC SC SC SC B1 FW PoP 12hr 10 20 60 40 30 20 10 20 10 Rain shwrs S L L C C C S S S Tstms S S C C S S S $$ SDZ070-190900- VERMILLION-CLAY SD 42.95N 96.92W Elev. 1132 ft 237 PM CDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 41 59 34 63 41 Temp 55 54 51 47 43 41 47 54 58 58 49 43 38 38 53 59 62 61 54 49 46 43 Dewpt 51 51 48 45 42 39 40 39 38 36 36 36 36 36 39 38 37 37 39 40 41 41 RH 86 90 89 93 96 92 76 57 47 44 61 76 92 92 59 45 39 41 57 71 83 93 Wind dir N N N NW NW NW NW NW NW NW N NE SE E SE SE SE SE SE SE SE SE Wind spd 11 17 21 19 20 19 20 19 17 14 5 2 2 2 5 6 9 10 6 6 6 9 Wind gust 31 Clouds OV OV OV OV B2 OV B2 B1 FW FW FW FW SC SC SC B1 B1 B2 OV B2 B2 OV PoP 12hr 70 0 0 0 5 QPF 12hr 0.20 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L S S Tstms C Wind chill 32 Min chill 32 33 34 Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 43 65 45 73 50 84 56 88 Temp 60 64 52 47 60 64 53 49 67 72 57 53 78 82 64 58 84 86 Dewpt 43 43 45 46 48 47 47 47 48 48 49 50 52 53 54 54 54 53 PWind dir SE SE SE SE W S S S S Wind char GN GN GN LT GN LT GN GN GN Avg clouds B2 B2 B2 B2 OV B2 B1 B1 B2 B1 SC SC SC FW FW SC SC SC PoP 12hr 20 30 60 40 20 10 10 20 10 Rain shwrs S S S C L L C C S S Tstms S S S S C S $$ SDZ069-190900- YANKTON-YANKTON SD 42.95N 97.39W Elev. 1207 ft 237 PM CDT Mon May 18 2026 Date 05/18/26 Tue 05/19/26 Wed 05/20/26 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 40 59 34 63 42 Temp 53 51 49 44 41 40 46 53 57 57 48 42 37 37 52 58 62 61 53 49 46 43 Dewpt 49 49 46 43 40 39 39 38 37 36 36 36 35 35 39 37 37 37 38 39 40 41 RH 86 93 89 96 96 96 76 57 47 45 63 79 92 92 61 45 39 41 57 68 79 93 Wind dir N N N NW NW NW NW NW NW NW N NE SE SE SE SE SE SE SE SE SE SE Wind spd 13 19 24 20 20 19 21 19 17 14 5 2 2 2 5 8 9 12 9 9 8 10 Wind gust 31 Clouds OV OV OV OV B2 B2 B2 B1 FW SC SC FW FW B1 SC B1 B2 B2 OV B2 B2 OV PoP 12hr 70 0 0 0 5 QPF 12hr 0.03 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L S S Tstms S Wind chill 32 31 Min chill 30 31 34 Date 05/21 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 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 65 44 65 45 73 50 84 56 88 Temp 60 65 52 47 59 63 52 48 66 71 57 52 78 82 63 58 83 86 Dewpt 43 43 44 45 47 47 47 46 47 48 48 49 52 52 52 52 53 52 PWind dir SE SE SE SE SW S S S S Wind char BZ GN GN LT GN LT GN GN GN Avg clouds B2 B2 B2 B2 OV B1 B1 B1 OV B1 SC SC SC FW FW SC SC FW PoP 12hr 10 40 60 40 30 20 10 10 20 Rain shwrs S C L L C S C S S S S S Tstms C S C C S S S S $$