Point Forecast Matrices
Issued by NWS Rapid City, SD
Issued by NWS Rapid City, SD
104 FOUS53 KUNR 180631 PFMUNR Point Forecast Matrices National Weather Service Rapid City SD 1231 AM MDT Tue Aug 18 2026 SDZ026-191000- Rapid City Regional Airport-Pennington SD 44.05N 103.06W Elev. 3204 ft 1231 AM MDT Tue Aug 18 2026 Date 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 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 84 57 85 58 Temp 62 61 68 76 81 76 66 62 59 58 68 78 83 82 71 63 60 58 Dewpt 60 57 57 56 55 57 57 57 56 56 58 56 54 52 53 52 50 50 RH 93 87 68 50 41 52 73 84 90 93 70 47 37 35 53 67 69 75 Wind dir NW NW N NE N S SW W W W NW E S E S SW SW W Wind spd 4 4 5 5 4 5 4 4 4 4 2 4 5 4 4 5 6 6 Wind gust 17 19 17 14 14 19 19 14 Clouds SC B1 B2 B1 B2 B1 B1 B1 B1 SC SC SC SC FW FW CL FW FW PoP 12hr 20 30 30 20 0 QPF 12hr 0 0.02 0.07 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C S S Tstms C C C C S S S S Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 93 61 90 61 89 63 91 63 90 Temp 87 89 68 61 84 87 68 62 82 85 69 64 85 86 69 63 85 84 Dewpt 50 48 50 51 55 53 55 56 59 59 60 60 61 59 59 58 59 58 PWind dir N W NE E SE SE NE NW NE Wind char LT LT GN LT GN GN GN LT LT Avg clouds FW FW FW FW FW FW FW SC SC SC SC B1 B1 FW SC SC B1 FW PoP 12hr 0 5 0 5 20 40 20 30 30 Rain shwrs S C C S C S C Tstms S C S C S C $$ WYZ054-191000- Northeast Wyoming Regional Airport-Campbell WY 44.35N 105.54W Elev. 4364 ft 1231 AM MDT Tue Aug 18 2026 Date 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 57 81 55 85 57 Temp 62 61 69 75 80 77 67 61 58 57 70 79 84 83 73 65 60 58 Dewpt 48 49 51 48 46 47 51 52 52 52 53 45 41 38 39 39 42 43 RH 60 65 53 38 30 35 56 72 80 83 55 30 22 20 29 38 51 57 Wind dir SW SW W NW N NW SE S SW SW W NW NW NW N S S SW Wind spd 3 3 2 3 5 5 3 5 5 5 6 9 10 9 3 3 4 5 Wind gust 17 19 19 16 16 17 17 21 24 21 14 Clouds B2 B2 B1 B2 B1 B2 B2 B1 SC FW FW FW FW FW FW CL FW FW PoP 12hr 20 30 40 0 0 QPF 12hr 0 0.02 0.02 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C Tstms C C C C Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 92 60 92 63 91 63 89 61 89 Temp 86 91 69 61 86 90 71 64 84 89 71 64 84 87 69 62 84 86 Dewpt 40 37 40 44 46 42 49 52 54 50 55 54 53 47 51 52 51 46 PWind dir W SE E SE SE S NW SE NW Wind char LT LT LT GN BZ GN GN LT LT Avg clouds FW FW FW FW FW FW FW SC B1 SC SC SC SC SC SC SC SC FW PoP 12hr 0 5 0 5 20 30 20 30 20 Rain shwrs S C S C S Tstms S C S S S $$ SDZ001-191000- Buffalo-Harding SD 45.60N 103.55W Elev. 3004 ft 1231 AM MDT Tue Aug 18 2026 Date 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 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 56 85 56 88 57 Temp 61 59 66 77 83 78 67 62 59 57 68 80 86 82 71 64 59 57 Dewpt 55 54 56 52 49 48 52 54 53 53 56 52 48 46 48 50 49 47 RH 81 83 70 42 31 35 59 75 80 86 65 38 27 28 44 60 69 69 Wind dir NW NW W NW NW N NE SE SW W SW W W NW NW W W W Wind spd 4 3 3 3 5 6 5 5 4 4 4 6 11 11 6 5 5 4 Wind gust 16 21 19 18 26 25 Clouds B1 B1 SC SC SC SC B1 B2 SC SC SC SC B1 FW FW FW FW FW PoP 12hr 20 10 20 10 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Tstms S S S S Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 93 59 89 59 87 60 90 60 90 Temp 87 89 66 59 83 85 66 60 80 81 67 62 84 85 67 61 85 84 Dewpt 46 43 50 50 51 48 51 50 54 57 57 57 60 56 56 55 55 54 PWind dir NW NE NE E SE SE NE N NW Wind char LT LT GN GN BZ BZ GN GN GN Avg clouds FW FW FW FW FW FW FW SC SC SC SC B1 B1 SC SC SC SC FW PoP 12hr 0 0 0 5 20 40 20 20 10 Rain shwrs S C C S S S S Tstms S S S S $$ SDZ029-191000- Custer County Airport-Custer SD 43.73N 103.62W Elev. 5602 ft 1231 AM MDT Tue Aug 18 2026 Date 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 77 52 79 54 Temp 66 60 67 73 74 67 60 57 55 53 66 74 77 74 64 59 56 54 Dewpt 39 44 50 48 49 53 53 52 51 51 53 48 45 45 47 45 45 45 RH 37 55 54 41 41 61 78 83 86 93 63 40 32 35 54 60 66 71 Wind dir NW NW NW W SW E N NW W W NW W N N N W W NW Wind spd 2 2 2 3 3 3 2 2 2 2 2 4 4 3 2 1 2 3 Wind gust 16 17 16 16 18 16 Clouds SC B1 B2 B1 B2 B2 B1 B1 SC SC SC SC SC FW FW CL CL FW PoP 12hr 20 30 50 20 0 QPF 12hr 0 0.06 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C S S S S Tstms C C C C S S S S Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 58 83 57 81 58 84 58 82 Temp 82 82 64 58 82 79 63 58 76 78 64 60 82 79 64 58 79 76 Dewpt 43 43 44 46 48 49 51 51 54 54 56 54 53 54 55 52 53 54 PWind dir W N NE NE E SE NW N SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC FW FW SC SC SC SC B1 SC SC SC SC FW PoP 12hr 0 0 5 5 20 30 30 30 40 Rain shwrs S C S C C S C Tstms S C C C C $$ SDZ013-191000- Faith Municipal Airport-Meade SD 45.04N 102.02W Elev. 2584 ft 1231 AM MDT Tue Aug 18 2026 Date 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 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 57 83 58 86 58 Temp 61 59 65 73 81 78 69 64 60 59 67 76 84 81 71 65 61 58 Dewpt 58 57 59 58 54 53 56 57 56 56 59 58 54 54 56 57 55 53 RH 90 93 81 59 39 42 63 78 87 90 75 54 36 39 59 75 81 83 Wind dir W N N NE N NE SE SE SE SW S S SE SW SE S SW W Wind spd 4 4 4 4 4 4 5 4 4 4 6 6 6 4 5 6 8 6 Wind gust 17 19 19 Clouds B2 B2 B1 SC B1 SC SC B2 B1 B1 SC SC SC SC FW FW FW FW PoP 12hr 20 10 20 30 5 QPF 12hr 0 0 0.04 0.15 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C C Tstms S S S S C C Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 60 88 60 85 61 88 61 89 Temp 85 89 68 60 82 85 66 60 79 82 67 62 80 85 68 62 83 85 Dewpt 52 48 54 53 55 52 54 52 55 56 58 58 63 61 60 59 61 58 PWind dir NW E NE E SE SE E SE N Wind char LT LT GN GN BZ BZ BZ GN GN Avg clouds FW FW FW FW FW FW FW FW SC SC SC B1 B1 B1 SC SC B1 SC PoP 12hr 0 0 0 0 5 40 20 20 20 Rain shwrs C C S S S Tstms C S S $$ SDZ042-191000- Pine Ridge Airport-Oglala Lakota SD 43.02N 102.51W Elev. 3333 ft 1231 AM MDT Tue Aug 18 2026 Date 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 84 57 87 58 Temp 58 59 69 77 82 78 69 65 61 58 69 78 85 82 72 66 62 58 Dewpt 57 58 59 57 53 54 59 59 58 57 59 57 53 52 56 56 55 55 RH 96 96 70 50 37 43 70 81 90 96 70 48 33 35 57 70 78 90 Wind dir NW NW NW N NW E SE S S S SW W NW NE SE S S SW Wind spd 2 2 3 5 5 4 4 3 2 3 4 5 5 4 5 5 4 3 Wind gust 16 17 13 16 14 16 Clouds SC SC SC B1 B2 B2 B2 B1 B1 SC SC SC SC FW FW FW CL CL PoP 12hr 20 20 40 20 0 QPF 12hr 0 0 0.08 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C S S S S Tstms S S C C S S S S S S Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 92 62 91 62 90 64 92 63 90 Temp 87 90 71 62 87 88 71 62 85 87 73 66 85 88 72 63 85 86 Dewpt 53 49 55 55 56 53 57 56 58 57 60 59 60 57 61 59 59 57 PWind dir W SE NE E SE SE W SE SE Wind char LT LT LT GN GN BZ GN LT LT Avg clouds CL FW FW FW FW FW SC FW SC SC SC B1 SC SC SC SC SC FW PoP 12hr 0 5 0 10 20 30 10 30 20 Rain shwrs S C C C S S Tstms S C C S $$ SDZ032-191000- Philip Airport-Haakon SD 44.05N 101.60W Elev. 2209 ft 1231 AM MDT Tue Aug 18 2026 Date 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 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 84 58 86 59 Temp 60 61 69 76 82 79 70 64 61 59 68 77 84 82 72 65 61 60 Dewpt 60 59 61 60 58 58 59 59 59 59 61 60 58 58 60 59 57 56 RH 100 93 76 58 44 49 68 84 93100 78 56 41 44 66 81 87 87 Wind dir N NW NW N N NE E SE S SW S S S NW SE S SW SW Wind spd 3 3 4 4 4 4 4 3 3 2 5 5 5 2 5 5 6 5 Wind gust 14 17 16 16 Clouds B1 B1 B1 SC B1 B1 B1 B1 B1 B1 SC SC SC SC FW FW CL FW PoP 12hr 20 20 40 20 5 QPF 12hr 0.07 0.01 0.06 0.11 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C S S S S Tstms S S C C S S S S S S Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 61 89 61 87 62 89 63 89 Temp 86 89 68 61 83 87 68 62 80 85 68 64 82 86 69 63 83 86 Dewpt 56 54 56 55 59 57 57 56 59 60 61 61 64 65 64 61 64 63 PWind dir NW E NE E E SE SE NE NE Wind char LT LT GN GN BZ BZ GN LT LT Avg clouds FW FW FW FW FW FW FW SC SC SC SC B1 B1 SC SC B1 B1 SC PoP 12hr 0 5 0 5 10 50 20 20 20 Rain shwrs C C S S S S Tstms C S S S S $$ SDZ049-191000- Winner Regional Airport-Tripp SD 43.39N 99.84W Elev. 2032 ft 131 AM CDT Tue Aug 18 2026 Date 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 82 61 84 60 Temp 65 65 71 77 81 79 71 66 63 62 70 76 81 77 69 65 63 61 Dewpt 63 64 66 64 62 61 63 62 62 61 64 63 61 63 65 64 63 61 RH 93 97 84 64 53 54 76 87 97 97 81 64 51 62 87 97100100 Wind dir NE S NW N N SE SE S S S S S S SE S S S SW Wind spd 3 4 5 6 6 4 4 3 4 4 5 8 8 8 9 10 10 8 Wind gust 19 Clouds B2 B1 SC B1 B1 B1 B2 B1 B1 B2 B1 B1 B1 SC SC FW FW FW PoP 12hr 20 10 30 40 10 QPF 12hr 0.11 0 0.05 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C C C Tstms S S S S S S C C Date 08/20 Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 63 89 63 86 63 85 64 87 Temp 85 86 69 64 85 85 69 63 81 83 69 65 79 82 69 65 82 83 Dewpt 62 60 60 60 63 62 61 59 60 62 62 62 65 67 66 65 66 66 PWind dir W SE E E E SE S SE SE Wind char GN LT GN GN GN BZ BZ GN GN Avg clouds FW FW FW FW FW FW CL FW SC FW FW B1 B2 SC SC B1 B1 SC PoP 12hr 0 10 5 10 5 50 30 30 5 Rain shwrs S C C C S Tstms S S S C S $$