Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
867 FOUS51 KLWX 231136 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 736 AM EDT Sun Jun 23 2024 VAZ054-232000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 736 AM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 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 98 78 91 70 91 Temp 84 94 98 97 91 86 83 80 80 84 88 89 85 78 74 70 73 83 89 91 88 Dewpt 69 70 69 70 71 70 71 69 64 58 57 55 54 57 57 57 57 55 54 54 56 RH 61 46 39 42 52 59 67 69 58 41 35 32 35 48 55 63 57 38 30 29 34 Wind dir SW SW SW SW SW SW SW W NW NW NW NW NW NW NW NW NW NW W SW S Wind spd 11 14 17 17 14 11 11 10 13 16 16 16 14 11 9 6 9 5 5 6 9 Clouds SC SC B2 B2 B2 B2 B2 B1 FW FW SC SC FW FW FW CL CL CL FW FW FW PoP 12hr 40 50 5 0 0 QPF 12hr 0.10 0.04 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C Tstms C C C C C Heat index 88100104104 98 91 88 83 82 84 Max heat 88 104 104 96 86 87 87 82 87 89 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 98 77 92 73 91 75 93 Temp 77 78 94 88 80 78 88 85 77 76 88 85 77 77 90 86 Dewpt 60 61 65 68 70 70 67 63 65 62 63 65 69 69 70 69 PWind dir S SW SW NW N E SE S Wind char GN GN LT LT LT GN LT GN Avg clouds SC SC SC SC B1 B2 B1 SC SC FW FW FW SC B1 SC SC PoP 12hr 5 30 60 30 10 10 20 20 Rain shwrs C L C S C S S Tstms C C C S S S $$ MDZ013-232000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 736 AM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 99 75 89 66 92 Temp 83 95 99 96 91 83 80 77 77 84 87 88 83 75 70 66 70 82 88 91 87 Dewpt 68 70 69 69 70 70 71 69 64 60 57 55 54 57 58 57 59 57 55 54 56 RH 61 45 38 42 50 65 74 76 64 44 36 33 37 54 66 73 68 43 33 29 35 Wind dir SW SW SW SW SW SW SW W W NW NW NW NW NW NW NW NW NW W SW S Wind spd 10 11 14 14 10 5 8 8 11 14 16 16 12 8 6 5 5 4 5 5 5 Clouds SC B1 B2 B2 B2 B2 B2 B1 FW FW SC SC SC FW FW CL CL CL FW FW SC PoP 12hr 50 50 5 0 0 QPF 12hr 0.27 0.06 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S Tstms C C C C S Heat index 86102106102 97 87 83 84 82 Max heat 86 106 104 93 83 86 87 81 86 89 Heat Y Y Y Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 98 73 90 68 89 71 92 Temp 74 77 94 85 76 76 87 83 72 73 86 83 72 75 88 84 Dewpt 60 61 67 70 71 71 69 63 65 62 64 66 68 70 71 70 PWind dir S SW SW NW N E SE S Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC B1 B2 B2 B1 SC FW FW FW SC SC B1 B1 SC PoP 12hr 5 30 60 30 5 10 10 20 Rain shwrs C L C S C S Tstms C C C S S S $$ MDZ011-232000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 736 AM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 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 100 79 91 71 93 Temp 85 97100 98 91 88 83 80 80 85 88 89 84 78 74 71 73 85 90 92 88 Dewpt 69 69 67 69 69 70 70 68 62 58 57 54 53 57 56 56 56 54 53 52 54 RH 59 40 34 39 49 55 65 67 54 40 35 30 34 48 53 59 55 35 28 26 31 Wind dir SW SW SW SW SW SW SW W W NW NW NW NW NW NW NW NW NW W SW S Wind spd 9 11 13 12 11 9 9 9 13 14 16 16 13 10 9 8 8 4 5 5 6 Clouds SC B1 B2 B2 B2 B2 B2 B1 FW FW SC SC FW FW FW CL CL CL FW FW SC PoP 12hr 50 50 5 0 0 QPF 12hr 0.18 0.04 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S Tstms C C C C S Heat index 89103105104 96 93 87 83 81 Max heat 89 106 105 96 87 87 88 81 88 89 Heat Y Y Y Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 99 77 93 73 92 75 95 Temp 79 80 95 87 81 79 90 86 77 76 89 84 77 76 90 86 Dewpt 59 60 65 67 70 69 67 61 62 60 62 64 67 68 69 68 PWind dir S SW SW NW N E SE S Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC B1 B2 B2 B1 SC FW FW FW SC SC B1 B1 SC PoP 12hr 5 30 60 30 5 10 10 20 Rain shwrs C L C S C S Tstms C C C S S S $$ WVZ052-232000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 736 AM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 94 68 86 59 89 Temp 79 91 94 91 86 77 74 69 72 78 82 85 80 70 64 60 66 79 87 89 84 Dewpt 68 68 68 66 68 67 67 64 61 57 57 55 55 55 55 55 57 56 53 53 57 RH 69 47 43 44 55 71 79 84 68 48 43 36 42 59 73 84 73 45 31 29 40 Wind dir SW SW SW W W SW W W NW NW NW NW NW NW NW NW W NW W SW S Wind spd 6 11 14 14 11 9 8 8 12 17 17 17 11 6 4 3 3 3 4 5 4 Wind gust 27 Clouds B1 B2 B2 B2 B2 B1 SC FW FW FW FW SC FW FW FW CL CL FW CL FW SC PoP 12hr 30 40 5 0 0 QPF 12hr 0 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C Tstms S C C C Heat index 95 99 94 89 82 80 Max heat 99 97 84 82 84 85 87 Heat Y Y Y Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 92 67 86 61 86 66 91 Temp 68 72 90 82 71 73 84 79 66 69 83 81 70 73 87 83 Dewpt 57 61 64 67 68 68 64 60 60 59 61 63 65 66 68 67 PWind dir S SW W N N E SE S Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 B2 B1 SC FW FW FW FW SC SC B1 B1 SC PoP 12hr 10 40 60 20 5 10 10 20 Rain shwrs C L C S S S Tstms C C C S S $$ VAZ506-232000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 736 AM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 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 98 73 88 63 91 Temp 83 95 97 97 91 82 78 75 76 82 86 87 83 74 68 64 69 82 88 91 86 Dewpt 67 70 70 70 70 71 71 69 65 60 58 56 56 58 58 57 59 58 56 56 57 RH 59 45 42 42 50 69 79 82 69 47 39 35 40 57 70 78 70 44 34 31 37 Wind dir SW SW SW SW SW SW SW W NW NW NW NW NW NW NW NW NW NW W SW S Wind spd 10 11 14 14 10 6 8 6 11 16 16 16 12 6 5 4 4 3 4 5 5 Clouds SC B1 B2 B2 B2 B2 B2 B1 FW FW SC SC FW FW FW CL CL CL FW FW FW PoP 12hr 40 40 5 0 0 QPF 12hr 0.16 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms C C C C Heat index 86102104104 97 86 82 82 Max heat 86 105 105 92 85 86 80 86 89 Heat Y Y Y Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 98 72 89 67 91 70 94 Temp 74 75 94 86 75 75 86 83 72 72 87 84 73 75 90 86 Dewpt 58 61 67 69 70 71 70 65 65 63 66 67 68 70 72 70 PWind dir S SW W NW N E SE S Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 B2 B2 SC SC SC FW FW SC SC SC SC SC PoP 12hr 5 30 60 30 10 10 20 20 Rain shwrs C L S S C S S Tstms C C S S S S $$ VAZ037-232000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 736 AM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 97 74 92 63 92 Temp 80 93 97 96 91 84 78 76 77 85 90 91 84 74 68 64 68 82 89 91 86 Dewpt 67 69 67 68 68 68 67 67 66 60 57 55 56 56 56 55 57 56 55 56 57 RH 65 46 38 40 47 59 69 74 69 43 33 30 38 53 65 73 68 41 32 31 37 Wind dir SW SW SW SW SW SW SW W NW NW NW NW N NW NW NW NW SW SW S S Wind spd 6 10 13 13 9 6 5 5 6 10 11 11 8 5 3 3 3 2 4 5 5 Clouds SC SC B2 B2 B1 B2 B1 SC FW FW FW FW FW CL CL CL CL CL FW FW FW PoP 12hr 30 40 5 0 0 QPF 12hr 0.05 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C Tstms C S S C Heat index 82 98101101 95 87 85 82 Max heat 82 101 102 91 89 89 81 87 89 Heat Y Y Y Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 98 72 93 68 92 71 95 Temp 73 73 94 88 77 75 89 84 73 73 88 85 75 73 91 87 Dewpt 57 61 64 64 67 69 68 65 65 64 64 65 67 68 69 68 PWind dir SW SW W N N E SE S Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC B1 B1 B1 SC SC FW FW SC SC SC SC SC PoP 12hr 0 30 50 40 10 20 20 20 Rain shwrs C C S S C S S S Tstms C C S C S S S $$ MDZ003-232000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 736 AM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 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 94 70 85 62 90 Temp 81 91 93 93 86 79 77 71 72 79 83 85 81 71 66 62 68 82 87 90 85 Dewpt 69 71 68 66 69 69 69 64 62 58 58 56 56 57 57 57 59 58 54 54 57 RH 67 52 44 41 57 72 76 79 71 49 43 37 42 61 73 84 73 44 32 30 39 Wind dir S SW SW SW W SW W W W NW NW NW NW NW NW NW W W SW SW S Wind spd 6 11 17 14 11 9 6 8 12 17 17 17 11 6 4 3 3 4 5 6 4 Wind gust 25 27 27 Clouds B1 B2 B2 B2 B2 B1 SC FW CL SC SC SC FW FW FW CL CL FW FW FW SC PoP 12hr 30 40 5 0 0 QPF 12hr 0.01 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C Tstms S C C C Heat index 84 98 97 96 90 83 81 82 Max heat 84 98 98 84 83 84 85 88 Heat Y Y Y Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 95 69 86 63 89 69 93 Temp 71 74 92 84 74 75 85 80 68 70 85 83 72 73 88 84 Dewpt 59 62 68 69 70 70 65 61 61 60 62 64 67 68 70 69 PWind dir S SW W NW N E SE S Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 B2 B1 SC FW FW FW FW SC SC SC B1 SC PoP 12hr 5 50 50 20 5 5 10 20 Rain shwrs C C S S S S Tstms C C S S $$ MDZ017-232000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 736 AM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 99 77 91 69 90 Temp 84 95 99 98 92 86 82 78 80 85 89 90 84 77 72 69 74 83 88 89 84 Dewpt 71 73 71 71 72 71 72 72 70 64 61 61 62 60 59 59 61 59 59 59 63 RH 65 49 41 42 52 61 72 82 72 50 39 38 48 56 64 70 64 44 38 37 49 Wind dir SW SW SW SW SW SW SW SW W NW NW NW NW NW NW NW NW NW W S S Wind spd 13 13 16 16 11 12 12 11 11 13 13 14 11 10 9 8 8 5 5 6 8 Clouds FW SC B2 B2 B2 B2 B1 B2 B1 SC SC FW SC FW FW CL CL CL FW FW FW PoP 12hr 30 50 20 0 0 QPF 12hr 0.01 0.04 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C S Tstms C C C C C S Heat index 89105108106100 91 87 83 86 89 90 85 83 85 Max heat 89 108 108 96 83 89 90 83 87 88 Heat Y Y Y Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 96 75 89 72 88 73 89 Temp 76 78 91 86 77 79 85 82 75 77 86 82 75 79 87 83 Dewpt 63 67 69 71 69 72 72 68 70 67 68 69 69 71 72 70 PWind dir S S SW N N E SE SE Wind char GN GN LT LT LT GN LT GN Avg clouds FW SC SC SC B1 B2 B1 B1 SC FW FW SC SC SC SC SC PoP 12hr 5 20 50 40 20 20 10 20 Rain shwrs S C C S C S S S Tstms S C C S C S S $$ WVZ502-232000- Petersburg WV 38.99N 79.15W Elev. 963 ft 736 AM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 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 94 66 85 56 91 Temp 76 89 94 93 85 77 72 68 68 76 83 84 78 65 59 56 61 77 87 91 83 Dewpt 69 68 66 66 69 69 67 64 62 59 57 56 58 58 57 55 57 57 56 57 61 RH 79 50 40 41 59 76 84 87 81 56 41 38 50 78 93 96 87 50 35 32 47 Wind dir S W W W SW SW SW W NW NW NW NW NW NW W W SW SW SW W SW Wind spd 5 10 12 11 6 5 5 4 6 11 12 12 6 3 2 2 2 2 3 4 2 Wind gust 21 Clouds B1 B2 OV B2 B2 B2 SC SC SC SC SC SC FW FW CL FW FW CL FW FW FW PoP 12hr 40 50 10 0 0 QPF 12hr 0.03 0.04 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms C C C C Heat index 93 97 96 89 83 Max heat 97 97 83 82 84 86 90 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 94 66 87 60 91 66 94 Temp 67 70 91 81 70 70 84 77 65 66 86 81 69 71 90 84 Dewpt 59 62 67 69 68 69 67 63 63 63 64 66 66 68 70 70 PWind dir SW SW W NW N SE S S Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 B2 B2 B1 FW FW SC FW SC SC SC SC SC PoP 12hr 10 50 60 30 5 10 10 30 Rain shwrs C L C S C C Tstms C C S S S C $$ MDZ014-232000- Annapolis MD 38.99N 76.49W Elev. 7 ft 736 AM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 96 78 89 71 89 Temp 83 92 96 95 90 84 81 79 79 84 87 88 83 78 74 71 75 83 87 88 85 Dewpt 70 72 70 72 72 72 72 70 66 61 59 58 57 60 60 59 59 59 59 58 62 RH 65 52 43 48 56 67 74 74 64 46 39 36 41 54 62 66 58 44 39 36 46 Wind dir SW SW SW SW SW SW SW W W NW NW NW NW NW NW NW NW NW S S S Wind spd 10 11 14 13 11 6 9 8 11 14 16 14 13 10 8 6 6 5 6 8 8 Clouds SC SC B1 B2 B2 B2 B2 B2 FW FW FW SC SC FW FW CL CL CL CL FW FW PoP 12hr 40 60 5 0 0 QPF 12hr 0.10 0.07 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C Tstms C C L C C Heat index 87100103104 97 90 85 84 83 86 Max heat 87 103 104 94 86 87 81 86 87 Heat Y Y Y Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 94 75 88 72 87 74 89 Temp 77 78 90 85 79 78 85 83 75 75 84 82 75 77 85 83 Dewpt 64 63 69 71 71 71 70 66 67 64 66 67 69 70 72 71 PWind dir S S SW N N E SE S Wind char GN GN LT LT LT LT LT GN Avg clouds SC SC SC SC B1 B2 B1 SC FW FW FW FW SC B1 SC SC PoP 12hr 5 30 60 30 10 10 10 20 Rain shwrs C L C S C S Tstms C C C S S S $$