Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
832 FOUS51 KLWX 190839 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 439 AM EDT Wed Jun 19 2024 VAZ054-192000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 439 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 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 91 72 92 74 97 Temp 72 76 85 90 91 85 78 74 72 77 85 90 92 87 80 78 74 80 89 96 97 90 Dewpt 65 66 65 62 62 61 64 65 65 66 65 63 62 63 65 65 65 66 66 65 65 66 RH 79 71 51 39 38 45 62 74 79 69 51 41 37 45 60 64 74 62 47 36 35 45 Wind dir S S S SE SE SE SE S S S S S S S S S S SW S S S S Wind spd 6 8 6 9 10 10 10 8 6 6 5 8 9 9 10 9 8 6 5 6 6 8 Clouds SC SC FW FW FW FW FW FW SC FW SC SC SC SC SC SC FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 87 90 92 85 87 91 93 88 82 82 92 99100 93 Max heat 90 92 83 91 93 85 82 99 100 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 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 77 97 79 99 78 94 74 93 Temp 78 81 95 90 81 82 96 90 82 80 91 86 77 76 89 86 Dewpt 68 69 68 70 70 71 68 68 70 69 63 61 63 62 60 61 PWind dir S S S SW SW W NW NW Wind char GN LT LT GN GN GN LT LT Avg clouds SC FW SC SC SC SC B1 B1 B2 B1 SC SC FW FW FW FW PoP 12hr 5 10 10 20 50 40 10 5 Rain shwrs S C C S C Tstms S C C S C $$ MDZ013-192000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 439 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 70 90 72 95 Temp 70 75 85 90 90 82 75 72 70 74 85 89 90 83 77 74 72 77 88 94 95 86 Dewpt 65 67 66 61 59 63 65 65 65 68 67 65 63 64 66 66 65 67 68 67 66 68 RH 84 76 53 38 35 53 71 79 84 82 55 45 41 53 69 76 79 71 52 41 39 55 Wind dir S S SE SE SE S S S S S S SE SE S S S S SW S S S SE Wind spd 4 4 6 10 11 10 6 4 4 3 6 9 10 9 6 5 4 4 5 8 9 9 Clouds SC SC FW FW CL CL FW FW FW FW SC SC SC B1 SC SC SC SC SC FW FW SC PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 87 90 83 88 91 91 84 92 98 98 89 Max heat 90 90 82 91 91 83 98 99 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 95 76 98 76 93 70 91 Temp 74 78 93 86 77 80 95 87 78 79 89 85 73 73 87 84 Dewpt 70 71 70 71 71 71 70 70 71 70 64 62 63 63 61 62 PWind dir S S S SW SW W NW W Wind char LT LT LT GN LT GN LT LT Avg clouds SC SC SC B1 B1 B1 B1 B2 B2 B1 SC SC FW FW FW FW PoP 12hr 10 20 20 30 50 40 10 5 Rain shwrs S S C C C C C Tstms S S C C C S C $$ MDZ011-192000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 439 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 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 93 74 93 77 98 Temp 75 79 88 92 93 87 79 76 74 78 87 92 93 88 82 81 77 83 92 97 98 91 Dewpt 65 65 63 59 58 61 65 65 65 65 64 62 61 62 65 65 65 65 66 65 65 66 RH 71 62 43 33 31 42 62 69 74 64 46 37 35 42 56 58 67 55 43 35 34 44 Wind dir S S SE SE SE S S S SW S S SE SE S S S S SW S S S S Wind spd 4 4 8 10 11 10 6 5 4 4 6 9 10 9 5 5 3 4 5 8 9 9 Clouds SC SC FW FW CL FW FW FW FW FW SC SC SC SC SC SC SC SC FW FW FW SC PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 89 87 88 93 93 88 84 83 85 95100101 94 Max heat 92 92 85 93 93 87 85 100 101 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 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 98 81 101 79 95 74 94 Temp 79 80 95 89 82 83 97 90 83 80 91 86 78 76 90 85 Dewpt 69 69 68 68 71 70 68 68 69 67 62 61 62 61 60 61 PWind dir S S S SW SW W NW W Wind char LT LT LT GN LT GN LT LT Avg clouds SC SC SC B1 SC B1 B1 B2 B2 B1 SC SC FW FW FW FW PoP 12hr 10 20 20 30 50 40 10 5 Rain shwrs S S C C C C C Tstms S S C C C S C $$ WVZ052-192000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 439 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 66 90 70 94 Temp 67 72 83 89 90 82 74 70 66 72 84 89 90 85 77 73 70 76 88 94 94 84 Dewpt 63 63 65 62 61 61 62 62 61 64 64 63 62 64 64 64 63 65 67 65 65 68 RH 87 73 55 41 38 49 66 76 84 76 51 42 39 50 64 73 78 69 50 39 39 59 Wind dir SE SE SE SE SE SE S SE S S SE SE SE SE S S S S S SE SE SE Wind spd 3 3 6 9 10 8 5 4 2 2 5 8 8 6 4 3 2 1 4 6 6 4 Clouds B1 SC FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC FW FW FW SC SC PoP 12hr 0 0 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Heat index 85 89 90 83 85 90 90 86 91 97 97 87 Max heat 89 90 90 91 83 97 97 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 93 70 95 69 88 63 89 Temp 69 77 92 85 74 77 92 85 73 76 85 81 67 70 85 82 Dewpt 69 70 68 68 69 69 64 64 65 66 60 59 60 60 57 59 PWind dir S S S SW W W NW W Wind char LT LT LT LT LT GN LT LT Avg clouds SC SC SC SC SC SC B1 B1 B2 B1 SC FW FW FW FW FW PoP 12hr 10 20 20 30 50 30 5 5 Rain shwrs S S C C C S C Tstms S S C C C S C $$ VAZ506-192000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 439 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 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 91 68 92 72 97 Temp 69 74 84 90 91 83 75 71 68 73 85 91 92 87 79 75 72 77 89 96 97 88 Dewpt 65 66 68 63 62 63 65 65 65 67 67 65 64 65 66 65 65 67 68 67 66 68 RH 87 76 59 41 38 51 71 81 90 81 55 42 40 48 64 71 79 71 50 39 36 52 Wind dir S S SE SE SE SE SE S S S S S S S S S S S S S S S Wind spd 4 5 6 9 10 10 8 4 4 4 5 8 8 8 5 5 4 4 5 6 6 5 Clouds SC SC FW FW FW FW FW FW SC FW SC SC SC SC SC FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 87 91 92 84 88 93 94 89 93100101 92 Max heat 91 92 82 93 94 86 100 101 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 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 97 75 99 74 93 67 92 Temp 74 78 95 87 77 80 96 87 78 78 89 84 71 73 88 85 Dewpt 68 71 71 71 70 71 69 69 69 70 63 62 62 63 61 62 PWind dir S SW S SW SW NW NW NW Wind char LT LT LT LT LT GN LT LT Avg clouds SC FW FW SC SC SC B1 B1 B2 B1 SC FW FW FW FW FW PoP 12hr 10 20 20 30 50 30 10 5 Rain shwrs S S C C S S C Tstms S S C C S S C $$ VAZ037-192000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 439 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 69 92 71 96 Temp 69 73 85 90 92 86 76 72 69 74 84 91 92 87 78 75 71 77 88 95 96 88 Dewpt 63 64 65 63 62 62 62 62 62 64 64 63 63 64 64 63 63 65 66 65 65 66 RH 81 73 51 41 37 45 62 71 78 71 51 40 38 46 62 66 76 67 48 37 36 48 Wind dir E S SE SE SE SE SE S S S SE SE SE S S S SW SW S S S S Wind spd 2 2 5 8 9 6 2 1 1 2 4 5 6 6 2 2 2 2 5 6 6 5 Clouds SC SC FW FW FW FW FW FW FW FW SC SC SC SC FW FW FW FW FW SC FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 87 91 93 86 85 92 93 88 90 98 99 90 Max heat 91 93 83 92 93 85 98 99 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 98 74 100 74 95 68 94 Temp 74 78 96 90 78 79 96 90 79 77 91 85 73 73 90 86 Dewpt 65 67 66 68 67 68 66 66 66 67 61 60 60 61 60 61 PWind dir SW SW SW SW SW W NW W Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC SC B1 B1 SC SC FW FW FW FW SC PoP 12hr 0 20 10 20 40 30 10 5 Rain shwrs S S C S S C Tstms S S C S C $$ MDZ003-192000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 439 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 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 91 68 92 72 96 Temp 69 73 83 90 91 85 75 71 68 73 84 90 92 87 80 77 72 79 88 95 96 85 Dewpt 62 66 68 66 63 63 62 62 63 66 67 66 64 65 66 65 65 67 69 67 67 70 RH 78 79 61 45 40 48 64 73 84 79 57 45 40 48 62 67 79 67 54 40 39 61 Wind dir SE S S S S SE SE S SE S S S S S S S S S S S S S Wind spd 5 4 6 9 10 9 5 5 3 4 5 8 8 6 4 4 3 2 5 6 6 5 Clouds B1 SC FW SC FW FW FW FW FW SC SC SC SC SC SC FW SC FW FW SC SC SC PoP 12hr 0 0 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Heat index 86 93 92 86 87 93 94 89 82 92 99100 90 Max heat 93 93 83 93 94 86 99 100 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 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 71 95 73 96 71 89 64 89 Temp 72 78 93 87 76 78 94 86 75 76 86 81 68 70 86 84 Dewpt 71 72 71 71 71 71 67 66 67 68 61 60 61 62 59 60 PWind dir S S S SW SW W NW W Wind char LT LT LT LT LT GN LT LT Avg clouds SC SC SC SC SC SC B1 B1 B2 B1 SC FW FW FW FW FW PoP 12hr 20 30 20 30 50 20 5 5 Rain shwrs S C S C C S S S Tstms S C S C C S S S $$ MDZ017-192000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 439 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 73 87 74 91 Temp 73 78 84 88 88 83 76 74 73 77 84 87 87 82 78 75 74 78 86 91 91 84 Dewpt 65 67 67 65 66 66 66 66 67 69 67 66 66 66 66 67 66 67 68 68 69 69 RH 76 69 57 47 48 57 71 76 81 76 57 50 50 58 67 76 76 69 55 47 49 61 Wind dir S S SE SE SE SE S S S S SE SE SE S S S SW SW S SE SE S Wind spd 6 5 8 10 13 12 10 6 5 3 8 9 11 12 10 9 8 8 6 10 12 12 Clouds FW FW SC FW CL FW SC SC FW FW FW SC SC SC SC FW FW SC FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 87 90 90 85 87 89 89 84 89 95 96 88 Max heat 90 90 83 89 89 83 95 96 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 93 77 97 77 93 72 89 Temp 76 79 90 85 78 82 93 87 79 81 89 84 75 76 86 82 Dewpt 68 70 71 71 69 71 72 71 71 72 68 68 65 65 63 65 PWind dir S S S S SW W NW E Wind char GN GN GN GN GN GN LT LT Avg clouds FW FW FW SC SC SC SC B1 B1 B1 SC SC SC FW FW FW PoP 12hr 0 5 10 20 50 40 20 5 Rain shwrs S C C C C S Tstms S C C S C S $$ WVZ502-192000- Petersburg WV 38.99N 79.15W Elev. 963 ft 439 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 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 92 67 92 70 95 Temp 68 72 85 91 92 84 74 70 67 72 84 91 92 84 75 71 70 75 88 95 95 83 Dewpt 65 66 68 64 63 65 64 62 60 64 66 64 65 68 66 65 63 67 69 67 69 71 RH 90 81 57 41 38 53 71 76 78 76 55 41 41 59 74 81 78 76 54 40 43 67 Wind dir S S E SE SE SE S S SW SW E E SE SE S SW SW SW N N N NW Wind spd 2 2 4 8 9 6 3 3 2 1 4 5 8 5 2 3 2 1 4 5 5 4 Clouds B1 SC FW FW FW SC FW FW FW FW SC SC SC SC SC FW SC SC FW SC SC SC PoP 12hr 0 0 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Heat index 88 93 93 86 86 93 94 87 92 99101 88 Max heat 93 93 83 93 94 84 99 101 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 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 68 96 70 95 67 88 61 91 Temp 68 74 92 85 73 75 91 82 71 70 84 78 65 66 87 82 Dewpt 68 69 69 71 67 68 66 66 65 66 61 61 59 60 58 62 PWind dir W W SW SW W W W W Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC SC B1 B1 B1 B1 B1 SC FW FW FW FW FW PoP 12hr 10 20 10 40 50 30 5 5 Rain shwrs S C C C S C Tstms S C C C S C $$ MDZ014-192000- Annapolis MD 38.99N 76.49W Elev. 7 ft 439 AM EDT Wed Jun 19 2024 Date Wed 06/19/24 Thu 06/20/24 Fri 06/21/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 73 86 74 90 Temp 73 76 82 85 86 81 77 74 73 76 83 86 86 82 77 76 74 78 85 90 90 84 Dewpt 68 67 67 66 64 66 67 68 67 68 67 67 66 67 68 68 67 67 69 70 69 70 RH 84 74 61 53 48 60 71 82 81 76 59 53 51 61 74 76 79 69 59 52 50 63 Wind dir S S S S S S S S SW S S S S S S S SW SW S S S S Wind spd 6 5 8 10 11 11 10 6 5 4 6 9 11 10 10 8 6 5 5 9 11 10 Clouds SC SC FW FW CL CL FW FW FW FW SC SC SC SC SC SC FW SC FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 85 87 87 83 86 89 88 85 89 96 95 88 Max heat 87 88 82 89 89 83 96 96 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 91 78 95 78 91 72 88 Temp 75 79 89 85 79 81 91 86 79 79 86 84 75 75 84 82 Dewpt 70 70 72 71 72 72 72 72 71 70 68 66 65 64 65 65 PWind dir S S S S SW W NW E Wind char GN LT LT GN GN GN LT LT Avg clouds SC SC SC SC SC SC B1 B1 B2 B1 SC FW FW FW FW FW PoP 12hr 5 10 20 20 50 40 20 5 Rain shwrs S S C C C C S Tstms S S C C S C S $$