Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
050 FOUS51 KLWX 201646 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1246 PM EDT Thu Jun 20 2024 VAZ054-202000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1246 PM EDT Thu Jun 20 2024 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 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 72 96 77 100 Temp 89 90 86 79 76 72 77 88 95 96 92 84 79 77 83 91 99 99 92 Dewpt 63 62 62 64 64 64 65 66 65 64 66 67 67 67 66 67 67 67 69 RH 42 39 45 60 66 76 67 48 37 35 43 57 67 71 57 45 36 36 47 Wind dir S S S S S S S S S S S S S S SW SW S S S Wind spd 6 10 10 8 5 5 6 6 6 9 10 9 6 6 6 5 6 8 9 Clouds SC B1 SC FW FW FW FW FW FW FW FW FW FW FW CL FW FW SC SC PoP 12hr 0 0 0 5 30 QPF 12hr 0 0 0 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms C C Heat index 90 90 87 81 90 98 98 94 86 81 85 95104104 97 Max heat 90 91 86 98 98 91 85 104 105 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 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 81 101 79 95 73 95 75 98 Temp 83 85101 92 82 82 95 88 77 78 93 88 77 80 97 90 Dewpt 69 70 68 69 71 72 67 65 63 62 59 62 65 66 65 67 PWind dir S SW SW W NW W S SW Wind char GN GN GN GN LT LT LT LT Avg clouds SC SC SC B2 B2 B1 SC SC FW FW FW FW FW SC SC B1 PoP 12hr 10 30 50 40 10 5 10 20 Rain shwrs C C C S C S Tstms C C C S C S $$ MDZ013-202000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1246 PM EDT Thu Jun 20 2024 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 69 95 73 97 Temp 89 89 83 76 71 69 75 88 94 95 88 79 74 73 79 91 97 96 90 Dewpt 64 63 63 66 65 64 67 68 66 66 67 68 68 67 67 70 69 69 70 RH 44 42 51 71 81 84 76 52 40 39 50 69 82 81 67 50 40 42 52 Wind dir S S S S S SW SW S S S S S S S SW S S S S Wind spd 6 8 5 4 3 2 2 4 5 6 6 5 3 2 2 3 5 5 5 Clouds SC SC B1 SC FW FW FW FW FW FW FW FW SC FW FW FW SC SC SC PoP 12hr 0 0 5 5 30 QPF 12hr 0 0 0 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S Tstms C C S Heat index 90 90 84 92 97 98 91 97103102 96 Max heat 90 90 82 97 98 88 103 103 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 99 75 93 69 93 71 97 Temp 79 83 99 89 78 78 93 86 73 74 91 87 73 77 97 88 Dewpt 71 71 70 71 71 72 69 67 64 63 62 63 66 69 68 69 PWind dir S SW SW W NW W S SW Wind char LT GN LT GN LT LT LT LT Avg clouds SC SC SC B2 OV B1 SC SC FW FW FW FW SC SC SC B1 PoP 12hr 20 30 60 40 10 5 10 20 Rain shwrs S C L C C C S Tstms S C C C C C S $$ MDZ011-202000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1246 PM EDT Thu Jun 20 2024 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 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 75 97 79 100 Temp 90 91 86 81 77 75 79 92 96 97 90 85 80 79 84 93 99 99 90 Dewpt 62 60 61 64 64 64 64 66 65 64 66 67 67 67 66 67 67 67 68 RH 39 36 43 56 64 69 60 43 36 34 45 55 65 67 55 43 36 36 49 Wind dir SE SE S S S S SW S SE SE S S S S SW S S S S Wind spd 6 6 5 3 2 2 2 3 6 6 5 4 2 2 2 3 5 5 5 Clouds SC SC SC FW FW FW FW FW FW FW FW FW SC FW FW FW SC SC SC PoP 12hr 0 0 5 5 30 QPF 12hr 0 0 0 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S Tstms C C S Heat index 90 91 86 83 81 94 99 99 93 87 83 81 86 97104104 95 Max heat 91 92 85 81 99 99 92 86 104 105 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 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 82 103 81 96 74 95 76 99 Temp 83 87103 92 84 83 96 85 77 77 92 87 77 80 98 87 Dewpt 70 69 68 69 69 69 66 65 62 60 59 61 64 66 66 67 PWind dir S SW SW W NW W S SW Wind char LT GN LT GN LT LT LT LT Avg clouds SC SC SC B2 B2 B1 SC FW FW FW FW FW SC SC SC B1 PoP 12hr 20 30 60 40 10 5 10 20 Rain shwrs S C L C C C S Tstms S C C C C C S $$ WVZ052-202000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1246 PM EDT Thu Jun 20 2024 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 65 94 70 95 Temp 87 89 85 75 68 65 72 86 93 94 88 78 73 70 76 89 95 95 90 Dewpt 63 62 64 63 63 62 65 66 65 64 67 67 67 67 68 69 66 67 69 RH 45 41 50 66 84 90 79 51 40 37 50 69 81 90 76 52 39 40 50 Wind dir SE S SE S S N N S S S S S S N N W W SW S Wind spd 5 5 4 2 2 0 0 1 2 3 2 2 1 0 0 1 2 3 2 Clouds SC SC FW FW FW FW FW FW FW FW SC SC FW FW FW FW SC SC SC PoP 12hr 0 0 10 10 30 QPF 12hr 0 0 0 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms C C Heat index 88 89 87 88 95 96 91 93 98 98 94 Max heat 88 89 81 95 96 85 98 99 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 96 70 89 63 91 66 94 Temp 76 78 96 89 74 76 89 84 67 71 89 86 68 73 93 88 Dewpt 69 69 66 65 67 68 62 60 59 60 57 60 61 63 62 64 PWind dir SW SW SW W NW W SW W Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC SC B1 B2 SC FW FW FW FW FW FW SC SC SC SC PoP 12hr 10 30 50 20 5 5 10 20 Rain shwrs C C C S S S Tstms C C C S S S $$ VAZ506-202000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1246 PM EDT Thu Jun 20 2024 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 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 95 73 99 Temp 89 90 85 76 71 69 74 87 94 95 91 81 76 73 79 93 98 98 91 Dewpt 66 65 65 66 65 64 67 68 67 67 68 68 67 66 68 70 70 69 71 RH 47 44 51 71 81 84 79 53 41 40 47 65 74 79 69 47 41 39 52 Wind dir S S S S S S S S S S S S S S SW SW SW S S Wind spd 4 5 4 4 3 2 2 2 3 4 4 3 3 2 2 2 3 3 3 Clouds B1 SC SC FW FW FW FW FW SC FW FW FW FW FW FW FW SC SC SC PoP 12hr 0 0 5 5 30 QPF 12hr 0 0 0 0 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms C C Heat index 92 92 87 91 98 99 95 83 99106105 98 Max heat 92 93 83 98 99 90 106 106 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 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 99 74 94 68 93 71 98 Temp 77 81 99 89 76 79 94 86 72 73 92 87 72 77 98 88 Dewpt 69 72 70 70 71 72 68 66 63 63 62 64 65 67 66 69 PWind dir S SW SW W NW W S SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC B2 B2 B1 FW FW FW FW FW FW FW SC SC B1 PoP 12hr 10 30 60 30 10 5 10 20 Rain shwrs C L C S C S Tstms C C C S C S $$ VAZ037-202000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1246 PM EDT Thu Jun 20 2024 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 68 96 72 99 Temp 89 90 85 77 71 68 74 88 95 96 89 80 74 72 78 93 99 97 90 Dewpt 63 63 64 63 63 62 64 66 64 64 66 65 64 64 65 67 65 67 67 RH 42 41 50 62 76 81 71 48 36 35 47 60 71 76 64 43 33 38 47 Wind dir SE SE S S S S S S S S S S SW SW SW S S SW SW Wind spd 3 4 4 2 1 1 1 2 3 4 4 3 2 2 1 2 3 4 3 Clouds SC SC SC FW FW FW FW FW SC FW FW FW FW FW CL FW SC SC FW PoP 12hr 0 0 5 5 30 QPF 12hr 0 0 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms C C Heat index 90 91 87 91 97 98 91 82 97102102 93 Max heat 90 91 84 97 99 87 102 103 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 100 75 96 68 95 70 99 Temp 77 81100 89 78 79 96 86 72 73 92 86 72 76 98 88 Dewpt 67 69 66 67 67 69 64 63 61 62 59 62 62 64 63 64 PWind dir SW SW SW W NW SW SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW SC B2 B1 SC FW FW FW FW FW FW FW FW SC B1 PoP 12hr 5 20 40 30 10 5 10 20 Rain shwrs S C S C S Tstms S C S C S $$ MDZ003-202000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1246 PM EDT Thu Jun 20 2024 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 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 67 94 72 97 Temp 89 91 86 76 71 68 75 88 94 94 90 80 76 72 78 91 97 97 92 Dewpt 66 64 65 66 64 64 67 69 68 66 69 69 69 68 70 71 69 69 70 RH 47 41 50 71 79 87 76 54 43 40 50 69 79 87 76 52 40 40 49 Wind dir S S SE S S S S S S SW SE S S S SW W W SW S Wind spd 5 5 3 3 2 2 1 2 4 4 3 2 2 1 1 2 4 4 2 Clouds SC SC FW FW FW FW FW FW FW SC SC SC FW FW FW FW SC SC SC PoP 12hr 0 0 20 10 30 QPF 12hr 0 0 0.01 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C Tstms S S C C Heat index 92 93 88 92 99 97 94 82 98103103 98 Max heat 92 93 83 99 98 89 103 103 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 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 97 72 90 65 92 68 96 Temp 78 80 97 87 76 78 90 84 69 72 90 87 72 75 95 88 Dewpt 71 72 68 67 69 70 66 62 61 62 59 63 63 66 65 66 PWind dir S SW SW W NW W S W Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC SC B1 B2 SC FW FW FW FW FW FW SC SC SC SC PoP 12hr 10 30 40 20 0 5 10 20 Rain shwrs C C C S S S Tstms C C C S S S $$ MDZ017-202000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1246 PM EDT Thu Jun 20 2024 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 70 90 74 94 Temp 84 85 82 76 72 70 76 86 90 89 83 78 75 74 81 91 94 93 86 Dewpt 66 65 66 66 66 65 67 68 68 68 69 68 68 68 70 70 70 70 71 RH 55 51 58 71 81 84 74 55 49 50 63 71 79 82 69 50 46 47 61 Wind dir SE SE S S S SW SW S SE SE S S S S SW S S S S Wind spd 9 10 9 8 5 5 5 5 10 10 10 9 6 5 5 5 9 10 10 Clouds FW FW SC SC SC FW SC FW FW FW FW CL FW FW FW CL FW FW FW PoP 12hr 0 0 0 0 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Heat index 86 87 84 90 94 93 87 84 96100 98 91 Max heat 87 87 82 94 95 84 84 100 100 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 98 77 93 72 91 73 96 Temp 80 84 97 87 79 83 93 83 73 77 90 84 74 80 95 87 Dewpt 70 72 72 72 71 74 72 71 67 66 64 67 67 70 69 71 PWind dir S S SW SW NW SW S S Wind char GN GN GN GN LT LT LT GN Avg clouds FW SC FW B1 B2 B2 SC SC SC FW FW FW FW FW FW SC PoP 12hr 5 20 50 50 20 5 10 20 Rain shwrs S C C C C S S Tstms S C C C C S S $$ WVZ502-202000- Petersburg WV 38.99N 79.15W Elev. 963 ft 1246 PM EDT Thu Jun 20 2024 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 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 66 94 68 97 Temp 89 91 85 73 69 66 72 87 93 93 85 76 71 68 74 90 96 96 87 Dewpt 65 64 67 66 64 62 67 68 68 68 72 70 68 66 68 70 68 67 70 RH 45 41 55 79 84 87 84 53 44 44 65 82 90 93 82 52 40 39 57 Wind dir E E SE SE S S SW E NW W N W SW SW SW W W W SW Wind spd 2 3 2 2 2 2 1 1 2 2 2 2 2 1 1 1 2 2 2 Clouds SC SC FW SC FW SC FW FW SC SC SC SC FW FW FW FW SC SC SC PoP 12hr 0 0 30 10 20 QPF 12hr 0 0 0.09 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S Tstms C C S S Heat index 91 93 87 90 97 97 91 96101100 92 Max heat 91 93 82 97 99 85 101 101 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 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 70 94 69 89 61 93 65 94 Temp 73 76 93 85 72 73 88 81 66 69 91 83 67 71 93 84 Dewpt 68 69 68 67 67 68 65 62 61 61 60 64 60 63 66 67 PWind dir SW SW SW W W W SW W Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC B2 B1 SC SC FW FW FW FW FW SC SC SC B1 PoP 12hr 5 30 50 20 5 10 10 30 Rain shwrs C C C S S C Tstms C C C S S C $$ MDZ014-202000- Annapolis MD 38.99N 76.49W Elev. 7 ft 1246 PM EDT Thu Jun 20 2024 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 72 89 75 94 Temp 84 85 81 77 73 72 77 84 88 88 83 79 76 75 80 89 92 94 87 Dewpt 66 65 67 68 67 66 67 69 70 68 69 70 70 68 68 70 71 70 71 RH 55 51 63 74 81 81 71 61 55 52 63 74 82 79 67 54 51 46 59 Wind dir SE S S S S S SW S S S S S S S SW S S S S Wind spd 9 10 9 6 5 4 4 6 10 10 10 8 5 4 3 5 9 10 9 Clouds SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC PoP 12hr 0 0 0 5 20 QPF 12hr 0 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S S Heat index 86 87 84 88 93 91 87 83 94100100 93 Max heat 86 87 83 93 94 85 83 100 101 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 96 78 91 73 89 74 94 Temp 80 84 96 87 79 82 90 84 75 77 87 83 75 78 93 87 Dewpt 72 72 72 73 72 72 70 69 66 64 64 66 67 68 70 70 PWind dir S S SW W NW SW S S Wind char LT GN LT GN LT LT LT GN Avg clouds SC SC SC B1 B2 B1 SC SC FW FW FW FW FW SC SC SC PoP 12hr 20 30 60 40 10 5 10 20 Rain shwrs S C L C C C S Tstms S C C C C C S $$