Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
696 FOUS51 KLWX 172349 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 749 PM EDT Mon Jun 17 2024 VAZ054-180800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 749 PM EDT Mon Jun 17 2024 Date 06/17/24 Tue 06/18/24 Wed 06/19/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 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 73 93 70 91 70 Temp 85 79 76 74 76 86 91 91 86 77 74 72 73 82 88 90 85 77 73 70 75 Dewpt 69 66 66 65 66 66 67 65 63 63 65 64 66 65 64 63 64 65 66 66 66 RH 59 64 71 74 71 51 45 42 46 62 74 76 79 56 45 41 50 67 79 87 74 Wind dir S S S S S S S SE SE S S S S S SE SE SE SE S S S Wind spd 12 10 9 8 9 8 10 12 11 9 6 5 6 6 9 10 10 8 6 6 4 Clouds FW SC SC SC SC SC SC SC FW SC SC SC SC SC SC SC 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 89 88 94 93 87 84 89 91 86 Max heat 93 86 94 96 84 89 91 83 Date 06/20 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 93 73 97 77 100 78 99 78 94 Temp 90 88 76 77 95 91 79 81 97 89 80 80 97 89 80 80 92 85 Dewpt 64 64 65 66 64 64 67 68 66 67 70 70 67 68 70 70 67 65 PWind dir S S S S S S S SW SW Wind char LT LT LT LT LT LT GN GN GN Avg clouds FW FW FW FW SC SC FW FW FW SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 0 0 5 10 10 10 20 30 40 Rain shwrs S C S C Tstms S C C $$ MDZ013-180800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 749 PM EDT Mon Jun 17 2024 Date 06/17/24 Tue 06/18/24 Wed 06/19/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 92 66 90 68 Temp 82 76 73 71 74 85 90 91 84 75 70 67 71 81 87 89 83 74 71 68 72 Dewpt 66 66 65 64 66 67 67 65 64 64 65 65 67 66 63 62 64 65 66 65 67 RH 58 71 76 79 76 55 47 42 51 69 84 93 87 60 45 41 53 74 84 90 84 Wind dir S S S S S S SE SE S S S S S SE SE SE SE S S SW S Wind spd 12 5 4 4 6 5 9 11 10 6 4 4 4 5 8 9 8 6 5 5 2 Wind gust 23 Clouds FW SC SC SC SC SC SC FW FW SC SC SC SC SC SC SC SC SC SC FW SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 84 88 93 93 85 83 88 89 84 Max heat 86 93 93 88 90 82 Date 06/20 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 92 69 95 74 97 74 97 75 92 Temp 89 85 71 74 93 89 77 78 95 87 75 77 94 86 77 78 91 84 Dewpt 66 65 66 67 66 67 68 70 68 70 71 71 68 70 70 70 68 65 PWind dir S S S S S S S SW SW Wind char LT LT LT LT LT LT LT LT GN Avg clouds FW FW FW SC SC SC SC SC SC SC B1 SC SC B1 B2 B1 B1 B1 PoP 12hr 0 0 5 10 20 10 20 30 40 Rain shwrs S S C S C Tstms S S C S C $$ MDZ011-180800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 749 PM EDT Mon Jun 17 2024 Date 06/17/24 Tue 06/18/24 Wed 06/19/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 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 74 95 73 93 74 Temp 81 78 76 74 76 87 92 93 86 81 76 74 73 86 91 92 87 81 77 74 78 Dewpt 67 67 65 65 65 65 66 65 64 64 64 65 65 64 62 61 63 65 65 66 65 RH 63 69 69 74 69 48 43 40 48 56 66 74 76 48 38 36 45 58 67 76 64 Wind dir S SE SE SE S S SE SE S S S S S SE SE SE SE S S SW S Wind spd 11 6 4 4 5 5 9 11 9 8 4 3 4 6 9 9 8 6 5 5 2 Clouds FW SC SC SC SC SC SC FW FW SC SC B1 SC SC SC SC SC SC 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 83 89 95 95 87 83 87 92 92 88 83 Max heat 86 95 97 85 92 92 86 Date 06/20 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 95 76 98 79 100 79 99 80 96 Temp 93 87 77 79 95 90 81 82 97 88 80 81 96 87 81 82 94 85 Dewpt 64 62 65 65 65 64 67 68 66 68 70 69 66 67 68 68 65 64 PWind dir S S S S S S S SW SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC SC SC SC SC B1 SC SC B1 B1 B1 B1 B1 PoP 12hr 0 0 5 10 20 20 20 30 40 Rain shwrs S S S C S C Tstms S S S C S C $$ WVZ052-180800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 749 PM EDT Mon Jun 17 2024 Date 06/17/24 Tue 06/18/24 Wed 06/19/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 93 64 91 63 Temp 84 76 72 69 74 85 90 92 88 77 71 66 71 81 88 91 85 74 69 64 70 Dewpt 67 69 68 67 68 70 68 66 66 64 62 62 64 65 64 62 63 63 63 63 64 RH 57 79 87 93 82 61 49 43 48 64 73 87 79 58 45 38 48 69 81 97 81 Wind dir SE S S S S SE SE SE SE SE SE S SE SE SE SE SE SE S S S Wind spd 6 4 3 2 3 6 10 10 9 5 4 3 3 4 8 8 5 5 5 4 1 Clouds FW FW FW SC FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW PoP 12hr 5 5 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Heat index 87 90 94 95 90 83 89 92 86 Max heat 90 82 94 96 83 89 92 83 Heat Y Y Date 06/20 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 92 66 95 69 96 69 95 69 89 Temp 88 87 69 72 93 89 73 76 93 87 72 75 92 86 73 74 87 83 Dewpt 63 64 63 65 63 64 65 66 64 67 67 67 64 65 65 66 63 62 PWind dir SE S SE S SW S SW SW W Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC SC FW FW SC B1 SC SC B1 B1 B1 B1 SC PoP 12hr 0 5 10 10 20 10 20 30 40 Rain shwrs S S C S C C Tstms S S C S S C $$ VAZ506-180800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 749 PM EDT Mon Jun 17 2024 Date 06/17/24 Tue 06/18/24 Wed 06/19/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 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 70 95 66 92 66 Temp 86 79 75 72 75 87 93 95 89 77 71 67 71 83 90 91 86 75 70 67 72 Dewpt 70 69 67 65 66 68 68 68 65 62 63 64 66 66 64 63 64 65 65 65 67 RH 59 72 76 79 74 53 44 42 45 60 76 90 84 57 42 40 48 71 84 93 84 Wind dir S S S S S S S S SE SE S SE S S SE SE SE SE S S S Wind spd 10 8 6 5 8 6 8 10 10 8 5 4 5 5 8 8 8 8 5 5 2 Clouds SC FW SC SC SC SC SC SC FW SC SC SC SC SC SC SC SC 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 91 91 97100 91 85 91 92 87 Max heat 93 88 97 100 85 91 93 84 Date 06/20 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 94 69 97 73 100 73 99 74 93 Temp 91 88 71 74 95 91 76 78 98 89 76 78 96 88 76 77 90 86 Dewpt 66 66 65 67 65 67 67 70 66 69 70 71 68 69 69 70 68 65 PWind dir S S S S S S SW SW SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC SC FW FW SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 0 0 5 10 20 10 20 30 40 Rain shwrs S S C S C Tstms S S C C $$ VAZ037-180800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 749 PM EDT Mon Jun 17 2024 Date 06/17/24 Tue 06/18/24 Wed 06/19/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 94 66 92 67 Temp 86 79 76 72 74 84 92 94 89 79 74 68 70 83 89 92 86 76 71 68 73 Dewpt 70 70 68 67 67 68 68 66 66 64 62 62 64 65 64 63 64 63 63 63 64 RH 59 74 76 84 79 59 46 40 47 60 66 81 81 55 44 38 48 64 76 84 73 Wind dir S S S S S S S SE SE SE SE SE S SE SE SE SE SE S SW N Wind spd 6 4 4 3 4 5 8 8 5 4 4 3 3 5 8 6 6 4 4 3 0 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW FW PoP 12hr 10 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Tstms Heat index 91 87 96 97 92 85 90 93 87 Max heat 93 87 96 97 85 90 93 84 Date 06/20 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 94 69 97 71 100 73 99 73 95 Temp 91 87 72 74 95 90 75 77 97 88 76 78 96 87 77 77 93 84 Dewpt 64 64 63 65 63 65 63 66 64 66 66 67 64 65 66 68 65 64 PWind dir SE S S SW S S SW SW SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC FW FW FW SC SC SC SC SC B1 B1 B1 B1 PoP 12hr 0 0 5 5 10 10 20 20 40 Rain shwrs S S S C Tstms S S C $$ MDZ003-180800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 749 PM EDT Mon Jun 17 2024 Date 06/17/24 Tue 06/18/24 Wed 06/19/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 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 70 94 66 93 66 Temp 87 79 75 71 74 85 92 94 89 79 73 67 71 83 90 92 88 76 71 66 72 Dewpt 66 69 69 67 68 70 69 68 68 65 63 62 65 67 65 63 64 64 64 63 66 RH 50 72 82 87 82 61 47 43 50 62 71 84 81 59 44 38 45 66 79 90 81 Wind dir S SE SE S S S S SE SE SE SE SE S S SE SE SE SE S S S Wind spd 6 6 5 4 5 6 8 10 8 8 6 4 5 5 8 9 8 6 6 5 2 Clouds FW FW SC SC SC SC SC SC SC SC SC B1 SC SC SC SC B1 SC SC SC FW PoP 12hr 5 5 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 89 90 97 99 93 86 92 93 89 Max heat 93 86 97 99 85 92 94 85 Heat Y Y Date 06/20 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 94 69 97 71 98 72 97 72 91 Temp 91 88 71 74 95 90 74 77 95 88 74 76 94 86 75 75 90 82 Dewpt 66 66 65 67 66 67 68 68 66 69 69 69 67 67 67 67 65 63 PWind dir S S S S SW S SW SW W Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC SC SC FW SC B1 SC SC B1 B1 B1 B1 SC PoP 12hr 0 5 10 10 20 10 20 30 40 Rain shwrs S S C C C Tstms S S C S C $$ MDZ017-180800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 749 PM EDT Mon Jun 17 2024 Date 06/17/24 Tue 06/18/24 Wed 06/19/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 90 69 87 70 Temp 80 76 73 72 77 85 88 87 81 76 73 70 75 82 85 86 81 75 72 70 75 Dewpt 67 66 66 66 67 67 67 65 65 66 66 66 68 68 66 65 66 67 67 67 68 RH 65 71 79 81 71 55 50 48 58 71 79 87 79 63 53 50 60 76 84 90 79 Wind dir S S S S S S SE SE SE S S S S SE SE SE SE S S S S Wind spd 14 11 9 6 8 8 13 13 12 10 8 6 6 8 10 11 10 10 8 6 3 Wind gust 25 Clouds FW SC SC SC SC SC FW FW FW SC SC SC SC FW SC FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 88 91 89 83 85 87 88 83 Max heat 86 91 92 87 88 Date 06/20 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 71 91 74 94 76 95 75 93 Temp 86 81 73 75 90 83 75 79 92 85 78 80 92 86 78 78 92 82 Dewpt 66 66 67 67 67 68 69 70 70 72 71 71 71 71 70 72 69 70 PWind dir S S S S S S S SW SW Wind char LT LT LT LT LT LT GN GN GN Avg clouds FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC B1 B1 B1 PoP 12hr 0 0 5 5 10 10 20 20 40 Rain shwrs S S C Tstms S S C $$ WVZ502-180800- Petersburg WV 38.99N 79.15W Elev. 963 ft 749 PM EDT Mon Jun 17 2024 Date 06/17/24 Tue 06/18/24 Wed 06/19/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 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 66 93 65 93 64 Temp 85 73 69 66 70 85 91 91 83 74 69 65 69 82 90 92 85 72 67 64 69 Dewpt 68 70 68 66 69 71 70 69 70 67 66 64 66 67 64 64 66 64 62 61 65 RH 57 90 97100 97 63 50 49 65 79 90 97 90 61 42 40 53 76 84 90 87 Wind dir S S S S S E SE SE S S S S SW SE SE SE SE S S SW SW Wind spd 4 2 3 3 1 2 6 6 5 4 3 2 1 3 4 5 4 4 4 3 1 Clouds SC SC B1 B1 B1 SC B1 B1 SC SC SC B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 10 20 5 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S S Obvis PF PF Heat index 88 90 97 96 87 85 91 94 87 Max heat 94 97 98 83 91 94 83 Date 06/20 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 95 66 97 69 97 69 96 68 90 Temp 92 86 68 71 94 88 71 74 94 84 71 73 92 82 71 71 87 81 Dewpt 64 67 63 65 64 68 64 66 66 69 66 66 65 68 65 66 64 63 PWind dir SE SW E SW SW SW SW SW W Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC SC FW SC SC SC SC SC B1 B1 B1 B1 SC PoP 12hr 0 0 10 5 20 10 30 30 50 Rain shwrs S C C S C C Tstms S C C S S C $$ MDZ014-180800- Annapolis MD 38.99N 76.49W Elev. 7 ft 749 PM EDT Mon Jun 17 2024 Date 06/17/24 Tue 06/18/24 Wed 06/19/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 88 70 86 70 Temp 80 76 75 74 76 82 86 86 81 75 73 72 74 81 84 86 81 76 72 70 74 Dewpt 68 67 67 67 67 68 68 67 66 67 67 66 67 67 66 66 66 68 67 67 67 RH 67 74 76 79 74 63 55 53 60 76 81 81 79 63 55 51 60 76 84 90 79 Wind dir S S S S S S S S S S S S S SE SE SE S S S SW S Wind spd 16 11 8 6 8 9 11 12 12 11 6 5 5 8 10 11 10 11 9 8 2 Wind gust 27 21 Clouds FW SC SC SC SC FW FW FW CL SC B1 SC SC SC SC FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 83 85 89 89 83 83 86 88 83 Max heat 85 89 91 82 86 88 82 Date 06/20 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 72 91 76 92 76 93 77 90 Temp 83 82 74 76 87 86 78 80 89 84 77 78 90 84 79 79 87 83 Dewpt 68 66 68 67 70 68 69 70 71 71 72 71 72 71 70 70 70 68 PWind dir S S S S S S S S SW Wind char LT LT LT LT LT LT GN LT GN Avg clouds FW FW FW FW SC SC FW FW FW SC SC SC SC SC B1 B1 B1 B1 PoP 12hr 0 0 5 10 10 20 20 30 40 Rain shwrs S S C S C Tstms S S C S C $$