Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
404 FOUS51 KLWX 171738 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 138 PM EDT Mon Jun 17 2024 VAZ054-172000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 138 PM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 73 93 70 91 Temp 88 92 84 78 75 74 77 85 90 93 84 76 73 71 74 83 88 90 84 Dewpt 66 67 66 64 64 64 65 66 67 65 63 63 65 64 66 65 64 63 64 RH 48 44 55 62 69 71 67 53 47 40 49 64 76 79 76 55 45 41 51 Wind dir S S S S S S S S S SE SE S S S S S SE SE SE Wind spd 11 11 12 10 9 8 9 8 10 11 11 9 6 5 6 6 9 10 10 Clouds SC SC FW FW SC FW FW FW FW SC FW SC SC SC SC SC SC SC 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 90 96 86 87 93 95 85 85 89 91 85 Max heat 90 96 84 93 96 83 89 91 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 93 73 97 77 100 78 99 Temp 74 74 90 87 75 77 95 91 79 81 97 89 80 80 97 89 Dewpt 66 66 64 64 65 66 64 64 67 68 66 67 70 70 67 68 PWind dir S S S S S S S S Wind char LT LT LT LT LT LT LT GN Avg clouds FW FW FW FW FW FW SC SC FW FW FW SC SC SC SC B1 PoP 12hr 0 0 0 5 10 10 10 20 Rain shwrs S Tstms S $$ MDZ013-172000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 138 PM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 70 92 66 90 Temp 87 90 81 75 72 70 75 84 89 92 82 75 71 68 72 82 87 89 82 Dewpt 66 67 65 65 64 64 65 67 67 65 64 64 65 65 67 66 63 62 64 RH 50 47 58 71 76 81 71 57 48 41 55 69 81 90 84 58 45 41 55 Wind dir S S S S S S S S SE SE S S S S S SE SE SE SE Wind spd 11 12 12 9 6 5 6 6 10 11 10 6 4 4 4 5 8 9 8 Wind gust 23 Clouds SC SC FW SC SC FW SC FW FW FW FW SC SC SC SC SC SC SC SC PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 89 93 83 87 92 94 83 84 88 89 83 Max heat 89 93 92 95 88 89 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 92 69 95 74 97 74 97 Temp 71 72 90 85 71 74 93 89 77 78 95 87 75 77 94 86 Dewpt 66 67 66 65 66 67 66 67 68 70 68 70 71 71 68 70 PWind dir S S S S S S S S Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW SC SC SC SC SC SC SC B1 SC SC B1 PoP 12hr 0 0 0 5 10 20 10 20 Rain shwrs S S Tstms S S $$ MDZ011-172000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 138 PM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 75 95 73 93 Temp 90 92 83 78 76 75 78 87 91 95 84 79 75 74 76 85 89 92 84 Dewpt 65 66 65 65 65 64 64 65 66 65 64 64 64 65 65 64 62 61 63 RH 44 43 55 64 69 69 62 48 44 37 51 60 69 74 69 50 41 36 49 Wind dir S S S S S SE S S SE SE S S S S S SE SE SE SE Wind spd 11 12 11 8 5 5 6 8 10 11 9 8 4 3 4 6 9 9 8 Clouds SC SC FW SC FW FW SC FW FW FW FW SC SC B1 SC SC SC SC SC PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 92 95 85 89 94 98 85 86 89 92 85 Max heat 92 95 83 94 98 84 89 92 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 95 76 98 79 100 79 99 Temp 76 77 92 87 77 79 95 90 81 82 97 88 80 81 96 87 Dewpt 65 65 64 62 65 65 65 64 67 68 66 68 70 69 66 67 PWind dir S S S S S S S S Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW SC SC SC SC SC SC SC B1 SC SC B1 PoP 12hr 0 0 0 5 10 20 20 20 Rain shwrs S S S Tstms S S S $$ WVZ052-172000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 138 PM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 67 93 64 91 Temp 87 91 83 75 71 69 73 84 88 93 85 75 70 66 70 81 86 90 82 Dewpt 66 65 67 68 67 65 67 70 68 66 66 64 62 62 64 65 64 62 63 RH 50 42 59 79 87 87 81 63 52 41 53 69 76 87 81 58 48 39 53 Wind dir S SE SE SE S SE SE SE SE SE SE SE SE S SE SE SE SE SE Wind spd 6 6 6 6 5 4 5 6 10 10 8 5 4 3 3 4 8 8 5 Clouds SC SC FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 10 5 5 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF PF Heat index 89 93 86 88 92 96 87 83 87 90 83 Max heat 89 93 82 92 96 83 87 90 Heat Y Y Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 92 66 95 69 96 69 95 Temp 69 69 89 87 69 72 93 89 73 76 93 87 72 75 92 86 Dewpt 63 64 63 64 63 65 63 64 65 66 64 67 67 67 64 65 PWind dir SE SE S SE S SW S SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW SC SC SC FW FW SC B1 SC SC B1 PoP 12hr 0 0 5 10 10 20 10 20 Rain shwrs S S Tstms S S $$ VAZ506-172000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 138 PM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 70 95 66 92 Temp 89 92 85 78 73 71 75 86 90 95 86 76 71 68 72 83 89 91 84 Dewpt 68 68 69 67 65 64 66 68 68 68 65 62 63 64 66 66 64 63 64 RH 50 46 59 69 76 79 74 55 49 42 50 62 76 87 81 57 44 40 51 Wind dir S S S S S S S S S S SE SE S SE S S SE SE SE Wind spd 9 8 10 10 8 8 8 6 10 11 10 8 5 4 5 5 8 8 8 Clouds SC B1 SC FW FW FW FW FW SC SC FW SC SC SC SC SC SC SC SC PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 93 96 89 89 94100 88 85 90 92 85 Max heat 93 96 85 94 100 83 90 92 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 94 69 97 73 100 73 99 Temp 71 72 91 87 71 74 95 91 76 78 98 89 76 78 96 88 Dewpt 65 67 66 66 65 67 65 67 67 70 66 69 70 71 68 69 PWind dir S S S S S S S SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW FW SC SC FW FW SC SC SC SC B1 PoP 12hr 0 0 0 5 10 20 10 20 Rain shwrs S S Tstms S S $$ VAZ037-172000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 138 PM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 71 94 66 92 Temp 89 92 83 78 74 72 75 85 90 94 85 77 72 68 72 83 88 91 83 Dewpt 68 69 69 68 67 66 67 68 68 66 66 64 62 62 64 65 64 63 64 RH 50 47 63 71 79 81 76 57 49 40 53 64 71 81 76 55 45 40 53 Wind dir S S S S S S S S S S SE SE SE SE S SE SE SE SE Wind spd 8 9 6 5 4 4 5 5 8 9 6 4 4 3 3 5 8 6 6 Clouds B2 B2 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 10 5 0 0 QPF 12hr 0.14 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S Tstms C S Obvis PF Heat index 93 97 87 88 94 97 87 85 89 92 84 Max heat 93 97 84 94 97 84 89 92 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 94 69 97 71 100 73 99 Temp 71 72 90 87 71 74 95 90 75 77 97 88 76 78 96 87 Dewpt 63 64 64 64 63 65 63 65 63 66 64 66 66 67 64 65 PWind dir S SE S S SW S S SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW FW SC FW FW FW SC SC SC SC SC PoP 12hr 0 0 0 5 5 10 10 20 Rain shwrs S Tstms S $$ MDZ003-172000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 138 PM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 70 94 66 93 Temp 88 92 85 78 74 70 75 85 90 94 87 78 72 68 72 82 89 92 85 Dewpt 67 66 67 69 67 65 67 70 69 68 68 65 63 62 65 67 65 63 64 RH 50 43 55 74 79 84 76 61 50 43 53 64 73 81 79 61 45 38 50 Wind dir SW S S SE S SE S S S S SE SE SE SE S S SE SE SE Wind spd 6 8 6 10 8 6 6 6 10 10 9 8 6 4 5 5 8 9 8 Clouds SC SC FW FW FW SC SC SC SC SC SC SC SC B1 SC SC SC SC B1 PoP 12hr 5 5 5 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 91 95 88 90 95 99 91 85 91 93 86 Max heat 91 95 85 95 99 85 91 94 Heat Y Y Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 94 69 97 71 98 72 97 Temp 71 72 91 87 71 74 95 90 74 77 95 88 74 76 94 86 Dewpt 64 66 66 66 65 67 66 67 68 68 66 69 69 69 67 67 PWind dir SE S S S S SW S SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW SC SC SC SC FW SC B1 SC SC B1 PoP 12hr 0 0 5 10 10 20 10 20 Rain shwrs S S Tstms S S $$ MDZ017-172000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 138 PM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 72 90 69 87 Temp 86 88 79 75 73 72 76 83 85 90 79 75 72 70 74 82 84 86 79 Dewpt 67 66 65 65 65 65 66 67 67 65 65 66 66 66 68 68 66 65 66 RH 53 48 62 71 76 79 71 59 55 44 62 74 81 87 82 63 55 50 64 Wind dir SE SE S S S S S S SE SE SE S S S S SE SE SE SE Wind spd 14 17 14 13 10 9 9 9 13 13 12 10 8 6 6 8 10 11 10 Wind gust 25 Clouds SC SC FW SC SC SC SC CL FW FW FW SC SC SC SC FW SC FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 89 90 86 88 92 85 86 88 Max heat 89 90 88 92 86 88 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 88 71 91 74 94 76 95 Temp 73 75 87 81 73 75 90 83 75 79 92 85 78 80 92 86 Dewpt 67 68 66 66 67 67 67 68 69 70 70 72 71 71 71 71 PWind dir S S S S S S S S Wind char GN LT LT LT LT LT LT GN Avg clouds FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 0 0 0 5 5 10 10 20 Rain shwrs S Tstms S $$ WVZ502-172000- Petersburg WV 38.99N 79.15W Elev. 963 ft 138 PM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 67 93 65 93 Temp 89 93 82 74 70 68 72 85 90 93 83 74 70 65 70 83 89 92 82 Dewpt 68 68 70 69 68 67 69 71 70 69 70 67 66 64 66 67 64 64 66 RH 50 44 67 84 93 97 90 63 52 46 65 79 87 97 87 59 44 40 58 Wind dir NW SE S S S S S E SE SE S S S S SW SE SE SE SE Wind spd 5 5 4 4 3 3 2 3 5 6 5 4 3 2 1 3 4 5 4 Clouds B1 B1 FW FW FW SC B1 SC B1 B1 SC SC SC B1 B1 B1 SC SC SC PoP 12hr 30 20 20 5 5 QPF 12hr 0.01 0 0.06 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S S Tstms C S S S S S Obvis PF PF PF Heat index 93 97 86 90 96 98 87 86 90 94 84 Max heat 93 97 96 98 83 90 94 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 64 95 66 97 69 97 69 96 Temp 68 69 92 86 68 71 94 88 71 74 94 84 71 73 92 82 Dewpt 62 65 64 67 63 65 64 68 64 66 66 69 66 66 65 68 PWind dir S SE SW E SW SW SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW SC SC SC FW SC SC SC SC SC B1 PoP 12hr 0 0 0 10 5 20 10 30 Rain shwrs S C Tstms S C $$ MDZ014-172000- Annapolis MD 38.99N 76.49W Elev. 7 ft 138 PM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 72 88 70 86 Temp 83 86 79 75 74 73 76 82 84 88 80 75 73 71 74 81 83 85 80 Dewpt 68 67 66 66 66 65 66 68 68 67 66 67 67 66 67 67 66 66 66 RH 61 53 64 74 76 76 71 63 59 50 62 76 81 84 79 63 57 53 62 Wind dir S S S S S S S S S S S S S S S SE SE SE S Wind spd 14 16 16 13 10 9 9 10 12 13 13 11 6 5 5 8 10 11 10 Wind gust 27 25 Clouds SC SC FW FW SC FW FW FW FW FW FW SC B1 SC SC SC SC FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 86 89 85 87 91 82 83 85 87 82 Max heat 86 89 87 91 85 87 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 87 72 91 76 92 76 93 Temp 73 74 84 82 74 76 87 86 78 80 89 84 77 78 90 84 Dewpt 67 67 68 66 68 67 70 68 69 70 71 71 72 71 72 71 PWind dir S S S S S S S S Wind char GN LT LT LT LT LT LT GN Avg clouds FW FW FW FW FW FW SC SC FW FW FW SC SC SC SC SC PoP 12hr 0 0 0 5 10 10 20 20 Rain shwrs S S Tstms S S $$