Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
101 FOUS51 KLWX 290837 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 437 AM EDT Sat Jun 29 2024 VAZ054-292000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 437 AM EDT Sat Jun 29 2024 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 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 80 96 68 82 Temp 73 76 85 91 93 89 84 83 81 81 91 96 94 87 81 75 70 69 75 79 82 78 Dewpt 68 70 71 71 71 73 73 74 74 74 74 72 72 72 68 62 58 56 55 53 53 53 RH 84 82 63 52 49 59 70 74 79 79 58 46 49 61 65 64 66 63 50 41 37 42 Wind dir SE S S S S S S S SW SW W W W NW NW N N N N N N N Wind spd 5 8 10 11 13 11 10 10 9 8 9 9 10 9 10 13 13 14 13 12 11 9 Clouds B2 B2 B2 B1 SC SC SC B1 B2 B1 B1 SC B1 B1 SC SC FW CL FW FW FW CL PoP 12hr 10 40 60 30 0 QPF 12hr 0 0.16 0.47 0.09 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C L L C C Tstms S C C C S C C C C C Heat index 90 98100 97 90 90 86 86101105102 94 84 Max heat 98 100 95 86 105 105 90 81 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 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 87 70 92 77 96 78 94 Temp 68 68 84 81 73 72 88 86 78 79 94 88 81 80 91 88 Dewpt 55 59 57 58 62 63 63 64 66 68 69 72 73 72 71 71 PWind dir N E S S S SW W SW Wind char LT LT LT GN GN LT LT LT Avg clouds CL FW FW SC SC SC SC SC SC SC SC B1 B1 B1 SC B1 PoP 12hr 0 0 0 5 20 40 30 40 Rain shwrs S C C S S C Tstms S C C S S C $$ MDZ013-292000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 437 AM EDT Sat Jun 29 2024 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 76 96 64 82 Temp 70 75 82 88 89 84 81 78 77 80 90 96 94 87 79 72 65 66 75 80 82 78 Dewpt 67 71 72 73 74 74 75 75 74 76 75 74 73 74 69 61 58 58 57 57 56 55 RH 90 87 72 61 61 72 82 91 90 88 62 49 51 65 72 68 78 75 54 45 41 45 Wind dir SE SE S S S S S S SW SW W W W NW N N N N N N N N Wind spd 4 8 10 11 13 12 10 6 5 6 6 9 9 6 9 11 12 11 12 13 11 6 Clouds B2 B2 B2 B1 SC B1 B1 B2 B2 B2 B1 B1 SC B1 SC SC FW FW FW FW FW FW PoP 12hr 10 40 60 30 0 QPF 12hr 0 0.24 0.25 0.10 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C L L C C Tstms C C C S S C C C C S Heat index 87 96 98 91 87 86101107103 95 80 82 Max heat 96 98 90 86 107 107 92 80 82 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 85 67 90 73 95 75 92 Temp 66 69 83 80 70 71 87 83 75 77 92 86 77 78 89 85 Dewpt 57 60 58 59 63 64 64 66 66 68 72 73 72 73 73 72 PWind dir N SE S S S SW W SE Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW FW SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 0 0 0 5 20 30 30 40 Rain shwrs S C C S S C Tstms S C C S S C $$ MDZ011-292000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 437 AM EDT Sat Jun 29 2024 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 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 81 98 69 83 Temp 71 73 83 88 91 86 83 82 81 81 94 98 97 90 84 78 72 70 78 81 83 79 Dewpt 68 70 70 70 71 72 74 73 74 74 73 71 71 70 67 61 58 55 54 54 53 53 RH 90 90 65 55 52 63 74 74 79 79 51 42 43 52 57 56 61 59 43 39 36 41 Wind dir SE SE S S S S S S SW SW W W W NW N N N N N N N N Wind spd 5 8 10 11 13 11 10 6 5 6 6 9 9 8 9 11 12 12 12 12 11 8 Clouds B2 B2 B2 B1 SC B1 B1 B2 B2 B2 B1 B1 SC SC SC SC FW CL FW FW FW CL PoP 12hr 10 40 60 30 0 QPF 12hr 0 0.24 0.18 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C L L C C Tstms C C C S S C C C C S Heat index 87 93 98 92 90 87 86 86103106105 96 87 81 Max heat 93 99 92 88 107 106 92 81 82 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 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 88 71 92 78 97 79 94 Temp 68 68 85 83 74 73 89 85 79 79 94 88 82 80 91 88 Dewpt 55 57 56 57 62 63 63 64 66 66 69 71 72 71 71 70 PWind dir N SE S S S SW W S Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW FW SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 0 0 0 5 20 40 30 40 Rain shwrs S S C C S S C Tstms S S C C S S C $$ WVZ052-292000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 437 AM EDT Sat Jun 29 2024 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 72 92 58 80 Temp 68 73 80 87 89 87 78 74 73 79 86 92 90 84 73 62 58 63 71 78 79 76 Dewpt 65 66 67 69 68 69 71 72 71 72 72 69 66 63 59 55 53 52 51 50 50 51 RH 90 79 65 55 50 55 79 93 93 79 63 47 45 49 62 78 83 67 49 37 36 42 Wind dir S S S S S S S SW SW W W W NW NW NW NW NW N N N N N Wind spd 8 11 12 14 12 11 8 5 4 4 9 11 12 11 12 11 11 11 11 12 10 6 Clouds B2 B2 B1 B1 B1 B1 B2 B2 B1 SC SC SC SC FW FW CL CL FW FW FW FW FW PoP 12hr 30 60 40 10 0 QPF 12hr 0.20 0.52 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L C C C C C C Tstms S C C C C S S S C C Obvis PF Heat index 82 91 93 91 92 97 93 85 Max heat 91 94 85 97 96 81 80 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 83 62 90 69 91 70 90 Temp 59 64 80 78 66 69 87 85 73 77 88 84 73 75 86 83 Dewpt 52 53 54 55 58 59 62 62 66 67 70 70 70 70 69 68 PWind dir N SE SE S S W NW W Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 0 0 0 10 30 50 40 50 Rain shwrs C S S C C S S C Tstms S S S C C S S C $$ VAZ506-292000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 437 AM EDT Sat Jun 29 2024 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 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 75 95 62 81 Temp 69 74 82 89 92 89 81 78 76 79 90 95 92 86 78 69 62 65 73 79 81 77 Dewpt 68 71 72 73 72 72 73 74 74 76 76 75 75 74 68 60 57 57 57 56 56 56 RH 97 90 72 59 52 57 77 88 94 91 64 53 58 68 71 73 84 75 57 45 42 48 Wind dir SE S S S S S S SW SW SW W W NW NW N N N N N N N N Wind spd 6 8 10 11 12 9 8 6 6 4 6 8 10 8 11 12 12 12 12 12 11 6 Clouds B2 B2 B1 B1 B1 SC B1 B1 B1 B1 B1 B1 SC SC SC FW FW CL FW FW FW CL PoP 12hr 10 40 50 30 0 QPF 12hr 0 0.29 0.13 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C C C Tstms C C C S S C C C C S Heat index 87 97100 96 86 102107103 94 81 Max heat 97 100 93 107 106 89 81 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 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 59 86 65 92 73 95 73 94 Temp 62 66 83 80 68 70 88 85 76 77 94 86 77 78 89 85 Dewpt 55 58 59 58 61 64 65 65 66 69 73 74 73 73 73 73 PWind dir N SE S S S W NW W Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC SC SC SC SC SC B1 B1 B1 SC B1 PoP 12hr 0 0 0 5 20 40 40 40 Rain shwrs S C C S C Tstms S C C S C $$ VAZ037-292000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 437 AM EDT Sat Jun 29 2024 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 76 96 65 82 Temp 70 74 83 90 93 90 83 81 78 79 92 95 94 86 78 73 67 66 74 81 82 77 Dewpt 65 67 70 70 70 69 70 71 71 73 72 71 71 70 68 64 58 55 53 52 52 53 RH 84 79 65 52 47 50 65 72 79 82 52 46 47 59 71 73 73 68 48 37 35 43 Wind dir E S S S S S SW SW SW SW W W W NW N N N N N N NE NE Wind spd 2 3 6 9 10 8 4 5 4 5 6 5 8 4 5 8 6 10 9 9 8 5 Clouds OV B2 B2 B1 SC SC B1 B1 B1 B1 B1 SC SC SC FW FW FW CL CL CL CL CL PoP 12hr 10 40 60 30 0 QPF 12hr 0 0.04 0.35 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S C C L L C C Tstms S C C S S C L C S Heat index 87 96 99 95 87 85 100103101 91 Max heat 96 99 91 103 104 87 80 81 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 87 64 92 71 97 74 95 Temp 61 64 84 81 68 68 88 85 75 76 94 87 77 78 92 87 Dewpt 53 55 55 57 59 61 64 64 64 67 69 71 71 72 70 70 PWind dir N E S S SW W W SW Wind char LT LT LT LT LT LT LT LT Avg clouds CL FW FW SC SC SC SC FW SC SC SC B1 B1 B1 SC B1 PoP 12hr 0 0 0 5 10 40 30 40 Rain shwrs C C S C Tstms C C C $$ MDZ003-292000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 437 AM EDT Sat Jun 29 2024 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 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 73 93 59 80 Temp 69 74 81 89 91 87 79 76 73 78 86 93 91 85 74 65 59 63 71 76 80 75 Dewpt 66 68 70 71 71 71 73 73 73 75 74 72 69 65 60 56 54 55 55 54 53 53 RH 90 82 69 56 52 59 82 90100 91 68 51 49 51 62 73 83 75 57 46 39 46 Wind dir S S S S S S S SW SW SW W W NW NW N N NW N N N N N Wind spd 10 12 13 13 11 8 6 6 5 4 8 10 11 10 11 9 10 11 11 11 10 6 Clouds B2 B1 B2 B1 B1 B1 B2 B2 B1 SC SC SC SC FW FW CL FW FW FW FW FW FW PoP 12hr 40 60 30 5 0 QPF 12hr 0.24 0.53 0.02 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C S S C C Tstms C C C C C S C C Obvis PF Heat index 85 95 98 93 94101 96 87 80 Max heat 95 98 88 101 100 82 80 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 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 56 85 64 92 72 93 71 91 Temp 60 64 82 79 68 69 87 86 75 77 89 85 75 75 87 85 Dewpt 53 56 57 57 59 61 64 64 66 69 72 72 72 72 72 70 PWind dir N SE SE S S W W SW Wind char LT LT LT LT LT LT LT LT Avg clouds CL FW FW SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 0 0 0 10 30 40 30 40 Rain shwrs C S S C C S S C Tstms S S S C C S S C $$ MDZ017-292000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 437 AM EDT Sat Jun 29 2024 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 78 95 67 83 Temp 74 79 84 88 89 84 82 80 79 84 91 95 94 85 77 72 67 69 75 81 82 80 Dewpt 70 72 74 75 75 74 75 73 74 75 75 76 76 74 73 69 63 61 59 58 59 58 RH 87 79 72 66 64 72 79 79 85 74 60 54 56 70 87 90 87 76 58 46 46 47 Wind dir SE SE SE SE SE S S S SW SW SW SW S S NW N N N N N N N Wind spd 10 10 11 13 16 13 12 11 10 10 10 9 10 8 9 13 17 16 16 14 12 10 Clouds B2 B2 B2 B2 SC SC SC SC SC B1 B2 B2 B1 B1 B1 B1 SC FW FW FW FW FW PoP 12hr 10 30 80 60 5 QPF 12hr 0 0 0.43 0.73 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C D D L L S S Tstms C S C C C L C S Heat index 91 98 99 91 89 84 92102109107 93 81 82 81 Max heat 98 99 90 92 109 109 88 81 83 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 85 69 88 74 94 76 93 Temp 71 75 84 78 71 75 86 81 75 79 92 84 77 81 90 84 Dewpt 60 63 60 60 63 65 65 65 66 69 72 73 72 74 73 73 PWind dir NE E S S S S SW S Wind char LT LT LT GN GN LT LT LT Avg clouds FW FW FW SC SC SC SC SC SC SC SC B1 B1 SC SC SC PoP 12hr 0 0 0 0 10 30 30 30 Rain shwrs C C S C Tstms C C S C $$ WVZ502-292000- Petersburg WV 38.99N 79.15W Elev. 963 ft 437 AM EDT Sat Jun 29 2024 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 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 54 78 Temp 65 70 85 90 91 83 75 73 71 76 87 91 91 82 69 62 54 58 69 75 78 72 Dewpt 63 66 69 70 71 72 72 71 71 73 72 71 69 67 63 57 53 52 52 52 53 54 RH 93 87 59 52 52 70 90 93100 90 61 52 49 61 81 84 96 80 55 45 42 53 Wind dir SE S S S S S SW SW SW W W W NW NW N N NW N N N N N Wind spd 4 6 9 8 10 6 5 4 3 4 6 8 9 5 6 5 5 5 6 8 6 4 Clouds B2 B1 SC B1 B1 B1 B1 B2 B1 B2 SC SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 60 60 50 10 0 QPF 12hr 0.06 0.16 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L L C C C C C C Tstms S C C C C C S S C C S Obvis PF Heat index 89 96 98 88 94 98 96 85 Max heat 96 98 99 98 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 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 52 85 60 93 69 91 68 91 Temp 56 59 82 76 63 67 90 83 71 73 88 81 71 72 88 82 Dewpt 53 53 55 57 57 59 66 68 67 69 73 72 71 71 71 71 PWind dir SE SE S SW SW W W W Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC SC SC SC SC B1 B2 B2 B1 B1 B1 PoP 12hr 0 0 0 20 30 60 40 60 Rain shwrs S C C C L C C C L Tstms S S S S C C S S C $$ MDZ014-292000- Annapolis MD 38.99N 76.49W Elev. 7 ft 437 AM EDT Sat Jun 29 2024 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 78 93 68 81 Temp 73 77 82 84 87 83 81 81 78 81 88 92 92 85 79 76 70 68 74 78 81 77 Dewpt 70 71 73 75 74 75 76 75 74 75 76 76 74 74 72 65 61 59 58 59 57 58 RH 90 82 74 74 65 77 85 82 88 82 68 60 56 70 79 69 73 73 57 52 44 52 Wind dir SE SE S S S S S S SW SW SW SW W NW N N N N N N N N Wind spd 8 10 12 13 16 16 12 9 9 8 9 10 9 8 8 12 13 13 13 12 11 9 Clouds B2 B2 B2 B1 SC SC SC B1 B2 B2 B2 B1 SC B1 B1 SC FW FW FW FW FW FW PoP 12hr 10 30 70 40 0 QPF 12hr 0 0.09 0.62 0.23 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C L L C C Tstms S C C C S C C C C C Heat index 87 92 95 90 87 87 87 99105102 93 81 Max heat 92 95 90 87 105 105 90 81 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 84 70 87 76 92 77 90 Temp 70 71 80 79 73 73 83 82 77 79 89 84 79 79 87 84 Dewpt 60 61 60 62 65 65 67 67 68 69 73 73 74 73 74 73 PWind dir NE E S S S SW SW S Wind char LT LT LT GN GN LT LT LT Avg clouds FW FW FW FW SC SC SC SC SC SC SC B1 B1 B1 B1 SC PoP 12hr 0 0 0 5 20 30 30 40 Rain shwrs S S C C S S C Tstms S S C C S S C $$