Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
716 FOUS51 KLWX 051438 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1038 AM EDT Fri Jul 5 2024 VAZ054-052000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1038 AM EDT Fri Jul 5 2024 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 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 100 82 95 77 94 Temp 89 96100 95 88 85 82 83 88 93 93 86 82 79 77 79 86 91 93 87 Dewpt 75 72 71 72 74 75 74 73 72 71 73 73 73 73 71 70 68 67 67 69 RH 64 46 40 48 63 72 77 72 59 49 52 65 74 82 82 74 55 45 43 55 Wind dir SW SW SW S S SW SW SW W SW SW S S W NW N N N S SE Wind spd 8 9 10 9 9 9 8 8 6 8 9 6 6 5 5 6 5 4 6 8 Clouds SC SC SC SC B1 B2 SC B1 SC SC B1 B2 B2 B2 B1 B1 B1 B1 B1 SC PoP 12hr 20 20 50 50 20 QPF 12hr 0.01 0.03 0.24 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C C S S S S Tstms S S S S C C C C S S S Heat index 99105109104 97 94 88 89 95100102 93 87 89 94 97 91 Max heat 105 109 101 90 100 104 92 94 97 Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 Thu 07/11/24 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 76 94 77 92 76 91 75 89 Temp 78 78 92 87 79 79 90 84 78 78 89 86 78 77 86 84 Dewpt 72 73 71 73 73 73 72 72 73 71 68 68 69 68 67 67 PWind dir SE SE S S SW SW W NE Wind char LT GN LT GN GN GN LT LT Avg clouds SC SC B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 PoP 12hr 20 20 20 50 40 40 40 40 Rain shwrs S S S S C C S S C C C C C Tstms S S S C C S S C C C $$ MDZ013-052000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1038 AM EDT Fri Jul 5 2024 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 99 78 95 74 94 Temp 89 96 98 92 85 81 80 81 88 93 93 86 79 77 75 78 87 91 92 86 Dewpt 75 73 73 74 76 75 75 73 72 72 73 74 73 73 71 70 68 68 68 70 RH 64 48 45 56 75 82 85 77 59 51 52 68 82 87 87 76 53 47 46 59 Wind dir SW SW SW S S SW SW W SW SW S S S W NW N N E SE SE Wind spd 6 6 8 6 5 4 4 5 5 6 6 5 3 3 3 4 4 4 5 4 Clouds B1 SC SC B1 B1 B2 B1 SC SC B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 SC PoP 12hr 10 20 40 50 20 QPF 12hr 0 0.03 0.17 0.04 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C C S S S Tstms S S S C C C S S Heat index 99106109102 94 87 85 86 95101102 94 91 95 96 91 Max heat 106 109 99 87 101 104 90 95 97 Heat Y Y Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 Thu 07/11/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 93 75 92 74 91 72 89 Temp 76 77 91 85 77 78 89 84 76 77 89 87 75 75 87 84 Dewpt 72 72 72 73 73 73 72 72 72 72 69 68 68 68 67 67 PWind dir SE SE S S SW SW W NE Wind char LT LT LT GN LT GN LT LT Avg clouds SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 PoP 12hr 20 20 20 50 50 40 40 40 Rain shwrs S S S S S C C C S C C C C C Tstms S S S S C C C S C C C $$ MDZ011-052000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1038 AM EDT Fri Jul 5 2024 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 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 99 83 96 77 95 Temp 90 97 98 93 88 86 84 84 90 94 94 87 83 80 78 79 87 92 94 89 Dewpt 73 72 72 74 75 74 75 73 73 72 73 73 73 73 71 70 68 67 67 68 RH 58 45 43 54 66 68 74 70 58 49 51 63 72 79 79 74 53 44 41 50 Wind dir S SW S S S S SW W SW S S S S W NW N N S S SE Wind spd 5 8 8 6 4 4 3 4 5 6 6 4 3 3 3 4 4 5 4 4 Clouds B1 SC SC B1 B1 B2 B1 B1 SC B1 SC B2 B2 B2 B1 B1 B1 B1 B1 SC PoP 12hr 20 30 40 40 20 QPF 12hr 0 0.03 0.13 0.04 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S C C C C C S S S Tstms S C S S C C C S Heat index 98106107103 98 94 92 90 98102103 94 89 84 91 96 98 93 Max heat 106 107 101 94 102 105 93 96 98 Heat Y Y Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 Thu 07/11/24 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 96 77 93 76 92 75 91 Temp 80 77 93 87 80 79 91 85 78 76 89 86 78 78 89 85 Dewpt 71 71 71 72 73 73 72 71 72 71 68 67 67 67 66 67 PWind dir SE SE S S SW SW W NE Wind char LT LT LT GN LT LT LT LT Avg clouds SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 PoP 12hr 20 20 20 50 50 40 40 40 Rain shwrs S S S S S C C C C C C C C C Tstms S S S S S C C C S C C C $$ WVZ052-052000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1038 AM EDT Fri Jul 5 2024 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 97 73 93 68 92 Temp 87 94 97 92 82 77 75 78 85 91 92 86 76 73 69 75 83 89 91 86 Dewpt 71 69 67 69 70 71 70 71 70 67 64 66 66 66 64 66 66 64 63 66 RH 59 44 38 47 67 82 84 79 61 45 40 51 71 79 84 74 57 44 40 51 Wind dir W W W NW W SW SW W W W W W W NW NW NW NW W NW NE Wind spd 9 9 8 5 4 4 4 4 6 9 9 6 3 3 3 3 3 3 5 4 Clouds B1 B1 SC B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC SC FW SC PoP 12hr 10 30 20 5 5 QPF 12hr 0 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S Tstms S S S S Heat index 93 99101 97 86 90 94 94 88 85 90 92 88 Max heat 99 101 94 94 95 84 90 92 Heat Y Y Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 Thu 07/11/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 94 71 91 69 89 67 88 Temp 73 74 91 86 73 76 89 83 71 74 86 85 71 73 86 83 Dewpt 67 68 68 70 71 71 70 71 70 69 65 65 66 65 64 64 PWind dir NE SE S S SW W NW N Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 B1 B1 B2 B2 B2 B1 B1 SC B1 SC SC B1 PoP 12hr 10 20 20 60 40 40 30 30 Rain shwrs S S C L C S S C C S C Tstms S S S C C S S C C C $$ VAZ506-052000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1038 AM EDT Fri Jul 5 2024 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 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 99 76 95 71 94 Temp 89 95 98 94 86 80 78 80 89 93 93 86 78 75 73 76 86 91 93 87 Dewpt 75 72 71 71 74 74 74 73 73 71 71 71 72 71 69 69 68 67 67 69 RH 64 48 42 47 68 82 88 79 59 49 49 61 82 87 87 79 55 45 43 55 Wind dir SW SW SW S SW SW S SW W W S S W NW NW N N NW S SE Wind spd 5 6 8 5 5 5 4 4 5 6 5 5 3 3 3 4 4 3 4 5 Clouds B1 SC SC B1 B2 B2 B1 B1 SC B1 SC B1 B2 B2 B1 SC B1 B1 B1 SC PoP 12hr 20 30 40 40 10 QPF 12hr 0.01 0.03 0.08 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S C C C C C S Tstms S C S S S C C S S Heat index 99104106101 94 84 84 97100100 91 89 94 97 91 Max heat 104 106 100 84 100 103 88 94 97 Heat Y Y Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 Thu 07/11/24 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 94 74 93 72 90 71 89 Temp 75 76 92 86 76 77 90 85 74 75 88 86 74 74 86 85 Dewpt 71 71 71 72 73 73 72 71 71 71 68 67 67 67 66 66 PWind dir SE SE S S SW SW W NE Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 PoP 12hr 20 20 20 50 50 40 40 40 Rain shwrs S S S S C C S S C C S C C Tstms S S S C C S S C C C $$ VAZ037-052000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1038 AM EDT Fri Jul 5 2024 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 99 76 95 72 94 Temp 89 96 98 91 82 80 77 79 89 93 93 86 78 76 73 75 85 91 92 86 Dewpt 73 71 71 71 71 72 72 72 72 71 69 71 71 71 68 68 67 67 68 70 RH 59 45 42 52 69 77 85 79 57 49 46 61 79 85 84 79 55 45 46 59 Wind dir SW SW SW SW S SW S SW SW S SW SW N NW NW N NE SE SE SE Wind spd 5 6 8 6 6 5 4 4 4 5 6 5 4 2 2 2 4 4 5 5 Clouds SC SC SC B2 B2 B2 B1 SC SC SC SC B1 B1 B1 SC B1 B1 B1 SC SC PoP 12hr 30 30 30 10 20 QPF 12hr 0.04 0.04 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S S S S Tstms C C S S S S S S S Heat index 97104106 98 86 84 96100 98 91 88 94 96 91 Max heat 104 106 94 100 102 88 94 97 Heat Y Y Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 Thu 07/11/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 93 73 92 72 91 69 89 Temp 74 75 90 84 76 75 89 84 75 75 89 86 74 70 86 83 Dewpt 70 70 70 71 71 72 71 72 70 69 67 67 66 65 65 66 PWind dir S S SW S SW W N N Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 20 40 20 60 30 40 40 40 Rain shwrs S S C S C L C S C C C C C Tstms S S C S C C C C C $$ MDZ003-052000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1038 AM EDT Fri Jul 5 2024 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 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 96 75 94 70 93 Temp 86 93 95 92 83 79 77 78 86 91 93 86 78 74 71 75 83 89 92 87 Dewpt 73 71 70 71 72 73 72 71 71 69 66 67 67 67 65 67 67 65 63 65 RH 65 49 45 51 70 82 85 79 61 49 41 53 69 79 81 76 59 45 38 48 Wind dir SW W W W W SW SW W W W W W NW NW NW NW NW W W NE Wind spd 8 8 8 4 3 4 4 4 6 9 9 5 3 3 3 3 3 4 4 3 Clouds B1 B1 SC B1 B1 B2 B1 B1 SC SC FW SC SC SC SC SC SC SC SC SC PoP 12hr 5 30 10 5 5 QPF 12hr 0 0.04 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S Tstms S S S Heat index 93100102 99 88 91 96 96 89 86 91 93 89 Max heat 100 102 95 96 98 87 91 94 Heat Y Y Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 Thu 07/11/24 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 94 73 92 71 88 69 88 Temp 74 76 92 85 75 77 88 81 73 75 87 83 72 74 86 83 Dewpt 67 68 69 70 72 73 71 70 70 69 65 64 65 66 65 65 PWind dir NE SE SE S S W NW N Wind char LT LT LT LT LT GN LT LT Avg clouds SC SC SC B1 B1 B1 B2 B2 B2 B1 B1 SC SC SC SC B1 PoP 12hr 5 20 20 60 40 40 30 30 Rain shwrs S S C L C S S C C S C Tstms S S S C C S S C C C $$ MDZ017-052000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1038 AM EDT Fri Jul 5 2024 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 98 79 94 76 90 Temp 90 95 94 89 83 80 80 83 89 92 92 84 79 77 76 79 84 88 88 83 Dewpt 76 75 77 77 75 75 75 75 76 77 77 75 74 74 74 74 74 75 73 73 RH 64 53 58 68 77 85 85 77 66 62 62 74 85 90 94 85 72 66 61 72 Wind dir SW S SE S S S SW SW SW S S S S SW W W N E SE S Wind spd 8 10 12 11 10 9 9 10 8 9 10 8 8 6 5 5 5 6 8 8 Clouds SC SC SC SC B1 B1 B1 SC SC SC B1 B2 B2 OV B2 B2 B2 B2 B1 B2 PoP 12hr 10 20 60 60 40 QPF 12hr 0 0.03 0.50 0.17 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L L C C C C C C C S Tstms S S C C C C C S S S S C S Heat index 102107109102 90 85 85 90100106106 92 91 98 96 89 Max heat 107 110 98 90 106 109 88 98 98 Excess Heat W W Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 Thu 07/11/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 90 76 90 75 90 74 88 Temp 77 79 88 83 78 80 88 83 77 79 89 84 76 78 87 84 Dewpt 73 74 75 74 72 73 73 72 72 72 72 71 71 69 69 69 PWind dir S S S SW SW S S NE Wind char LT LT GN GN GN GN LT LT Avg clouds B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B2 B1 PoP 12hr 30 30 10 40 40 40 40 40 Rain shwrs S C S C S C C C C C C C C C Tstms S S S C C C C C C C S C $$ WVZ502-052000- Petersburg WV 38.99N 79.15W Elev. 963 ft 1038 AM EDT Fri Jul 5 2024 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 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 69 92 63 92 Temp 86 92 94 86 75 73 70 75 84 89 91 83 72 68 64 69 82 88 91 82 Dewpt 72 69 67 71 71 70 69 69 68 64 62 65 64 64 63 65 64 63 63 67 RH 63 47 41 61 87 90 97 82 59 44 38 55 76 87 97 87 55 43 40 61 Wind dir W W W SW S S S SW W W W W W W W W N S W NW Wind spd 6 6 6 4 3 3 2 3 4 6 6 5 2 2 2 1 2 3 3 3 Clouds SC SC B1 B1 B2 B1 B1 B1 SC SC FW FW SC SC SC SC SC SC FW SC PoP 12hr 20 40 10 5 10 QPF 12hr 0 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S Tstms S C C S Heat index 92 97 98 91 87 90 92 85 83 89 92 85 Max heat 97 99 86 90 93 89 93 Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 Thu 07/11/24 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 93 68 91 67 87 63 87 Temp 70 71 91 81 70 72 88 81 69 70 86 81 66 68 85 80 Dewpt 65 66 66 70 69 69 70 71 68 65 64 66 64 64 63 66 PWind dir W S S SW SW W W NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW SC B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 10 30 20 70 40 40 30 40 Rain shwrs C S C L C S C C C S S C Tstms C S S C C S S C S C $$ MDZ014-052000- Annapolis MD 38.99N 76.49W Elev. 7 ft 1038 AM EDT Fri Jul 5 2024 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 95 80 92 76 91 Temp 87 91 94 90 84 83 82 82 87 90 90 84 79 78 77 79 85 88 90 86 Dewpt 77 77 76 77 78 76 75 74 75 75 76 76 76 74 73 73 71 71 70 72 RH 72 64 56 66 82 80 79 77 68 62 64 77 91 88 87 82 63 57 52 63 Wind dir S S S S S S SW SW S S S S S W NW N N E SE S Wind spd 6 9 11 11 8 8 6 6 6 9 9 8 4 4 3 4 5 6 8 6 Clouds B1 SC SC SC B1 B1 B1 B1 SC B1 B1 B2 OV B2 B2 B2 B1 B1 B1 B1 PoP 12hr 10 20 50 50 20 QPF 12hr 0 0.03 0.33 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C C S S S S S S S Tstms S S S C C C C S S S S Heat index 99105107103 95 91 89 88 96101102 93 90 94 96 92 Max heat 105 107 100 89 101 105 89 94 96 Heat Y Y Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 Thu 07/11/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 90 76 89 75 89 74 88 Temp 79 79 88 84 78 79 87 84 78 78 86 84 78 78 86 84 Dewpt 73 74 74 74 73 74 75 74 73 72 71 71 70 68 69 70 PWind dir S SE S S SW SW W SE Wind char LT GN GN GN GN LT LT LT Avg clouds SC SC B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 PoP 12hr 20 30 20 50 50 40 40 40 Rain shwrs S S S C S S C C C C C C C C C Tstms S S C S C C C S C C C $$