Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
185 FOUS51 KLWX 081738 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 138 PM EDT Mon Jul 8 2024 VAZ054-082000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 138 PM EDT Mon Jul 8 2024 Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 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 78 96 79 95 Temp 95 98 91 85 82 79 81 91 96 96 90 84 82 79 82 90 95 94 90 Dewpt 70 71 72 73 74 74 74 74 71 71 73 74 74 74 74 74 73 72 73 RH 45 42 54 67 77 85 79 58 45 45 58 72 77 85 77 60 49 49 58 Wind dir S S S S S S S S S S S S S S S S S S S Wind spd 6 8 8 5 5 4 5 5 6 9 8 6 6 8 9 11 13 16 14 Clouds B1 B1 SC B1 SC SC SC SC SC SC SC B1 SC SC B1 SC SC B1 B1 PoP 12hr 10 5 20 20 50 QPF 12hr 0.01 0 0.03 0.07 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S C C C Tstms S S S S S C C C Heat index 102106 99 92 88 86101104104 98 91 88 88 99105102 98 Max heat 102 106 96 86 104 104 97 88 105 105 Date Thu 07/11/24 Fri 07/12/24 Sat 07/13/24 Sun 07/14/24 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 93 77 86 76 92 77 95 Temp 82 81 90 86 80 79 83 81 78 79 88 85 79 80 92 88 Dewpt 72 74 73 73 72 71 71 70 72 71 70 72 72 71 68 69 PWind dir S S S S S W SW SW Wind char GN GN LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 SC SC FW FW FW FW PoP 12hr 50 60 70 80 50 50 20 20 Rain shwrs C C C L L L L D C C C C S S Tstms C C S C L C C C C C C S S $$ MDZ013-082000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 138 PM EDT Mon Jul 8 2024 Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 98 78 97 79 96 Temp 96 98 91 84 81 79 81 93 97 97 90 83 81 79 83 92 95 95 91 Dewpt 68 70 70 73 74 73 75 75 73 73 74 75 74 74 76 76 75 74 75 RH 40 41 50 70 79 82 82 56 46 46 60 77 79 85 80 60 53 51 60 Wind dir SE SE S S S S S S S S S S S S S S S S S Wind spd 6 8 6 4 3 3 3 5 6 9 6 6 4 4 5 9 12 16 13 Clouds SC SC B1 B1 B1 SC SC B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 5 5 20 20 50 QPF 12hr 0.01 0 0.03 0.05 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C C Tstms S S S S S C C C Heat index 101105 97 90 86 87105107107 99 90 86 91105107106102 Max heat 101 105 95 87 107 107 97 91 107 107 Heat Y Y Date Thu 07/11/24 Fri 07/12/24 Sat 07/13/24 Sun 07/14/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 92 74 86 73 90 74 95 Temp 84 81 90 86 78 77 84 81 76 77 88 85 77 78 92 88 Dewpt 74 75 75 75 74 74 74 73 73 74 74 73 73 73 70 71 PWind dir S S S S SW SW SW SW Wind char GN GN LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 SC SC FW FW FW FW PoP 12hr 50 60 70 80 60 50 20 20 Rain shwrs C C C L L L L D L C C C S S Tstms C C C C L C C C C C S C S S $$ MDZ011-082000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 138 PM EDT Mon Jul 8 2024 Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 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 97 80 96 Temp 95 98 90 85 81 79 82 92 96 97 88 85 80 80 83 92 95 96 88 Dewpt 69 71 69 72 73 74 74 73 72 72 73 74 74 75 74 74 74 73 74 RH 43 42 50 65 77 85 77 54 46 45 61 70 82 85 74 56 51 48 63 Wind dir SE SE SE S S S S S SE S S S S S S S S S S Wind spd 6 8 6 4 3 3 3 5 8 9 6 6 3 3 5 9 13 17 14 Clouds SC SC B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 5 5 20 20 50 QPF 12hr 0.01 0 0.02 0.03 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C C Tstms S S S S S C C C Heat index 101106 95 91 86 88101105106 96 93 84 85 90102106106 97 Max heat 101 106 94 88 105 106 96 90 106 106 Heat Y Y Date Thu 07/11/24 Fri 07/12/24 Sat 07/13/24 Sun 07/14/24 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 95 79 89 77 93 77 97 Temp 82 82 92 86 81 80 87 82 79 80 90 86 80 81 95 89 Dewpt 72 74 73 73 72 71 71 70 72 71 70 71 71 71 68 69 PWind dir S S S S S SW SW SW Wind char GN GN LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 SC SC FW FW FW FW PoP 12hr 50 60 70 80 60 50 20 20 Rain shwrs C C C L L L L D L C C C S S Tstms C C C C L C C C C C S C S S $$ WVZ052-082000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 138 PM EDT Mon Jul 8 2024 Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 94 72 97 75 95 Temp 92 94 90 81 77 73 78 90 96 96 91 82 78 75 80 91 94 94 89 Dewpt 67 65 68 69 70 69 70 70 68 68 70 71 71 71 72 71 71 70 71 RH 44 39 49 67 79 87 76 52 40 40 50 69 79 87 77 52 47 46 56 Wind dir S S S S S SW S SE S S S S S S S S S S S Wind spd 5 5 5 3 2 1 1 2 4 5 4 3 3 3 4 9 13 14 12 Clouds B1 B1 SC SC SC B1 B1 B1 B1 SC B1 B1 B1 SC B1 SC SC SC B1 PoP 12hr 10 5 20 20 60 QPF 12hr 0.02 0 0 0 0.11 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C L L L Tstms S S S S S C C L Obvis PF Heat index 96 97 94 84 96101101 97 86 84 98101100 95 Max heat 96 97 87 101 101 90 84 101 102 Date Thu 07/11/24 Fri 07/12/24 Sat 07/13/24 Sun 07/14/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 88 69 84 68 89 68 92 Temp 78 76 85 83 73 72 80 80 71 72 86 83 71 74 89 86 Dewpt 70 71 69 68 69 68 67 68 68 68 65 66 68 68 63 66 PWind dir S W NW S S W W W Wind char GN LT LT LT LT LT LT LT Avg clouds B1 B1 SC SC B1 B1 B1 B1 B1 SC SC FW FW FW FW FW PoP 12hr 70 50 50 70 40 40 10 20 Rain shwrs L C C C C C C L C S C C S Tstms L C S S S S C C C S S C S $$ VAZ506-082000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 138 PM EDT Mon Jul 8 2024 Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 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 76 98 78 96 Temp 95 97 92 83 80 77 81 92 98 97 91 85 80 78 81 92 96 95 92 Dewpt 69 69 71 73 74 73 74 74 72 72 73 74 74 74 75 75 75 74 73 RH 43 40 51 72 82 87 79 56 43 45 56 70 82 88 82 58 51 51 54 Wind dir S S SE S S S S S S S S S S S S S S S S Wind spd 5 6 6 5 4 3 3 4 5 8 6 5 4 5 6 10 12 13 12 Clouds B1 B1 SC SC B1 SC B1 SC B1 B1 B1 B1 SC SC SC SC B1 SC B1 PoP 12hr 10 10 20 20 50 QPF 12hr 0.01 0 0.01 0.01 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C C Tstms S S S S S C C C Heat index 101103 99 89 84 86102107106100 93 84 87103108106101 Max heat 101 103 95 86 107 107 97 87 108 107 Heat Y Y Date Thu 07/11/24 Fri 07/12/24 Sat 07/13/24 Sun 07/14/24 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 92 73 83 71 90 72 94 Temp 80 80 90 86 77 76 82 81 74 76 88 85 75 76 92 88 Dewpt 73 75 75 73 72 73 74 73 72 73 73 73 73 73 69 71 PWind dir S SW W S S W SW W Wind char GN LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 SC SC SC FW FW FW PoP 12hr 50 60 70 80 50 50 20 20 Rain shwrs C C C L L L L D C S C C S S Tstms C C S C C C C C C S S C S S $$ VAZ037-082000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 138 PM EDT Mon Jul 8 2024 Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 95 73 96 76 93 Temp 91 95 89 80 76 73 78 90 95 95 89 82 77 76 79 88 92 93 88 Dewpt 71 70 71 72 71 70 72 73 70 71 72 72 72 72 73 73 73 72 72 RH 52 45 56 77 85 90 82 58 45 46 57 72 85 87 82 61 54 51 59 Wind dir S S S S S S S S S S S S S S S S S S S Wind spd 4 5 3 3 2 2 2 3 5 6 4 4 4 4 5 8 11 12 10 Clouds B1 SC B1 SC SC SC SC SC SC SC SC SC SC SC SC SC B1 SC SC PoP 12hr 20 10 30 20 60 QPF 12hr 0.04 0 0.17 0.04 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C S S C C L L C Tstms S S S C S S S C L C Obvis PF Heat index 98102 95 84 98102103 96 87 96101101 95 Max heat 98 103 90 102 104 91 101 102 Date Thu 07/11/24 Fri 07/12/24 Sat 07/13/24 Sun 07/14/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 92 72 84 71 91 71 94 Temp 77 77 90 85 75 75 81 79 74 75 87 83 74 76 92 86 Dewpt 70 71 70 69 69 70 69 69 70 70 69 70 69 69 65 68 PWind dir S S E SE SW SW W W Wind char GN LT LT LT LT LT LT LT Avg clouds B1 B1 SC SC B1 B2 B2 B1 B1 B1 SC SC SC FW FW FW PoP 12hr 50 60 60 80 40 50 10 20 Rain shwrs C C C L L L L D C S C C S Tstms C C C L C C L C S S C S $$ MDZ003-082000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 138 PM EDT Mon Jul 8 2024 Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 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 74 97 76 94 Temp 93 94 90 82 77 74 78 88 96 96 89 83 79 76 81 89 94 92 88 Dewpt 67 65 68 70 71 70 72 72 69 69 70 72 72 72 74 75 73 72 72 RH 43 39 49 67 82 87 82 59 42 42 54 70 79 87 79 64 51 52 59 Wind dir S S SE S S S S S S S S S S SE S S S S S Wind spd 6 6 5 3 3 2 2 3 5 6 5 4 3 3 4 8 11 13 11 Clouds SC B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 SC B1 B1 SC SC B1 PoP 12hr 10 5 20 20 70 QPF 12hr 0.01 0 0 0 0.14 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C L L L Tstms S S S S S C C L Heat index 97 97 94 86 95102102 94 88 86 99103100 95 Max heat 97 98 89 102 102 90 86 103 103 Date Thu 07/11/24 Fri 07/12/24 Sat 07/13/24 Sun 07/14/24 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 89 72 84 70 90 69 93 Temp 77 76 86 84 75 75 82 80 73 74 87 84 73 75 91 86 Dewpt 72 74 73 71 71 70 71 70 71 71 69 70 70 70 67 68 PWind dir S W N SE S W W W Wind char GN LT LT LT LT LT LT LT Avg clouds B1 B1 SC SC B1 B1 B1 B1 B1 SC SC FW FW FW FW FW PoP 12hr 70 50 50 60 40 40 10 20 Rain shwrs L C C C C C C L C S C C S Tstms L C S S S S C C C S S C S $$ MDZ017-082000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 138 PM EDT Mon Jul 8 2024 Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 79 94 80 94 Temp 92 92 87 82 80 79 85 92 94 94 88 83 81 80 85 91 94 94 88 Dewpt 75 76 74 74 74 74 75 75 76 75 75 75 74 74 74 75 76 75 74 RH 58 60 65 77 82 85 72 58 56 54 66 77 79 82 70 60 56 54 63 Wind dir SE S S S S S SW S SE SE S S S S S S S S S Wind spd 6 8 6 5 5 5 5 6 10 11 11 10 8 8 9 11 16 18 16 Clouds B1 SC SC SC B1 SC FW SC B1 SC SC SC SC SC SC SC SC FW SC PoP 12hr 30 5 10 20 30 QPF 12hr 0.03 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S S C C C Tstms S S S S S S C C Heat index 103105 95 88 84 94103107106 98 90 86 84 93102107106 97 Max heat 103 105 93 94 107 107 94 93 107 107 Heat Y Y Date Thu 07/11/24 Fri 07/12/24 Sat 07/13/24 Sun 07/14/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 90 76 86 75 90 75 92 Temp 84 84 89 84 79 80 85 81 77 79 88 84 77 80 91 86 Dewpt 73 76 76 76 74 75 75 74 73 74 75 74 73 74 73 73 PWind dir S S S S S SW SW SW Wind char GN GN LT GN LT LT LT LT Avg clouds SC B1 SC B1 B1 B2 B1 B1 B1 B1 SC SC SC SC FW FW PoP 12hr 30 60 70 80 50 60 20 20 Rain shwrs C C C L L L L D C C C L S S S Tstms C C C L L C C C C C S C S S $$ WVZ502-082000- Petersburg WV 38.99N 79.15W Elev. 963 ft 138 PM EDT Mon Jul 8 2024 Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 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 67 94 71 93 Temp 92 94 87 76 72 68 73 89 93 93 85 78 74 71 77 90 93 92 84 Dewpt 65 66 69 68 66 65 67 68 67 68 70 71 69 69 70 71 71 71 72 RH 41 40 55 76 81 90 81 50 43 44 61 79 84 93 79 54 49 51 67 Wind dir SW S S S S SW W NE SE S SE S SW S S S S S S Wind spd 2 3 2 2 2 2 1 1 3 3 3 2 3 3 2 5 8 11 9 Clouds B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 SC SC SC SC SC B1 PoP 12hr 30 5 30 20 70 QPF 12hr 0.03 0 0 0 0.25 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S C S S S S C C L L L Tstms S S S C S S S S C L L L Obvis PF Heat index 94 97 91 93 97 97 90 96100 99 90 Max heat 94 98 87 97 98 86 100 100 Date Thu 07/11/24 Fri 07/12/24 Sat 07/13/24 Sun 07/14/24 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 89 66 85 66 91 64 93 Temp 72 71 87 81 69 70 83 79 69 70 88 82 68 71 91 84 Dewpt 68 69 69 69 67 67 67 69 67 67 65 67 65 65 64 67 PWind dir SW W W SE SW W SW W Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC B1 SC B1 B1 B1 SC FW FW FW CL FW FW PoP 12hr 60 50 40 60 40 40 10 20 Rain shwrs L C C C C C C L C S C C S Tstms L C S S C C C S S C S $$ MDZ014-082000- Annapolis MD 38.99N 76.49W Elev. 7 ft 138 PM EDT Mon Jul 8 2024 Date Mon 07/08/24 Tue 07/09/24 Wed 07/10/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 94 79 93 79 93 Temp 92 94 86 83 81 79 82 89 92 93 87 82 82 79 84 89 90 93 87 Dewpt 72 75 73 75 75 75 75 76 76 75 75 76 75 75 75 76 77 76 75 RH 52 54 65 77 82 88 79 66 60 56 68 82 79 88 74 66 66 58 68 Wind dir S S S S S S S S S S S S S S S S S S S Wind spd 6 6 8 6 5 4 4 6 10 10 11 9 6 6 8 12 16 17 17 Clouds SC SC SC SC SC SC SC SC SC SC SC B1 SC B1 B1 SC SC SC SC PoP 12hr 10 5 20 20 40 QPF 12hr 0.01 0 0 0.09 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C C Tstms S S S S C C C Heat index 100106 93 90 87 89100105105 96 89 89 92100103106 96 Max heat 100 106 93 89 105 105 95 92 103 106 Heat Y Y Date Thu 07/11/24 Fri 07/12/24 Sat 07/13/24 Sun 07/14/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 89 77 84 76 88 76 91 Temp 84 82 88 84 80 80 83 81 79 79 86 84 79 80 89 86 Dewpt 74 75 77 76 74 74 74 73 74 74 75 75 73 73 73 73 PWind dir S S S S S SW SW SW Wind char GN GN LT GN LT LT LT LT Avg clouds SC B1 B1 B1 B1 B2 B1 B1 B1 B1 SC SC FW FW FW FW PoP 12hr 50 60 70 80 60 60 20 20 Rain shwrs C C C L L L L D L C C L S S Tstms C C C C L C C C C C S C S S $$