Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
586 FOUS51 KLWX 030537 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 137 AM EDT Wed Jul 3 2024 VAZ054-032000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 137 AM EDT Wed Jul 3 2024 Date Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 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 90 74 95 78 96 Temp 68 72 81 86 89 84 78 76 74 77 86 91 91 86 82 80 78 80 88 92 93 89 Dewpt 61 64 63 61 61 63 63 64 64 65 67 69 72 74 74 74 74 74 74 73 74 75 RH 78 76 54 43 39 49 60 66 71 67 53 49 54 68 77 82 88 82 63 54 54 64 Wind dir S S S S S S S S S S SW S SW SW S W SW SW SW SW S SE Wind spd 4 4 8 9 10 10 9 8 8 8 6 5 6 5 3 3 3 3 4 5 6 8 Clouds FW B1 FW FW FW SC FW SC SC SC SC B1 B2 B2 B2 B2 B1 B1 B1 SC B1 B1 PoP 12hr 0 5 50 40 30 QPF 12hr 0 0 0.16 0.08 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S C C C Tstms C C C C S S C C C Heat index 82 86 89 85 89 96 99 94 88 84 84 97101103 99 Max heat 86 89 83 96 99 91 84 101 103 Date Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 Tue 07/09/24 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 95 75 93 76 94 76 93 Temp 83 81 93 88 80 76 90 88 78 78 92 87 80 77 91 86 Dewpt 75 75 75 75 72 67 64 67 69 69 68 70 72 72 71 72 PWind dir S SW W W S S S S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B1 SC SC SC B1 SC SC B1 B1 B1 B1 PoP 12hr 40 60 40 20 10 30 20 50 Rain shwrs C S C L C S C S S S C Tstms C S S C C S C S S S C $$ MDZ013-032000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 137 AM EDT Wed Jul 3 2024 Date Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 71 94 74 93 Temp 65 70 80 85 87 81 76 74 72 75 85 91 90 85 79 76 75 78 86 91 91 87 Dewpt 61 65 63 61 63 63 65 65 65 67 69 71 73 75 75 75 74 75 76 75 76 76 RH 87 84 56 45 45 54 69 74 79 76 59 52 58 72 88 97 97 91 72 60 62 70 Wind dir S S S S S S S S S SW S S S S S SW W SW SW S S SE Wind spd 3 3 6 10 11 10 8 5 5 5 5 5 5 3 2 2 2 2 3 5 5 5 Clouds FW SC FW FW SC SC SC SC SC SC B1 B2 B2 OV B2 B2 B1 B1 B1 B1 B1 B2 PoP 12hr 0 5 50 40 30 QPF 12hr 0 0 0.28 0.09 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S C C C Tstms C C C C S S C C C Heat index 81 85 88 82 89 98 98 94 96102103 98 Max heat 85 88 98 99 90 102 105 Date Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 Tue 07/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 94 72 92 72 92 74 91 Temp 79 78 92 85 76 75 90 86 74 75 90 85 76 76 90 84 Dewpt 75 77 76 76 73 69 67 69 69 70 71 72 72 74 73 73 PWind dir S S W W S SE S S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B1 SC SC SC B1 B1 B1 B1 B2 B1 B1 PoP 12hr 40 60 50 20 10 30 30 50 Rain shwrs C S C L C S S C C S C C Tstms C S C C C S S C S S S C $$ MDZ011-032000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 137 AM EDT Wed Jul 3 2024 Date Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 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 90 75 95 78 96 Temp 70 73 83 87 89 84 80 77 76 77 88 92 92 88 83 81 80 80 89 92 94 90 Dewpt 61 63 60 60 60 61 64 64 65 65 66 69 71 73 74 73 73 74 74 73 73 74 RH 73 71 46 40 38 46 58 64 69 67 48 47 51 61 74 77 79 82 61 54 51 60 Wind dir S S S SE SE S S S S SW S S S S S SW W SW SW S S S Wind spd 3 3 6 10 11 10 8 5 4 5 5 6 5 3 2 1 1 2 3 5 5 4 Clouds FW SC FW FW FW FW SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B2 B1 B1 B1 B1 PoP 12hr 0 5 50 40 30 QPF 12hr 0 0 0.37 0.08 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S C C C Tstms C C C C S S C C C Heat index 83 87 89 84 82 90 97 99 96 90 86 84 84 98101103 99 Max heat 87 89 84 97 99 94 86 101 103 Date Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 Tue 07/09/24 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 97 76 94 76 94 77 94 Temp 83 80 94 88 81 76 91 90 79 78 92 88 80 78 92 87 Dewpt 75 74 75 75 71 67 64 66 68 68 68 69 70 71 71 71 PWind dir S S W W S SE S S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B1 SC SC SC B1 SC SC B1 B2 B1 B1 PoP 12hr 40 60 50 10 10 30 30 50 Rain shwrs C S C L C S C C S C C Tstms C S C C C S C S S S C $$ WVZ052-032000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 137 AM EDT Wed Jul 3 2024 Date Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 68 90 70 91 Temp 60 68 79 85 87 84 76 72 69 75 84 87 85 81 74 72 71 75 82 88 89 85 Dewpt 56 59 60 61 61 62 62 64 63 65 69 70 71 72 72 72 71 72 72 72 71 72 RH 87 73 52 45 42 48 62 76 81 71 61 57 63 74 93100100 90 72 59 56 65 Wind dir S S S S S S S S S S W W SW S SW W W W W SW S S Wind spd 4 5 9 10 10 8 8 5 3 3 3 5 4 2 1 1 1 1 2 4 4 2 Clouds SC CL FW SC SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B2 B1 SC SC B1 PoP 12hr 0 10 70 40 40 QPF 12hr 0 0 0.17 0.07 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L C C S S S S C C C Tstms S L C C C S S S C C C Heat index 85 87 85 88 92 90 85 87 95 95 91 Max heat 85 87 81 92 92 95 96 Date Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 Tue 07/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 92 66 89 65 91 69 89 Temp 74 77 89 84 69 72 87 84 68 71 89 84 71 74 87 82 Dewpt 72 73 71 66 65 64 61 63 64 65 65 66 68 69 68 68 PWind dir S SW W NW N S S SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 PoP 12hr 40 50 20 10 5 20 20 50 Rain shwrs C S C C S S S S C Tstms C S S C S S S S C $$ VAZ506-032000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 137 AM EDT Wed Jul 3 2024 Date Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 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 71 95 73 95 Temp 63 70 80 86 89 84 78 74 72 75 87 92 89 83 78 76 74 77 86 92 93 88 Dewpt 59 65 65 64 65 64 65 64 64 66 70 72 75 76 75 75 74 75 76 75 76 76 RH 87 84 60 48 45 51 64 71 76 74 57 52 64 80 91 97100 94 72 58 58 68 Wind dir S S S S S S S S S S SW SW SW W SW W W SW W SW SW S Wind spd 4 5 8 9 9 8 8 6 5 5 4 4 4 3 2 2 2 2 2 4 4 4 Clouds SC SC FW FW SC FW SC SC SC SC B1 B1 B2 B2 B2 B1 B1 B2 B1 B1 B1 B1 PoP 12hr 0 5 60 40 40 QPF 12hr 0 0 0.26 0.05 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C C S S C C C Tstms C L C S S S C C C Heat index 82 87 91 85 92100 99 91 96103106 99 Max heat 87 91 83 100 101 87 103 106 Date Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 Tue 07/09/24 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 94 70 91 70 93 73 91 Temp 78 78 91 87 74 74 89 87 73 74 91 86 75 75 90 84 Dewpt 75 77 75 75 69 68 66 69 69 70 70 72 72 73 73 73 PWind dir S SW W W SE S S S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC B1 SC SC SC SC SC B1 SC SC B1 B1 B1 B1 PoP 12hr 40 60 40 20 10 30 20 50 Rain shwrs C S C L C S C S S C Tstms C S S C C S C S S C $$ VAZ037-032000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 137 AM EDT Wed Jul 3 2024 Date Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 70 95 73 96 Temp 62 68 80 86 89 85 77 74 72 75 87 92 89 85 79 76 75 77 88 92 92 87 Dewpt 57 61 63 61 63 63 64 64 62 65 68 69 72 72 72 72 71 73 73 72 73 72 RH 84 78 56 43 42 48 64 71 71 71 53 47 57 65 79 87 87 87 61 52 54 61 Wind dir S S S S S S S S S S SW SW SW SW SW W W SW SW SW SW S Wind spd 2 2 5 8 8 6 4 4 3 3 4 5 4 2 1 1 1 2 2 5 5 4 Clouds SC FW FW FW SC FW FW FW FW FW B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 0 5 60 30 50 QPF 12hr 0 0 0.24 0.04 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C C S S C C C Tstms L L C C S S C C C Heat index 81 86 90 86 91 97 96 91 96100101 94 Max heat 86 90 83 97 98 88 100 102 Date Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 Tue 07/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 94 70 93 71 92 73 91 Temp 79 78 92 87 74 73 90 87 74 73 90 85 75 75 89 85 Dewpt 72 74 72 69 67 66 64 66 67 68 68 69 70 70 69 69 PWind dir SW SW W E W S S S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC B1 SC SC SC SC SC B1 SC SC B1 B1 B1 B1 PoP 12hr 40 60 30 20 10 30 20 50 Rain shwrs C C L C S C S S C Tstms C S C C S C S S C $$ MDZ003-032000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 137 AM EDT Wed Jul 3 2024 Date Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 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 88 72 91 72 92 Temp 62 70 79 85 88 85 78 74 72 76 84 88 87 82 76 74 73 76 82 88 91 86 Dewpt 58 62 63 64 64 64 64 64 64 66 71 73 74 74 74 73 72 74 75 74 73 74 RH 87 76 58 50 45 50 62 71 76 71 65 61 65 77 94 97 97 94 79 63 56 68 Wind dir S S S S S S S S S S SW SW W S SW SW SW SW W SW S S Wind spd 6 6 9 11 10 8 8 6 4 4 4 5 4 2 2 1 1 2 3 4 5 3 Clouds SC FW SC FW SC SC FW SC SC SC B2 B2 B1 B2 B2 B2 B2 B2 B1 SC SC B1 PoP 12hr 0 10 60 40 40 QPF 12hr 0 0 0.18 0.06 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L C C C C C C C Tstms S L L C C C C C C C Heat index 86 89 86 89 96 95 88 89 97100 94 Max heat 86 89 83 96 97 84 97 100 Date Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 Tue 07/09/24 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 92 68 90 68 91 71 90 Temp 76 78 90 84 72 73 87 85 70 73 89 85 73 75 88 82 Dewpt 74 75 73 68 66 66 64 65 66 67 67 68 70 71 70 70 PWind dir S SW W W NE S S SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 SC SC SC SC SC SC SC SC SC SC B1 B1 B1 PoP 12hr 40 50 20 5 5 20 20 50 Rain shwrs C S C C S S S S C Tstms C S S C S S S S C $$ MDZ017-032000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 137 AM EDT Wed Jul 3 2024 Date Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 72 92 76 93 Temp 68 75 81 84 84 80 76 74 73 78 86 91 90 83 79 79 77 80 87 91 90 85 Dewpt 63 66 64 64 64 64 65 65 65 67 69 71 73 73 73 73 73 74 75 75 76 75 RH 84 74 56 51 51 58 69 74 76 69 57 52 58 72 82 82 87 82 68 60 64 72 Wind dir S S SE SE SE S S S S S S S S S S S SW SW S S SE S Wind spd 4 3 6 11 13 12 11 10 9 10 9 10 10 8 5 5 5 5 5 8 8 6 Clouds SC SC SC FW FW FW FW SC SC FW SC SC B1 B2 B1 B2 B1 B1 SC B1 SC B1 PoP 12hr 0 5 30 40 30 QPF 12hr 0 0 0.06 0.09 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S C C C Tstms S C C S S S C C C Heat index 83 85 85 82 90 98 98 89 84 96102102 94 Max heat 85 85 98 99 86 84 102 103 Date Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 Tue 07/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 94 76 90 75 91 76 91 Temp 80 81 92 85 78 79 88 85 77 79 89 83 78 79 89 83 Dewpt 74 74 75 76 74 72 69 70 71 73 73 72 73 74 74 74 PWind dir S S SW N S SE S S Wind char LT GN LT LT LT LT LT LT Avg clouds B1 B1 SC B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 40 60 50 30 20 30 20 40 Rain shwrs C C S L C C C C S S S C S S C C Tstms C C S C C C S C S S S C S S S C $$ WVZ502-032000- Petersburg WV 38.99N 79.15W Elev. 963 ft 137 AM EDT Wed Jul 3 2024 Date Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 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 69 91 68 93 Temp 57 66 81 88 91 84 75 71 69 74 85 87 87 81 74 71 70 73 85 90 90 83 Dewpt 53 58 63 64 65 68 67 65 65 68 71 73 72 73 73 71 70 72 73 72 73 74 RH 86 75 54 45 42 59 76 81 87 82 63 63 61 77 97100100 97 67 56 58 74 Wind dir S S S S S S S S S SW W W W SW SW SW SW SW W W W SW Wind spd 3 4 4 5 5 4 3 4 3 2 3 4 3 2 2 2 2 2 2 4 4 3 Clouds FW FW SC B1 B1 SC SC SC B1 SC B1 B1 B2 B2 B1 B2 B1 B1 SC B1 B1 B1 PoP 12hr 5 10 80 40 60 QPF 12hr 0 0 0.16 0.07 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D C C C C C C L L C Tstms C L C C C C C S C C C C Heat index 82 89 93 87 90 94 94 86 92 97 98 90 Max heat 89 93 83 94 95 97 100 Date Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 Tue 07/09/24 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 90 62 90 64 91 67 89 Temp 73 73 88 81 66 67 88 83 66 69 89 82 69 71 88 80 Dewpt 72 72 69 66 64 64 62 65 63 64 66 68 66 67 68 70 PWind dir SW W W W W S SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 PoP 12hr 50 50 10 10 10 30 20 50 Rain shwrs C C C C C S S C Tstms C C S C C S S C $$ MDZ014-032000- Annapolis MD 38.99N 76.49W Elev. 7 ft 137 AM EDT Wed Jul 3 2024 Date Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 73 89 76 91 Temp 69 73 79 83 84 80 77 76 74 77 84 87 87 83 79 79 77 80 85 89 89 85 Dewpt 63 66 65 65 63 65 68 67 66 67 70 73 73 75 76 75 75 75 77 77 76 77 RH 81 79 62 55 49 60 74 74 76 71 63 63 63 77 91 88 94 85 77 68 66 77 Wind dir S S S S S S S S S S S S S S S SW SW SW S S S S Wind spd 3 4 8 12 12 12 11 9 8 8 8 9 9 5 3 2 2 2 4 6 8 5 Clouds FW SC FW FW FW FW FW FW SC SC SC B1 B1 B2 B2 B1 B1 B1 SC B1 SC B1 PoP 12hr 0 5 40 50 30 QPF 12hr 0 0 0.17 0.10 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S C C C Tstms C C C C S S C C C Heat index 85 85 82 88 94 94 90 85 96102100 96 Max heat 85 85 94 94 87 85 102 103 Date Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 Tue 07/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 91 76 90 75 89 76 89 Temp 81 80 89 84 79 78 88 85 78 78 88 84 79 77 87 84 Dewpt 76 76 78 77 75 70 69 71 71 71 73 73 73 73 75 74 PWind dir S S SW SW S S S S Wind char LT GN LT LT LT LT LT LT Avg clouds B1 B1 SC B1 B1 B1 SC SC SC B1 SC SC B1 B1 B1 B1 PoP 12hr 40 60 50 20 10 30 30 50 Rain shwrs C S C L C S S S S C C S C C Tstms C S C C C S S S C S S S C $$