Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
552 FOUS51 KLWX 030837 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 437 AM EDT Wed Jul 3 2024 VAZ054-032000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 437 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 73 94 77 96 Temp 68 71 80 87 89 84 78 74 73 76 87 94 91 87 81 79 77 79 90 95 95 89 Dewpt 62 64 62 60 60 62 64 64 64 65 67 69 72 73 73 73 73 72 72 70 69 71 RH 81 79 54 40 38 48 62 71 73 69 52 44 54 63 77 82 87 79 56 45 43 56 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 B1 B1 FW FW SC SC SC SC SC SC SC B2 B2 B2 B2 B2 B1 B1 SC B1 B1 B2 PoP 12hr 0 5 50 40 40 QPF 12hr 0 0 0.39 0.04 0.12 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C C C C Tstms C C C C C C C Heat index 81 87 89 85 90 99 99 94 86 97102101 95 Max heat 87 89 83 99 100 90 102 103 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 95 75 93 76 94 76 93 Temp 81 81 93 88 80 76 90 88 78 78 92 87 80 77 91 86 Dewpt 74 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 B2 B2 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 $$ MDZ013-032000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 437 AM EDT Wed Jul 3 2024 Date Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 71 92 75 93 Temp 65 69 80 85 86 81 76 74 72 75 87 92 90 85 79 76 75 78 87 92 92 88 Dewpt 62 64 61 60 61 62 65 64 64 66 67 69 72 73 74 74 73 73 72 70 71 72 RH 90 84 52 43 43 53 69 71 76 74 52 47 56 67 85 94 94 85 61 49 51 59 Wind dir S S S S S S S S S SW S S S S S SW W SW SW S S SE Wind spd 3 3 6 10 11 10 8 5 5 5 5 5 5 3 2 2 2 2 3 5 5 5 Clouds SC SC FW FW SC SC SC SC SC SC SC B2 B2 B2 B2 B2 B1 B2 B1 B1 B1 B2 PoP 12hr 0 5 50 40 40 QPF 12hr 0 0 0.26 0.10 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C S S S S C C C Tstms C C C C S S S C C C Heat index 81 85 86 82 90 97 97 92 94 98 99 95 Max heat 85 87 97 98 90 98 99 Date Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 Tue 07/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 94 72 92 72 92 74 91 Temp 79 78 92 85 76 75 90 86 74 75 90 85 76 76 90 84 Dewpt 74 77 76 76 73 69 67 69 69 70 71 72 72 74 73 73 PWind dir S S W W S SE S S Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 B1 B1 B1 SC SC SC B1 B1 B1 B1 B2 B1 B1 PoP 12hr 40 60 50 20 10 30 30 50 Rain shwrs C S C L C S S C C S C C Tstms C S C C C S S C S S S C $$ MDZ011-032000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 437 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 74 93 77 94 Temp 70 71 82 88 89 82 77 75 74 76 88 93 91 85 82 79 78 78 89 93 94 89 Dewpt 61 62 59 59 60 60 64 64 64 65 66 69 71 72 74 73 73 72 71 69 69 70 RH 73 73 46 38 38 47 64 69 71 69 48 46 52 65 77 82 85 82 56 46 44 54 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 SC SC FW FW SC SC SC SC SC SC SC B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B2 PoP 12hr 0 5 50 40 40 QPF 12hr 0 0 0.35 0.09 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C S S S S C C C Tstms C C C C S S S C C C Heat index 82 89 82 90 98 98 91 88 95 98 99 94 Max heat 87 89 83 98 99 90 98 99 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 97 76 94 76 94 77 94 Temp 82 80 94 88 81 76 91 90 79 78 92 88 80 78 92 87 Dewpt 74 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 B2 B2 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 $$ WVZ052-032000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 437 AM EDT Wed Jul 3 2024 Date Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 69 89 72 93 Temp 60 68 79 86 89 84 76 72 69 75 85 89 85 82 76 73 72 76 84 91 92 86 Dewpt 57 59 60 62 63 63 64 64 64 66 70 71 72 73 73 72 71 71 72 69 69 71 RH 90 73 52 45 42 49 66 76 84 74 61 56 65 74 90 97 97 85 67 49 47 61 Wind dir S S S S S S S S S S W W SW S SW W W W W SW S S Wind spd 4 5 9 10 10 8 8 5 3 3 3 5 4 2 1 1 1 1 2 4 4 2 Clouds FW FW SC SC SC SC SC SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 PoP 12hr 5 10 70 40 50 QPF 12hr 0 0 0.33 0.06 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C S S S S C C C Tstms S L C C C S S S C C C Heat index 86 90 85 90 95 91 87 90 96 97 91 Max heat 86 90 83 95 94 84 96 98 Date Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 Tue 07/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 92 66 89 65 91 69 89 Temp 74 77 89 84 69 72 87 84 68 71 89 84 71 74 87 82 Dewpt 72 73 71 66 65 64 61 63 64 65 65 66 68 69 68 68 PWind dir S SW W NW N S S SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 PoP 12hr 40 50 20 10 5 20 20 50 Rain shwrs C S C C S S S S C Tstms C S S C S S S S C $$ VAZ506-032000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 437 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 93 73 95 Temp 63 68 79 85 89 84 77 73 71 75 89 93 91 84 77 74 73 77 88 93 95 89 Dewpt 60 63 62 62 62 63 64 64 63 65 69 71 73 74 74 74 73 73 72 70 69 71 RH 90 84 56 46 41 49 64 73 76 71 52 49 56 72 90100100 87 59 47 43 56 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 SC SC SC SC SC SC SC SC B2 B2 B2 B2 B2 B1 B1 SC B1 B1 B2 PoP 12hr 0 5 60 40 50 QPF 12hr 0 0 0.41 0.02 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C S S S S C C C Tstms C L C S S S S C C C Heat index 86 89 85 94100100 91 95 99101 95 Max heat 86 89 82 100 101 88 99 101 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 70 91 70 93 73 91 Temp 77 78 91 87 74 74 89 87 73 74 91 86 75 75 90 84 Dewpt 74 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 B2 B2 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 $$ VAZ037-032000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 437 AM EDT Wed Jul 3 2024 Date Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 70 93 73 95 Temp 62 67 80 87 90 85 77 73 71 74 89 93 88 84 77 75 73 76 88 94 94 88 Dewpt 58 60 62 63 63 64 65 63 63 65 69 70 72 73 73 72 71 72 73 70 70 71 RH 87 78 54 45 41 50 67 71 76 74 52 47 59 70 87 90 93 87 61 46 46 57 Wind dir S S S S S S S S S S SW SW SW SW SW W W SW SW SW SW S Wind spd 2 2 5 8 8 6 4 4 3 3 4 5 4 2 1 1 1 2 2 5 5 4 Clouds FW FW SC SC SC FW FW SC SC FW SC B2 B2 B2 B1 B1 B1 B1 SC B1 B1 B2 PoP 12hr 0 5 60 30 50 QPF 12hr 0 0 0.57 0.07 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C S S C C C Tstms S L L C C S C C C Heat index 81 88 91 86 94 99 95 90 96100100 94 Max heat 88 91 83 99 99 86 100 102 Date Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 Tue 07/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 94 70 93 71 92 73 91 Temp 77 78 92 87 74 73 90 87 74 73 90 85 75 75 89 85 Dewpt 74 74 72 69 67 66 64 66 67 68 68 69 70 70 69 69 PWind dir SW SW W E W S S S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC B1 SC SC SC SC SC B1 SC SC B1 B1 B1 B1 PoP 12hr 30 60 30 20 10 30 20 50 Rain shwrs C C L C S C S S C Tstms C S C C S C S S C $$ MDZ003-032000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 437 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 90 72 92 Temp 62 69 80 85 88 85 78 74 71 77 87 90 88 84 75 74 72 75 83 89 92 85 Dewpt 58 61 61 62 63 63 63 63 63 66 70 72 73 73 74 72 71 71 72 70 70 71 RH 87 76 52 46 43 48 60 69 76 69 57 56 61 70 97 93 97 87 70 54 49 63 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 SC SC SC SC SC B1 SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 PoP 12hr 5 10 60 30 40 QPF 12hr 0 0 0.39 0.05 0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C S S S S C C C Tstms S L L C C S S S C C C Heat index 81 86 89 86 92 97 96 90 88 94 98 90 Max heat 86 89 82 97 97 86 94 98 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 75 78 90 84 72 73 87 85 70 73 89 85 73 75 88 82 Dewpt 73 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 B2 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 $$ MDZ017-032000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 437 AM EDT Wed Jul 3 2024 Date Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 72 91 76 92 Temp 68 74 81 85 85 80 75 73 72 77 85 90 90 83 78 77 76 81 88 91 90 85 Dewpt 64 66 65 65 64 65 66 66 66 67 69 71 73 74 74 74 73 73 73 72 72 72 RH 87 76 58 51 50 60 74 79 81 71 59 54 58 74 88 90 90 77 61 54 56 65 Wind dir S S SE SE SE S S S S S S S S S S S SW SW S S SE S Wind spd 4 3 6 11 13 12 11 10 9 10 9 10 10 8 5 5 5 5 5 8 8 6 Clouds SC SC SC FW FW FW FW SC SC SC SC SC B1 B2 B2 B2 B1 B1 SC B1 B1 B2 PoP 12hr 0 5 30 40 40 QPF 12hr 0 0 0.06 0.04 0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S C C C Tstms S C C S S S C C C Heat index 83 87 86 82 89 96 98 90 86 96 99 97 91 Max heat 87 87 96 99 86 86 100 100 Date Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 Tue 07/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 94 76 90 75 91 76 91 Temp 79 81 92 85 78 79 88 85 77 79 89 83 78 79 89 83 Dewpt 75 74 75 76 74 72 69 70 71 73 73 72 73 74 74 74 PWind dir S S SW N S SE S S Wind char LT GN LT LT LT LT LT LT Avg clouds B2 B1 SC B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 40 60 50 30 20 30 20 40 Rain shwrs C C S L C C C C S S S C S S C C Tstms C C S C C C S C S S S C S S S C $$ WVZ502-032000- Petersburg WV 38.99N 79.15W Elev. 963 ft 437 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 90 70 93 Temp 57 65 81 87 90 83 74 72 69 74 86 89 88 82 74 71 70 73 87 92 91 85 Dewpt 54 58 62 64 65 67 66 64 64 68 71 71 71 72 71 70 69 70 71 69 69 71 RH 90 78 53 46 44 59 76 76 84 82 61 56 57 72 90 97 97 90 59 47 49 63 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 B1 SC SC B1 SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B2 PoP 12hr 5 10 80 40 60 QPF 12hr 0 0 0.13 0.03 0.24 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 88 92 86 91 95 94 87 93 97 96 90 Max heat 88 93 82 95 96 97 98 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 90 62 90 64 91 67 89 Temp 74 73 88 81 66 67 88 83 66 69 89 82 69 71 88 80 Dewpt 71 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 $$ MDZ014-032000- Annapolis MD 38.99N 76.49W Elev. 7 ft 437 AM EDT Wed Jul 3 2024 Date Wed 07/03/24 Thu 07/04/24 Fri 07/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 73 88 76 90 Temp 69 71 78 82 84 80 76 75 73 76 84 88 87 83 77 76 76 78 86 89 90 86 Dewpt 63 65 65 64 63 65 67 66 66 66 69 71 73 74 76 74 74 74 74 72 72 73 RH 81 81 64 55 49 60 74 74 79 71 61 57 63 74 97 94 94 88 68 57 56 65 Wind dir S S S S S S S S S S S S S S S SW SW SW S S S S Wind spd 3 4 8 12 12 12 11 9 8 8 8 9 9 5 3 2 2 2 4 6 8 5 Clouds SC SC FW FW FW FW FW SC SC SC SC B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 PoP 12hr 0 5 40 40 40 QPF 12hr 0 0 0.26 0.12 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S S S C C C Tstms C C C C S S S C C C Heat index 83 85 82 88 94 94 90 94 96 97 93 Max heat 83 85 94 96 87 97 97 Date Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 Tue 07/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 91 76 90 75 89 76 89 Temp 79 80 89 84 79 78 88 85 78 78 88 84 79 77 87 84 Dewpt 74 76 78 77 75 70 69 71 71 71 73 73 73 73 75 74 PWind dir S S SW SW S S S S Wind char LT GN LT LT LT LT LT LT Avg clouds B2 B2 SC B1 B1 B1 SC SC SC B1 SC SC B1 B1 B1 B1 PoP 12hr 40 60 50 20 10 30 30 50 Rain shwrs C C C L C S S S S C C S C C Tstms C C C C C S S S C S S S C $$