Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
845 FOUS51 KLWX 020537 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 137 AM EDT Tue Jul 2 2024 VAZ054-022000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 137 AM EDT Tue Jul 2 2024 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 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 68 89 74 95 Temp 66 71 80 84 86 81 75 72 69 72 81 86 88 83 78 76 75 77 86 92 91 86 Dewpt 54 57 57 55 55 57 59 61 62 62 60 58 59 61 62 64 64 65 67 70 71 73 RH 65 61 45 37 35 44 58 68 78 71 49 39 38 47 58 66 69 67 53 49 52 65 Wind dir N NE E SE SE SE S S S S S S S SE S S S S SW SW W SW Wind spd 3 4 5 6 10 10 8 6 5 6 6 10 11 11 10 9 9 9 8 5 6 6 Clouds CL SC SC SC SC FW FW FW FW FW FW FW FW FW FW SC SC SC SC B1 B2 B2 PoP 12hr 0 0 0 5 40 QPF 12hr 0 0 0 0 0.44 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms C C C Heat index 80 81 82 83 89 98 98 93 Max heat 83 84 81 85 87 82 98 99 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 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 78 94 77 92 76 93 Temp 80 80 93 89 82 79 92 87 80 79 90 88 79 77 90 88 Dewpt 74 73 74 75 75 75 75 75 73 70 66 68 70 70 68 69 PWind dir SW SW S S SW W S S Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 B1 B1 B1 SC B1 B1 SC SC SC SC B1 SC SC PoP 12hr 40 40 50 60 50 20 20 30 Rain shwrs C S C C S C L C S S S S C Tstms C S C C S S C C S S S C $$ MDZ013-022000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 137 AM EDT Tue Jul 2 2024 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 66 87 71 94 Temp 63 69 79 83 85 81 74 69 67 71 80 85 86 81 76 72 72 75 85 91 90 85 Dewpt 55 59 58 56 56 58 62 62 62 64 61 61 60 63 64 64 64 66 69 71 73 74 RH 75 70 49 40 37 46 66 78 84 79 52 45 42 54 66 76 76 74 59 52 58 70 Wind dir N NE E E SE SE S S SW S S S S S S S S S SW S SW SW Wind spd 4 4 4 6 6 6 5 3 2 3 5 9 10 9 8 5 5 5 5 5 5 4 Clouds FW FW FW SC FW SC FW SC SC FW FW FW FW SC SC B1 SC SC B1 B1 B2 B2 PoP 12hr 0 0 0 5 40 QPF 12hr 0 0 0 0 0.41 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms C C C Heat index 81 81 85 86 82 89 98 98 93 Max heat 82 84 85 86 98 99 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 93 75 93 73 91 73 92 Temp 76 77 91 87 77 77 91 85 76 76 89 87 75 76 90 86 Dewpt 74 75 74 75 74 76 76 75 72 71 67 69 70 72 71 71 PWind dir SW S S S SW W SW S Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC B1 SC SC PoP 12hr 50 40 50 60 40 20 20 30 Rain shwrs C S C C C C L C S S S S C Tstms C S C C S S C C S S S C $$ MDZ011-022000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 137 AM EDT Tue Jul 2 2024 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 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 75 96 Temp 67 71 82 85 87 83 78 74 72 73 83 88 88 83 80 77 76 77 87 92 92 87 Dewpt 54 56 55 54 54 56 61 61 62 62 59 58 58 60 64 64 65 65 67 69 70 72 RH 63 59 40 35 32 40 56 64 71 68 44 36 36 46 58 64 69 67 52 47 49 61 Wind dir N NE E SE SE SE S S S S S S S S S S S S SW S SW SW Wind spd 3 4 3 6 6 5 4 2 2 3 5 10 10 9 6 5 5 4 5 6 5 3 Clouds CL FW FW FW FW FW FW SC SC FW FW FW FW SC SC B1 SC SC B1 B1 B2 B2 PoP 12hr 0 0 0 10 40 QPF 12hr 0 0 0 0 0.41 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms C C C Heat index 83 83 82 90 97 98 94 Max heat 84 85 81 87 88 83 97 99 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 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 79 95 77 93 76 94 Temp 81 79 92 90 81 80 93 88 81 78 91 89 80 77 91 88 Dewpt 73 73 73 73 74 75 74 74 72 70 66 69 68 69 69 69 PWind dir SW S S S SW W S S Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 50 40 50 60 40 20 20 30 Rain shwrs C S S C C C C L C S S S S C Tstms C S S C C S S C C S S S C $$ WVZ052-022000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 137 AM EDT Tue Jul 2 2024 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 61 88 68 90 Temp 54 64 74 80 82 79 69 65 61 68 79 85 87 83 76 72 70 75 83 87 86 82 Dewpt 49 53 55 54 53 55 55 57 57 59 59 59 59 60 62 63 62 65 68 70 70 71 RH 83 67 51 41 37 44 61 75 87 73 50 41 39 46 62 73 76 71 61 57 59 69 Wind dir N N SE SE SE SE S S S S S S S S S S S S W W W W Wind spd 3 2 4 5 6 5 5 5 3 5 9 10 10 10 8 5 3 2 3 5 5 2 Clouds FW SC FW SC FW FW FW SC SC FW FW SC FW SC SC SC SC B2 B1 B1 B2 B2 PoP 12hr 0 0 0 10 60 QPF 12hr 0 0 0 0 0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L C Tstms S C C C Obvis PF Heat index 80 85 83 86 92 91 86 Max heat 80 81 85 86 82 92 92 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 91 71 90 67 88 67 89 Temp 72 74 88 85 73 76 88 83 70 73 86 84 69 72 87 83 Dewpt 72 72 71 73 73 73 72 69 67 67 62 66 66 66 66 67 PWind dir W SW S SW W W SW S Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 B1 B1 B1 SC SC SC SC FW FW SC SC SC SC PoP 12hr 50 50 50 50 30 20 10 30 Rain shwrs C C S C C C C C C S C Tstms C C S C C S S C C S C $$ VAZ506-022000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 137 AM EDT Tue Jul 2 2024 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 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 63 89 71 95 Temp 58 66 79 83 85 81 72 68 64 69 81 85 88 83 77 73 72 75 87 92 89 85 Dewpt 52 58 60 58 58 58 60 60 61 63 61 61 62 62 62 63 63 65 70 73 75 75 RH 80 75 52 43 40 46 66 76 90 81 51 45 42 49 60 71 73 71 57 54 64 72 Wind dir N N E SE SE SE SE S S S S S S S S S S S SW SW W SW Wind spd 3 3 3 5 6 6 6 4 3 4 5 8 9 8 8 5 5 5 4 4 4 3 Clouds FW FW FW SC SC FW FW SC FW FW FW FW FW FW SC SC SC SC B1 B2 B2 B2 PoP 12hr 0 0 0 10 50 QPF 12hr 0 0 0 0 0.49 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms C C C Heat index 83 81 82 85 88 84 92101 99 94 Max heat 83 84 85 88 82 101 102 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 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 94 71 90 71 92 Temp 76 77 92 87 76 77 92 85 75 75 89 86 74 75 90 86 Dewpt 74 75 74 75 75 76 75 74 71 71 66 70 70 71 70 71 PWind dir W SW S S W W S S Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 B1 B1 B1 SC B1 B1 SC SC SC SC SC SC SC PoP 12hr 50 50 50 60 40 20 20 30 Rain shwrs C S C C S C L C S S S C Tstms C S C C S S C C S S C $$ VAZ037-022000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 137 AM EDT Tue Jul 2 2024 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 63 90 70 94 Temp 58 65 77 83 85 80 71 67 64 67 80 85 89 83 77 74 72 74 87 92 88 85 Dewpt 50 54 55 54 55 56 57 58 58 60 61 61 61 61 62 63 62 65 67 69 72 72 RH 75 68 47 37 36 44 61 73 81 78 52 45 39 47 60 69 71 74 52 47 59 65 Wind dir N NE E SE SE SE SE SW S S S S S S S S SW SW SW SW W SW Wind spd 2 2 3 5 5 5 3 2 1 2 5 6 8 6 5 4 3 4 5 5 4 2 Clouds FW FW SC SC FW FW SC SC FW FW FW FW FW FW FW SC B1 SC B1 B2 B2 B2 PoP 12hr 0 0 0 5 60 QPF 12hr 0 0 0 0 0.23 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C Tstms C C C Heat index 80 81 85 89 83 90 97 95 91 Max heat 82 84 85 89 82 97 97 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 95 75 96 72 92 72 92 Temp 77 77 93 89 78 77 93 87 75 74 90 88 74 74 90 86 Dewpt 72 73 72 74 73 74 71 72 70 69 65 68 68 69 67 68 PWind dir W SW S SW W SW S S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1 SC SC PoP 12hr 30 50 40 60 40 30 20 30 Rain shwrs C C C S L C S C S C Tstms C C C S C C C S C $$ MDZ003-022000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 137 AM EDT Tue Jul 2 2024 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 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 63 89 70 91 Temp 56 66 76 82 84 80 71 68 64 69 80 85 88 84 77 74 71 75 84 88 87 83 Dewpt 50 56 57 56 56 57 57 58 59 61 61 61 60 61 62 62 63 65 70 72 73 73 RH 80 70 52 41 38 45 61 70 84 76 52 45 39 46 60 66 76 71 63 59 63 72 Wind dir N N SE SE SE SE SE S S S S S S S S S S S SW W W W Wind spd 4 2 4 5 6 5 6 5 4 5 8 10 10 8 6 5 4 3 4 5 5 2 Clouds CL FW SC SC FW FW SC SC FW FW FW FW SC SC SC SC SC B1 B2 B1 B2 B1 PoP 12hr 0 0 0 10 60 QPF 12hr 0 0 0 0 0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C Tstms C C C Heat index 82 80 81 85 88 84 88 95 94 89 Max heat 82 83 85 88 83 95 96 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 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 92 73 91 69 89 69 91 Temp 75 75 89 87 75 76 89 84 72 73 87 85 71 74 89 85 Dewpt 73 73 71 72 73 74 72 70 68 68 63 67 67 68 68 69 PWind dir W SW S SW W W S SW Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 B1 B1 B1 B1 SC SC SC FW FW SC SC SC SC PoP 12hr 50 50 50 50 30 10 10 30 Rain shwrs C C S C C C C C C C Tstms C C S C C S S C C C $$ MDZ017-022000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 137 AM EDT Tue Jul 2 2024 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 68 86 72 94 Temp 68 74 81 84 84 78 74 71 69 75 80 83 84 79 76 74 73 77 86 91 91 84 Dewpt 61 62 61 59 60 61 62 62 63 65 62 62 63 64 65 65 65 67 69 72 73 74 RH 78 66 51 43 44 56 66 73 81 71 54 49 49 60 69 74 76 71 57 54 56 72 Wind dir N NE NE SE SE SE SE SE S S S SE SE S S S S S S S S S Wind spd 5 5 5 6 8 8 8 5 3 3 5 10 11 10 10 9 9 9 9 10 10 8 Clouds FW FW FW SC FW FW FW SC SC SC FW FW FW FW FW SC SC SC SC B1 B1 B2 PoP 12hr 0 0 0 5 30 QPF 12hr 0 0 0 0 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms S C C Heat index 82 84 84 81 84 85 90 99100 91 Max heat 84 84 84 85 99 101 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 92 77 94 76 90 75 90 Temp 78 80 90 86 79 81 92 85 78 80 89 85 77 79 90 83 Dewpt 73 74 75 75 75 76 76 76 75 73 70 73 72 73 72 72 PWind dir SW S S S SW N S S Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 B1 B1 B1 SC B1 B1 B1 SC SC SC B1 SC SC PoP 12hr 40 40 40 60 50 30 20 30 Rain shwrs C S C C S S L C C S C S S C Tstms C S C C S S C C S C S S C $$ WVZ502-022000- Petersburg WV 38.99N 79.15W Elev. 963 ft 137 AM EDT Tue Jul 2 2024 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 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 58 92 68 92 Temp 51 59 74 82 84 76 66 62 59 66 81 88 90 83 74 71 68 73 85 88 87 80 Dewpt 48 53 55 54 55 56 57 56 56 59 62 63 65 66 65 64 64 68 72 73 72 72 RH 89 80 51 38 37 50 73 81 90 78 53 43 44 57 74 79 87 84 65 61 61 77 Wind dir N SE SE SE SE SE S S S S S S S S S SW SW SW W W W W Wind spd 0 1 3 5 6 5 3 3 3 3 3 4 5 4 4 3 2 2 3 4 4 2 Clouds SC SC SC SC FW FW FW FW FW FW FW SC SC SC SC SC B1 B1 B1 B2 B2 B2 PoP 12hr 0 0 0 20 70 QPF 12hr 0 0 0 0 0.19 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L L C Tstms C C C C Obvis PF Heat index 82 89 92 85 91 96 94 84 Max heat 81 83 89 92 82 96 96 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 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 92 69 90 64 90 65 92 Temp 71 71 90 85 71 72 88 80 67 68 88 83 67 70 91 82 Dewpt 71 71 73 75 71 72 70 68 65 65 60 65 64 65 65 69 PWind dir SW SW SW W W W W SW Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 70 60 60 20 20 10 30 Rain shwrs C C C L L C C L S S C Tstms C C C C C S S C S S C $$ MDZ014-022000- Annapolis MD 38.99N 76.49W Elev. 7 ft 137 AM EDT Tue Jul 2 2024 Date Tue 07/02/24 Wed 07/03/24 Thu 07/04/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 69 84 73 90 Temp 68 72 78 82 83 80 75 73 71 73 79 82 84 80 76 75 75 77 84 87 88 83 Dewpt 59 61 60 59 59 62 64 64 63 64 64 63 62 65 67 66 66 67 70 73 73 74 RH 73 68 54 46 44 54 69 73 76 73 60 53 48 60 74 74 74 71 63 63 61 74 Wind dir NE NE E E SE SE SE S S S S S S S S S S S S S S S Wind spd 5 5 4 5 6 6 6 5 3 3 6 10 12 11 10 9 8 8 9 10 9 5 Clouds FW FW FW FW FW FW FW FW SC FW FW FW FW FW SC SC SC SC SC B1 B1 B2 PoP 12hr 0 0 0 5 40 QPF 12hr 0 0 0 0 0.32 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms S C C Heat index 82 83 81 83 85 82 88 94 96 90 Max heat 82 83 83 85 94 96 Date Fri 07/05/24 Sat 07/06/24 Sun 07/07/24 Mon 07/08/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 90 78 91 76 89 76 89 Temp 79 79 88 87 80 80 89 85 79 78 87 86 78 78 87 85 Dewpt 75 74 75 76 75 76 76 76 74 71 68 70 72 72 73 72 PWind dir SW S S S SW SW S S Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 SC B1 B1 SC SC B1 SC SC SC SC SC SC SC PoP 12hr 50 40 50 60 50 20 20 30 Rain shwrs C S C C C C L C S S S S S C Tstms C S C C S S C C S S S S C $$