Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
433 FOUS51 KLWX 221438 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1038 AM EDT Sat Jun 22 2024 VAZ054-222000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1038 AM EDT Sat Jun 22 2024 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 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 81 98 77 92 Temp 92 99100 94 87 85 82 85 94 98 97 91 85 81 78 78 86 90 92 87 Dewpt 69 68 68 68 72 71 71 72 70 69 68 71 72 72 71 69 64 63 61 59 RH 47 37 36 43 61 63 69 65 46 39 39 52 65 74 79 74 48 41 36 39 Wind dir SW S S S S S S SW SW SW SW SW SW SW W NW NW NW NW NW Wind spd 6 8 9 10 9 10 10 11 11 14 14 12 10 9 9 10 12 12 13 12 Clouds FW SC SC SC SC SC FW FW SC B1 B2 B2 B2 B2 B1 SC SC SC SC FW PoP 12hr 20 10 50 60 30 QPF 12hr 0 0 0.06 0.08 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L L C C C C S S Tstms S C C C C S S S Heat index 97105106 99 94 90 86 91100104102 98 91 85 87 91 92 Max heat 105 106 96 91 104 104 95 84 91 93 Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 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 93 75 97 78 91 73 90 Temp 76 75 89 87 78 78 95 90 82 79 88 85 76 74 87 84 Dewpt 61 62 59 61 63 66 66 67 70 70 68 66 64 62 61 62 PWind dir NW W S S SW NW N NE Wind char GN LT LT GN LT LT LT LT Avg clouds FW FW CL FW FW SC SC SC B1 B1 B1 B1 SC FW FW FW PoP 12hr 5 0 5 20 50 30 10 10 Rain shwrs S C S C C Tstms S C S S C $$ MDZ013-222000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1038 AM EDT Sat Jun 22 2024 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 99 78 98 74 90 Temp 92 98 98 90 84 81 79 82 94 98 94 89 83 79 74 77 85 89 89 84 Dewpt 70 69 69 69 72 71 70 71 70 69 68 70 71 71 69 68 64 63 60 59 RH 49 39 39 50 67 72 74 69 46 39 43 54 67 77 84 74 50 42 38 43 Wind dir SW SW S S S S SW SW SW SW SW SW SW SW W W W W NW NW Wind spd 5 5 9 5 5 5 6 8 10 12 11 9 6 5 6 6 11 11 12 9 Clouds FW SC B1 B1 B1 SC SC FW SC B1 B2 OV B2 B2 B1 SC SC B1 SC FW PoP 12hr 20 20 50 60 30 QPF 12hr 0 0 0.16 0.21 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L L C C C C S S Tstms S S C C C C S S S Heat index 98104104 95 90 85 86100104 99 94 88 86 90 89 84 Max heat 104 106 93 86 104 102 92 90 90 Heat Y Y Y Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 92 72 96 74 90 69 89 Temp 73 74 89 85 74 76 95 87 77 78 87 83 73 72 86 82 Dewpt 61 62 60 62 64 67 69 71 70 71 70 67 64 63 62 62 PWind dir NW W S S SW NW N E Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW FW FW SC SC SC SC B2 B2 B1 B1 SC FW FW SC PoP 12hr 5 0 0 20 50 30 10 10 Rain shwrs S C S C C Tstms S C S S C $$ MDZ011-222000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1038 AM EDT Sat Jun 22 2024 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 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 101 83 99 78 91 Temp 95100100 92 87 85 83 84 96 99 97 90 87 83 80 79 87 90 91 85 Dewpt 69 68 68 69 73 71 70 71 69 68 68 69 71 71 69 67 63 62 59 59 RH 43 36 36 47 63 63 65 65 42 37 39 50 59 67 69 67 45 39 34 41 Wind dir SW S S S S S SW SW SW SW SW SW SW SW W NW W W NW NW Wind spd 4 6 11 6 6 4 6 9 10 12 11 9 9 8 9 10 11 11 12 9 Clouds FW SC SC B1 B1 SC SC FW SC B1 B2 B2 B2 B2 SC SC SC B1 SC FW PoP 12hr 20 20 50 60 30 QPF 12hr 0.01 0.01 0.11 0.11 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C L L C C C C S S Tstms S S S C C C C S S S Heat index 101106106 97 94 90 87 89102105102 95 93 88 83 88 90 85 Max heat 106 107 96 89 106 105 94 86 90 91 Heat Y Y Y Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 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 95 76 99 79 94 73 91 Temp 78 75 91 88 79 78 96 90 82 79 90 87 78 74 88 85 Dewpt 61 60 59 60 63 65 66 68 70 68 67 65 64 61 60 60 PWind dir NW W S S SW NW N E Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW FW FW SC SC SC SC B2 B2 B1 SC SC FW FW SC PoP 12hr 5 0 5 20 50 30 10 10 Rain shwrs S C S C C Tstms S C S S C $$ WVZ052-222000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1038 AM EDT Sat Jun 22 2024 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 97 71 94 69 86 Temp 91 96 95 88 78 73 71 80 90 94 92 85 78 73 69 74 81 85 85 80 Dewpt 70 67 67 69 71 70 68 70 69 68 66 68 68 68 66 66 62 60 58 59 RH 50 39 40 54 79 90 90 72 50 43 43 57 71 84 90 76 53 43 40 49 Wind dir W W S S S SW S SW SW SW W W SW W W W NW NW NW NW Wind spd 3 4 6 4 2 3 4 5 11 12 12 9 5 5 5 8 12 13 12 10 Clouds FW SC SC B1 B1 SC SC SC SC B1 B2 B2 B1 SC SC SC SC SC FW FW PoP 12hr 30 20 40 60 20 QPF 12hr 0.02 0.01 0 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S S C L L S S S S Tstms C C S S C C C Heat index 97100 99 92 83 95 99 95 88 82 85 81 Max heat 101 101 87 83 99 98 87 85 85 Heat Y Y Y Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 89 65 94 68 87 63 86 Temp 66 70 86 82 69 74 91 84 72 74 83 80 67 69 83 81 Dewpt 59 60 57 60 60 63 64 67 68 68 64 62 60 59 59 60 PWind dir NW W S SW W NW N NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW CL CL FW SC SC SC B1 B2 B1 B1 SC FW FW FW FW PoP 12hr 0 0 5 30 50 30 5 5 Rain shwrs C C C C S Tstms C C C S S $$ VAZ506-222000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1038 AM EDT Sat Jun 22 2024 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 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 77 97 72 89 Temp 92 99100 92 85 81 78 83 94 96 95 89 81 76 72 76 84 88 89 83 Dewpt 71 69 69 69 72 71 70 70 71 71 70 72 72 71 69 68 64 63 61 60 RH 51 38 37 47 65 72 76 65 47 45 45 57 74 85 90 76 51 43 39 46 Wind dir SW SW SW S S S S SW SW SW SW SW SW SW W NW NW NW NW NW Wind spd 3 5 6 5 4 6 6 8 9 11 11 9 5 4 4 6 11 12 12 10 Clouds SC SC SC SC SC SC FW SC SC B1 B2 B2 B2 B2 SC SC FW SC SC FW PoP 12hr 20 10 50 60 20 QPF 12hr 0 0 0.07 0.08 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C L L C C S S S S Tstms S S C C C C S S S Heat index 99106107 97 91 85 87101104102 96 85 85 89 89 83 Max heat 106 107 96 87 105 103 92 89 89 Heat Y Y Y Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 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 91 70 98 72 89 67 89 Temp 70 72 88 85 73 76 96 88 76 77 85 83 72 71 86 83 Dewpt 60 63 61 63 63 67 68 69 70 71 71 68 64 63 63 64 PWind dir NW W S S SW NW N NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW CL CL FW SC SC SC SC B1 B1 B1 SC FW FW FW FW PoP 12hr 5 0 5 30 50 40 10 10 Rain shwrs C C S C C Tstms C C S S C $$ VAZ037-222000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1038 AM EDT Sat Jun 22 2024 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 100 75 97 74 93 Temp 93 99100 92 82 79 75 79 93 96 96 89 82 78 74 77 87 92 92 85 Dewpt 68 65 64 64 68 67 69 69 69 69 68 68 69 69 69 68 64 62 60 60 RH 44 33 31 40 63 67 82 72 46 42 40 50 65 74 84 74 46 37 34 43 Wind dir S S S S SW S SW SW SW SW SW SW SW SW W W NW NW NW N Wind spd 5 8 9 6 5 5 5 6 9 11 11 8 5 5 4 4 9 9 9 8 Clouds CL SC SC SC SC FW FW FW SC B1 B1 B1 B1 B1 SC FW FW SC SC FW PoP 12hr 20 10 30 40 20 QPF 12hr 0 0 0 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C S S S S Tstms S S C C C C S S S Heat index 97102103 94 85 98102101 93 85 88 93 92 85 Max heat 102 104 90 102 102 91 93 94 Heat Y Y Y Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 93 70 99 73 92 70 91 Temp 71 72 90 87 74 74 96 90 79 76 88 85 74 72 88 84 Dewpt 59 61 59 61 61 64 64 65 66 68 67 66 64 63 61 63 PWind dir NW SE S SW SW N N NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW CL CL FW FW FW FW SC B1 B1 B1 B1 SC FW FW SC PoP 12hr 0 0 5 30 40 40 10 10 Rain shwrs C C S C C Tstms C C S C $$ MDZ003-222000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1038 AM EDT Sat Jun 22 2024 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 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 74 94 70 86 Temp 91 97 97 90 81 77 75 81 91 93 93 84 78 73 70 74 81 86 86 81 Dewpt 72 68 67 70 72 71 70 72 71 69 67 68 70 69 67 67 62 61 58 59 RH 54 39 38 52 74 82 84 74 52 46 43 59 76 87 90 79 53 43 39 47 Wind dir W W S S SE S S S SW SW W W SW W W W NW NW NW NW Wind spd 4 5 5 5 3 3 4 5 10 12 12 9 5 4 5 6 12 12 11 9 Wind gust 23 Clouds FW SC SC B1 B1 SC SC SC B1 B2 B2 B2 B1 SC SC SC FW SC FW FW PoP 12hr 30 20 40 50 20 QPF 12hr 0.01 0 0.01 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S S C C C S S S S Tstms S C S S C C C Heat index 99102101 96 85 85 98 98 97 87 82 86 81 Max heat 102 103 90 85 99 99 85 86 86 Heat Y Y Y Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 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 63 89 68 96 70 88 64 87 Temp 68 71 86 84 72 75 94 85 74 74 84 82 69 69 84 82 Dewpt 59 61 59 62 61 65 67 69 70 70 66 64 61 61 60 61 PWind dir NW W S SW SW NW N NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW CL CL FW SC SC SC B1 B2 B1 SC FW FW FW FW FW PoP 12hr 0 0 5 40 50 30 5 5 Rain shwrs C C S C S Tstms C C S S S $$ MDZ017-222000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1038 AM EDT Sat Jun 22 2024 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 96 78 96 76 89 Temp 90 94 96 89 82 81 78 82 90 95 96 88 83 79 76 79 86 88 89 83 Dewpt 70 70 69 71 73 71 71 73 73 71 70 72 71 72 72 72 70 68 67 66 RH 52 46 42 56 74 72 79 74 58 46 43 59 67 79 87 79 59 52 48 57 Wind dir SW S S S S S SW SW SW SW SW SW SW SW SW W NW W NW NW Wind spd 8 10 11 11 10 10 10 12 13 14 14 11 10 9 9 8 10 10 9 9 Clouds CL FW FW FW FW FW FW FW FW SC B1 B2 B2 B2 B2 B1 SC B1 SC FW PoP 12hr 5 5 30 60 40 QPF 12hr 0 0 0.02 0.27 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L L L C C C C Tstms C C C S C C Heat index 96100102 95 87 85 87 98103103 95 88 91 92 92 85 Max heat 100 102 91 87 104 103 92 92 92 Heat Y Y Y Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 90 73 94 76 90 73 89 Temp 74 77 86 82 75 79 92 85 78 80 87 83 75 77 86 81 Dewpt 64 65 63 65 65 69 71 72 70 73 72 70 68 66 66 66 PWind dir N NE S S S NW N NE Wind char LT LT LT GN GN LT LT GN Avg clouds FW FW CL FW FW FW FW SC B1 B1 B1 B1 SC FW FW FW PoP 12hr 10 0 0 20 40 40 20 10 Rain shwrs S C C C C S Tstms S C C S C S $$ WVZ502-222000- Petersburg WV 38.99N 79.15W Elev. 963 ft 1038 AM EDT Sat Jun 22 2024 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 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 70 92 67 85 Temp 91 96 95 87 77 73 70 75 87 91 91 83 74 71 67 71 80 84 85 79 Dewpt 69 67 68 70 71 68 67 69 67 65 65 68 69 67 65 66 62 59 60 60 RH 49 39 42 57 82 84 90 82 52 42 42 61 84 87 93 84 54 43 43 52 Wind dir NW NW SW SW SW SW SW SW W W W W W W W W NW NW NW NW Wind spd 2 2 5 3 2 3 3 4 9 11 11 6 5 4 3 4 9 10 11 6 Clouds FW SC SC B1 B1 SC SC SC SC B1 B2 B1 B1 B1 SC SC SC SC FW FW PoP 12hr 30 20 40 60 20 QPF 12hr 0.02 0 0.01 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S C C L L C C S S Tstms C C S S C C C C Heat index 96100100 92 90 93 93 86 81 84 85 Max heat 100 101 86 93 94 84 85 Heat Y Y Y Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 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 59 91 65 96 67 88 60 90 Temp 63 66 87 82 68 71 93 83 71 71 84 79 65 66 86 81 Dewpt 58 61 59 64 60 63 67 69 67 68 67 64 62 61 61 63 PWind dir NW SW SW SW W NW NW E Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC SC B1 B2 B2 B1 SC FW FW FW FW PoP 12hr 0 0 10 40 50 30 5 10 Rain shwrs C C C C C Tstms C C S S C $$ MDZ014-222000- Annapolis MD 38.99N 76.49W Elev. 7 ft 1038 AM EDT Sat Jun 22 2024 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 95 80 95 76 89 Temp 89 93 94 88 83 81 80 83 90 95 93 87 82 79 76 79 84 88 89 84 Dewpt 71 71 71 71 74 72 72 72 72 71 71 71 72 72 71 69 66 64 64 63 RH 56 49 47 57 74 74 77 70 56 46 49 59 72 79 85 72 55 45 44 49 Wind dir S S S S S S S SW SW SW SW SW SW SW W W W W NW NW Wind spd 6 10 11 10 9 8 9 9 11 13 12 10 6 5 6 6 11 12 11 10 Clouds FW FW SC SC SC SC FW FW SC B1 B1 B2 B2 B2 B1 SC SC B1 SC FW PoP 12hr 10 10 50 70 30 QPF 12hr 0 0 0.16 0.20 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C C C C C Tstms C C C C S S S Heat index 95100101 94 90 85 84 88 97103100 93 87 86 89 90 85 Max heat 100 103 94 88 103 102 90 89 90 Heat Y Y Y Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 89 75 93 77 89 73 87 Temp 77 75 85 84 77 78 90 85 79 79 85 83 76 75 83 81 Dewpt 62 63 63 65 67 68 71 72 71 71 71 69 67 64 64 65 PWind dir NW E S S SW NW N NE Wind char LT LT LT GN LT LT LT LT Avg clouds FW CL CL FW FW SC SC SC B1 B1 B1 SC SC FW FW FW PoP 12hr 5 0 5 20 50 40 10 10 Rain shwrs S C S C C Tstms S C S S C $$