Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
122 FOUS51 KLWX 221738 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 138 PM EDT Sat Jun 22 2024 VAZ054-222000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 138 PM 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 96100 94 86 82 81 84 93 98 97 90 84 80 77 79 86 90 91 87 Dewpt 70 68 68 72 71 71 72 71 70 70 71 72 72 71 69 64 63 61 59 RH 43 36 43 63 69 72 67 49 41 42 54 67 77 82 72 48 41 37 39 Wind dir S S S S S S SW SW SW SW SW SW SW W NW NW NW NW NW Wind spd 8 9 10 9 10 10 11 11 14 14 12 10 9 9 10 12 12 13 12 Clouds FW SC FW SC SC FW FW SC SC B1 B2 B2 B2 SC FW FW FW FW FW PoP 12hr 10 5 40 70 30 QPF 12hr 0 0 0.06 0.08 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L C C C C S S Tstms S C C C C S S S Heat index 103106 99 92 86 85 90100105104 96 90 84 87 91 91 Max heat 103 106 95 90 105 104 95 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 71 93 75 98 78 92 72 91 Temp 74 75 89 87 78 78 95 89 82 79 88 85 76 75 87 84 Dewpt 61 59 56 59 62 65 66 67 69 70 68 66 65 62 62 63 PWind dir NW SW S S SW NW N E Wind char GN LT GN GN GN LT LT GN Avg clouds FW CL CL FW FW SC SC SC B1 B2 B1 B1 SC FW FW FW PoP 12hr 5 0 5 30 50 40 10 10 Rain shwrs C C C C C Tstms C C C S C $$ MDZ013-222000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 138 PM EDT Sat Jun 22 2024 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 98 78 99 74 90 Temp 97 98 90 83 79 79 82 93 99 94 89 81 77 74 76 85 89 89 84 Dewpt 70 69 69 72 71 70 71 70 69 70 69 71 71 69 68 64 63 60 59 RH 42 39 50 70 77 74 69 47 38 46 52 72 82 84 76 50 42 38 43 Wind dir SW S S S S SW SW SW SW SW SW SW SW W W W W NW NW Wind spd 5 9 5 5 5 6 8 10 12 11 9 6 5 6 6 11 11 12 9 Clouds SC B1 SC SC B1 SC FW SC B1 B2 B2 B2 B2 SC FW FW FW FW FW PoP 12hr 20 10 50 70 30 QPF 12hr 0 0 0.16 0.21 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L L C C C C S S Tstms S C C C C C S S S Heat index 104104 95 88 86 99106100 94 85 86 90 89 84 Max heat 104 104 92 86 107 104 90 90 90 Heat Y Y Y Y Y Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 92 72 97 74 90 68 89 Temp 71 73 89 85 74 76 95 87 77 78 87 83 73 72 86 83 Dewpt 61 60 58 59 63 66 69 70 70 71 70 67 65 63 63 63 PWind dir NW SW S S SW NW N E Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW FW FW SC SC SC SC B2 B2 B2 B1 SC FW FW FW PoP 12hr 5 0 5 20 50 30 10 10 Rain shwrs S C C C C Tstms S C C S C $$ MDZ011-222000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 138 PM 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 83 99 78 91 Temp 98100 93 89 85 83 86 95 99 96 90 85 80 78 79 87 90 90 84 Dewpt 72 68 69 73 71 70 71 70 69 69 68 71 71 69 67 63 62 59 59 RH 43 36 46 59 63 65 61 45 38 42 49 63 74 74 67 45 39 35 43 Wind dir S S S S S SW SW SW SW SW SW SW SW W NW W W NW NW Wind spd 6 11 6 6 4 6 9 10 12 11 9 9 8 9 10 11 11 12 9 Clouds SC SC SC SC SC SC FW SC B1 B2 B2 B2 B2 SC FW FW FW FW FW PoP 12hr 20 20 50 70 30 QPF 12hr 0.01 0.01 0.11 0.11 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 C S S S Heat index 107106 98 97 90 87 91102106102 94 90 83 88 90 84 Max heat 107 106 98 91 106 103 94 90 91 Heat Y Y 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 92 77 98 79 91 73 90 Temp 74 75 91 87 79 79 96 89 82 80 90 86 78 75 88 85 Dewpt 61 57 56 57 62 64 66 67 70 68 67 65 64 61 61 61 PWind dir NW SW S S SW NW N E Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW CL FW SC SC SC SC B2 B2 B1 B1 SC FW FW FW PoP 12hr 5 0 5 30 50 30 10 10 Rain shwrs C C C C C Tstms C C C S C $$ WVZ052-222000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 138 PM EDT Sat Jun 22 2024 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 95 71 95 69 86 Temp 94 95 88 79 73 71 79 91 94 94 88 78 74 69 74 81 85 85 81 Dewpt 67 67 69 71 70 68 70 70 68 66 68 68 68 66 66 62 60 58 59 RH 41 40 54 77 90 90 74 50 43 40 52 71 82 90 76 53 43 40 47 Wind dir W S S S SW S SW SW SW W W SW W W W NW NW NW NW Wind spd 4 6 4 2 3 4 5 11 12 12 9 5 5 5 8 12 13 12 10 Clouds SC SC SC B1 SC SC SC B1 B1 B1 B2 B1 SC FW FW FW FW FW FW PoP 12hr 30 20 30 30 20 QPF 12hr 0.02 0.01 0 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S S C C C S S S S Tstms S S S S C C S S Heat index 98 99 92 97 99 97 92 82 85 81 Max heat 98 99 87 99 99 86 85 85 Heat Y Y Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 90 65 94 68 87 62 87 Temp 66 69 86 83 70 74 91 85 72 74 83 81 67 69 83 82 Dewpt 59 57 55 57 59 62 63 66 68 68 64 62 61 59 60 61 PWind dir NW SW S SW W NW N NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW CL CL FW SC SC SC B1 B2 B2 B1 SC FW FW FW FW PoP 12hr 0 0 5 40 50 30 10 10 Rain shwrs C C C C C Tstms C C C S C $$ VAZ506-222000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 138 PM 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 98 72 89 Temp 97100 93 85 82 77 82 93 98 94 88 80 75 72 75 84 88 88 83 Dewpt 68 69 69 72 71 70 70 72 72 71 72 72 71 69 68 64 63 61 60 RH 39 37 46 65 69 79 67 51 43 47 59 77 87 90 79 51 43 40 46 Wind dir SW SW S S S S SW SW SW SW SW SW SW W NW NW NW NW NW Wind spd 5 6 5 4 6 6 8 9 11 11 9 5 4 4 6 11 12 12 10 Clouds SC SC FW SC SC FW SC FW B2 B2 B1 B2 B1 SC FW FW FW FW FW PoP 12hr 20 10 40 60 20 QPF 12hr 0 0 0.07 0.08 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C L S S S S S S Tstms S C C C C S S S Heat index 102107 98 91 86 86101107101 95 84 85 89 88 83 Max heat 102 107 96 86 107 103 90 89 89 Heat Y Y 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 65 91 70 98 72 90 67 90 Temp 70 71 88 85 73 76 95 88 76 77 86 83 72 72 87 84 Dewpt 60 60 58 61 62 66 67 69 70 71 71 68 65 63 64 65 PWind dir NW W S S SW NW N E Wind char LT LT LT LT LT LT LT LT Avg clouds FW CL CL FW FW SC SC SC B1 B2 B1 B1 SC FW FW FW PoP 12hr 0 0 5 30 50 40 10 10 Rain shwrs C C C C C Tstms C C C S C $$ VAZ037-222000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 138 PM EDT Sat Jun 22 2024 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 100 75 96 74 93 Temp 96100 93 83 78 75 80 91 95 94 90 82 77 74 77 87 92 90 85 Dewpt 66 64 64 68 67 69 69 69 68 68 69 69 69 69 68 64 62 60 60 RH 38 31 38 61 69 82 69 49 42 43 50 65 76 84 74 46 37 37 43 Wind dir S S S SW S SW SW SW SW SW SW SW SW W W NW NW NW N Wind spd 8 9 6 5 5 5 6 9 11 11 8 5 5 4 4 9 9 9 8 Clouds FW SC FW FW FW FW FW SC B1 B1 SC B1 B1 FW FW FW FW FW FW PoP 12hr 10 5 30 40 20 QPF 12hr 0 0 0 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C S S S S Tstms S C C C S S S Heat index 100103 95 86 83 96100 99 95 85 88 93 90 85 Max heat 100 103 91 83 101 101 91 93 94 Heat Y Y Y Y Y Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 93 70 99 73 92 69 92 Temp 69 70 90 86 74 75 96 89 79 77 88 84 74 73 88 84 Dewpt 59 58 56 59 60 63 64 65 66 68 67 66 64 63 62 64 PWind dir NW SE S SW SW N N E Wind char LT LT LT LT LT LT LT LT Avg clouds CL CL CL FW FW SC SC SC B1 B1 B1 B1 SC FW FW FW PoP 12hr 0 0 5 30 40 40 20 10 Rain shwrs C C C C C S Tstms C C C S C S $$ MDZ003-222000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 138 PM 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 74 95 70 86 Temp 97 97 90 83 79 75 80 91 94 93 87 78 75 70 74 81 86 85 80 Dewpt 68 67 70 72 71 70 72 72 68 66 68 70 69 67 67 62 61 58 59 RH 39 38 52 70 77 84 77 54 43 41 53 76 82 90 79 53 43 40 49 Wind dir W S S SE S S S SW SW W W SW W W W NW NW NW NW Wind spd 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 SC SC SC B1 B1 B1 B1 B1 SC FW FW FW FW FW FW PoP 12hr 20 20 30 40 20 QPF 12hr 0.01 0 0.01 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C C C S S S S Tstms S S S S C C S S Heat index 102101 96 88 84 99 99 96 91 82 86 81 Max heat 102 102 92 84 100 98 85 86 86 Heat Y Y 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 90 68 96 70 89 63 88 Temp 66 69 86 84 72 75 94 86 74 74 84 82 69 70 85 83 Dewpt 59 59 57 60 60 64 66 68 70 70 66 64 61 61 61 62 PWind dir NW SW S SW W NW N E Wind char LT LT LT LT LT LT LT LT Avg clouds FW CL CL FW SC SC SC B1 B2 B2 B1 SC FW FW FW FW PoP 12hr 0 0 5 40 50 20 5 5 Rain shwrs C C C S S Tstms C C C S S $$ MDZ017-222000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 138 PM EDT Sat Jun 22 2024 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 97 78 96 76 89 Temp 97 96 87 82 81 78 83 90 96 95 88 82 78 76 80 86 88 88 83 Dewpt 68 69 71 73 71 71 73 73 71 70 72 71 72 72 72 70 68 67 66 RH 39 42 59 74 72 79 72 58 45 45 59 69 82 87 77 59 52 50 57 Wind dir S S S S S SW SW SW SW SW SW SW SW SW W NW W NW NW Wind spd 10 11 11 10 10 10 12 13 14 14 11 10 9 9 8 10 10 9 9 Clouds FW FW FW FW SC FW FW FW SC SC B1 B2 B2 B1 SC FW SC FW FW PoP 12hr 5 5 20 70 40 QPF 12hr 0 0 0.02 0.27 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L L C C C C C C Tstms S C C C C C C Heat index 102102 93 87 85 89 98104102 95 86 84 91 92 91 85 Max heat 102 102 90 89 104 102 91 84 92 92 Heat Y Y Y Y Y Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 90 73 94 76 90 72 89 Temp 74 77 86 82 75 79 92 85 78 80 87 83 75 77 86 81 Dewpt 64 62 60 63 64 68 71 72 70 73 72 70 69 67 67 67 PWind dir N E S S S W NW NE Wind char LT LT GN GN GN LT LT GN Avg clouds FW CL CL FW FW FW SC SC SC B1 B1 B1 SC SC FW FW PoP 12hr 5 0 5 20 40 40 20 10 Rain shwrs S C C C C S Tstms S C C S C S $$ WVZ502-222000- Petersburg WV 38.99N 79.15W Elev. 963 ft 138 PM 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 70 92 67 85 Temp 93 95 88 78 74 70 75 86 90 90 81 74 71 68 69 80 84 85 77 Dewpt 66 68 70 71 68 67 69 68 66 67 69 69 67 65 66 62 59 60 60 RH 41 42 55 79 82 90 82 55 45 47 67 84 87 90 90 54 43 43 56 Wind dir NW SW SW SW SW SW SW W W W W W W W W NW NW NW NW Wind spd 2 5 3 2 3 3 4 9 11 11 6 5 4 3 4 9 10 11 6 Clouds SC SC B1 B1 SC SC SC B2 B2 B1 SC B1 SC SC SC FW FW FW FW PoP 12hr 30 20 30 50 20 QPF 12hr 0.02 0 0.01 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S C C C C S S S S Tstms S S S S C C C S S Heat index 96100 93 89 93 93 84 81 84 85 Max heat 96 100 86 93 95 84 85 Heat 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 58 91 65 96 67 88 60 90 Temp 62 65 87 82 68 71 93 83 71 71 84 79 65 66 86 81 Dewpt 58 59 57 62 59 62 66 69 67 68 67 64 62 62 62 64 PWind dir NW SW SW W W NW NW E Wind char LT LT LT LT LT LT LT LT Avg clouds FW CL CL FW SC SC SC B1 B2 B2 B1 SC FW FW FW FW PoP 12hr 5 0 10 50 60 40 10 10 Rain shwrs C L C C C Tstms C C S S C $$ MDZ014-222000- Annapolis MD 38.99N 76.49W Elev. 7 ft 138 PM EDT Sat Jun 22 2024 Date Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 94 80 96 76 89 Temp 87 94 88 83 81 80 84 91 96 94 89 83 79 76 79 84 88 88 84 Dewpt 75 71 71 74 72 72 72 73 71 72 71 72 72 71 69 66 64 64 63 RH 68 47 57 74 74 77 67 56 45 49 56 70 79 85 72 55 45 45 49 Wind dir S S S S S S SW SW SW SW SW SW SW W W W W NW NW Wind spd 10 11 10 9 8 9 9 11 13 12 10 6 5 6 6 11 12 11 10 Clouds FW SC SC FW SC FW FW SC B1 B2 B1 B2 B2 SC FW FW FW FW FW PoP 12hr 10 5 40 80 30 QPF 12hr 0 0 0.16 0.20 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D L C C C C C C Tstms S C C C C S S S Heat index 96101 94 90 85 84 90100104102 95 88 86 89 89 85 Max heat 96 101 91 90 104 104 93 89 90 Heat Y Y Y Y Y Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 89 75 93 77 89 72 87 Temp 75 78 85 84 77 78 90 85 79 79 85 83 76 75 83 81 Dewpt 62 61 60 63 66 67 71 72 71 71 71 69 67 65 65 66 PWind dir NW SE S S SW W N NE Wind char LT LT GN GN GN LT LT GN Avg clouds FW CL CL FW FW SC SC SC B1 B2 B2 B1 SC FW FW FW PoP 12hr 5 0 5 20 50 40 10 10 Rain shwrs S C C C C Tstms S C C S C $$