Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
010 FOUS51 KLWX 211737 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 137 PM EDT Fri Jun 21 2024 VAZ054-212000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 137 PM EDT Fri Jun 21 2024 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 77 99 81 99 Temp 91 93 89 82 78 77 82 93 98 98 94 87 85 83 84 92 96 97 91 Dewpt 66 66 67 68 68 68 68 68 67 68 69 70 68 68 70 70 68 68 69 RH 44 41 48 63 71 74 63 44 37 38 44 57 57 61 63 49 40 39 49 Wind dir S S S S S S SW S S S S S S SW SW SW SW SW SW Wind spd 8 10 11 10 9 8 6 6 8 10 10 9 10 10 9 10 12 12 10 Clouds FW FW FW FW FW FW CL CL FW SC SC SC SC FW FW SC B1 B2 B2 PoP 12hr 0 0 20 10 30 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L Tstms S S C C L Heat index 94 96 92 85 85 97103104 99 91 88 86 88 98101102 96 Max heat 94 96 89 85 103 105 95 88 101 105 Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 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 93 74 94 74 99 76 88 Temp 82 82 90 87 76 77 91 88 77 78 97 89 80 79 85 83 Dewpt 72 70 64 60 59 61 58 61 63 65 62 66 68 69 68 66 PWind dir SW W NW W S SW W NW Wind char GN GN GN LT LT GN LT LT Avg clouds B2 B1 FW FW FW FW FW FW SC SC SC SC B1 B2 B1 SC PoP 12hr 60 40 5 5 10 30 50 40 Rain shwrs L C C C C C C C C Tstms L C S C C C C S C $$ MDZ013-212000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 137 PM EDT Fri Jun 21 2024 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 95 73 99 79 99 Temp 92 93 87 80 76 74 80 93 99 97 92 83 81 79 82 92 97 96 87 Dewpt 66 67 67 68 68 67 68 69 68 68 70 71 69 68 70 72 70 69 70 RH 43 43 52 67 76 79 67 46 37 39 49 67 67 69 67 52 42 42 57 Wind dir S S S S S S SW SW SW S S S S SW SW SW SW SW SW Wind spd 6 9 6 5 3 2 3 5 8 8 6 6 5 5 5 8 10 10 6 Clouds FW FW FW FW FW FW CL FW SC SC SC SC SC FW SC SC B1 B2 OV PoP 12hr 0 5 20 20 30 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C L Tstms S S S S C C L Heat index 95 97 90 83 83 98105102 98 88 84 86100104102 92 Max heat 95 97 87 83 105 105 93 86 104 106 Heat Y Y Y Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 92 71 92 72 98 73 87 Temp 79 77 89 86 73 74 89 87 74 76 96 87 76 76 85 82 Dewpt 72 70 64 61 60 61 60 62 63 66 64 67 68 70 68 67 PWind dir SW W NW W S SW W NW Wind char LT GN LT LT LT LT LT LT Avg clouds OV B1 SC FW FW FW FW FW SC SC SC B1 B2 B2 B1 B1 PoP 12hr 60 30 5 5 20 30 50 40 Rain shwrs L C C C S C C C C C Tstms L C S C C C C S C $$ MDZ011-212000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 137 PM EDT Fri Jun 21 2024 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 75 100 80 99 Temp 93 93 88 82 78 76 82 94 99 99 93 84 82 81 84 93 97 96 88 Dewpt 67 66 66 68 68 68 68 68 68 68 68 71 69 68 68 69 68 67 69 RH 43 41 48 63 71 76 63 43 37 37 44 65 65 65 59 46 39 39 54 Wind dir SE SE S S S S SW S S S S S S SW SW SW SW SW SW Wind spd 6 8 6 4 2 2 3 4 6 8 6 5 4 5 5 8 10 10 6 Clouds FW FW FW FW FW FW CL FW SC SC SC SC SC FW SC SC B1 B2 OV PoP 12hr 0 5 20 20 30 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C L Tstms S S S S C C L Heat index 97 96 90 85 85 99105105 97 89 85 84 87 98102100 92 Max heat 97 97 89 85 105 106 93 87 102 104 Heat Y Y Y Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 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 93 74 95 76 98 77 88 Temp 80 78 89 85 76 77 91 88 78 79 95 86 80 79 86 82 Dewpt 71 68 63 60 59 59 58 61 62 65 63 66 67 68 66 65 PWind dir SW W NW W S SW W NW Wind char LT GN LT LT LT LT LT LT Avg clouds B2 B1 FW FW FW FW FW FW SC SC SC SC B2 B2 B1 SC PoP 12hr 60 30 5 5 20 30 50 40 Rain shwrs L C C C S S C C C C C Tstms L C S C S C C C S C $$ WVZ052-212000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 137 PM EDT Fri Jun 21 2024 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 70 98 72 94 Temp 91 92 88 80 74 71 79 93 97 97 91 80 76 74 79 89 92 92 84 Dewpt 66 65 67 67 67 67 69 70 67 67 69 70 69 68 69 68 66 66 66 RH 44 41 50 65 79 87 72 47 38 38 49 72 79 82 72 50 43 43 55 Wind dir S SE SE S S N W W SW SW S S SW SW SW W W W W Wind spd 4 4 3 2 2 0 1 3 4 5 4 3 3 3 3 9 11 10 8 Clouds FW FW FW FW FW CL CL FW SC SC B1 B1 SC SC SC SC B1 B2 B2 PoP 12hr 20 10 30 20 30 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S S C C C Tstms S S C C S S C C C Heat index 94 94 91 82 99101101 96 83 93 95 95 86 Max heat 94 94 88 101 103 90 95 97 Heat Y Y Y Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 89 65 90 66 95 69 85 Temp 74 74 86 84 69 70 87 85 70 72 92 86 72 73 82 80 Dewpt 68 67 60 58 58 60 57 61 61 63 62 65 66 67 63 61 PWind dir W NW NW W SW SW W NW Wind char LT GN LT LT LT LT LT LT Avg clouds B1 SC FW FW FW CL FW FW SC SC SC B1 B2 B1 B1 SC PoP 12hr 50 20 0 5 20 30 50 40 Rain shwrs C S S S S S C C C C C Tstms C S S S S S C C C C C $$ VAZ506-212000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 137 PM EDT Fri Jun 21 2024 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 73 99 77 98 Temp 92 94 89 81 77 75 80 94 99 98 94 85 81 79 82 92 96 95 87 Dewpt 67 66 66 69 67 66 68 70 69 70 70 71 69 68 70 72 70 70 70 RH 44 40 47 67 71 74 67 46 38 41 46 63 67 69 67 52 43 45 57 Wind dir SW S S S S S SW SW SW SW S S S S SW SW SW SW SW Wind spd 5 5 5 4 4 3 3 4 5 5 5 5 5 6 5 6 9 9 6 Clouds FW FW FW FW FW CL CL CL SC SC SC SC SC FW FW SC B1 B2 B2 PoP 12hr 0 5 30 20 30 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S C C L Tstms C C S S C C L Heat index 96 97 92 84 83100106105100 90 84 86100103102 92 Max heat 96 97 90 83 106 107 96 86 103 105 Heat Y Y Y Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 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 69 92 70 98 72 86 Temp 77 77 90 86 73 73 89 88 72 75 96 89 75 75 84 82 Dewpt 72 70 64 61 59 62 59 63 63 66 63 67 69 70 68 66 PWind dir SW NW NW W S SW W NW Wind char LT GN LT LT LT LT LT LT Avg clouds B2 B1 FW FW FW CL FW FW SC SC SC SC B2 B1 B1 SC PoP 12hr 60 30 5 5 10 30 50 40 Rain shwrs L C S C C C C C C Tstms L C S C C C C S C $$ VAZ037-212000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 137 PM EDT Fri Jun 21 2024 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 96 72 97 76 98 Temp 92 93 87 79 75 73 78 93 97 96 91 84 80 77 79 91 96 95 88 Dewpt 65 65 66 65 64 64 66 68 67 67 68 67 65 66 68 69 67 67 68 RH 41 40 50 62 69 73 67 44 38 39 47 57 60 69 69 49 39 40 52 Wind dir S S S S S S SW S S S SW S SW SW SW SW SW SW SW Wind spd 5 5 5 3 3 3 3 4 5 8 5 5 6 5 5 8 10 9 6 Clouds FW FW FW CL CL CL CL CL SC SC SC FW FW FW FW SC B1 B1 B2 PoP 12hr 5 5 20 10 20 QPF 12hr 0 0 0.04 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C Tstms S S S S C Heat index 94 95 89 97101100 95 87 82 96100 99 92 Max heat 94 95 86 101 101 90 100 103 Heat Y Y Y Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 94 68 94 70 99 72 87 Temp 80 78 91 85 72 74 92 87 73 76 97 88 75 75 85 81 Dewpt 68 69 63 59 59 61 58 62 61 63 61 65 66 68 67 65 PWind dir SW W NW W SW SW W NW Wind char LT GN LT LT LT LT LT LT Avg clouds B1 SC FW FW CL CL CL FW FW FW SC SC B1 B2 B1 B1 PoP 12hr 40 20 5 5 10 30 40 40 Rain shwrs C S S S C C S C C Tstms C S S S C C S C $$ MDZ003-212000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 137 PM EDT Fri Jun 21 2024 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 72 98 75 96 Temp 91 92 89 82 78 74 80 92 97 97 93 82 79 76 81 91 94 93 85 Dewpt 66 66 68 69 68 67 70 72 69 69 70 71 71 69 72 71 68 68 68 RH 44 43 50 65 71 79 72 52 40 40 47 69 77 79 74 52 43 44 57 Wind dir SW W SE SE SE SE SW W SW SW S S S S SW SW W W W Wind spd 5 5 3 3 3 2 2 3 5 5 4 3 3 4 3 8 10 10 6 Wind gust 21 21 18 Clouds FW SC FW SC FW FW CL FW FW SC SC SC SC SC SC B1 B1 B2 B2 PoP 12hr 20 10 30 20 30 QPF 12hr 0.01 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S S C C C Tstms S S C C S S C C C Heat index 94 95 93 85 83100103103 99 87 85 98 99 97 88 Max heat 94 96 91 83 103 104 93 85 99 101 Heat Y Y Y Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 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 89 66 91 68 96 70 86 Temp 75 74 86 83 68 71 88 86 72 74 94 87 73 74 84 81 Dewpt 71 68 62 59 59 61 59 63 62 65 65 66 68 68 64 61 PWind dir W W NW W S SW W NW Wind char LT GN LT LT LT LT LT LT Avg clouds B1 SC FW FW CL CL FW FW FW SC SC B1 B2 B1 SC SC PoP 12hr 40 20 0 5 20 30 40 30 Rain shwrs C S S S S S S C C C C C Tstms C S S S S S C C C S C $$ MDZ017-212000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 137 PM EDT Fri Jun 21 2024 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 74 96 79 97 Temp 88 88 83 78 77 75 81 91 95 95 88 82 81 79 83 91 95 95 87 Dewpt 70 69 69 69 70 69 71 71 70 71 72 71 69 69 73 73 71 71 72 RH 55 54 63 74 79 82 72 52 45 46 59 69 67 72 72 56 46 46 61 Wind dir SE SE S S S SW SW S S S S S S SW SW SW S SW S Wind spd 11 11 10 9 6 6 8 8 11 11 11 11 11 11 10 11 11 12 10 Clouds FW FW FW FW FW CL FW CL FW FW FW FW FW FW FW FW SC B1 B2 PoP 12hr 0 0 5 5 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C Tstms S S C Heat index 93 92 87 85 98102103 95 86 84 89100103103 94 Max heat 93 93 85 85 102 104 89 89 103 105 Heat Y Y Y Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 90 73 91 74 95 75 86 Temp 80 80 89 82 75 78 88 85 75 79 93 85 77 79 84 81 Dewpt 71 73 70 70 64 64 63 66 67 69 68 70 69 71 71 70 PWind dir SW W NW W S S SW NW Wind char GN GN GN LT LT GN GN LT Avg clouds B2 B1 SC SC FW FW FW FW FW SC FW SC B1 B2 B1 B1 PoP 12hr 50 60 10 5 10 20 40 50 Rain shwrs C C C L S C C C C Tstms C C C C S C C S C $$ WVZ502-212000- Petersburg WV 38.99N 79.15W Elev. 963 ft 137 PM EDT Fri Jun 21 2024 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 69 97 71 94 Temp 92 92 85 76 72 70 75 90 95 96 87 76 73 71 75 87 91 91 82 Dewpt 66 68 70 68 67 65 68 69 68 68 70 70 68 66 69 69 67 67 68 RH 43 46 61 76 84 84 79 50 42 40 57 82 84 84 82 55 45 45 63 Wind dir NW N W SW S S SW SW W SW SW SW SW S SW W W W W Wind spd 2 3 2 2 2 2 1 2 3 4 2 2 2 2 3 6 10 10 5 Wind gust 17 Clouds SC SC SC SC FW FW FW FW SC SC SC SC FW SC SC SC B1 B2 B2 PoP 12hr 40 10 20 20 40 QPF 12hr 0.06 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S S S C C C Tstms C C S S S S C C C Heat index 95 96 90 95100101 92 91 94 94 85 Max heat 95 96 86 100 102 85 94 98 Heat Y Y Y Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 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 87 62 91 66 95 67 85 Temp 72 70 85 80 65 66 88 84 68 71 94 83 70 70 84 79 Dewpt 68 66 61 61 60 61 59 64 60 63 64 69 67 67 66 64 PWind dir W W W W SW W W NW Wind char LT GN LT LT LT LT LT LT Avg clouds B1 SC SC FW FW FW FW FW SC SC SC B1 B2 B2 B1 SC PoP 12hr 50 20 0 10 20 40 50 40 Rain shwrs C C S S S S S C C C C C Tstms C C S S S C C C S C $$ MDZ014-212000- Annapolis MD 38.99N 76.49W Elev. 7 ft 137 PM EDT Fri Jun 21 2024 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 75 94 80 95 Temp 87 88 83 78 76 75 81 90 94 93 88 83 82 81 83 89 93 93 87 Dewpt 70 69 69 70 70 69 70 71 71 71 72 72 71 69 71 73 73 71 73 RH 57 54 63 76 82 82 69 54 47 49 59 70 69 67 67 59 52 49 63 Wind dir S S S S S S SW S S S S S S S SW SW SW SW SW Wind spd 10 10 10 8 5 5 5 8 11 11 11 9 6 8 8 10 11 10 9 Clouds FW FW FW CL FW FW CL CL FW FW FW SC FW FW FW FW SC B1 B2 PoP 12hr 0 0 20 10 30 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L Tstms S S C C L Heat index 92 92 87 85 96101100 95 88 86 84 88 97102100 94 Max heat 92 93 84 85 101 101 91 88 102 103 Heat Y Y Y Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 91 73 90 75 93 75 86 Temp 80 80 88 85 75 76 87 85 77 78 91 85 77 78 84 81 Dewpt 73 71 67 65 62 62 62 64 66 67 67 69 69 69 69 69 PWind dir SW W NW SW S S SW NW Wind char LT GN GN LT LT GN GN GN Avg clouds B2 B1 FW FW FW CL FW FW FW SC SC SC B1 B2 B1 SC PoP 12hr 60 40 5 5 20 30 50 40 Rain shwrs L C C C S C C C C C Tstms L C S C S C C S C $$