Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
644 FOUS51 KLWX 042339 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 739 PM EDT Tue Jun 4 2024 VAZ054-050800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 739 PM EDT Tue Jun 4 2024 Date 06/04/24 Wed 06/05/24 Thu 06/06/24 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 84 73 89 69 Temp 80 75 72 70 72 78 82 80 78 75 74 73 75 81 86 88 84 77 72 70 72 Dewpt 66 66 66 67 68 69 69 70 70 69 70 69 70 68 65 64 62 61 61 60 60 RH 62 74 81 90 87 74 65 72 76 82 87 87 84 65 50 45 48 58 68 71 66 Wind dir SE SE E SE SE S S S S S S SW SW W W W W NW W W W Wind spd 10 8 5 5 6 8 10 11 10 9 9 10 10 10 10 10 8 6 5 5 6 Clouds B1 B1 B1 OV OV OV B2 OV OV OV B2 B2 B1 SC SC SC SC SC SC SC FW PoP 12hr 20 80 80 30 20 QPF 12hr 0.01 0.40 0.32 0.22 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C D D D C S S C C C C S S Tstms S C C C C S S S C C S Heat index 82 85 83 84 88 89 85 Max heat 85 85 87 88 89 83 Date 06/07 Sat 06/08/24 Sun 06/09/24 Mon 06/10/24 Tue 06/11/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 64 81 64 80 64 81 64 82 Temp 80 75 67 67 77 75 67 69 77 76 69 68 78 74 67 68 78 76 Dewpt 53 52 52 53 50 51 53 55 54 56 57 57 56 55 57 57 56 58 PWind dir W W W W W N NW NW NW Wind char GN LT GN LT GN LT LT LT LT Avg clouds FW SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 5 10 20 10 20 20 20 20 20 Rain shwrs S S S S S S Tstms S S S S S S $$ MDZ013-050800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 739 PM EDT Tue Jun 4 2024 Date 06/04/24 Wed 06/05/24 Thu 06/06/24 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 83 70 88 66 Temp 78 72 70 68 69 75 80 80 76 73 72 70 73 80 84 87 83 74 69 67 70 Dewpt 66 67 66 66 68 69 69 70 70 71 70 70 71 70 65 63 62 62 61 59 60 RH 67 84 87 93 97 82 69 72 82 93 93100 93 72 53 45 49 66 76 75 71 Wind dir SE SE SE SE SE SE S S S S S SW SW W W W W NW W W W Wind spd 5 4 3 3 4 5 9 9 6 5 5 5 6 8 9 8 5 3 3 3 4 Clouds SC B1 B2 B2 OV OV OV B2 OV OV OV B2 B2 SC SC FW B1 SC SC SC FW PoP 12hr 20 80 80 30 20 QPF 12hr 0 0.41 0.32 0.06 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C D D D L C C C C C C S S Tstms S C C L S S C C S S Obvis PF PF Heat index 83 83 83 86 88 84 Max heat 82 83 86 86 88 81 Date 06/07 Sat 06/08/24 Sun 06/09/24 Mon 06/10/24 Tue 06/11/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 61 79 61 79 60 80 61 80 Temp 79 75 64 65 77 74 64 66 76 75 65 66 77 74 64 66 77 75 Dewpt 55 53 53 53 50 51 54 55 54 56 57 57 56 56 57 58 57 58 PWind dir W W W W W N NW NW NW Wind char GN LT GN LT LT LT LT LT LT Avg clouds FW SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 10 10 20 10 30 20 20 20 20 Rain shwrs S C S S S S Tstms S S S S S $$ MDZ011-050800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 739 PM EDT Tue Jun 4 2024 Date 06/04/24 Wed 06/05/24 Thu 06/06/24 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 87 75 92 71 Temp 82 78 73 73 74 80 84 83 78 78 75 75 77 84 89 91 84 79 74 71 74 Dewpt 65 65 66 66 66 67 68 69 69 70 70 70 69 68 64 62 61 61 60 59 58 RH 56 64 79 79 76 65 59 63 74 76 84 84 76 59 44 38 46 54 62 66 57 Wind dir SE SE SE SE SE SE SE S S S S SW SW W W W W NW W W W Wind spd 5 4 2 2 3 5 9 9 5 5 5 5 5 8 9 8 4 3 2 2 3 Clouds SC B1 B2 B2 OV OV OV OV OV OV OV B2 B2 B1 SC SC SC SC SC SC FW PoP 12hr 20 80 80 30 20 QPF 12hr 0 0.46 0.27 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C D D D L C C C C C C S S Tstms S C C L S S C C S S Obvis PF PF Heat index 84 82 87 87 87 90 92 84 Max heat 85 83 87 88 90 92 83 Date 06/07 Sat 06/08/24 Sun 06/09/24 Mon 06/10/24 Tue 06/11/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 67 84 66 84 66 85 67 85 Temp 83 77 69 70 81 75 69 71 80 77 71 71 81 75 69 71 81 76 Dewpt 53 52 53 52 49 50 53 53 52 55 57 55 55 55 57 56 56 57 PWind dir W W W W W N NW NW NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 10 10 20 10 30 20 30 20 30 Rain shwrs S C S C S S C Tstms S S S S S C $$ WVZ052-050800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 739 PM EDT Tue Jun 4 2024 Date 06/04/24 Wed 06/05/24 Thu 06/06/24 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 65 81 66 84 59 Temp 77 71 68 66 68 74 77 77 76 71 69 67 69 77 82 83 79 69 64 60 65 Dewpt 64 63 64 64 66 67 68 68 67 67 67 65 67 64 60 57 58 57 56 55 57 RH 64 76 87 93 93 79 74 74 74 87 93 93 93 64 47 41 49 66 75 84 75 Wind dir SE S SE SE SE S S S S S SW SW SW W W W W W W W W Wind spd 5 5 4 4 5 5 8 8 6 5 5 5 6 9 10 10 5 5 4 4 5 Clouds B1 B2 B1 B2 B2 OV B2 B2 OV OV B2 B1 B1 SC FW SC SC SC FW FW FW PoP 12hr 30 80 80 20 10 QPF 12hr 0.03 0.26 0.05 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C D D D L C C S S Tstms C S C L C L S S S Obvis PF PF PF Heat index 82 Max heat 82 82 83 Date 06/07 Sat 06/08/24 Sun 06/09/24 Mon 06/10/24 Tue 06/11/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 55 74 55 76 54 76 55 78 Temp 74 69 59 60 72 70 59 62 72 71 60 61 74 71 59 61 74 73 Dewpt 51 50 49 51 49 50 50 53 51 53 54 54 54 53 54 56 54 55 PWind dir W W W W W NW NW W NW Wind char GN LT GN LT GN LT LT LT LT Avg clouds FW SC FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 10 10 20 10 30 20 30 20 30 Rain shwrs S S S C S C S S C Tstms S S S S S C $$ VAZ506-050800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 739 PM EDT Tue Jun 4 2024 Date 06/04/24 Wed 06/05/24 Thu 06/06/24 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 84 70 88 63 Temp 80 74 70 68 69 76 82 80 78 74 72 70 73 80 85 87 83 73 67 64 68 Dewpt 66 66 66 67 68 70 70 70 70 70 70 70 70 70 65 64 62 61 60 59 60 RH 62 76 87 97 97 82 67 72 76 87 93100 90 72 51 46 49 66 78 84 76 Wind dir SE SE SE SE SE S S S S S S SW SW W W W NW NW W W W Wind spd 5 4 3 3 4 5 8 8 6 5 5 5 5 6 6 6 5 4 3 3 4 Clouds SC B1 B1 B2 OV OV OV OV OV OV B2 B2 B1 SC SC SC B1 SC SC FW FW PoP 12hr 20 80 80 30 20 QPF 12hr 0 0.25 0.10 0.08 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C D D D C S S C C S S S S Tstms S S C C C C S S S S S S Heat index 82 86 83 83 87 88 84 Max heat 83 86 88 87 88 81 Date 06/07 Sat 06/08/24 Sun 06/09/24 Mon 06/10/24 Tue 06/11/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 59 78 59 78 58 79 58 80 Temp 78 73 62 64 76 73 62 65 75 74 64 64 77 73 62 64 77 74 Dewpt 54 52 52 53 50 52 53 55 55 56 57 57 56 57 57 58 57 58 PWind dir W W W W W N NW NW NW Wind char GN LT LT LT LT LT LT LT LT Avg clouds FW SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 10 10 20 10 30 20 30 20 30 Rain shwrs S C S C S C Tstms S S S S S C $$ VAZ037-050800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 739 PM EDT Tue Jun 4 2024 Date 06/04/24 Wed 06/05/24 Thu 06/06/24 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 85 71 91 64 Temp 81 74 71 70 71 78 81 82 79 75 73 71 74 82 88 91 85 75 68 65 70 Dewpt 67 66 66 65 67 68 68 68 67 67 67 66 67 66 63 60 59 58 57 56 57 RH 63 76 84 84 87 71 65 63 67 76 81 84 79 58 43 36 41 55 68 73 63 Wind dir SE E SE SE S S S S S S SW SW SW SW W W W W W W W Wind spd 4 2 1 1 2 5 8 9 8 6 6 6 6 6 8 8 5 5 4 4 4 Clouds B1 B1 B1 B2 B2 B2 B2 B2 OV OV B2 B2 SC SC FW FW SC FW SC FW CL PoP 12hr 60 80 90 20 5 QPF 12hr 0.28 0.30 0.05 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C S C L D D D C S S S S S S Tstms C C S C L L C S S S S S Obvis PF PF Heat index 83 84 85 84 89 91 85 Max heat 86 84 87 89 91 82 Date 06/07 Sat 06/08/24 Sun 06/09/24 Mon 06/10/24 Tue 06/11/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 59 81 59 82 60 82 59 83 Temp 80 75 63 65 78 74 63 66 78 75 66 66 80 74 63 65 80 75 Dewpt 50 50 49 50 49 49 51 53 54 55 55 55 54 54 54 55 54 56 PWind dir W W W W W NW W NW NW Wind char GN LT GN LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC FW SC SC PoP 12hr 5 5 20 10 20 20 30 20 20 Rain shwrs S S S C S S Tstms S S S C S S $$ MDZ003-050800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 739 PM EDT Tue Jun 4 2024 Date 06/04/24 Wed 06/05/24 Thu 06/06/24 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 82 68 84 59 Temp 79 72 70 67 69 75 79 79 75 72 70 68 71 76 81 83 77 68 63 59 64 Dewpt 64 65 65 65 67 68 69 69 69 68 69 68 69 67 62 59 60 60 58 57 58 RH 60 79 84 93 93 79 72 72 82 87 97100 93 74 53 44 56 76 84 93 81 Wind dir SE SE SE SE SE S S S S S S SW SW W W W W W W W W Wind spd 5 4 4 4 4 5 8 8 5 5 5 5 5 8 10 9 5 4 3 3 4 Clouds B1 B1 B1 B2 OV OV OV OV OV OV B2 B2 B1 SC FW SC SC SC FW FW FW PoP 12hr 20 80 80 20 10 QPF 12hr 0 0.41 0.23 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C D D D L C C S S Tstms S S C C C L S S S Obvis PF PF PF PF Heat index 82 83 Max heat 83 84 82 83 Date 06/07 Sat 06/08/24 Sun 06/09/24 Mon 06/10/24 Tue 06/11/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 56 75 56 75 55 76 56 78 Temp 75 69 60 62 73 69 59 63 74 71 61 62 74 71 59 63 75 72 Dewpt 53 51 52 53 51 51 53 55 54 53 57 56 55 55 56 57 56 57 PWind dir W W W W W NW NW W NW Wind char GN LT GN LT GN LT LT LT LT Avg clouds FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 10 30 10 30 20 30 10 30 Rain shwrs S S C S C S S C S C Tstms S S S S S S C $$ MDZ017-050800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 739 PM EDT Tue Jun 4 2024 Date 06/04/24 Wed 06/05/24 Thu 06/06/24 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 83 71 87 69 Temp 77 71 70 69 71 78 80 80 75 74 73 72 74 82 86 84 78 74 71 69 72 Dewpt 68 67 66 67 68 69 69 70 70 69 69 68 69 70 70 68 69 66 64 62 63 RH 74 87 87 93 90 74 69 72 84 84 87 87 84 67 59 59 74 76 79 78 73 Wind dir SE SE SE SE SE SE SE S S S S SW SW SW SW SW S W NW W W Wind spd 8 5 5 5 5 6 10 10 9 10 10 10 10 10 10 8 5 5 4 4 5 Clouds SC B1 B2 B2 OV B2 B2 B2 OV B2 OV B2 B2 B1 SC FW SC SC SC SC FW PoP 12hr 20 70 80 40 20 QPF 12hr 0 0.31 0.13 0.36 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C L L D C C C C C C C S S Tstms S C C C C C S S C C C S S Obvis PF PF Heat index 83 83 86 91 87 Max heat 83 85 85 91 90 Date 06/07 Sat 06/08/24 Sun 06/09/24 Mon 06/10/24 Tue 06/11/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 63 81 64 81 64 80 64 81 Temp 82 75 67 68 79 75 67 69 77 75 69 68 79 74 66 68 77 73 Dewpt 58 59 54 55 54 56 55 57 57 61 60 60 59 60 59 60 59 61 PWind dir W NW W W SW SW NW NW NW Wind char LT LT LT LT GN LT LT LT LT Avg clouds FW FW FW FW FW SC SC SC SC SC B1 SC SC SC SC SC SC SC PoP 12hr 5 10 10 10 20 30 20 20 20 Rain shwrs S C S S S S Tstms S S S S S $$ WVZ502-050800- Petersburg WV 38.99N 79.15W Elev. 963 ft 739 PM EDT Tue Jun 4 2024 Date 06/04/24 Wed 06/05/24 Thu 06/06/24 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 84 65 84 56 Temp 73 70 67 64 67 78 80 80 77 70 67 65 67 75 82 83 76 66 60 56 60 Dewpt 68 66 64 63 66 68 69 69 69 67 66 65 66 63 60 58 59 58 56 54 54 RH 84 87 90 97 97 71 69 69 76 90 97100 97 66 47 43 56 75 87 93 81 Wind dir N S S S S S S S S S SW SW W W W W W W W W W Wind spd 3 2 2 2 2 3 5 5 5 5 4 4 3 5 9 10 5 4 3 3 4 Clouds B1 B1 B1 B1 B2 B2 B2 B2 OV B2 B2 B1 B1 FW FW SC SC SC SC SC FW PoP 12hr 60 90 80 20 10 QPF 12hr 0.25 0.17 0.11 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L S C L D D D L C C S S Tstms C S S C L L L C C S S Obvis PF PF Heat index 83 83 82 83 Max heat 83 85 82 84 Date 06/07 Sat 06/08/24 Sun 06/09/24 Mon 06/10/24 Tue 06/11/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 53 75 54 76 53 76 52 78 Temp 72 67 56 57 72 68 58 60 73 70 59 58 74 68 56 58 75 71 Dewpt 51 51 49 50 49 51 51 53 55 55 55 54 54 55 54 55 56 57 PWind dir W W W W W W W W W Wind char GN LT GN LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 10 30 20 40 20 40 20 30 Rain shwrs S S C S S S C S S C S S C Tstms S S S S S C S C $$ MDZ014-050800- Annapolis MD 38.99N 76.49W Elev. 7 ft 739 PM EDT Tue Jun 4 2024 Date 06/04/24 Wed 06/05/24 Thu 06/06/24 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 81 72 86 69 Temp 77 73 70 70 71 75 77 78 76 74 73 72 74 79 83 85 81 75 71 70 72 Dewpt 68 68 67 67 68 69 71 70 70 71 70 70 70 70 68 65 65 64 63 61 61 RH 74 84 90 90 90 82 82 76 82 90 90 93 87 74 61 51 58 69 76 73 68 Wind dir SE SE SE SE SE S S S S S S SW SW SW W SW SW W NW W W Wind spd 6 5 3 4 4 8 10 10 9 8 8 8 8 10 10 9 5 3 3 3 4 Clouds SC B1 B2 B2 OV OV OV B2 OV OV OV B2 B2 B1 SC SC SC SC SC SC FW PoP 12hr 20 80 80 30 20 QPF 12hr 0 0.29 0.34 0.18 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C L D D L C C C C C C S S Tstms S C C L S S C C C S Obvis PF Heat index 86 87 83 Max heat 86 87 Date 06/07 Sat 06/08/24 Sun 06/09/24 Mon 06/10/24 Tue 06/11/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 65 79 64 79 65 79 65 80 Temp 78 75 67 68 76 74 67 69 75 75 69 68 75 74 67 68 75 73 Dewpt 58 56 56 55 54 54 55 56 57 59 60 58 59 59 59 59 60 60 PWind dir W W W W W N NW W NW Wind char GN LT GN LT GN LT LT LT LT Avg clouds FW SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 10 10 20 10 20 30 20 20 20 Rain shwrs S S C S S S Tstms S S S S S $$