Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
657 FOUS51 KLWX 232337 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 737 PM EDT Sun Jun 23 2024 VAZ054-240800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 737 PM EDT Sun Jun 23 2024 Date 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 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 78 89 71 93 77 Temp 91 86 82 79 80 85 89 88 85 79 73 71 76 85 91 93 88 82 78 77 80 Dewpt 66 68 70 67 64 58 56 55 54 55 56 56 58 55 53 54 56 58 60 62 62 RH 44 55 67 67 58 40 33 33 35 44 55 59 54 36 28 27 34 44 54 60 54 Wind dir SW SW SW NW NW NW NW NW NW NW NW NW NW W SW SW S S S SW SW Wind spd 12 10 9 10 14 16 18 17 14 11 10 9 8 8 8 9 9 9 9 9 9 Clouds B2 B2 B2 B1 SC FW CL FW FW CL CL CL CL CL FW FW FW SC SC FW SC PoP 12hr 70 5 0 0 0 QPF 12hr 0.02 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms C S Heat index 94 89 86 82 82 81 Max heat 99 93 85 87 87 82 89 91 85 81 Date 06/26 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 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 98 77 91 73 91 75 93 78 95 Temp 95 86 79 79 89 86 75 75 87 84 76 78 90 86 79 81 93 86 Dewpt 65 68 70 70 66 62 63 59 61 64 69 69 70 69 70 72 70 71 PWind dir SW W NW N E SE S S SW Wind char GN LT LT LT GN GN GN GN GN Avg clouds SC SC B1 B2 B1 SC FW FW FW SC SC B1 SC SC SC SC SC B1 PoP 12hr 30 60 30 10 10 10 20 20 40 Rain shwrs C L C S C S S S S C Tstms C L C S C S S S C $$ MDZ013-240800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 737 PM EDT Sun Jun 23 2024 Date 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 88 67 92 74 Temp 92 84 80 76 76 83 87 88 82 75 71 67 74 84 90 92 86 78 76 74 78 Dewpt 66 68 69 68 65 60 58 57 56 56 56 56 59 56 55 55 58 59 60 61 62 RH 43 59 69 76 69 46 38 35 41 52 59 68 59 38 31 29 39 52 58 64 58 Wind dir SW SW W W NW NW NW NW NW NW NW NW NW NW W SW S S S SW SW Wind spd 8 5 5 6 12 13 16 16 12 8 8 6 5 4 6 8 5 5 5 5 6 Clouds B2 B2 OV B1 SC FW FW FW FW CL CL CL CL CL FW FW SC SC SC FW SC PoP 12hr 70 5 0 0 0 QPF 12hr 0.06 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C Tstms C C Heat index 95 87 83 83 82 Max heat 97 93 83 86 87 81 88 90 83 Date 06/26 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 98 73 89 68 89 70 92 74 94 Temp 95 86 75 75 87 84 70 71 85 83 71 74 89 85 76 77 92 84 Dewpt 67 70 71 71 68 62 63 59 62 64 68 70 71 70 71 72 73 72 PWind dir SW SW NW NE E SE S S SW Wind char GN LT LT LT LT LT GN LT GN Avg clouds SC B1 B2 B2 B1 SC FW FW FW SC SC B1 B1 SC B1 SC B1 B1 PoP 12hr 30 60 30 5 10 10 20 20 40 Rain shwrs C L C S C S S S S C Tstms C L C S S S S S S C $$ MDZ011-240800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 737 PM EDT Sun Jun 23 2024 Date 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 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 79 91 72 95 79 Temp 91 87 83 80 80 86 90 90 84 80 74 72 77 88 93 95 89 84 80 79 81 Dewpt 64 67 68 67 63 58 56 54 53 55 55 56 56 54 53 52 55 58 60 61 61 RH 41 52 61 65 56 39 32 30 34 42 51 57 48 31 26 23 32 41 51 54 51 Wind dir SW SW W W NW NW NW NW NW NW NW NW NW NW W SW S S S SW SW Wind spd 8 5 5 6 12 13 14 16 12 8 8 6 5 4 6 6 5 5 5 5 8 Clouds B2 B2 OV B1 SC FW FW FW FW CL CL CL CL CL FW FW SC SC SC SC SC PoP 12hr 70 5 0 0 0 QPF 12hr 0.10 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C Tstms L C Heat index 93 90 86 82 81 80 84 81 82 Max heat 97 93 85 88 89 83 91 92 86 82 Date 06/26 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 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 99 77 90 73 92 75 92 79 94 Temp 96 86 79 77 88 83 75 75 88 84 75 77 89 84 79 81 92 84 Dewpt 65 67 70 69 66 60 60 57 60 62 67 68 69 68 70 70 70 69 PWind dir SW W NW N E SE S S SW Wind char GN LT LT LT LT LT GN LT GN Avg clouds SC B1 B2 B2 B1 SC FW FW FW SC SC B1 B1 SC B1 B1 B1 B1 PoP 12hr 30 60 20 5 10 10 20 20 40 Rain shwrs C L C S S S S S S C Tstms C L C S S S S S S C $$ WVZ052-240800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 737 PM EDT Sun Jun 23 2024 Date 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 83 60 89 66 Temp 85 77 73 67 71 78 82 83 80 69 65 60 68 79 87 89 84 73 68 66 72 Dewpt 63 66 66 63 60 56 55 54 53 54 55 55 57 56 53 53 57 58 58 58 61 RH 48 69 79 87 68 47 40 37 39 59 70 84 68 45 31 29 40 59 70 75 68 Wind dir W W W NW NW NW NW NW NW NW NW W W W SW SW S S SW SW SW Wind spd 8 8 6 9 14 16 17 16 11 8 5 4 4 4 8 8 3 4 4 3 4 Clouds OV OV B1 B1 SC FW FW FW FW CL CL CL CL FW FW FW SC SC SC SC SC PoP 12hr 50 5 0 0 5 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S Tstms C Heat index 86 80 Max heat 91 83 81 82 85 87 81 Date 06/26 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 93 67 85 61 86 66 91 70 91 Temp 90 82 71 71 82 80 64 65 82 81 68 70 86 86 73 75 88 84 Dewpt 64 67 68 68 63 59 58 56 59 62 65 66 68 67 68 69 68 67 PWind dir SW W NW N E SE S S W Wind char LT LT LT LT LT LT GN LT LT Avg clouds SC B1 B2 B1 SC FW FW FW FW SC SC B1 B1 SC B1 SC SC B1 PoP 12hr 50 60 20 5 10 10 20 20 50 Rain shwrs C L S S S S S S C C Tstms C L S S S S S S S C $$ VAZ506-240800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 737 PM EDT Sun Jun 23 2024 Date 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 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 86 64 92 71 Temp 91 83 78 73 76 81 85 85 82 73 68 64 72 84 90 92 87 78 73 71 76 Dewpt 66 67 69 69 65 61 58 57 57 57 56 57 60 58 56 56 58 58 59 60 62 RH 44 59 74 87 69 51 40 39 43 57 65 78 66 41 32 30 38 50 62 68 62 Wind dir SW SW W NW NW NW NW NW NW NW NW NW NW W W SW S S S S S Wind spd 8 5 5 6 12 14 16 14 11 8 5 5 4 4 5 6 5 5 5 5 6 Clouds B2 OV B2 SC SC FW FW FW FW CL CL CL CL CL FW FW FW SC SC FW SC PoP 12hr 60 5 0 0 5 QPF 12hr 0.06 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms C Heat index 94 86 82 82 84 Max heat 98 90 84 85 88 90 84 Date 06/26 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 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 98 72 88 66 90 70 94 74 95 Temp 95 85 75 75 87 83 69 70 87 84 72 73 91 88 77 78 93 85 Dewpt 67 69 70 71 69 64 63 60 63 65 68 70 72 70 71 72 73 72 PWind dir SW W NW N E SE S S W Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC B1 B2 B2 SC SC FW FW FW SC SC B1 SC SC SC SC SC B1 PoP 12hr 40 60 30 10 10 10 20 20 40 Rain shwrs C L S S C S S S S C Tstms C C S S S S S S C $$ VAZ037-240800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 737 PM EDT Sun Jun 23 2024 Date 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 91 64 94 70 Temp 90 82 76 74 77 85 90 90 83 74 67 64 71 85 92 94 87 78 72 70 75 Dewpt 62 64 66 67 65 58 55 55 54 55 55 55 57 55 54 55 57 58 58 58 61 RH 39 55 71 79 67 40 31 31 37 51 65 73 61 36 28 27 36 50 61 66 62 Wind dir SW SW SW W NW NW NW NW N NW NW NW NW SW SW SW S SW SW SW SW Wind spd 8 6 5 5 9 10 11 11 10 8 5 4 2 3 6 6 5 5 5 5 5 Clouds B1 B2 B2 SC FW FW CL FW CL CL CL CL CL CL FW FW FW FW FW FW SC PoP 12hr 40 5 0 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S Tstms C Heat index 90 83 Max heat 97 87 88 89 80 90 92 83 Date 06/26 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 98 72 92 68 92 71 95 75 96 Temp 95 86 75 75 88 84 70 71 88 85 73 75 91 89 77 79 94 85 Dewpt 64 64 67 69 67 64 63 61 62 64 66 68 69 68 68 69 70 71 PWind dir SW W N N E SE S S SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC B1 B1 B1 SC SC FW FW SC SC SC SC SC SC SC SC B1 PoP 12hr 30 50 40 10 20 10 20 10 40 Rain shwrs C C C S C S S S C Tstms C C C S C S S C $$ MDZ003-240800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 737 PM EDT Sun Jun 23 2024 Date 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 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 84 61 90 68 Temp 85 77 74 69 71 77 82 84 80 70 65 61 69 81 87 90 85 75 70 68 74 Dewpt 66 68 69 64 62 58 57 55 55 56 56 56 59 58 54 54 59 59 60 60 63 RH 53 74 84 84 73 52 43 37 42 61 73 84 70 46 32 30 41 58 71 76 69 Wind dir W W W W NW NW NW NW NW NW NW NW W W SW SW S S S S SW Wind spd 9 6 5 6 12 16 16 16 10 8 4 3 3 4 6 6 4 4 4 4 5 Wind gust 20 18 16 19 24 26 27 26 Clouds B2 OV B1 SC FW FW FW FW FW CL CL CL CL FW FW FW SC SC SC SC SC PoP 12hr 50 5 0 0 5 QPF 12hr 0.03 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S Tstms C Heat index 87 82 80 81 85 Max heat 91 82 82 83 85 88 81 Date 06/26 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 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 95 69 85 62 88 68 93 73 92 Temp 92 84 73 73 83 80 66 67 84 82 70 72 88 87 76 77 90 85 Dewpt 68 69 70 70 64 60 59 57 60 63 66 68 69 69 70 71 71 69 PWind dir SW W NW N SE SE S S W Wind char LT LT LT LT LT LT GN LT LT Avg clouds SC B1 B2 B1 SC FW FW FW FW SC SC B1 B1 SC B1 SC SC SC PoP 12hr 50 60 20 5 5 10 20 20 50 Rain shwrs C L S S S S S C C Tstms C L S S S S S C $$ MDZ017-240800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 737 PM EDT Sun Jun 23 2024 Date 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 91 70 91 75 Temp 91 85 81 77 80 85 90 90 84 77 72 70 76 86 90 90 85 80 76 75 79 Dewpt 70 70 71 71 70 65 61 60 61 60 58 58 61 59 59 59 63 64 63 65 67 RH 50 61 72 82 72 51 38 37 46 56 61 66 60 40 35 35 48 58 64 71 67 Wind dir SW SW SW SW NW NW NW NW NW NW NW NW NW NW SW S S S S SW SW Wind spd 11 11 11 10 10 12 14 14 11 10 9 9 8 6 8 9 8 10 10 10 11 Wind gust 21 Clouds B2 B2 OV B2 B2 SC FW FW FW FW CL CL CL CL FW FW FW SC SC FW SC PoP 12hr 70 5 0 0 0 QPF 12hr 0.06 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C S Tstms C C C S Heat index 97 90 85 83 87 90 90 84 86 82 Max heat 100 94 83 90 91 81 89 90 84 Date 06/26 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 96 75 88 71 88 73 89 75 93 Temp 93 86 77 78 86 84 74 75 86 83 74 77 88 81 76 79 91 84 Dewpt 69 71 69 72 71 67 67 64 66 68 69 71 72 70 71 73 73 72 PWind dir S SW N N E SE SE S S Wind char GN GN LT LT GN GN GN GN GN Avg clouds FW SC B1 B2 B1 SC SC FW FW FW SC B1 SC SC SC SC SC B1 PoP 12hr 20 50 40 20 10 10 10 20 40 Rain shwrs S C C S C S S C Tstms S C C S C S S C $$ WVZ502-240800- Petersburg WV 38.99N 79.15W Elev. 963 ft 737 PM EDT Sun Jun 23 2024 Date 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 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 82 56 91 65 Temp 83 75 71 66 68 76 81 82 76 65 60 56 63 80 89 91 83 72 67 65 70 Dewpt 66 67 67 63 62 59 57 56 57 57 56 54 57 56 54 56 62 60 58 58 62 RH 57 76 87 90 81 56 44 41 52 75 87 93 81 44 30 31 49 66 73 78 76 Wind dir E SE SE E NE NW NW NW NW NW W SW SW SW SW W SW SW SW SW SW Wind spd 6 5 4 4 6 11 13 13 6 3 3 3 2 3 4 5 3 3 3 3 3 Wind gust 19 17 17 21 Clouds B1 OV B1 B1 B1 FW FW FW CL CL CL CL FW FW FW FW FW SC SC SC SC PoP 12hr 70 10 0 0 5 QPF 12hr 0.03 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C Tstms C Heat index 85 81 82 80 84 Max heat 91 81 82 87 89 Date 06/26 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 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 94 66 86 60 90 66 94 70 92 Temp 92 80 70 69 84 79 62 65 87 82 68 70 92 87 73 74 90 82 Dewpt 67 69 68 68 66 62 61 60 62 65 65 67 70 70 68 70 71 71 PWind dir SW W NW N SE S S SW W Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 B2 B2 SC FW FW SC FW SC SC SC SC SC SC SC B1 B1 PoP 12hr 50 60 30 10 10 10 30 30 60 Rain shwrs C L C S C C S C C L Tstms C L C S S C S S S C $$ MDZ014-240800- Annapolis MD 38.99N 76.49W Elev. 7 ft 737 PM EDT Sun Jun 23 2024 Date 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 88 71 90 76 Temp 90 84 81 77 78 83 87 88 83 79 74 71 77 84 88 90 85 80 77 76 79 Dewpt 68 70 70 68 65 61 60 58 58 59 58 58 59 59 58 58 62 64 64 64 64 RH 49 63 69 74 64 47 40 36 43 50 57 63 54 43 36 34 46 58 64 66 60 Wind dir SW SW SW W NW NW NW NW NW NW NW NW NW NW SW S S S S SW SW Wind spd 9 6 6 6 10 13 14 14 12 9 9 8 6 8 9 11 9 9 9 9 9 Clouds B2 B2 OV B2 SC FW CL FW FW FW CL CL CL CL FW FW FW SC SC FW SC PoP 12hr 70 5 0 0 0 QPF 12hr 0.05 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L S Tstms C C S Heat index 94 88 85 83 87 83 84 86 82 Max heat 97 92 87 87 82 87 89 84 Date 06/26 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 94 75 87 72 87 74 89 77 91 Temp 90 84 77 77 84 83 74 75 83 81 74 77 86 83 78 79 88 82 Dewpt 69 71 71 71 69 65 65 61 64 67 69 70 72 71 72 72 73 72 PWind dir S SW N NE E SE S S SW Wind char GN LT LT LT GN GN GN GN GN Avg clouds SC SC B1 B2 B1 SC FW FW FW FW SC B1 SC SC SC SC SC B1 PoP 12hr 30 60 30 10 10 10 20 20 40 Rain shwrs C L C S C S S S S C Tstms C L C S S S S S S C $$