Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
277 FOUS51 KLWX 231737 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 137 PM EDT Sun Jun 23 2024 VAZ054-232000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 137 PM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 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 89 71 93 Temp 98 98 91 86 82 79 80 85 89 88 85 79 73 71 76 85 91 93 88 Dewpt 66 67 66 68 70 67 64 58 56 55 54 55 56 56 58 55 53 54 56 RH 35 37 44 55 67 67 58 40 33 33 35 44 55 59 54 36 28 27 34 Wind dir SW SW SW SW SW NW NW NW NW NW NW NW NW NW NW W SW SW S Wind spd 17 17 12 10 9 10 14 16 18 17 14 11 10 9 8 8 8 9 9 Clouds B2 B2 B1 B2 B2 B1 SC FW CL FW FW CL FW CL CL CL FW FW FW PoP 12hr 30 70 5 0 0 QPF 12hr 0.10 0.04 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C Tstms S C S Heat index 102103 94 89 86 82 Max heat 102 103 93 85 87 87 82 89 91 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 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 98 77 91 73 91 75 93 Temp 78 80 95 86 79 79 89 86 75 75 87 84 76 78 90 86 Dewpt 60 62 65 68 70 70 66 62 63 59 61 64 69 69 70 69 PWind dir S SW W NW N E SE S Wind char GN GN LT LT LT GN GN GN Avg clouds SC SC SC SC B1 B2 B1 SC FW FW FW SC SC B1 SC SC PoP 12hr 0 30 60 30 10 10 10 20 Rain shwrs C L C S C S Tstms C L C S C S $$ MDZ013-232000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 137 PM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 99 74 88 67 92 Temp 99 97 92 84 80 76 76 83 87 88 82 75 71 67 74 84 90 92 86 Dewpt 65 66 66 68 69 68 65 60 58 57 56 56 56 56 59 56 55 55 58 RH 33 36 43 59 69 76 69 46 38 35 41 52 59 68 59 38 31 29 39 Wind dir SW SW SW SW W W NW NW NW NW NW NW NW NW NW NW W SW S Wind spd 14 14 8 5 5 6 12 13 16 16 12 8 8 6 5 4 6 8 5 Clouds B2 B2 B2 B2 B2 B1 SC FW FW SC FW CL FW CL CL CL FW FW SC PoP 12hr 40 70 5 0 0 QPF 12hr 0.27 0.06 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C Tstms S C C Heat index 102101 95 87 83 83 82 Max heat 102 102 93 83 86 87 81 88 90 Heat Y Y Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 98 73 89 68 89 70 92 Temp 76 78 95 86 75 75 87 84 70 71 85 83 71 74 89 85 Dewpt 60 62 67 70 71 71 68 62 63 59 62 64 68 70 71 70 PWind dir S SW SW NW NE E SE S Wind char LT GN LT LT LT LT LT GN Avg clouds SC SC SC B1 B2 B2 B1 SC FW FW FW SC SC B1 B1 SC PoP 12hr 0 30 60 30 5 10 10 20 Rain shwrs C L C S C S Tstms C L C S S S $$ MDZ011-232000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 137 PM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 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 79 91 72 95 Temp 99 98 91 87 83 80 80 86 90 90 84 80 74 72 77 88 93 95 89 Dewpt 64 65 64 67 68 67 63 58 56 54 53 55 55 56 56 54 53 52 55 RH 32 34 41 52 61 65 56 39 32 30 34 42 51 57 48 31 26 23 32 Wind dir SW SW SW SW W W NW NW NW NW NW NW NW NW NW NW W SW S Wind spd 13 12 8 5 5 6 12 13 14 16 12 8 8 6 5 4 6 6 5 Clouds B2 B2 B2 B2 B2 B1 FW FW FW FW FW CL FW CL CL CL FW FW SC PoP 12hr 40 70 5 0 0 QPF 12hr 0.18 0.04 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C Tstms S L C Heat index 102101 93 90 86 82 81 80 Max heat 103 102 93 85 88 89 83 91 92 Heat Y Y Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 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 99 77 90 73 92 75 92 Temp 80 81 96 86 79 77 88 83 75 75 88 84 75 77 89 84 Dewpt 60 61 65 67 70 69 66 60 60 57 60 62 67 68 69 68 PWind dir S SW W NW N E SE S Wind char LT GN LT LT LT LT LT GN Avg clouds SC SC SC B1 B2 B2 B1 SC FW FW FW SC SC B1 B1 SC PoP 12hr 0 30 60 20 5 10 10 20 Rain shwrs C L C S S S Tstms C L C S S S $$ WVZ052-232000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 137 PM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 94 67 83 60 89 Temp 94 93 85 77 73 67 71 78 82 83 80 69 65 60 68 79 87 89 84 Dewpt 65 64 63 66 66 63 60 56 55 54 53 54 55 55 57 56 53 53 57 RH 39 38 48 69 79 87 68 47 40 37 39 59 70 84 68 45 31 29 40 Wind dir SW W W W W NW NW NW NW NW NW NW NW W W W SW SW S Wind spd 14 14 8 8 6 9 14 16 17 16 11 8 5 4 4 4 8 8 3 Clouds B2 B2 B2 B1 B1 SC FW FW FW FW FW CL CL CL CL FW FW FW SC PoP 12hr 50 50 5 0 0 QPF 12hr 0.01 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S Tstms C C Heat index 97 95 86 80 Max heat 97 97 83 81 82 85 87 Heat Y Y Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 93 67 85 61 86 66 91 Temp 68 72 90 82 71 71 82 80 64 65 82 81 68 70 86 86 Dewpt 58 61 64 67 68 68 63 59 58 56 59 62 65 66 68 67 PWind dir SW SW W NW N E SE S Wind char LT LT LT LT LT LT LT GN Avg clouds SC SC SC B1 B2 B1 SC FW FW FW FW SC SC B1 B1 SC PoP 12hr 5 50 60 20 5 10 10 20 Rain shwrs C L S S S S Tstms C L S S S S $$ VAZ506-232000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 137 PM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 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 72 86 64 92 Temp 97 97 91 83 78 73 76 81 85 85 82 73 68 64 72 84 90 92 87 Dewpt 66 65 66 67 69 69 65 61 58 57 57 57 56 57 60 58 56 56 58 RH 36 35 44 59 74 87 69 51 40 39 43 57 65 78 66 41 32 30 38 Wind dir SW SW SW SW W NW NW NW NW NW NW NW NW NW NW W W SW S Wind spd 14 14 8 5 5 6 12 14 16 14 11 8 5 5 4 4 5 6 5 Clouds B2 B2 B2 B2 B2 B1 FW FW FW FW FW FW CL CL CL CL FW FW FW PoP 12hr 30 60 5 0 0 QPF 12hr 0.16 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C Tstms S S C Heat index 101100 94 86 82 82 84 Max heat 101 102 90 84 85 88 90 Heat Y Y Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 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 98 72 88 66 90 70 94 Temp 73 76 95 85 75 75 87 83 69 70 87 84 72 73 91 88 Dewpt 59 62 67 69 70 71 69 64 63 60 63 65 68 70 72 70 PWind dir S SW W NW N E SE S Wind char LT GN LT LT LT LT LT LT Avg clouds FW SC SC B1 B2 B2 SC SC FW FW FW SC SC B1 SC SC PoP 12hr 5 40 60 30 10 10 10 20 Rain shwrs C L S S C S Tstms C C S S S S $$ VAZ037-232000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 137 PM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 97 74 91 64 94 Temp 97 96 90 82 76 74 77 85 90 90 83 74 67 64 71 85 92 94 87 Dewpt 65 64 62 64 66 67 65 58 55 55 54 55 55 55 57 55 54 55 57 RH 35 35 39 55 71 79 67 40 31 31 37 51 65 73 61 36 28 27 36 Wind dir SW SW SW SW SW W NW NW NW NW N NW NW NW NW SW SW SW S Wind spd 13 13 8 6 5 5 9 10 11 11 10 8 5 4 2 3 6 6 5 Clouds B1 B2 B1 B1 B1 SC FW CL FW FW CL CL CL CL CL CL FW FW FW PoP 12hr 30 40 5 0 0 QPF 12hr 0.05 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S Tstms S C Heat index 100 98 90 83 Max heat 100 100 87 88 89 80 90 92 Heat Y Y Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 98 72 92 68 92 71 95 Temp 72 75 95 86 75 75 88 84 70 71 88 85 73 75 91 89 Dewpt 58 61 64 64 67 69 67 64 63 61 62 64 66 68 69 68 PWind dir SW SW W N N E SE S Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC B1 B1 B1 SC SC FW FW SC SC SC SC SC PoP 12hr 0 30 50 40 10 20 10 20 Rain shwrs C C C S C S S Tstms C C C S C S S $$ MDZ003-232000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 137 PM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 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 68 84 61 90 Temp 93 93 85 77 74 69 71 77 82 84 80 70 65 61 69 81 87 90 85 Dewpt 66 64 66 68 69 64 62 58 57 55 55 56 56 56 59 58 54 54 59 RH 41 38 53 74 84 84 73 52 43 37 42 61 73 84 70 46 32 30 41 Wind dir SW SW W W W W NW NW NW NW NW NW NW NW W W SW SW S Wind spd 17 14 9 6 5 6 12 16 16 16 10 8 4 3 3 4 6 6 4 Wind gust 25 20 18 16 19 24 26 27 26 Clouds B2 B2 B2 B1 B1 SC FW FW FW FW FW CL CL CL CL FW FW FW SC PoP 12hr 50 50 5 0 0 QPF 12hr 0.01 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S Tstms C C Heat index 96 95 87 82 80 81 85 Max heat 97 97 82 82 83 85 88 Heat Y Y Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 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 95 69 85 62 88 68 93 Temp 70 74 92 84 73 73 83 80 66 67 84 82 70 72 88 87 Dewpt 60 63 68 69 70 70 64 60 59 57 60 63 66 68 69 69 PWind dir S SW W NW N SE SE S Wind char LT LT LT LT LT LT LT GN Avg clouds SC SC SC B1 B2 B1 SC FW FW FW FW SC SC B1 B1 SC PoP 12hr 5 50 60 20 5 5 10 20 Rain shwrs C L S S S Tstms C L S S $$ MDZ017-232000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 137 PM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 99 76 91 70 91 Temp 98 97 91 85 81 77 80 85 90 90 84 77 72 70 76 86 90 90 85 Dewpt 69 70 70 70 71 71 70 65 61 60 61 60 58 58 61 59 59 59 63 RH 39 42 50 61 72 82 72 51 38 37 46 56 61 66 60 40 35 35 48 Wind dir SW SW SW SW SW SW NW NW NW NW NW NW NW NW NW NW SW S S Wind spd 16 16 11 11 11 10 10 12 14 14 11 10 9 9 8 6 8 9 8 Wind gust 21 Clouds B1 B2 B2 B2 B2 B2 B1 SC FW FW FW CL CL CL CL CL FW FW FW PoP 12hr 20 70 5 0 0 QPF 12hr 0.01 0.04 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C S Tstms C C C S Heat index 104104 97 90 85 83 87 90 90 84 86 Max heat 104 104 94 83 90 91 81 89 90 Heat Y Y Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 96 75 88 71 88 73 89 Temp 76 79 93 86 77 78 86 84 74 75 86 83 74 77 88 81 Dewpt 63 67 69 71 69 72 71 67 67 64 66 68 69 71 72 70 PWind dir S S SW N N E SE SE Wind char GN GN GN LT LT GN GN GN Avg clouds SC SC FW SC B1 B2 B1 SC SC FW FW FW SC B1 SC SC PoP 12hr 0 20 50 40 20 10 10 10 Rain shwrs S C C S C S Tstms S C C S C S $$ WVZ502-232000- Petersburg WV 38.99N 79.15W Elev. 963 ft 137 PM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 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 65 82 56 91 Temp 93 93 83 75 71 66 68 76 81 82 76 65 60 56 63 80 89 91 83 Dewpt 64 63 66 67 67 63 62 59 57 56 57 57 56 54 57 56 54 56 62 RH 38 37 57 76 87 90 81 56 44 41 52 75 87 93 81 44 30 31 49 Wind dir W W E SE SE E NE NW NW NW NW NW W SW SW SW SW W SW Wind spd 12 11 6 5 4 4 6 11 13 13 6 3 3 3 2 3 4 5 3 Wind gust 21 19 17 17 21 Clouds B2 B1 B1 B1 B1 SC SC FW FW FW FW CL CL CL FW FW FW FW FW PoP 12hr 50 70 10 0 0 QPF 12hr 0.03 0.04 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L C Tstms S C Heat index 95 94 85 81 82 80 84 Max heat 95 96 81 82 87 89 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 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 94 66 86 60 90 66 94 Temp 67 70 92 80 70 69 84 79 62 65 87 82 68 70 92 87 Dewpt 58 62 67 69 68 68 66 62 61 60 62 65 65 67 70 70 PWind dir SW SW W NW N SE S S Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC B1 B2 B2 SC FW FW SC FW SC SC SC SC SC PoP 12hr 5 50 60 30 10 10 10 30 Rain shwrs C L C S C C Tstms C L C S S C $$ MDZ014-232000- Annapolis MD 38.99N 76.49W Elev. 7 ft 137 PM EDT Sun Jun 23 2024 Date Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 96 77 88 71 90 Temp 96 96 90 84 81 77 78 83 87 88 83 79 74 71 77 84 88 90 85 Dewpt 67 68 68 70 70 68 65 61 60 58 58 59 58 58 59 59 58 58 62 RH 39 40 49 63 69 74 64 47 40 36 43 50 57 63 54 43 36 34 46 Wind dir SW SW SW SW SW W NW NW NW NW NW NW NW NW NW NW SW S S Wind spd 14 13 9 6 6 6 10 13 14 14 12 9 9 8 6 8 9 11 9 Clouds B2 B2 B2 B2 B2 B1 SC FW FW FW FW CL CL CL CL CL FW FW FW PoP 12hr 40 70 5 0 0 QPF 12hr 0.10 0.07 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L S Tstms S C C S Heat index 100101 94 88 85 83 87 83 84 86 Max heat 101 101 92 87 87 82 87 89 Heat Y Y Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 94 75 87 72 87 74 89 Temp 77 79 90 84 77 77 84 83 74 75 83 81 74 77 86 83 Dewpt 64 64 69 71 71 71 69 65 65 61 64 67 69 70 72 71 PWind dir S S SW N NE E SE S Wind char GN GN LT LT LT GN GN GN Avg clouds SC SC SC SC B1 B2 B1 SC FW FW FW FW SC B1 SC SC PoP 12hr 0 30 60 30 10 10 10 20 Rain shwrs C L C S C S Tstms C L C S S S $$