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Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
483 FOUS51 KLWX 261137 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 737 AM EDT Wed Jun 26 2024 VAZ054-262000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 737 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 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 75 90 72 87 Temp 82 90 95 94 88 81 78 76 76 81 86 89 85 79 77 73 74 80 84 86 82 Dewpt 67 68 67 67 69 70 70 70 69 66 63 62 62 63 62 60 59 59 61 62 64 RH 61 49 40 41 54 69 76 82 79 60 46 41 46 58 60 64 59 49 46 45 55 Wind dir SW W SW S S SW W NW NW N NW NW NW N N NE NE E E SE SE Wind spd 9 8 9 11 10 11 8 6 8 8 8 9 8 5 8 10 11 10 10 10 12 Clouds FW SC SC SC B1 OV B2 B2 B2 B1 SC FW FW FW FW FW FW FW SC SC SC PoP 12hr 50 80 10 0 5 QPF 12hr 0.01 0.23 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L D L C S Tstms C C L C C S Heat index 85 94 99 98 92 85 83 87 89 86 81 84 86 83 Max heat 85 99 100 88 87 89 84 84 86 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 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 91 81 94 70 84 68 87 Temp 76 77 90 89 84 82 94 87 78 71 82 80 70 70 86 83 Dewpt 68 72 74 75 75 75 74 71 64 58 56 56 58 60 59 60 PWind dir SE S S W NW N NE SE Wind char GN GN GN GN GN GN LT LT Avg clouds B1 B2 B2 B1 B1 B1 B2 B1 SC FW CL FW FW FW FW SC PoP 12hr 40 50 40 60 30 5 0 5 Rain shwrs S C C C C S C L C Tstms S C C C C S S C C $$ MDZ013-262000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 737 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 98 71 90 68 86 Temp 81 90 94 94 86 77 74 73 73 80 86 88 84 77 72 69 71 78 83 84 80 Dewpt 67 69 69 69 72 71 71 69 70 68 65 62 63 63 61 58 57 58 59 61 63 RH 63 50 44 44 63 82 90 87 90 67 50 42 49 62 68 68 61 50 44 46 56 Wind dir SW W W SW SW W W W NW N NW NW N N N NE NE E E SE SE Wind spd 6 6 8 9 6 8 5 5 5 5 5 5 4 3 5 8 8 8 8 9 10 Clouds SC SC B1 B1 B2 B2 OV OV B2 B1 FW FW FW FW SC FW FW FW SC SC B1 PoP 12hr 50 80 10 0 0 QPF 12hr 0.33 0.20 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L D L C S Tstms C C L C C Heat index 83 95 99 99 92 83 88 88 85 83 84 81 Max heat 83 99 102 86 88 89 83 83 84 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 89 77 93 65 83 64 85 Temp 73 76 89 87 79 80 93 85 71 67 82 79 68 69 84 80 Dewpt 68 72 75 75 75 76 76 73 63 59 57 56 58 60 59 60 PWind dir SE S S W NW N NE SE Wind char LT GN LT LT LT LT LT LT Avg clouds B1 B2 B2 B2 B2 B2 B2 B1 SC FW CL FW FW FW FW SC PoP 12hr 40 50 40 60 30 5 0 0 Rain shwrs S C C C C C C L C Tstms S C C C C C S C C $$ MDZ011-262000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 737 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 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 92 72 89 Temp 82 92 96 96 88 81 79 77 76 83 88 90 86 82 77 73 73 81 84 87 81 Dewpt 66 67 67 66 69 70 70 69 67 65 63 60 60 62 60 57 54 55 57 59 61 RH 58 44 39 38 54 69 74 76 74 55 43 37 42 51 56 57 51 41 40 39 51 Wind dir SW W W S SW W W W NW N NW NW N N N NE NE E SE SE SE Wind spd 5 6 6 8 5 6 5 4 5 5 5 5 4 3 6 8 6 8 8 9 10 Clouds FW SC B1 SC B2 B2 OV OV B2 SC SC FW FW FW FW FW FW FW SC SC SC PoP 12hr 50 80 10 0 0 QPF 12hr 0.17 0.13 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L D L C S Tstms C C L C C Heat index 84 96100100 92 85 85 89 90 86 83 81 82 Max heat 84 100 101 89 89 90 85 83 86 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 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 92 81 95 70 86 69 88 Temp 76 76 89 89 84 82 95 90 78 70 84 81 72 71 86 83 Dewpt 67 69 73 73 75 74 73 70 62 57 55 55 57 58 58 59 PWind dir SE S S W NW N NE SE Wind char LT GN LT LT LT LT LT LT Avg clouds B1 B2 B2 B2 B2 B1 B2 B1 SC FW CL FW FW FW FW SC PoP 12hr 40 60 40 60 30 5 0 0 Rain shwrs S C C L C C C L C Tstms C C C C C S C C $$ WVZ052-262000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 737 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 66 86 59 84 Temp 75 85 90 89 81 73 70 68 71 77 83 84 80 70 64 61 66 74 80 82 79 Dewpt 64 67 66 64 66 67 67 66 65 63 60 58 59 59 58 56 55 56 58 59 61 RH 69 55 45 44 60 81 90 93 81 62 46 41 49 68 81 84 68 53 47 46 54 Wind dir SW W W SW SW NW W NW NW NW NW NW N N N N NE E SE SE SE Wind spd 4 6 8 8 8 4 5 4 5 6 6 8 5 4 4 4 4 6 8 9 9 Clouds SC SC B1 B1 B2 OV OV B2 B1 FW FW FW FW FW FW FW SC SC SC SC B1 PoP 12hr 60 80 5 0 5 QPF 12hr 0.01 0.06 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D D L S S Tstms C C L S C S Heat index 88 93 90 83 83 84 81 81 82 Max heat 93 92 83 84 81 82 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 86 73 89 60 80 58 84 Temp 70 73 83 84 77 79 89 83 66 66 78 75 61 66 82 80 Dewpt 65 68 72 70 72 72 70 64 59 55 53 54 54 55 57 58 PWind dir SE S SW W NW N NE SE Wind char GN GN LT GN GN LT LT LT Avg clouds B1 B2 B2 B2 B1 B1 B1 SC FW FW FW FW FW FW FW SC PoP 12hr 50 60 50 40 10 5 0 5 Rain shwrs S C C L C C C C Tstms S C C C C C S C $$ VAZ506-262000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 737 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 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 70 88 65 87 Temp 80 90 94 92 84 76 73 71 73 80 85 87 83 74 70 67 71 79 83 86 82 Dewpt 68 70 69 69 70 70 71 70 70 68 65 63 63 63 62 59 58 60 62 64 64 RH 67 52 44 47 63 82 93 97 90 67 51 45 51 69 76 75 63 52 49 48 55 Wind dir SW W W SW SW NW NW NW NW N NW NW N N N NE NE E SE SE SE Wind spd 5 5 6 8 6 6 5 3 5 6 5 5 4 3 4 6 6 6 6 9 9 Clouds SC SC SC B1 B1 OV OV B2 B1 SC SC FW FW FW FW FW FW FW SC SC B1 PoP 12hr 50 80 10 0 5 QPF 12hr 0.01 0.26 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D L S C Tstms C C L C C S Heat index 83 96 99 97 88 83 87 88 84 84 87 83 Max heat 83 99 99 85 87 88 81 84 87 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 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 76 92 64 82 61 86 Temp 73 74 85 87 78 79 92 84 70 66 80 78 64 67 84 81 Dewpt 68 72 76 75 75 76 76 71 62 58 58 57 56 59 60 61 PWind dir SE S S W NW N NE SE Wind char LT GN LT LT LT LT LT LT Avg clouds B1 B2 B2 B2 B1 B1 B1 B1 FW FW CL FW FW FW FW SC PoP 12hr 50 50 40 60 30 5 5 5 Rain shwrs C C C C C S C L C Tstms S C C C C S S C C $$ VAZ037-262000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 737 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 99 72 90 68 89 Temp 78 90 96 94 85 79 75 73 74 81 86 87 83 77 73 70 71 81 86 87 83 Dewpt 64 66 65 66 67 67 68 68 68 67 65 64 64 64 63 61 61 62 63 65 65 RH 62 45 36 40 55 67 79 84 82 63 50 46 53 64 71 73 71 53 46 48 55 Wind dir SW SW SW SW SW S SW SE N N E NE E NE N N NE E E SE SE Wind spd 4 5 6 8 6 4 4 2 2 3 3 3 3 3 3 5 6 5 6 6 6 Clouds FW FW SC SC B1 B1 B2 OV B2 B2 SC FW FW SC SC SC SC SC B1 SC B2 PoP 12hr 50 70 30 5 10 QPF 12hr 0.21 0.31 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C S C C C C C Tstms C C L C C S C C C Heat index 93 99 97 88 83 88 88 84 82 87 89 85 Max heat 99 99 86 88 89 83 87 89 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 91 76 95 67 86 63 88 Temp 75 74 90 88 78 78 94 86 73 68 85 81 67 67 86 83 Dewpt 67 70 74 72 72 74 72 69 63 58 55 56 55 57 58 60 PWind dir SE S SW SW NW N N SE Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B1 B1 B1 B1 SC FW FW CL CL FW FW FW FW PoP 12hr 50 50 30 60 30 5 5 5 Rain shwrs C C C C C S C L C Tstms C C C C C S S C C $$ MDZ003-262000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 737 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 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 86 61 85 Temp 77 85 91 91 82 74 72 69 71 78 83 85 81 71 66 62 67 76 81 84 81 Dewpt 66 70 69 67 68 69 69 67 67 65 62 60 60 60 58 56 56 56 59 60 61 RH 69 61 49 45 63 84 90 93 87 64 49 43 49 68 75 81 68 50 47 44 51 Wind dir SW W W SW SW NW NW W NW NW NW NW N N N NE NE E SE SE SE Wind spd 4 6 6 9 8 6 5 4 4 6 8 8 5 5 5 5 5 6 6 9 9 Clouds SC SC B1 B1 B2 OV B2 B2 B1 FW FW FW FW FW FW FW FW SC SC SC B1 PoP 12hr 70 80 5 0 0 QPF 12hr 0.01 0.12 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D D C S S Tstms C L L S C Heat index 90 96 94 85 84 85 82 81 84 82 Max heat 96 97 84 85 81 84 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 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 69 87 74 89 60 80 59 85 Temp 72 71 81 86 77 78 88 83 66 65 78 77 62 65 83 79 Dewpt 65 69 74 73 75 75 73 66 59 56 53 55 54 56 58 60 PWind dir SE S S W NW N NE SE Wind char GN GN LT LT LT LT LT LT Avg clouds B1 B2 B2 B2 B1 B1 B1 SC FW FW FW FW FW FW FW SC PoP 12hr 40 60 50 40 10 0 0 5 Rain shwrs S C C L C C C C Tstms S C C C C C S C $$ MDZ017-262000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 737 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 96 73 88 71 87 Temp 82 90 94 93 85 80 75 73 77 82 85 86 83 78 75 73 76 83 86 85 80 Dewpt 71 71 71 72 74 72 70 69 71 70 68 67 68 68 67 64 64 63 65 65 67 RH 69 54 47 51 70 77 84 87 82 67 57 53 61 71 76 73 66 51 50 51 65 Wind dir SW SW S S S S SW N N N N NE SE NE N NE NE E E SE SE Wind spd 10 8 9 11 10 10 9 6 5 6 6 5 4 4 6 9 11 11 10 12 11 Clouds SC FW SC SC B1 B2 B2 OV B2 B2 B1 FW FW FW FW FW FW FW SC SC SC PoP 12hr 40 70 20 5 5 QPF 12hr 0.22 0.82 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L L C S S S S Tstms S C C C C S S S S Heat index 86 96101101 93 84 86 88 89 86 84 88 87 82 Max heat 86 101 102 89 88 89 84 88 88 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 91 78 94 69 83 68 85 Temp 76 80 90 84 80 82 94 85 74 72 80 78 69 74 84 80 Dewpt 70 73 75 75 75 76 76 76 68 62 59 59 60 63 59 62 PWind dir SE S S SW NW N NE SE Wind char GN GN GN GN GN GN LT LT Avg clouds SC B1 B2 B1 B1 B1 B1 B2 B1 FW FW FW FW FW FW SC PoP 12hr 30 40 20 70 50 10 5 5 Rain shwrs C C C S S C L C S Tstms C S C S S S C C S $$ WVZ502-262000- Petersburg WV 38.99N 79.15W Elev. 963 ft 737 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 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 87 58 87 Temp 73 86 91 90 79 71 68 66 68 78 84 86 78 67 62 59 64 76 84 85 80 Dewpt 65 67 66 65 67 67 66 66 66 64 61 60 61 61 60 58 59 61 62 64 65 RH 76 53 44 44 67 87 93100 93 62 46 42 56 81 93 96 84 60 48 50 60 Wind dir SE W W W SW S SE N N N NW NW N N N NE E SE SE SE SE Wind spd 3 4 6 6 4 3 2 2 2 2 3 5 4 2 2 2 2 3 5 8 5 Clouds SC SC SC B1 B2 OV OV B2 B1 SC FW FW FW FW SC SC SC SC B1 SC B1 PoP 12hr 60 90 10 0 10 QPF 12hr 0.01 0.19 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D D C S C Tstms C C L C C S Heat index 89 94 92 84 86 85 86 82 Max heat 94 94 84 86 85 86 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 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 67 89 70 89 57 81 55 88 Temp 70 70 87 84 72 74 89 81 63 60 78 73 58 62 86 80 Dewpt 68 69 74 73 72 72 71 66 61 55 54 56 54 55 60 63 PWind dir S S SW W NW N SE S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B2 B1 B1 B1 B1 SC FW FW FW CL FW FW SC SC PoP 12hr 40 70 60 60 10 5 5 5 Rain shwrs C C C L L C C L Tstms S C C C C C S C $$ MDZ014-262000- Annapolis MD 38.99N 76.49W Elev. 7 ft 737 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 94 73 88 71 85 Temp 81 88 91 91 84 79 76 74 76 80 83 86 83 79 76 73 74 78 81 83 79 Dewpt 68 71 71 71 73 72 71 70 69 69 68 65 67 67 65 61 59 61 62 63 66 RH 65 57 52 52 70 79 85 87 79 69 61 50 59 67 69 66 59 56 53 51 64 Wind dir SW SW S S S SW W NW NW N NW SW SE N N NE NE E E SE SE Wind spd 8 6 9 10 8 6 6 5 5 6 5 5 4 5 6 11 11 10 9 10 11 Clouds FW FW SC SC B1 B2 OV B2 B2 B1 SC FW FW FW FW FW FW FW SC FW B1 PoP 12hr 50 80 20 0 0 QPF 12hr 0.08 0.37 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L D L C S S Tstms C C L C C S S Heat index 84 94 98 98 90 83 86 88 86 82 84 Max heat 84 98 99 85 86 88 85 82 84 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 87 80 92 70 83 69 83 Temp 75 77 86 86 81 83 92 86 76 70 80 80 72 71 82 79 Dewpt 69 72 76 75 76 75 76 74 66 60 60 59 61 61 62 63 PWind dir SE S S SW NW N NE SE Wind char GN GN GN GN GN GN LT LT Avg clouds B1 B2 B2 B1 B1 B1 B2 B1 SC FW CL FW FW FW FW SC PoP 12hr 40 50 40 60 40 5 0 0 Rain shwrs C C C C C C L C Tstms C C C C C S C C $$