Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
718 FOUS51 KLWX 071741 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 141 PM EDT Tue May 7 2024 VAZ054-072000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 141 PM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 80 67 89 67 81 Temp 77 78 75 71 69 68 71 80 87 87 80 75 71 68 70 73 76 76 75 Dewpt 66 66 64 65 64 65 66 66 62 59 59 60 60 60 62 64 63 63 62 RH 69 67 69 81 84 90 84 62 43 39 49 60 68 76 76 73 64 64 64 Wind dir SE SE S S S S SW W W W W W SW S SW S SW SW W Wind spd 5 8 8 6 5 5 5 10 11 13 8 5 4 2 5 8 10 11 9 Clouds B2 B1 SC SC B1 B2 B2 SC SC SC FW SC B1 B2 OV OV B2 B2 B1 PoP 12hr 40 30 20 50 90 QPF 12hr 0.02 0.01 0 0.05 0.35 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C S S S S C C L L D D C Tstms C C S C S S S S S C C C Heat index 82 87 81 Max heat 87 87 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 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 61 71 53 70 53 70 53 76 Temp 65 64 70 64 56 56 67 63 56 57 68 65 57 59 74 70 Dewpt 57 54 50 46 45 45 41 44 47 47 44 44 45 48 48 50 PWind dir W NW NW W SW W W SW Wind char LT BZ GN GN LT GN LT GN Avg clouds SC B1 B1 B1 SC FW SC B1 B1 SC SC SC FW FW FW SC PoP 12hr 40 40 30 20 40 50 20 20 Rain shwrs C C C C S C C C C S S Tstms C S S S S S S $$ MDZ013-072000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 141 PM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 64 88 63 77 Temp 75 77 73 68 66 65 67 78 85 86 79 71 68 65 67 71 73 72 72 Dewpt 64 64 64 65 64 64 66 67 62 58 59 59 58 58 61 61 62 63 63 RH 69 64 73 90 93 97 97 69 46 39 50 66 70 78 81 71 68 73 73 Wind dir E SE S S S S SW W W W W W W W S S S SW SW Wind spd 5 5 4 4 4 4 4 6 10 10 5 2 3 2 4 8 9 8 9 Clouds B1 SC SC SC B2 OV B2 SC SC FW FW SC B1 B1 B2 B2 B2 B2 B1 PoP 12hr 30 40 10 40 90 QPF 12hr 0.03 0.01 0 0.05 0.34 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C C C C L L D D C Tstms S S S C C C C C Heat index 86 Max heat 86 87 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 57 69 49 68 51 69 51 75 Temp 62 60 66 62 54 54 65 62 54 55 66 63 55 57 73 69 Dewpt 58 55 50 48 46 46 43 46 47 48 46 46 47 49 49 51 PWind dir W NW NW W SW W W SW Wind char LT BZ GN GN GN GN GN GN Avg clouds B1 B1 B1 B1 SC SC SC B1 B1 SC SC SC FW FW SC SC PoP 12hr 50 40 30 20 40 50 20 20 Rain shwrs C S C C C S S S C C C C S S S Tstms C S S S S S S $$ MDZ011-072000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 141 PM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 81 70 92 69 82 Temp 79 81 76 75 71 70 73 83 90 90 82 78 72 71 73 76 78 78 74 Dewpt 63 63 63 64 64 64 64 64 60 57 57 58 57 57 59 59 61 61 61 RH 58 54 64 69 79 81 73 53 37 33 43 50 59 61 62 56 56 56 64 Wind dir SE SE SE S SE S SW W W W W W W NW S S S SW SW Wind spd 5 6 4 4 4 4 5 6 10 10 4 3 3 3 4 6 9 8 8 Clouds B1 SC SC B1 B2 OV B2 SC FW FW FW SC B1 B1 B2 OV B2 B2 B1 PoP 12hr 30 40 10 40 90 QPF 12hr 0.02 0.01 0 0.06 0.34 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C C C C L L D D C Tstms S S S S C C C C C Heat index 82 84 90 82 Max heat 82 90 90 82 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 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 63 74 55 73 57 74 57 79 Temp 66 66 71 64 59 60 70 64 59 61 71 66 60 63 77 70 Dewpt 57 53 48 47 45 45 41 44 47 47 45 45 45 47 48 50 PWind dir W NW NW W W W W SW Wind char LT GN GN GN GN GN GN GN Avg clouds B1 B1 B1 SC SC SC SC B1 B1 SC SC SC FW FW SC SC PoP 12hr 50 50 30 30 40 50 20 20 Rain shwrs C S C C C S S C C C C C S S S Tstms C S S S S S S $$ WVZ052-072000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 141 PM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 62 85 59 77 Temp 76 78 73 67 65 64 68 77 82 83 77 67 64 61 63 66 71 72 70 Dewpt 63 63 63 63 62 61 64 62 56 53 54 54 54 55 58 59 60 60 58 RH 64 60 71 87 90 90 87 60 41 36 45 63 70 81 84 78 68 66 66 Wind dir SE SE SE S S SW SW W W W W W SW W S S SW W W Wind spd 4 5 4 5 5 5 5 11 11 11 5 3 3 2 4 6 10 11 11 Clouds B1 B1 B1 B1 B1 B2 B1 SC FW FW FW SC B1 B1 OV OV B2 B2 B1 PoP 12hr 40 50 10 50 90 QPF 12hr 0.03 0.03 0 0.19 0.34 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C C C C D D D D C Tstms C C S C C S S S S C C C Heat index 82 Max heat 82 82 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 65 45 65 46 66 45 73 Temp 60 58 63 59 50 51 62 59 50 51 63 62 51 53 70 68 Dewpt 53 51 46 43 41 42 40 43 44 45 42 43 43 45 47 48 PWind dir W NW NW W W NW W SW Wind char GN BZ GN GN LT GN LT GN Avg clouds B1 B1 B1 B1 SC SC SC B1 SC SC SC SC FW FW SC SC PoP 12hr 40 50 30 40 40 60 20 30 Rain shwrs C S C C C S S C C C C L S S S C Tstms C S S S S S S S S $$ VAZ506-072000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 141 PM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 80 65 88 62 79 Temp 77 79 74 70 68 67 70 80 85 87 79 71 67 65 66 71 74 74 73 Dewpt 65 65 65 65 65 66 67 67 61 58 59 59 59 60 62 64 63 63 63 RH 67 62 74 84 90 97 90 65 45 38 50 66 75 84 87 79 69 69 71 Wind dir E SE SE S S S SW W W W W N SW N S S SW SW W Wind spd 3 4 4 4 4 4 4 9 10 8 5 0 2 0 3 8 10 9 8 Clouds B1 B1 SC SC B1 B2 B1 SC SC FW FW B1 B1 B2 OV OV B2 B2 SC PoP 12hr 30 40 20 50 90 QPF 12hr 0.03 0.01 0 0.08 0.27 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S C C S S S S C C L L D D C Tstms C C S S C S S S S S S S C C C Heat index 82 85 Max heat 85 86 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 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 58 69 49 67 49 69 49 75 Temp 63 61 67 62 54 53 65 62 53 54 66 63 54 56 73 70 Dewpt 57 55 51 47 45 45 43 47 47 47 45 46 46 48 49 51 PWind dir W NW NW W SW NW W SW Wind char LT BZ GN GN LT GN GN GN Avg clouds SC B1 B1 B1 SC FW SC B1 SC SC SC SC FW FW FW SC PoP 12hr 40 50 30 30 40 50 20 20 Rain shwrs C S C C C C C C C C S S Tstms C S S S S S S S S $$ VAZ037-072000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 141 PM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 67 91 66 84 Temp 78 80 77 72 69 68 72 83 88 89 82 74 69 68 70 73 78 81 76 Dewpt 63 65 63 63 62 61 63 63 60 57 57 57 58 57 61 63 63 61 60 RH 60 60 62 73 78 78 73 51 39 34 43 55 68 68 73 71 60 51 58 Wind dir S S SE NW SW SW SW W W W SW W W W SW SW SW SW W Wind spd 5 5 4 2 2 5 5 8 8 6 5 2 4 3 6 6 12 13 13 Clouds B1 SC B1 B1 B1 B1 B1 SC SC SC SC B1 B2 B1 B2 B2 B2 B1 SC PoP 12hr 40 20 20 60 80 QPF 12hr 0.10 0.01 0 0.13 0.24 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S S S C C L L D D D D S Tstms C C S S S C S S C S S C C S Heat index 82 84 88 82 82 Max heat 84 88 88 82 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 74 50 70 50 72 50 78 Temp 65 65 71 64 54 56 67 62 54 56 69 65 55 58 76 70 Dewpt 54 52 47 41 41 42 39 42 43 44 41 42 43 44 45 48 PWind dir W W NW W W W W SW Wind char LT BZ LT GN LT GN LT GN Avg clouds SC SC B1 SC FW FW SC SC SC SC SC SC FW FW FW FW PoP 12hr 20 40 20 30 30 40 10 20 Rain shwrs S C C S C C S C C S Tstms S S S S S S $$ MDZ003-072000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 141 PM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 79 64 85 59 75 Temp 76 78 73 67 66 65 68 77 82 83 75 68 64 62 64 66 69 70 69 Dewpt 63 64 64 64 64 64 66 65 57 55 57 55 54 55 58 60 61 60 59 RH 64 62 73 90 93 97 93 67 43 38 54 63 70 78 81 81 76 71 70 Wind dir SE S S S S S SW W W W NW W SW NE E S SW SW W Wind spd 4 5 5 6 6 6 6 12 12 11 6 4 3 2 3 6 10 10 13 Clouds B2 B1 B1 B1 B1 B2 B1 SC FW CL FW SC B1 B2 OV OV B2 B2 B1 PoP 12hr 40 60 10 50 90 QPF 12hr 0.04 0.03 0 0.15 0.40 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C L L C C D D D D C Tstms C C S C C S S S S C C C Heat index 82 Max heat 82 82 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 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 56 64 46 66 47 66 47 73 Temp 59 58 62 59 50 51 63 58 51 52 63 61 51 54 70 67 Dewpt 54 52 48 46 44 43 42 45 46 47 45 45 45 47 50 51 PWind dir W NW NW W SW W W SW Wind char GN BZ GN GN GN GN LT GN Avg clouds B1 B1 B1 B1 SC FW SC B1 B1 SC SC SC FW FW SC SC PoP 12hr 40 50 30 40 40 60 20 30 Rain shwrs C C C C C S S C C C C L S S S C Tstms C S S S S S S S S $$ MDZ017-072000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 141 PM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 64 87 64 79 Temp 75 75 69 66 66 65 69 78 83 82 73 70 68 66 68 73 75 75 70 Dewpt 66 66 63 63 63 63 64 66 65 63 65 64 62 62 63 64 64 63 63 RH 74 74 81 90 90 93 84 67 55 53 76 81 81 87 84 73 69 66 78 Wind dir SE SE SE S S S SW W W W S SW SW S S S SW SW SW Wind spd 6 8 5 5 5 5 5 6 6 8 5 4 5 5 6 9 11 10 11 Clouds B1 SC SC B1 B1 B1 B1 SC SC SC SC B1 SC B1 B1 B2 B2 B2 B1 PoP 12hr 30 20 30 40 90 QPF 12hr 0.06 0 0.03 0.03 0.43 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C C C C C C L L D D C Tstms C S S S S S C S S S S C C C Heat index 85 83 Max heat 85 85 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 73 53 70 54 71 54 76 Temp 64 63 69 63 57 57 67 62 58 58 69 63 58 59 73 68 Dewpt 59 56 53 52 48 47 44 48 49 49 48 49 48 50 50 53 PWind dir W NW NW W SW W W SW Wind char GN GN GN GN GN GN GN GN Avg clouds B1 B1 B1 B1 SC SC SC SC SC SC SC SC FW FW FW FW PoP 12hr 40 40 30 20 30 40 20 10 Rain shwrs C C C C S S C C C C S Tstms C S S S S S S $$ WVZ502-072000- Petersburg WV 38.99N 79.15W Elev. 963 ft 141 PM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 82 63 85 59 80 Temp 77 82 75 68 66 66 67 76 82 84 77 68 64 62 62 68 74 75 71 Dewpt 63 63 63 62 61 62 63 61 56 55 57 56 56 57 59 63 63 62 58 RH 62 53 66 81 84 87 87 60 41 37 50 65 75 84 90 84 69 64 63 Wind dir W W E E E SE E W W W W SW SW S SW SW W W W Wind spd 4 5 5 3 5 6 9 10 10 10 5 2 3 3 5 8 12 14 13 Clouds B1 B1 B1 B1 B1 B2 B1 SC FW FW FW B1 B2 B1 OV B2 B2 B1 SC PoP 12hr 40 50 20 70 90 QPF 12hr 0.02 0.04 0 0.26 0.28 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C C C S S S S L L D D D D C Tstms C S S C C S S S S S S S C C C Heat index 83 82 Max heat 83 82 83 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 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 54 64 44 66 45 66 45 76 Temp 60 56 61 58 49 48 62 57 50 50 64 61 51 53 73 68 Dewpt 53 49 47 44 42 42 41 45 45 45 44 46 45 46 48 51 PWind dir W W W W W W W W Wind char GN GN GN GN GN BZ GN GN Avg clouds SC B1 B1 SC SC SC SC B1 B1 SC SC SC SC FW FW SC PoP 12hr 40 60 20 50 40 60 20 30 Rain shwrs C S C L S S C C S C L S S C Tstms C S S S S S S S S $$ MDZ014-072000- Annapolis MD 38.99N 76.49W Elev. 7 ft 141 PM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 65 84 65 77 Temp 74 76 71 68 66 67 69 75 81 83 77 72 69 67 69 70 72 72 70 Dewpt 65 65 64 65 64 64 65 66 65 61 61 61 61 60 62 63 64 63 63 RH 74 69 79 90 93 90 87 74 58 47 58 68 76 78 78 78 76 73 78 Wind dir E SE S S S S SW W W W W W SW S S S S SW SW Wind spd 5 6 5 5 5 5 5 6 9 9 5 3 4 3 4 6 8 8 9 Clouds B1 SC SC B1 B2 B2 B2 B1 SC FW FW SC B1 B1 B2 B2 B2 B2 B1 PoP 12hr 30 30 20 40 90 QPF 12hr 0.01 0.01 0.02 0.04 0.46 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C S S C C L L D D C Tstms S S S S S S C C C Heat index 83 83 Max heat 83 83 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 69 53 68 54 69 54 73 Temp 63 63 65 63 56 57 64 62 57 58 66 64 58 59 70 68 Dewpt 58 55 52 49 47 46 45 47 49 49 48 48 48 49 51 52 PWind dir NW NW NW W SW W W SW Wind char GN GN GN GN GN GN GN GN Avg clouds B1 B1 B1 B1 SC FW SC B1 B1 SC SC SC FW FW FW FW PoP 12hr 50 40 30 20 40 50 20 20 Rain shwrs C C C C S S S C C C C S S Tstms C S S S S S $$