Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
847 FOUS51 KLWX 030838 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 438 AM EDT Wed Sep 3 2025 VAZ054-032000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 438 AM EDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 64 86 67 89 Temp 61 60 72 79 80 73 69 66 65 66 78 85 84 73 71 70 68 68 78 85 87 82 Dewpt 56 56 56 52 52 54 56 58 58 59 60 59 59 63 65 65 64 65 66 64 63 63 RH 84 87 57 39 38 51 63 75 78 78 54 41 43 71 81 84 87 90 67 50 45 53 Wind dir W NE SE SE S SE S S S S S S S SW S S S SW SW SW SW S Wind spd 1 1 2 5 6 9 8 8 8 9 11 13 14 10 8 6 6 5 9 12 13 10 Clouds SC SC B1 SC SC FW FW FW SC FW FW B1 B1 B2 B1 SC SC SC FW FW FW FW PoP 12hr 0 0 30 30 0 QPF 12hr 0 0 0 0.08 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms C C Heat index 80 85 84 86 88 83 Max heat 81 85 85 86 88 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 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 88 64 78 59 76 59 77 Temp 76 74 85 74 68 64 75 69 63 61 73 69 62 60 75 70 Dewpt 66 65 63 64 61 54 48 48 49 49 48 49 52 54 52 54 PWind dir S W NW NW N NE NE E Wind char GN GN GN GN LT LT LT GN Avg clouds FW FW SC B2 B2 B2 SC SC SC SC FW SC FW SC SC B1 PoP 12hr 5 50 40 20 5 0 5 10 Rain shwrs S C C S S S Tstms C S $$ MDZ013-032000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 438 AM EDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 61 86 64 88 Temp 56 58 73 78 78 71 66 63 62 63 78 85 83 71 68 66 65 66 77 84 86 79 Dewpt 55 58 60 57 56 57 59 59 60 61 62 62 64 67 66 65 64 66 68 67 66 68 RH 96100 64 48 47 61 78 87 93 93 58 46 53 87 93 97 97100 74 57 51 69 Wind dir NW NW E SE SE SE S S S S S S S S S S S SW S SW S S Wind spd 1 1 2 4 5 4 4 4 4 5 10 11 12 6 4 3 3 3 5 9 10 5 Clouds FW SC SC SC SC FW FW FW SC FW FW B1 B1 B2 B2 SC SC FW FW FW FW FW PoP 12hr 0 0 30 40 0 QPF 12hr 0 0 0.02 0.16 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms S C S Heat index 86 84 87 88 Max heat 80 86 86 87 89 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 86 60 76 56 76 57 76 Temp 72 72 84 70 65 61 73 67 59 58 73 67 59 59 74 68 Dewpt 67 67 67 68 61 55 50 52 49 51 50 52 53 55 55 57 PWind dir S W NW NW N NE NE E Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC B2 B2 B2 SC SC FW SC FW FW FW SC SC SC PoP 12hr 5 50 40 10 5 0 5 10 Rain shwrs S C C S Tstms S $$ MDZ011-032000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 438 AM EDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 88 68 90 Temp 63 62 76 80 81 75 72 70 68 67 81 86 85 76 73 72 70 69 80 86 88 83 Dewpt 56 56 56 54 52 52 56 58 58 58 58 59 60 63 64 64 64 64 63 64 63 63 RH 78 81 50 41 37 45 57 66 70 73 46 40 43 64 73 76 81 84 56 48 43 51 Wind dir N NW SE SE SE SE SE S S S S S S S S S S SW S S S S Wind spd 2 1 2 5 5 5 4 4 4 6 10 13 13 8 4 3 2 2 5 10 10 6 Clouds FW SC SC SC SC FW FW FW SC FW FW B1 B1 B2 B2 SC SC FW FW FW SC FW PoP 12hr 0 0 30 40 0 QPF 12hr 0 0 0.03 0.20 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms S C S Heat index 80 81 85 81 87 89 84 Max heat 80 82 85 86 87 89 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 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 88 63 79 59 78 60 79 Temp 78 74 84 75 70 63 76 71 65 60 75 72 65 61 76 73 Dewpt 65 65 64 63 58 52 47 47 48 48 47 47 51 52 52 53 PWind dir S W NW NW N NE NE E Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC B2 B2 B2 SC SC FW FW FW SC FW SC SC B1 PoP 12hr 5 50 40 10 5 0 5 5 Rain shwrs S C C S Tstms S $$ WVZ052-032000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 438 AM EDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 56 84 59 87 Temp 50 52 70 80 80 72 65 62 58 60 78 83 77 68 66 63 61 62 75 84 85 77 Dewpt 50 51 53 50 50 52 54 55 55 56 58 58 61 62 63 62 61 61 63 61 60 60 RH 100 96 55 35 35 49 68 78 90 87 50 43 58 81 90 97100 97 66 46 43 56 Wind dir N N S S S S S S S S S S SW SW S S S S SW SW SW SW Wind spd 0 0 2 4 5 5 5 5 4 5 9 10 10 4 2 2 2 2 5 9 10 5 Clouds FW SC SC SC FW FW SC FW FW CL FW B2 B2 B2 B1 SC SC FW FW FW FW FW PoP 12hr 5 5 70 30 5 QPF 12hr 0 0 0.09 0.09 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C C Tstms S C S Heat index 80 80 83 84 85 Max heat 80 80 83 82 84 86 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 80 53 75 47 75 50 75 Temp 67 66 76 69 60 57 72 64 53 52 72 65 55 53 72 67 Dewpt 62 62 62 59 53 51 45 45 45 46 46 47 48 49 51 52 PWind dir SW W NW NW NW SE NE SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC B1 B2 B1 B1 FW FW FW FW FW FW FW SC SC B1 PoP 12hr 10 50 30 10 5 0 5 5 Rain shwrs C C S C Tstms S C $$ VAZ506-032000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 438 AM EDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 61 86 62 89 Temp 56 55 72 80 80 73 67 64 62 63 78 85 81 71 67 66 64 65 76 84 86 80 Dewpt 54 55 59 57 56 58 58 58 58 59 63 63 64 66 66 65 64 65 68 67 65 66 RH 93100 64 45 44 59 73 81 87 87 60 48 56 84 97 97100100 76 57 50 62 Wind dir N NW S S S S S S S S S S S SW S S S S S SW SW S Wind spd 1 1 2 4 5 5 5 5 5 6 10 13 12 6 4 3 3 2 5 10 10 6 Clouds SC SC SC SC SC FW FW FW FW FW FW B1 B1 B2 B1 SC SC SC FW FW FW FW PoP 12hr 5 0 50 30 5 QPF 12hr 0 0 0.02 0.09 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms C S Heat index 80 80 86 83 87 88 82 Max heat 80 82 86 86 87 88 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 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 58 75 53 75 54 76 Temp 72 69 83 69 63 59 72 66 57 55 72 65 56 56 74 68 Dewpt 65 66 68 68 60 55 52 51 49 49 52 52 51 53 56 57 PWind dir SW W NW NW N N NE E Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC B2 B2 B1 SC FW FW SC FW FW FW SC SC SC PoP 12hr 5 50 30 10 5 0 5 10 Rain shwrs S C C C Tstms C $$ VAZ037-032000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 438 AM EDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 57 83 61 87 Temp 52 54 70 78 78 70 65 62 59 60 75 82 77 70 66 64 63 63 76 84 84 78 Dewpt 51 53 54 53 54 55 57 57 57 57 60 60 61 63 63 62 61 63 63 63 63 63 RH 96 96 57 42 43 59 75 84 93 90 60 47 58 78 90 93 93100 64 49 49 60 Wind dir NW NW S S S S S S S S S S SW SW S SW SW SW SW SW SW S Wind spd 1 1 2 5 5 3 2 2 2 4 8 11 10 5 4 3 2 2 6 10 10 5 Clouds SC B1 SC SC SC SC SC FW FW CL FW B1 B1 B2 SC SC SC FW FW FW FW FW PoP 12hr 10 5 40 20 0 QPF 12hr 0 0 0.06 0.04 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S Tstms S C S Heat index 82 85 85 Max heat 80 82 82 85 86 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 85 59 77 52 74 53 74 Temp 69 68 83 73 65 60 74 66 57 55 72 64 56 55 72 66 Dewpt 63 64 64 65 61 57 50 51 49 49 50 51 51 51 52 54 PWind dir SW SW NW N N NE N NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC B1 B2 B2 SC SC SC SC SC SC SC SC SC B1 PoP 12hr 5 40 30 20 10 5 5 10 Rain shwrs C C C S S Tstms C S $$ MDZ003-032000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 438 AM EDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 59 85 60 87 Temp 56 54 70 79 80 72 65 64 60 61 77 84 76 68 65 64 62 62 74 82 85 77 Dewpt 51 53 57 55 52 54 56 56 56 57 61 61 64 65 64 63 61 62 66 65 62 63 RH 83 96 63 44 38 53 73 75 87 87 58 46 66 90 97 97 97100 76 56 46 62 Wind dir E SW S S S SE S S S S S S SW S S S S S SW SW SW SW Wind spd 1 1 3 5 5 5 5 5 5 5 10 12 10 5 4 2 2 2 5 10 10 5 Clouds FW FW FW SC FW FW FW FW FW CL FW B2 B2 B2 B1 SC SC SC FW FW FW FW PoP 12hr 0 5 70 40 5 QPF 12hr 0 0 0.31 0.13 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C C Tstms S C S Heat index 80 84 84 86 Max heat 80 84 84 84 86 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 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 81 53 75 49 76 51 76 Temp 67 67 76 68 59 56 72 64 53 52 72 65 55 54 72 67 Dewpt 63 63 65 61 54 52 47 47 46 46 48 49 48 49 53 54 PWind dir SW W NW NW N E E SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC B1 B2 B1 B1 FW FW FW FW FW FW FW SC SC SC PoP 12hr 10 60 30 10 5 0 5 5 Rain shwrs C L C C Tstms S S $$ MDZ017-032000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 438 AM EDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 64 83 68 86 Temp 58 63 72 76 77 71 67 66 64 67 78 82 81 75 71 71 69 71 78 83 84 78 Dewpt 58 61 61 59 57 59 61 62 61 62 62 64 65 66 65 65 64 65 67 69 68 69 RH 100 93 68 56 50 66 81 87 90 84 58 55 58 74 81 81 84 81 69 63 59 74 Wind dir NW N NE E SE SE S S S S S S S S S S SW SW S S S S Wind spd 2 2 3 4 5 5 6 6 6 8 10 13 14 11 10 9 8 8 9 10 11 10 Clouds FW SC B1 SC FW FW FW FW FW FW FW FW SC B1 SC FW FW CL FW FW FW SC PoP 12hr 0 5 10 20 0 QPF 12hr 0 0 0 0.06 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Heat index 83 83 87 87 Max heat 83 84 87 88 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 86 64 76 61 75 62 76 Temp 75 75 84 74 69 67 74 69 64 64 73 67 64 66 74 69 Dewpt 68 69 69 70 66 60 55 55 54 55 53 54 57 59 58 60 PWind dir S SW NW N NE NE NE E Wind char GN GN GN GN LT GN LT GN Avg clouds FW FW SC B1 B2 B2 B1 SC SC SC FW FW SC SC SC B1 PoP 12hr 0 30 40 20 10 0 5 10 Rain shwrs C C S S S Tstms S S $$ WVZ502-032000- Petersburg WV 38.99N 79.15W Elev. 963 ft 438 AM EDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 55 83 56 88 Temp 50 51 73 81 81 70 62 58 56 57 77 81 76 68 62 60 57 59 76 84 85 75 Dewpt 49 51 56 53 56 58 58 57 55 56 61 61 62 63 62 60 57 59 63 61 60 61 RH 96100 55 38 42 66 87 96 96 96 58 51 62 84100100100100 64 46 43 62 Wind dir S SE SE S S SW S S S S SW SW SW S SW SW SW SW SW SW SW SW Wind spd 2 2 2 3 4 4 4 3 4 4 6 9 8 5 4 3 3 3 5 9 9 4 Clouds SC SC SC SC B1 SC SC FW FW SC SC B2 B2 B2 B1 SC SC SC FW FW FW SC PoP 12hr 10 10 80 30 5 QPF 12hr 0 0 0.13 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S D D C C S Tstms C C S Obvis PF PF Heat index 81 82 84 85 Max heat 80 81 82 81 84 86 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 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 80 51 75 46 76 48 76 Temp 64 62 76 68 56 52 72 62 50 48 72 64 52 50 72 65 Dewpt 60 60 64 61 53 50 47 47 45 44 48 50 49 47 53 54 PWind dir SW W NW NW W SE S SE Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 B2 B1 SC SC FW FW FW FW FW SC SC SC B1 PoP 12hr 20 50 30 10 5 0 5 5 Rain shwrs S S C C C S Tstms S S $$ MDZ014-032000- Annapolis MD 38.99N 76.49W Elev. 7 ft 438 AM EDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 64 82 67 84 Temp 62 62 70 74 77 73 68 67 66 66 76 81 80 74 70 70 68 69 76 81 83 79 Dewpt 59 60 59 57 55 57 61 62 62 62 62 64 63 65 67 67 66 66 66 68 66 68 RH 90 93 68 55 47 57 78 84 87 87 62 56 56 74 90 90 93 90 71 65 57 69 Wind dir N N E SE SE S S S S S S S S S S S SW SW S S S S Wind spd 0 1 2 5 6 5 6 6 8 8 11 13 13 10 6 5 5 5 8 10 11 9 Clouds FW SC B1 SC FW FW FW FW FW FW FW SC SC B1 B1 SC SC FW FW FW SC FW PoP 12hr 0 0 20 40 0 QPF 12hr 0 0 0 0.11 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C Tstms S C S Heat index 83 81 84 85 Max heat 83 83 84 86 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 83 63 75 60 73 60 74 Temp 75 74 81 73 69 64 72 69 63 61 71 68 64 62 72 70 Dewpt 68 67 67 66 63 57 52 52 54 53 51 52 56 57 56 57 PWind dir S SW NW N N NE NE E Wind char LT GN LT GN LT LT LT GN Avg clouds FW FW SC B1 B2 B2 SC SC FW SC FW FW FW SC SC SC PoP 12hr 5 50 40 20 10 0 5 10 Rain shwrs C C S S S Tstms S S $$