Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
897 FOUS51 KLWX 031738 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 138 PM EDT Sun Aug 3 2025 VAZ054-032000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 138 PM EDT Sun Aug 3 2025 Date Sun 08/03/25 Mon 08/04/25 Tue 08/05/25 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 65 85 69 86 Temp 80 80 76 72 68 66 69 79 83 83 79 74 71 70 72 80 84 84 79 Dewpt 56 55 58 59 59 59 60 59 57 57 58 60 61 60 61 61 60 59 61 RH 44 42 54 64 73 78 73 50 41 41 49 62 71 71 68 52 44 43 54 Wind dir NE E E E NE N N NE NE E SE S SW NW N NE E E SE Wind spd 8 8 5 3 2 2 3 5 5 6 5 3 2 2 2 4 8 9 6 Clouds FW FW SC FW FW CL CL CL FW FW FW SC B1 B1 B1 B1 B1 B2 B1 PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 80 81 84 84 Max heat 80 81 83 84 84 85 Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 83 70 80 69 81 70 83 Temp 73 73 81 77 73 73 78 76 71 72 79 76 72 72 80 77 Dewpt 63 65 63 64 67 67 65 65 66 66 65 65 68 68 68 69 PWind dir E E E E E E NE NE Wind char LT GN GN GN GN GN LT LT Avg clouds B1 B1 B2 B1 B1 B2 B1 B1 B1 B1 SC SC SC B1 B1 B1 PoP 12hr 10 30 30 40 30 20 10 20 Rain shwrs C C C C C C S S S S Tstms S S S $$ MDZ013-032000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 138 PM EDT Sun Aug 3 2025 Date Sun 08/03/25 Mon 08/04/25 Tue 08/05/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 64 87 67 87 Temp 80 81 76 70 66 64 68 81 84 84 79 72 70 68 71 82 85 84 79 Dewpt 57 57 59 59 59 59 61 61 60 60 61 61 61 61 63 63 62 62 63 RH 45 44 56 68 78 84 78 51 44 44 54 68 73 78 76 53 46 48 58 Wind dir E E E S NW NW N NE E E SE SW W NW N NE E E SE Wind spd 5 4 2 2 1 1 2 3 4 4 2 2 1 2 2 3 5 5 4 Clouds FW SC SC FW CL CL CL FW SC FW FW SC SC B1 B1 B1 B2 B1 B1 PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 81 82 84 84 83 86 85 Max heat 81 82 84 85 86 86 Coast Flood Y Y Y Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 83 69 82 68 83 68 83 Temp 73 73 82 77 71 71 80 76 70 70 80 76 70 71 80 77 Dewpt 65 66 66 66 67 68 68 66 65 66 66 66 68 69 70 70 PWind dir E E E E E E E E Wind char LT LT LT GN LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC B1 B1 B1 PoP 12hr 5 20 30 30 20 20 10 10 Rain shwrs S C C S C S S S S Tstms S S $$ MDZ011-032000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 138 PM EDT Sun Aug 3 2025 Date Sun 08/03/25 Mon 08/04/25 Tue 08/05/25 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 88 69 92 73 92 Temp 85 85 79 77 72 70 73 85 89 89 83 80 75 74 77 87 90 89 83 Dewpt 54 54 55 58 57 58 58 58 57 57 57 58 59 59 60 60 59 59 60 RH 35 35 44 52 59 66 59 40 34 34 41 47 58 59 56 40 35 37 46 Wind dir NE E E E N NW N NE NE E SE W NW NW N NE E E SE Wind spd 4 4 2 1 1 1 2 3 4 4 2 1 1 1 2 3 5 5 4 Clouds FW SC SC FW CL FW CL FW FW FW SC SC SC B1 B1 B1 B2 B1 B1 PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 87 83 Max heat 83 84 88 89 82 89 89 Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 73 87 72 88 72 88 Temp 76 78 87 79 76 76 85 78 75 75 85 78 74 76 85 79 Dewpt 63 63 63 64 66 66 65 63 65 64 64 64 66 67 67 68 PWind dir E E E E E E E E Wind char LT LT LT GN LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC B1 B1 PoP 12hr 5 20 30 30 20 20 10 10 Rain shwrs S C C S C S S S S Tstms S S $$ WVZ052-032000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 138 PM EDT Sun Aug 3 2025 Date Sun 08/03/25 Mon 08/04/25 Tue 08/05/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 56 84 60 86 Temp 80 80 73 65 60 57 62 76 82 82 76 68 64 61 66 78 83 82 77 Dewpt 54 54 56 56 56 55 57 58 57 56 59 58 58 57 59 61 59 59 61 RH 41 41 55 73 87 93 84 54 43 41 56 70 81 87 78 56 44 46 58 Wind dir NE E E NW N NW N N E E E S N N N NE E E SE Wind spd 3 2 2 1 0 1 0 2 3 3 2 1 0 0 0 2 5 5 3 Clouds FW FW FW FW CL CL FW CL FW FW SC SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 80 82 82 83 82 Max heat 80 80 82 82 83 83 Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 81 64 79 63 81 63 83 Temp 67 68 80 74 67 68 78 73 66 67 79 74 66 67 80 76 Dewpt 60 61 60 62 63 63 64 63 63 63 64 64 64 64 66 67 PWind dir E E E E E E E NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 10 30 30 30 30 20 10 10 Rain shwrs S C C C C C C S S S Tstms S S S $$ VAZ506-032000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 138 PM EDT Sun Aug 3 2025 Date Sun 08/03/25 Mon 08/04/25 Tue 08/05/25 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 59 87 64 87 Temp 80 80 74 68 64 60 64 78 84 83 78 70 67 64 67 80 85 83 78 Dewpt 59 59 60 60 60 59 60 63 61 61 62 61 61 60 62 65 63 62 63 RH 49 49 62 76 87 96 87 60 46 47 58 73 81 87 84 60 48 49 60 Wind dir NE NE E SE N N N N NE NE SE S W NW N NE E SE SE Wind spd 4 4 3 2 1 2 2 3 3 4 3 2 1 1 2 2 4 5 4 Clouds FW FW SC SC CL FW CL FW FW FW SC SC SC B1 B1 B1 B1 B2 B1 PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 81 84 83 82 86 84 Max heat 81 81 84 85 86 86 Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 67 83 67 82 66 83 66 83 Temp 70 70 81 76 69 70 79 74 68 68 80 76 68 69 80 76 Dewpt 64 66 65 66 67 68 68 66 66 67 67 67 67 68 71 70 PWind dir E E E E E E NE NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B1 B1 B1 B2 B1 B1 B1 B1 SC SC SC B1 SC B1 PoP 12hr 10 30 30 40 30 20 10 20 Rain shwrs C C C C C C S S S S Tstms S S S $$ VAZ037-032000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 138 PM EDT Sun Aug 3 2025 Date Sun 08/03/25 Mon 08/04/25 Tue 08/05/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 58 82 61 81 Temp 77 76 71 65 61 59 63 76 80 79 73 67 64 63 66 76 79 77 72 Dewpt 56 56 58 58 57 56 57 58 57 57 59 59 59 58 60 60 59 59 60 RH 48 50 63 78 87 90 81 54 45 47 62 75 84 84 81 58 50 54 66 Wind dir NE E E N N NW N NE E E E N NW NW NW E E E E Wind spd 5 4 2 1 1 2 2 4 5 5 2 1 1 1 1 2 5 5 3 Clouds FW SC FW FW FW FW CL FW FW FW SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 0 0 5 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 80 80 Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 78 65 77 64 78 65 80 Temp 65 66 76 71 66 67 75 71 66 67 76 72 67 68 77 74 Dewpt 60 62 62 64 64 65 65 66 65 65 66 66 67 67 68 68 PWind dir N NE NE NE NE NE NE NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 SC B1 B1 B1 B1 B1 PoP 12hr 20 40 50 50 40 30 20 30 Rain shwrs S S C C C C C C C S C S C Tstms S C S S S S $$ MDZ003-032000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 138 PM EDT Sun Aug 3 2025 Date Sun 08/03/25 Mon 08/04/25 Tue 08/05/25 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 58 86 62 87 Temp 80 80 74 66 62 59 64 78 84 83 78 69 66 63 67 79 85 84 78 Dewpt 56 57 58 57 55 54 58 61 60 59 61 59 58 57 60 64 63 62 62 RH 44 45 57 73 78 83 81 56 44 44 56 70 75 81 78 60 48 48 58 Wind dir NE NE NE E NE N N N NE NE E E NE N N NE SE SE SE Wind spd 3 3 3 2 1 2 2 2 3 3 3 2 1 2 2 2 5 5 4 Clouds FW FW FW FW CL CL CL CL SC FW FW SC SC B1 SC B1 B1 B1 B1 PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 80 84 83 86 85 Max heat 80 81 84 84 86 86 Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 66 82 65 82 63 82 64 83 Temp 68 69 80 74 67 68 80 74 66 67 79 75 66 67 81 77 Dewpt 61 63 64 64 63 65 66 65 63 63 65 64 63 65 68 67 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 10 20 30 30 30 20 10 10 Rain shwrs S C C S C C S S Tstms S S $$ MDZ017-032000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 138 PM EDT Sun Aug 3 2025 Date Sun 08/03/25 Mon 08/04/25 Tue 08/05/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 67 86 69 86 Temp 82 82 76 72 70 68 73 79 84 84 79 74 71 70 74 80 84 84 79 Dewpt 58 58 59 59 58 59 62 62 62 61 62 63 64 64 65 65 64 64 65 RH 44 44 56 64 66 73 68 56 48 46 56 69 79 81 74 60 51 51 62 Wind dir NE NE E E NE NE N N N NE E SE S NW N NE E E E Wind spd 6 6 5 4 3 4 5 5 6 5 3 2 2 2 3 5 5 6 5 Clouds FW FW B1 SC FW CL CL CL FW FW SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 82 85 84 82 85 85 Max heat 82 82 85 85 85 86 Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 86 72 83 70 84 71 84 Temp 73 75 84 79 73 76 83 77 71 74 83 78 73 75 82 78 Dewpt 65 68 67 68 68 70 69 68 67 69 69 69 69 72 73 72 PWind dir E E E E E E NE NE Wind char LT GN GN GN GN GN LT LT Avg clouds B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 SC B1 B1 B1 B1 B1 PoP 12hr 5 20 30 30 30 20 20 20 Rain shwrs S C C C C C C S S S S S S Tstms S S S S $$ WVZ502-032000- Petersburg WV 38.99N 79.15W Elev. 963 ft 138 PM EDT Sun Aug 3 2025 Date Sun 08/03/25 Mon 08/04/25 Tue 08/05/25 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 81 54 84 58 84 Temp 78 78 70 61 57 55 58 75 81 81 72 64 60 58 61 76 81 79 72 Dewpt 57 57 59 56 55 54 55 59 58 58 60 58 56 55 57 61 59 59 60 RH 48 48 68 84 93 96 90 58 46 46 66 81 87 90 87 60 47 50 66 Wind dir E E E NW SW SW NW E E E E S SW SW SW SE SE SE SE Wind spd 3 3 3 2 2 1 1 2 4 4 2 2 2 1 1 2 5 5 3 Clouds FW SC SC FW CL FW FW FW FW FW SC SC SC B1 B1 B1 B1 B1 B2 PoP 12hr 0 0 0 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Obvis PF PF Heat index 81 81 81 Max heat 81 82 81 81 Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 60 80 60 80 61 81 61 84 Temp 63 62 77 69 62 63 78 71 63 62 78 71 63 64 80 73 Dewpt 58 59 62 63 61 62 65 65 62 62 65 65 63 62 68 68 PWind dir S E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 SC PoP 12hr 30 40 40 50 30 30 10 20 Rain shwrs S C C C C C C C C S S C S Tstms S S C S S S $$ MDZ014-032000- Annapolis MD 38.99N 76.49W Elev. 7 ft 138 PM EDT Sun Aug 3 2025 Date Sun 08/03/25 Mon 08/04/25 Tue 08/05/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 66 83 69 84 Temp 79 80 76 72 70 68 70 78 81 82 80 75 71 70 73 80 83 83 80 Dewpt 58 57 58 61 60 61 62 62 60 59 61 63 62 62 63 64 64 63 63 RH 49 45 54 68 71 78 76 58 49 46 52 66 73 76 71 58 53 51 56 Wind dir NE NE E SE N NW N NE NE NE SE SW W NW N NE E E SE Wind spd 6 4 2 2 0 1 2 5 5 4 2 1 1 1 2 3 5 5 5 Clouds CL FW SC SC FW CL CL FW FW CL FW SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 82 82 81 82 84 84 81 Max heat 80 82 82 84 84 Coast Flood Y Y Y Date Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 82 71 79 70 81 70 80 Temp 73 74 80 78 73 73 78 77 72 72 79 77 73 73 79 78 Dewpt 65 66 67 66 68 69 68 66 67 67 67 66 69 70 70 70 PWind dir E E E E E E E E Wind char LT GN LT GN LT GN LT LT Avg clouds B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC B1 B1 SC PoP 12hr 5 20 30 30 30 20 10 20 Rain shwrs S S C C C C S S S S Tstms S S $$