Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
572 FOUS51 KLWX 042341 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 740 PM EDT Thu Sep 4 2025 VAZ054-050800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 740 PM EDT Thu Sep 4 2025 Date 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 89 73 90 62 Temp 74 71 69 68 69 78 85 87 81 78 76 74 75 83 87 82 74 72 68 65 65 Dewpt 64 66 65 65 65 66 64 63 64 66 67 66 67 68 66 67 68 66 62 59 56 RH 71 84 87 90 87 67 50 45 56 67 74 76 76 61 50 61 82 81 81 81 73 Wind dir SW S S S S S SW SW S S S S S S S W W NW NW N N Wind spd 12 9 8 5 5 9 10 11 9 9 9 9 6 9 10 11 9 9 9 10 9 Clouds B1 B2 SC SC SC FW FW FW FW FW FW SC SC SC B2 B2 OV OV OV OV OV PoP 12hr 30 0 0 70 60 QPF 12hr 0.08 0 0 0.36 0.21 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L L L C C Tstms C S C S Heat index 86 88 83 86 89 85 Max heat 86 89 82 90 88 Date 09/07 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 57 75 56 76 57 77 58 79 Temp 71 68 62 61 73 67 60 60 74 67 61 61 74 68 62 61 76 71 Dewpt 52 50 49 48 44 46 48 49 47 48 53 53 49 52 55 54 51 53 PWind dir NW NW N NE NE NE NE E NE Wind char GN LT LT LT LT LT LT LT LT Avg clouds B2 SC SC SC FW FW FW FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 10 0 0 0 0 0 0 5 5 $$ MDZ013-050800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 740 PM EDT Thu Sep 4 2025 Date 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 87 70 89 60 Temp 70 68 66 65 66 77 84 85 79 74 72 71 72 82 86 80 72 68 65 62 61 Dewpt 68 67 66 65 66 69 67 67 69 68 68 67 68 70 70 71 71 68 64 60 58 RH 93 97100100100 76 57 55 72 82 87 87 87 67 59 74 97100 97 93 90 Wind dir S S SW SW SW SW SW SW S S S S S SW S SW W NW NW N N Wind spd 8 5 3 3 2 5 8 9 5 5 4 4 3 5 8 8 4 4 5 5 5 Clouds B2 B2 B1 SC FW FW FW FW FW FW FW SC FW SC B2 B2 OV OV OV OV B2 PoP 12hr 40 0 0 70 60 QPF 12hr 0.12 0 0 0.46 0.24 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L L L C C Tstms C C C S Heat index 87 88 86 91 83 Max heat 87 88 91 90 Coast Flood W W W W Date 09/07 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 55 75 54 75 55 75 56 79 Temp 71 66 59 58 72 66 58 57 73 67 58 57 74 68 59 58 76 70 Dewpt 55 54 50 50 48 50 50 51 50 52 54 54 52 55 55 56 54 55 PWind dir NW NW N N NE NE NE E NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 SC SC FW FW FW FW FW FW FW FW FW FW SC FW SC SC SC PoP 12hr 10 0 0 0 0 0 0 5 5 $$ MDZ011-050800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 740 PM EDT Thu Sep 4 2025 Date 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 90 74 90 64 Temp 74 73 71 70 71 79 86 89 82 80 76 75 76 84 88 83 74 73 69 67 66 Dewpt 64 65 65 65 65 64 64 63 65 66 66 66 66 66 67 67 67 65 62 58 55 RH 71 76 81 84 81 60 48 42 56 62 71 74 71 55 50 59 79 76 78 73 68 Wind dir S S SW SW SW S S SW S S S S S SW S SW W NW NW N N Wind spd 10 5 4 3 2 5 9 9 5 4 4 3 3 5 8 9 5 4 5 5 5 Clouds B2 B2 B1 SC SC FW FW FW FW FW FW FW SC SC B2 B2 OV OV OV OV B2 PoP 12hr 40 0 0 70 60 QPF 12hr 0.08 0 0 0.47 0.25 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L L L C C Tstms C C C S Heat index 87 90 84 82 86 91 86 Max heat 87 90 84 91 90 Coast Flood Y Y Date 09/07 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 59 77 59 78 59 78 60 80 Temp 73 69 64 62 74 68 63 61 74 68 63 61 76 70 64 63 78 71 Dewpt 52 49 48 47 44 46 48 48 47 48 52 51 50 51 54 53 51 52 PWind dir NW NW N N NE NE NE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 SC SC FW FW FW FW FW FW FW FW FW FW SC FW FW SC SC PoP 12hr 10 0 0 0 0 0 0 5 5 $$ WVZ052-050800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 740 PM EDT Thu Sep 4 2025 Date 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 87 63 83 55 Temp 68 65 62 60 61 74 84 86 78 71 69 66 68 78 81 75 69 65 62 58 58 Dewpt 64 63 62 60 61 63 61 59 62 63 63 62 63 64 64 64 63 60 57 54 53 RH 87 93100100100 69 46 40 58 76 81 87 84 62 56 69 81 84 84 86 83 Wind dir S S SW SW S S SW SW S S S SW SW W W W NW NW NW NW NW Wind spd 5 2 2 2 1 5 8 8 4 4 3 2 2 4 6 8 5 5 5 5 4 Clouds B2 SC SC B1 SC FW FW FW FW FW B1 B1 B1 B1 B2 OV OV OV B2 SC SC PoP 12hr 20 0 5 80 40 QPF 12hr 0.03 0 0 0.37 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C D D C C S S Tstms S C C Obvis PF Heat index 84 83 Max heat 84 85 83 82 Date 09/07 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 48 73 46 74 48 76 50 78 Temp 72 64 55 53 70 63 53 52 72 64 53 52 74 66 55 55 76 67 Dewpt 47 46 46 46 44 45 46 46 46 48 48 48 48 49 50 50 51 52 PWind dir NW NW N N E E E SW N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 5 0 0 0 0 0 0 0 5 $$ VAZ506-050800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 740 PM EDT Thu Sep 4 2025 Date 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 88 69 89 60 Temp 70 67 66 64 65 76 84 85 79 74 71 70 71 81 86 78 72 67 64 61 61 Dewpt 68 67 65 64 65 69 67 67 67 66 66 66 68 71 70 71 70 67 63 58 58 RH 93100 97100100 79 57 55 67 76 84 87 90 72 59 79 93100 97 90 90 Wind dir S S S S S SW SW SW S S S S S S S W NW NW NW NW NW Wind spd 8 5 3 3 2 5 9 10 5 5 5 5 3 5 8 9 5 5 6 6 5 Clouds B1 B2 SC SC SC FW FW FW FW FW FW SC SC SC B2 B2 OV OV OV OV B2 PoP 12hr 20 0 0 80 60 QPF 12hr 0.01 0 0 0.41 0.13 Snow 12hr 00-00 00-00 00-00 Rain shwrs S D D L L C C Tstms S C C S Heat index 87 88 85 91 Max heat 87 89 91 88 Date 09/07 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 52 74 50 76 51 77 53 79 Temp 72 66 57 55 71 64 54 54 73 65 56 54 74 66 56 55 76 68 Dewpt 55 53 51 50 49 49 48 49 51 51 52 53 53 54 54 54 55 56 PWind dir NW NW N N NE NE NE NW N Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 SC SC FW FW FW FW FW FW FW FW FW SC FW FW SC SC SC PoP 12hr 10 0 0 0 0 0 0 5 5 $$ VAZ037-050800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 740 PM EDT Thu Sep 4 2025 Date 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 87 66 86 60 Temp 70 66 64 62 63 76 84 85 78 72 69 68 69 80 85 79 72 68 65 63 61 Dewpt 64 64 63 62 63 64 64 63 64 66 65 64 66 67 66 66 67 65 63 60 58 RH 81 93 97100100 66 51 48 62 81 87 87 90 65 53 64 84 90 93 90 90 Wind dir S SW S SW SW S SW SW S S SW SW SW S S W NW N N N N Wind spd 8 4 3 2 2 6 9 9 5 4 4 3 3 5 8 8 4 3 4 5 5 Clouds B2 SC FW SC FW FW FW FW CL FW SC SC SC SC B2 B2 B2 OV OV OV B2 PoP 12hr 5 0 0 60 60 QPF 12hr 0.01 0 0 0.28 0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L L L C C Tstms C C C Heat index 85 86 82 87 Max heat 85 86 87 86 Date 09/07 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 51 73 49 73 50 75 52 77 Temp 70 64 57 55 71 63 53 53 72 63 55 54 73 65 57 55 74 66 Dewpt 52 54 51 49 46 48 46 47 48 50 50 50 50 53 52 51 52 54 PWind dir NE N NE N NE N NE N NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC FW FW FW FW FW FW FW SC FW FW SC SC FW SC PoP 12hr 10 0 0 0 0 0 0 5 5 $$ MDZ003-050800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 740 PM EDT Thu Sep 4 2025 Date 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 87 65 83 55 Temp 68 65 64 61 63 74 82 85 77 71 69 66 68 78 81 74 69 65 61 58 57 Dewpt 66 65 64 61 63 66 63 61 64 64 64 63 65 67 68 67 65 61 58 55 55 RH 93100100100100 76 53 45 64 79 84 90 90 69 65 79 87 87 90 90 93 Wind dir S S S S S SW SW SW S S S S SW SW W W NW NW NW NW NW Wind spd 6 3 2 2 2 5 9 9 5 4 3 2 2 4 8 8 5 5 5 4 3 Clouds B2 B2 B1 SC SC FW FW FW FW SC B1 B1 B1 B1 OV OV B2 OV B2 SC SC PoP 12hr 30 0 10 80 40 QPF 12hr 0.02 0 0 0.34 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C D D C C S S Tstms C C C Obvis PF Heat index 83 85 84 Max heat 83 85 84 Date 09/07 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 49 74 48 75 49 77 52 80 Temp 73 65 54 53 70 63 53 52 72 64 53 53 74 66 55 55 76 67 Dewpt 50 48 48 48 46 47 46 47 49 50 49 49 51 51 50 51 53 54 PWind dir NW NW NW N E E E E N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 5 0 0 0 0 0 0 0 0 $$ MDZ017-050800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 740 PM EDT Thu Sep 4 2025 Date 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 87 72 87 63 Temp 74 71 70 68 71 79 83 84 77 76 75 73 75 81 85 82 73 70 68 65 67 Dewpt 67 66 65 64 66 68 69 68 70 68 68 67 68 70 71 70 71 69 67 63 62 RH 79 84 84 87 84 69 63 59 79 76 79 81 79 69 63 67 93 97 97 93 84 Wind dir S S SW SW SW SW S S S S S S S S S S S S N N N Wind spd 13 9 9 8 6 8 10 10 10 10 10 9 8 9 11 11 6 6 8 10 10 Clouds B1 B1 SC FW CL CL FW FW FW CL CL FW FW FW B1 B1 B2 B2 B2 OV B2 PoP 12hr 30 0 0 40 60 QPF 12hr 0.04 0 0 0.18 0.23 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L L C C S Tstms C C C S Heat index 87 87 85 90 86 Max heat 87 88 90 90 Date 09/07 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 60 74 59 76 60 75 60 76 Temp 70 67 63 64 72 67 62 64 74 67 62 64 74 68 62 63 74 68 Dewpt 57 56 53 54 51 51 53 55 53 54 56 58 56 56 57 59 56 57 PWind dir N N N NE NE NE NE NE NE Wind char GN LT GN LT GN LT GN LT GN Avg clouds B2 B1 SC SC FW FW FW FW FW SC FW SC SC SC SC SC SC SC PoP 12hr 20 5 0 0 0 0 5 5 5 Rain shwrs S $$ WVZ502-050800- Petersburg WV 38.99N 79.15W Elev. 963 ft 740 PM EDT Thu Sep 4 2025 Date 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 56 88 63 83 51 Temp 68 63 59 57 58 76 84 87 75 69 66 64 64 78 79 77 69 62 57 53 52 Dewpt 64 62 59 57 58 62 59 61 63 62 61 61 61 66 66 65 63 60 56 52 51 RH 87 97100100100 62 43 42 66 78 84 90 90 67 64 67 81 93 96 96 96 Wind dir SE SW S SW E SW SW W SW S SW SW SW W W W NW NW NW NW NW Wind spd 4 3 2 2 3 5 6 6 3 4 4 3 2 3 5 5 4 3 2 2 2 Clouds B2 SC FW SC FW FW FW FW SC SC B1 B2 B2 B2 OV B2 OV B2 B1 SC SC PoP 12hr 20 0 20 70 30 QPF 12hr 0.01 0 0 0.20 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C L L C C S S Tstms S S C C Obvis PF PF Heat index 84 87 Max heat 84 87 82 Date 09/07 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 45 75 44 76 46 79 49 81 Temp 73 62 50 47 71 61 49 47 73 63 50 49 76 65 53 52 77 66 Dewpt 48 48 46 44 44 47 45 44 48 50 48 47 51 53 49 49 53 55 PWind dir NW NW N W SE S E SW N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 5 0 0 0 0 0 0 0 0 $$ MDZ014-050800- Annapolis MD 38.99N 76.49W Elev. 7 ft 740 PM EDT Thu Sep 4 2025 Date 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 84 72 84 62 Temp 72 70 69 68 69 77 81 83 78 76 75 73 75 81 83 79 73 70 68 65 65 Dewpt 66 68 67 66 66 67 68 67 69 70 69 69 68 70 70 69 69 68 65 61 58 RH 81 93 93 93 90 71 65 59 74 82 82 87 79 69 65 72 87 93 90 87 78 Wind dir S S SW SW SW S S S S S S S S S S S SW NW NW N N Wind spd 10 8 5 5 4 8 10 10 9 8 6 6 5 8 10 10 5 5 6 8 8 Clouds B2 B2 SC FW FW FW FW FW FW FW FW FW FW SC B2 B2 B2 OV OV OV B2 PoP 12hr 30 0 0 70 70 QPF 12hr 0.10 0 0 0.43 0.30 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L L L C C Tstms C S C S Heat index 84 86 85 87 Max heat 84 86 87 86 Coast Flood W W W W Date 09/07 Mon 09/08/25 Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 58 72 58 73 58 73 59 74 Temp 69 68 63 61 70 68 62 62 71 67 62 62 71 68 63 63 73 70 Dewpt 55 53 53 51 49 49 53 53 51 53 56 56 54 55 58 57 55 55 PWind dir NW NW N NE NE NE NE E NE Wind char GN LT LT LT LT LT LT LT LT Avg clouds B2 SC SC FW FW FW FW FW FW FW FW FW SC SC FW FW SC SC PoP 12hr 10 5 0 0 0 0 0 5 5 $$