Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
091 FOUS51 KLWX 210237 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1037 PM EDT Wed Aug 20 2025 VAZ054-210800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1037 PM EDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat 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 72 78 65 83 65 Temp 77 75 74 72 73 75 75 72 70 68 67 69 75 80 81 74 71 69 67 70 Dewpt 72 72 71 70 68 67 66 64 63 62 61 61 58 57 57 58 58 60 61 62 RH 85 90 90 93 84 76 74 76 78 81 81 76 55 45 44 57 63 73 81 76 Wind dir NE NE NE NE N NE N NE N N N N N NE E SE SE S S S Wind spd 8 8 10 13 14 14 13 11 9 8 8 6 6 5 6 6 5 5 4 4 Wind gust 24 Clouds B2 B2 OV OV OV OV OV OV SC SC SC SC FW FW FW FW CL FW FW FW PoP 12hr 20 20 0 0 0 QPF 12hr 0.16 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Heat index 80 81 Max heat 80 82 Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 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 84 69 84 69 84 64 80 62 78 Temp 81 76 72 72 82 76 72 71 81 74 68 66 77 72 66 65 75 71 Dewpt 60 62 64 65 66 67 68 67 62 58 56 55 51 50 52 52 51 51 PWind dir S S S S NW NW NW NW NW Wind char GN GN GN LT GN GN GN LT GN Avg clouds FW FW FW SC B1 B2 B1 SC SC SC FW FW FW SC SC SC SC SC PoP 12hr 5 20 50 40 20 5 0 0 5 Rain shwrs S S C C S S Tstms S S S $$ MDZ013-210800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1037 PM EDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 76 64 83 64 Temp 73 72 71 69 71 74 73 71 68 66 65 66 75 80 80 74 69 67 65 67 Dewpt 73 72 70 68 69 69 68 66 64 62 61 61 59 58 58 60 60 60 60 62 RH 100100 97 97 93 84 84 84 87 87 87 84 58 47 47 62 73 78 84 84 Wind dir NE NE NE NE NE NE NE N N N N N N NE E SE S S SW S Wind spd 5 5 8 11 14 13 12 9 5 5 5 5 5 5 5 3 2 2 2 2 Wind gust 16 19 21 23 20 18 Clouds B2 OV OV OV OV OV OV B2 B1 SC SC FW CL FW FW FW CL FW FW FW PoP 12hr 20 20 0 0 0 QPF 12hr 0.18 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Heat index 81 81 Max heat 81 81 Coast Flood Y Y Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 68 84 67 83 61 79 60 78 Temp 81 75 70 70 81 76 70 69 81 73 66 64 77 71 64 62 75 71 Dewpt 63 65 66 67 69 70 68 69 65 60 56 57 54 53 53 53 52 53 PWind dir S S S SW W NW NW NW NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC B1 B2 B2 B1 SC SC FW FW FW SC SC SC SC SC PoP 12hr 0 20 50 50 30 5 0 0 5 Rain shwrs S S C C C S C Tstms S S S $$ MDZ011-210800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1037 PM EDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat 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 73 81 68 87 70 Temp 79 77 75 73 76 77 77 73 74 70 70 72 79 84 85 77 76 72 71 73 Dewpt 71 71 69 67 66 67 65 63 62 61 60 59 56 55 55 56 58 59 60 60 RH 77 82 82 81 71 71 67 71 66 73 71 64 45 37 36 48 54 64 68 64 Wind dir NE NE NE NE NE NE NE N N N N N N NE NE SE S S SW S Wind spd 5 5 8 11 14 13 12 9 5 5 5 5 5 5 5 2 2 2 2 2 Wind gust 16 19 21 23 20 18 Clouds B2 OV OV OV OV OV OV OV B1 SC SC FW CL FW FW FW CL CL CL FW PoP 12hr 30 20 0 0 0 QPF 12hr 0.25 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 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 87 73 88 72 88 67 84 65 82 Temp 85 78 76 76 85 78 75 75 85 76 72 69 81 73 68 67 79 73 Dewpt 60 61 64 65 66 66 67 67 62 58 56 55 52 51 52 52 50 50 PWind dir S S S SW W NW NW NW NW Wind char LT LT GN LT LT LT LT LT LT Avg clouds FW SC FW SC B1 B2 B2 B1 SC SC FW FW FW SC FW FW SC SC PoP 12hr 0 20 50 50 30 5 0 0 0 Rain shwrs S S C C C S C Tstms S S S $$ WVZ052-210800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1037 PM EDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 75 62 81 60 Temp 72 70 69 68 70 72 72 70 66 65 63 65 74 78 79 73 67 64 62 65 Dewpt 70 69 68 66 66 66 65 64 64 63 61 62 61 60 59 61 59 58 57 59 RH 93 97 97 93 87 81 79 81 93 93 93 90 64 54 50 66 75 81 84 81 Wind dir NE NE N NE NE N NE NE N N N N N N E SE S S S SE Wind spd 3 4 6 9 10 11 10 5 3 2 2 2 3 3 3 2 2 2 2 2 Clouds OV OV OV OV OV OV B2 B1 B1 B2 B1 SC SC FW FW FW FW FW FW SC PoP 12hr 40 20 5 0 0 QPF 12hr 0.05 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S S Tstms Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 64 82 62 81 55 76 52 76 Temp 80 75 67 67 79 73 65 66 78 71 59 60 74 67 57 57 73 66 Dewpt 63 63 62 64 67 68 65 64 57 54 53 53 51 50 50 50 49 51 PWind dir S S S SW W W NW W NW Wind char LT LT LT LT LT LT GN LT LT Avg clouds SC SC SC B1 B2 B2 B1 SC FW SC FW FW FW SC FW FW SC SC PoP 12hr 20 30 70 30 20 5 5 0 5 Rain shwrs S S C C L C S Tstms S S C S $$ VAZ506-210800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1037 PM EDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat 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 69 76 63 83 63 Temp 74 72 71 70 72 75 74 71 67 65 65 66 74 80 80 74 68 65 63 66 Dewpt 73 72 71 70 71 71 69 68 66 64 63 64 65 64 63 63 60 59 59 62 RH 97100100100 97 87 84 90 97 97 93 93 74 58 56 69 76 81 87 87 Wind dir E NE NE N N N N N N N N N N N NE E SE S S S Wind spd 4 4 6 10 12 12 11 8 5 4 4 4 5 4 4 3 2 2 2 3 Wind gust 23 Clouds B2 B2 OV OV OV OV OV B2 B1 B1 B1 SC FW FW FW FW FW FW FW FW PoP 12hr 20 20 0 0 0 QPF 12hr 0.17 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S Heat index 82 81 Max heat 82 83 Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 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 84 67 84 66 83 59 78 57 77 Temp 80 76 69 69 80 74 69 68 81 71 63 62 75 68 60 60 74 68 Dewpt 66 65 64 67 72 71 69 68 64 59 55 56 55 53 52 53 54 53 PWind dir S S S SW NW NW NW NW NW Wind char LT LT LT LT LT LT GN LT LT Avg clouds SC SC SC B1 B1 B2 B2 SC SC SC SC FW FW SC SC SC SC SC PoP 12hr 10 20 60 40 20 5 0 0 5 Rain shwrs S S L C S Tstms C S S $$ VAZ037-210800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1037 PM EDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 80 64 80 63 Temp 73 71 71 71 75 78 78 73 68 66 65 66 74 78 79 73 68 66 64 66 Dewpt 70 70 70 70 70 68 68 66 65 64 63 63 63 63 62 63 63 62 61 62 RH 90 97 97 97 84 71 71 79 90 93 93 90 69 60 56 71 84 87 90 87 Wind dir NE N NE NE NE NE NE NE N N N N NE NE E E E SE SE S Wind spd 3 4 5 9 11 12 10 8 5 3 2 2 4 4 5 3 1 1 1 2 Wind gust 16 19 21 18 Clouds B2 OV OV OV OV B2 B1 SC B1 B1 B1 SC SC B1 SC SC SC B1 B1 SC PoP 12hr 30 20 10 5 5 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Tstms Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 65 83 64 83 57 78 55 77 Temp 79 74 67 67 80 73 68 67 80 72 61 60 75 68 58 58 74 68 Dewpt 64 63 63 65 67 68 66 65 59 57 54 54 51 50 51 52 51 51 PWind dir S S S SW W NW NW NW NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC B1 B2 B1 SC FW SC FW FW FW SC SC SC SC SC PoP 12hr 20 20 60 30 20 5 0 5 5 Rain shwrs S S S C L C S Tstms C S $$ MDZ003-210800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1037 PM EDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat 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 76 62 83 61 Temp 72 70 68 67 70 73 72 71 66 65 63 65 74 79 79 74 66 64 62 65 Dewpt 71 69 67 67 67 68 67 65 65 64 62 63 63 62 61 61 60 58 57 59 RH 97 97 97100 90 84 84 81 97 97 97 93 69 56 54 64 81 81 84 81 Wind dir NE NE NE NE NE NE NE NE N N N N N N E SE SE S SE S Wind spd 5 5 6 9 10 11 10 6 4 3 3 3 3 4 3 3 2 2 3 3 Clouds OV OV OV OV B2 OV OV B1 B1 B1 B1 SC FW FW FW FW CL FW FW FW PoP 12hr 30 20 5 0 0 QPF 12hr 0.02 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S S Tstms Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 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 85 65 82 64 81 55 76 53 77 Temp 80 76 68 67 79 73 67 66 78 70 60 59 74 67 57 57 73 66 Dewpt 66 63 63 65 70 69 67 66 59 55 53 55 53 50 50 51 51 51 PWind dir S S S SW W W W W NW Wind char LT LT LT LT LT LT GN LT LT Avg clouds SC SC B1 B1 B2 B2 B1 SC FW SC FW CL FW SC FW FW FW SC PoP 12hr 20 40 70 40 20 5 5 0 0 Rain shwrs S C C C L C S Tstms S S S C S S $$ MDZ017-210800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1037 PM EDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 79 66 80 67 Temp 76 74 73 75 77 77 76 73 70 69 68 70 75 78 79 74 71 69 68 72 Dewpt 73 73 72 73 72 72 70 68 65 64 62 63 61 60 59 60 61 62 62 65 RH 90 97 97 94 85 85 82 84 84 84 81 78 62 54 50 62 71 78 81 79 Wind dir E NE NE NE N N N N N N N N N N N E SE S S S Wind spd 8 10 13 18 20 21 18 14 13 11 10 10 10 9 6 4 5 4 4 4 Wind gust 24 29 27 25 23 21 Clouds B1 B2 B2 B2 OV OV OV OV B2 SC SC CL CL CL CL CL CL CL CL CL PoP 12hr 20 30 5 0 0 QPF 12hr 0 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 70 84 70 84 65 80 63 78 Temp 80 75 72 74 82 77 73 73 82 76 69 68 78 73 66 68 76 72 Dewpt 64 65 66 68 69 70 69 70 68 67 60 60 56 57 56 57 55 56 PWind dir S S S S W NW NW NW NW Wind char GN GN GN LT LT LT LT LT LT Avg clouds CL FW FW FW SC B1 B1 B1 SC B1 FW FW FW FW SC SC FW SC PoP 12hr 0 10 30 40 30 10 0 5 5 Rain shwrs S C C C S C Tstms S $$ WVZ502-210800- Petersburg WV 38.99N 79.15W Elev. 963 ft 1037 PM EDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat 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 78 61 83 61 Temp 70 68 68 67 71 75 77 71 66 64 63 62 72 79 80 72 66 64 62 63 Dewpt 70 68 67 67 70 70 70 68 66 64 63 62 66 66 66 66 64 63 61 62 RH 100100 97100 97 84 79 90100100100100 81 64 62 81 93 97 97 97 Wind dir N N N N NE NE NE NE NE NE NE NE NE NE E E SE S S S Wind spd 2 2 2 4 5 6 5 4 2 2 2 2 2 2 3 3 2 2 2 2 Clouds B2 OV OV OV OV B2 B1 B1 OV OV OV B2 B1 SC SC SC SC SC SC SC PoP 12hr 60 40 20 10 5 QPF 12hr 0.13 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C S S Tstms S S Heat index 82 Max heat 83 Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 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 87 63 84 59 79 51 74 49 76 Temp 83 74 65 65 79 72 62 60 76 66 54 54 72 63 52 52 73 64 Dewpt 68 68 64 65 69 68 62 60 56 54 51 50 51 51 48 48 49 51 PWind dir S S SW W W W W W NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 B1 B2 B2 SC SC SC SC FW FW SC SC FW SC SC SC PoP 12hr 40 40 70 30 20 5 5 0 5 Rain shwrs C C C C L C S Tstms C S C S $$ MDZ014-210800- Annapolis MD 38.99N 76.49W Elev. 7 ft 1037 PM EDT Wed Aug 20 2025 Date 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 75 66 79 67 Temp 75 75 73 72 72 73 73 73 70 69 68 69 74 76 78 75 71 69 68 70 Dewpt 74 73 72 70 69 69 67 65 65 64 62 61 58 58 57 58 62 63 63 64 RH 97 94 97 93 90 87 81 76 84 84 81 76 57 54 48 55 73 81 84 81 Wind dir E NE NE NE NE NE NE NE N N N N N N NE E SE S S S Wind spd 6 8 10 12 17 17 14 11 10 9 9 8 9 8 5 4 4 4 3 3 Wind gust 20 27 23 21 Clouds OV OV OV OV OV OV OV OV B1 SC SC FW CL FW FW FW CL CL CL FW PoP 12hr 30 20 5 0 0 QPF 12hr 0.13 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Coast Flood Y Y Date 08/23 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 70 81 69 81 65 77 63 76 Temp 78 76 72 73 79 77 72 72 79 76 70 67 75 73 66 65 74 73 Dewpt 63 63 66 67 68 68 69 69 66 62 60 58 55 54 56 55 53 53 PWind dir S S S SW W NW NW NW NW Wind char GN GN GN LT LT LT GN LT LT Avg clouds FW FW FW SC B1 B1 B1 B1 SC B1 SC FW FW SC SC SC SC SC PoP 12hr 0 20 40 50 30 10 0 0 5 Rain shwrs S S C C C S C Tstms S S $$