Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
203 FOUS51 KLWX 251137 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 737 AM EDT Wed Sep 25 2024 VAZ054-252000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 737 AM EDT Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 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 75 71 82 71 79 Temp 67 69 71 74 73 73 72 72 72 76 80 80 77 75 73 72 72 75 77 78 76 Dewpt 66 68 69 70 70 69 69 69 69 71 71 70 70 69 70 69 69 71 69 69 69 RH 97 97 93 87 90 87 90 90 90 85 74 72 79 82 90 90 90 87 76 74 79 Wind dir SE SE SE SE SE SE S S S S S S SE SE SE E E E E E E Wind spd 11 11 11 10 12 11 9 8 6 9 9 10 9 8 6 6 8 10 13 16 16 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 80 40 20 20 50 QPF 12hr 0.11 0.07 0 0.03 0.21 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L C C C C C C S S S S S S S S C C C C L Tstms S S S S S Obvis PF PF Heat index 83 83 Max heat 83 85 Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 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 71 80 67 77 65 75 64 76 Temp 73 71 78 74 71 68 74 71 68 66 73 69 66 64 72 70 Dewpt 70 69 67 66 65 65 64 62 63 62 62 60 61 61 60 58 PWind dir E E E E NE NE NE N Wind char GN GN GN GN GN GN LT GN Avg clouds OV B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 60 30 30 30 30 30 30 30 Rain shwrs L L C C C S S C C C C C C C C C Tstms S $$ MDZ013-252000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 737 AM EDT Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 72 68 80 68 77 Temp 66 67 70 70 70 69 69 69 70 75 78 78 73 70 69 69 69 73 75 76 73 Dewpt 66 67 70 70 70 69 69 69 70 73 73 73 72 70 69 69 69 70 70 69 70 RH 100100100100100100100100100 94 85 85 97100100100100 90 84 79 90 Wind dir E SE SE SE SE SE S S S S S S S SE SE E E E E E E Wind spd 6 9 9 9 6 5 5 4 4 6 8 6 4 3 2 2 4 6 9 10 8 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 80 40 20 20 40 QPF 12hr 0.15 0.09 0 0.02 0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L C C C C C C S S S S S S S S C C C C L Tstms S S S S S Obvis PF PF Coast Flood W W W W W W W W Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 77 64 75 61 73 60 74 Temp 70 69 76 71 66 66 72 68 63 63 70 66 62 61 71 66 Dewpt 69 69 69 67 65 65 65 64 62 62 63 62 60 61 62 60 PWind dir E E E E NE NE NE NE Wind char LT GN LT LT LT LT LT LT Avg clouds OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 60 30 30 30 30 30 30 30 Rain shwrs L L S C C S S C C S S C C C C C Tstms S $$ MDZ011-252000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 737 AM EDT Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 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 75 71 83 70 79 Temp 65 69 70 73 73 73 73 73 71 77 81 81 77 74 73 72 70 75 77 79 76 Dewpt 65 67 68 69 70 69 69 69 69 71 71 70 70 69 68 69 67 67 67 67 68 RH 100 93 93 87 90 87 87 87 93 82 72 69 79 84 84 90 90 76 71 67 76 Wind dir SE SE SE SE SE SE S S S S S S S SE S E E E E E E Wind spd 6 9 10 10 6 5 5 4 4 6 8 6 4 2 2 2 4 6 9 10 8 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 80 40 20 20 30 QPF 12hr 0.19 0.10 0 0.02 0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L C C C C C C S S S S S S S S C C C C L Tstms S S S S Obvis PF PF Heat index 85 85 Max heat 85 85 Coast Flood Y Y Y Y Y Y Y Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 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 70 80 66 77 64 76 63 77 Temp 74 70 78 74 71 66 75 72 67 64 73 70 66 63 74 70 Dewpt 69 67 67 65 64 63 63 62 61 60 61 60 60 59 59 58 PWind dir E E E E NE E NE NE Wind char LT GN LT GN LT LT LT LT Avg clouds OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 60 30 30 30 30 30 40 30 Rain shwrs L L S C C S S C C S C C C C C C $$ WVZ052-252000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 737 AM EDT Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 65 78 64 74 Temp 63 65 67 69 68 66 67 66 67 72 77 76 70 67 66 65 66 68 72 74 69 Dewpt 63 65 67 68 68 66 67 66 67 69 70 70 69 67 66 65 65 66 67 67 67 RH 100100100 97100100100100100 90 79 82 97100100100 97 93 84 79 93 Wind dir SE SE SE SE SE SE S S S S S S SE SE E E E E E E E Wind spd 8 8 8 8 5 5 5 5 4 5 6 5 3 2 2 3 5 9 10 10 8 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 OV OV OV PoP 12hr 70 50 20 20 40 QPF 12hr 0.04 0.08 0 0.02 0.23 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C C C C C C S S S S S S S S C C C C L Tstms S S S S S Obvis PF PF PF Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 75 60 71 57 70 56 71 Temp 66 65 73 67 63 63 69 64 60 60 68 62 59 59 68 62 Dewpt 66 65 67 65 63 62 64 62 60 60 62 60 59 58 59 58 PWind dir E E E E NE E NE N Wind char LT LT LT LT LT LT LT LT Avg clouds OV B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 60 50 40 40 40 40 40 40 Rain shwrs L L C C C C C C C C C C C C C C Tstms S $$ VAZ506-252000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 737 AM EDT Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 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 74 68 80 68 77 Temp 66 68 70 72 72 70 70 69 69 74 78 78 74 71 70 69 69 73 75 76 74 Dewpt 66 68 70 72 72 70 70 69 69 73 73 73 72 71 70 69 69 71 71 71 71 RH 100100100100100100100100100 97 85 85 93100100100100 93 87 85 90 Wind dir SE SE SE SE SE SE S S S S S S SE SE SE E E E E E E Wind spd 6 8 6 6 6 5 5 5 5 5 5 5 4 3 2 3 5 8 9 10 9 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 80 40 20 20 50 QPF 12hr 0.07 0.26 0 0.03 0.24 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L C C C C C C S S S S S S S S C C C C L Tstms S S S S S Obvis PF PF Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 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 68 78 64 74 61 72 59 74 Temp 70 68 77 71 67 66 72 68 64 62 70 66 61 61 71 66 Dewpt 70 68 69 67 66 65 67 65 63 62 64 62 61 61 63 61 PWind dir E E E E NE NE NE N Wind char LT LT LT LT LT LT LT LT Avg clouds OV B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 60 40 40 40 40 40 40 30 Rain shwrs L L C C C C S C C C C C C C C C Tstms S $$ VAZ037-252000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 737 AM EDT Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 66 78 66 75 Temp 64 67 70 73 70 69 68 67 67 72 76 76 72 70 68 67 67 72 73 75 73 Dewpt 64 66 69 70 69 69 68 67 67 69 70 69 69 69 68 67 67 69 69 69 69 RH 100 97 97 90 97100100100100 90 82 79 90 97100100100 90 87 82 87 Wind dir E E S SE E E S S S S S SE SE E E E E E E E E Wind spd 2 4 4 5 3 2 2 2 2 4 5 4 2 2 2 4 6 9 10 10 8 Clouds OV OV OV B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 70 60 30 40 80 QPF 12hr 0.05 0.54 0.09 0.29 0.88 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C C C C L C C C C C C C C C C L L D D L Tstms S S S S C C S Obvis PF PF Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 79 63 74 61 72 59 74 Temp 69 66 76 71 66 63 72 67 64 62 70 66 62 59 71 65 Dewpt 68 66 66 65 65 63 65 63 63 62 63 61 60 59 60 59 PWind dir E SE NE NE NE NE N N Wind char LT LT LT LT LT LT LT LT Avg clouds OV B2 B1 SC B1 B2 B2 B1 B2 B2 B2 B1 B2 B2 B1 SC PoP 12hr 60 40 30 40 40 40 30 40 Rain shwrs L C S C C S S C C C C C C C S C Tstms S $$ MDZ003-252000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 737 AM EDT Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 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 72 67 79 66 76 Temp 62 66 68 70 70 68 69 68 69 72 77 77 73 68 68 66 67 71 74 76 73 Dewpt 62 66 68 70 69 68 69 68 69 71 73 72 71 68 68 66 66 68 68 68 69 RH 100100100100 97100100100100 97 87 85 93100100100 97 90 82 76 87 Wind dir SE SE SE SE SE SE S S S S S S S SE E E NE E E E E Wind spd 5 6 6 6 5 5 5 5 5 5 5 5 3 2 2 3 5 6 9 10 8 Clouds OV OV OV OV OV OV OV OV OV OV OV B2 OV B2 OV OV B2 OV B2 OV OV PoP 12hr 70 50 20 20 40 QPF 12hr 0.07 0.05 0 0.01 0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C C C C C C S S S S S S S S C C C C L Tstms S S S S S Obvis PF PF PF Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 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 66 75 62 72 58 70 58 71 Temp 69 66 73 69 65 63 70 66 61 60 68 64 60 59 69 64 Dewpt 68 66 69 66 64 62 65 62 60 60 63 61 59 59 62 60 PWind dir E E E E NE E NE N Wind char LT LT LT LT LT LT LT LT Avg clouds OV B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 60 40 40 30 30 40 40 40 Rain shwrs L L C C C C C C C C C C C C C C Tstms S $$ MDZ017-252000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 737 AM EDT Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 69 81 70 79 Temp 70 72 74 76 72 70 71 70 71 77 79 79 74 72 71 71 72 77 77 79 74 Dewpt 68 69 70 71 69 69 69 68 70 71 71 71 71 70 70 70 71 71 71 70 69 RH 93 90 87 85 90 97 93 93 97 82 77 77 90 93 97 97 97 82 82 74 84 Wind dir SE SE SE SE SE S S S S S SE SE SE SE SE SE SE E SE SE SE Wind spd 10 11 11 12 10 10 8 6 5 8 10 10 8 5 5 5 6 10 11 12 11 Clouds OV OV OV B2 B2 B2 OV OV B2 OV OV OV OV OV OV OV B2 OV OV B2 OV PoP 12hr 70 20 10 20 50 QPF 12hr 0.16 0 0 0.04 0.23 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C C S S S S S S C C C C C Tstms S S S S S Coast Flood Y Y Y Y Y Y Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 82 67 78 65 75 64 76 Temp 72 73 79 72 69 70 76 70 67 68 74 69 65 66 73 68 Dewpt 71 71 69 68 67 67 66 64 64 65 64 62 63 63 63 61 PWind dir SE E E E E E NE N Wind char GN GN GN GN LT GN LT GN Avg clouds B2 B2 B1 B1 B1 B2 B1 B1 B1 B2 B1 B1 B2 B2 B1 B1 PoP 12hr 50 20 20 20 20 30 30 30 Rain shwrs C C S S S S S S S S C C C C C Tstms S $$ WVZ502-252000- Petersburg WV 38.99N 79.15W Elev. 963 ft 737 AM EDT Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 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 62 81 62 77 Temp 64 68 74 76 71 66 66 63 64 72 79 79 73 68 65 64 64 71 75 76 73 Dewpt 62 66 67 67 67 66 65 63 64 67 67 66 66 66 65 64 64 66 65 65 66 RH 93 93 79 74 87100 97100100 84 67 64 79 93100100100 84 71 69 79 Wind dir SE SE S SE SE S S S SE S S S SE SE E E E E E E E Wind spd 2 3 5 5 4 3 2 2 2 3 4 4 2 2 2 2 4 6 9 10 8 Clouds OV OV OV OV OV OV OV OV OV OV OV B2 OV OV OV OV OV OV OV OV B2 PoP 12hr 70 50 30 30 70 QPF 12hr 0.09 0.02 0.04 0.16 0.47 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L L C C C C C C C C C S S C C L L L L L Tstms C S S S S S S Obvis PF Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 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 62 80 59 75 57 73 54 76 Temp 66 63 78 70 63 61 72 68 61 58 71 65 58 56 72 65 Dewpt 66 63 64 63 63 61 62 61 60 58 59 59 58 56 58 57 PWind dir E SE E E NE E NE NW Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 B1 B2 B2 B2 B1 B2 B2 B2 B1 B2 B2 B1 B1 PoP 12hr 60 30 30 30 30 40 30 40 Rain shwrs L C C C C C C C C C C C C C C C Tstms S $$ MDZ014-252000- Annapolis MD 38.99N 76.49W Elev. 7 ft 737 AM EDT Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 70 78 69 77 Temp 68 69 70 72 72 71 72 71 71 75 77 76 74 72 71 71 71 74 75 76 74 Dewpt 67 68 70 70 70 70 70 70 71 71 72 71 71 71 71 71 70 70 69 69 69 RH 97 97100 93 93 97 93 97100 87 85 85 90 97100100 97 87 82 79 84 Wind dir SE SE SE SE SE S S S S S S S S S S SE E E E E E Wind spd 9 11 12 11 10 9 8 6 5 9 10 10 5 4 2 3 5 9 10 10 10 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 OV OV OV OV PoP 12hr 80 40 20 20 40 QPF 12hr 0.13 0.06 0 0.02 0.19 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L C C C C C C S S S S S S S S C C C C L Tstms S S S S Obvis PF PF Coast Flood W W W W W W W W Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 76 66 74 64 73 64 73 Temp 72 71 75 71 69 67 72 69 67 65 70 68 66 64 70 67 Dewpt 70 69 69 67 66 65 65 64 63 63 64 62 62 62 62 60 PWind dir E E E E NE NE NE N Wind char GN GN LT GN LT GN LT GN Avg clouds OV B2 B2 B1 B1 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 60 30 30 30 30 30 30 30 Rain shwrs L L C C C S S C C S C C C C C C Tstms S $$