Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
637 FOUS51 KLWX 231524 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1124 AM EDT Mon Sep 23 2024 VAZ054-232000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1124 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 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 65 73 67 76 Temp 70 71 68 68 66 66 66 67 69 70 69 69 68 68 69 71 74 75 73 Dewpt 61 62 61 62 61 61 62 63 63 63 63 62 63 64 65 66 68 68 67 RH 73 73 78 81 84 84 87 87 81 78 81 78 84 87 87 84 82 79 81 Wind dir S SE SE E E E E E E E E E E E SE SE SE SE SE Wind spd 6 8 10 10 9 9 9 10 10 11 10 11 9 9 9 10 10 10 9 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 PoP 12hr 80 30 40 60 60 QPF 12hr 0.02 0.09 0.03 0.07 0.07 Snow 12hr 00-00 00-00 00-00 Drizzle O O O Rain shwrs C C C C C C C C C C L L L C C C Tstms S S S S S C Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 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 82 70 79 69 77 65 76 Temp 70 71 79 76 72 72 77 73 70 70 75 71 66 66 73 69 Dewpt 67 68 69 67 68 67 65 64 64 65 64 61 60 60 58 57 PWind dir SE S E E E E E E Wind char LT LT LT GN GN GN GN GN Avg clouds B2 B2 OV B2 B2 B2 OV B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 40 20 10 20 20 20 20 20 Rain shwrs C C S S S S S S S S S Tstms C S $$ MDZ013-232000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1124 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 62 70 64 74 Temp 69 69 65 63 63 63 63 66 68 70 68 65 65 65 67 69 72 74 71 Dewpt 61 61 63 62 60 61 63 64 64 64 63 63 63 63 66 68 70 70 69 RH 76 76 93 97 90 93100 93 87 81 84 93 93 93 97 97 93 87 93 Wind dir SE SE E E E E E E E E E E E E SE SE SE SE SE Wind spd 6 5 6 5 5 5 5 8 9 9 9 8 5 5 5 8 8 8 5 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 80 40 40 60 60 QPF 12hr 0.05 0.09 0.05 0.06 0.14 Snow 12hr 00-00 00-00 00-00 Drizzle Rain shwrs C C C C C C C C C C C C C L L L C C C Tstms S S Coast Flood W W W W W W W W W W W W W Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 80 68 78 66 76 62 75 Temp 68 69 78 73 69 68 76 72 67 66 74 69 63 63 72 67 Dewpt 67 69 71 70 68 67 67 67 65 65 66 64 61 60 60 60 PWind dir SE S SE E E E E E Wind char LT LT LT LT LT GN LT GN Avg clouds OV OV B2 B2 B2 OV B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 40 20 10 20 20 20 20 10 Rain shwrs C C S S S S S S S S Tstms S S S $$ MDZ011-232000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1124 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 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 64 73 66 77 Temp 71 71 67 67 65 66 66 68 70 72 70 69 67 68 68 72 75 76 73 Dewpt 60 61 61 60 60 60 60 61 62 62 61 61 62 63 64 66 67 68 67 RH 68 71 81 78 84 81 81 78 76 71 73 76 84 84 87 81 76 76 81 Wind dir SE SE E E E E E E E E E E E E SE SE SE SE SE Wind spd 6 5 6 5 5 5 5 8 9 10 9 8 5 5 5 9 9 8 5 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 OV PoP 12hr 80 40 40 60 60 QPF 12hr 0.06 0.08 0.05 0.06 0.15 Snow 12hr 00-00 00-00 00-00 Drizzle Rain shwrs C C C C C C C C C C C C C L L L C C C Tstms S S Coast Flood Y Y Y Y Y Y Y Y Y Y Y Y Y Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 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 83 70 81 68 78 64 77 Temp 70 71 80 75 72 71 78 73 70 69 76 70 67 65 75 69 Dewpt 67 68 69 67 67 64 63 64 63 62 62 61 60 58 58 58 PWind dir SE SW E E E E E E Wind char LT LT LT LT LT GN LT GN Avg clouds OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 50 20 10 20 20 20 20 10 Rain shwrs C C S S S S S S Tstms S S $$ WVZ052-232000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1124 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 69 59 66 61 72 Temp 68 69 65 62 62 61 61 62 63 65 64 62 63 63 63 66 70 72 69 Dewpt 62 63 64 62 62 60 60 61 63 63 63 62 63 62 63 66 68 68 67 RH 81 81 97100100 97 97 97100 93 97100100 97100100 93 87 93 Wind dir SE SE SE E SE SE E SE SE SE SE SE SE SE SE SE SE SE SE Wind spd 10 9 5 6 6 9 8 10 10 10 8 9 9 9 8 9 9 8 5 Clouds OV B2 OV OV OV OV OV OV OV OV OV OV B2 OV OV B2 B2 B2 OV PoP 12hr 90 60 60 70 60 QPF 12hr 0.17 0.19 0.12 0.15 0.11 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C L L L L L L L L L L L L C Tstms S S S S S S S S S C Obvis PF PF PF PF PF Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 77 63 74 62 73 58 71 Temp 65 65 75 70 65 64 72 68 64 63 70 66 61 58 69 64 Dewpt 65 65 68 67 65 64 66 64 62 62 64 62 60 58 59 58 PWind dir S SE E E E E E E Wind char LT LT LT LT LT GN LT LT Avg clouds OV OV B2 B2 B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 50 20 10 20 30 20 20 20 Rain shwrs C C S S S S C S S S S S S S Tstms C S $$ VAZ506-232000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1124 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 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 62 69 64 74 Temp 70 70 67 65 64 63 63 65 67 68 67 65 65 65 67 69 72 74 71 Dewpt 61 62 65 64 63 62 63 65 66 66 65 65 64 65 66 69 71 71 70 RH 73 76 93 97 97 97100100 97 93 93100 97100 97100 97 90 97 Wind dir S SE SE E SE E E SE SE SE SE SE SE SE SE SE SE SE SE Wind spd 9 8 6 6 5 5 5 8 8 8 5 6 5 6 5 6 6 6 5 Clouds OV OV B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV B2 OV PoP 12hr 80 50 50 70 60 QPF 12hr 0.04 0.13 0.03 0.16 0.08 Snow 12hr 00-00 00-00 00-00 Drizzle O Rain shwrs C C C C C C C C C L C L L L L C C C Tstms S S S S S S S C Obvis PF PF PF Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 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 80 67 77 66 76 62 74 Temp 68 68 78 73 69 68 75 72 68 66 74 69 63 61 71 67 Dewpt 68 68 72 70 69 68 69 67 67 66 68 65 62 61 63 61 PWind dir S S E E E E E E Wind char LT LT LT LT LT GN LT LT Avg clouds OV OV OV B2 B2 OV B2 B2 B2 B2 B2 B2 B1 B2 B1 B1 PoP 12hr 50 20 20 20 30 20 20 20 Rain shwrs C C S S S S C S S S S S S Tstms C S $$ VAZ037-232000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1124 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 62 69 63 75 Temp 69 70 68 66 65 63 63 65 66 67 67 65 64 64 64 68 72 74 71 Dewpt 64 65 65 65 65 64 63 63 65 65 64 65 64 64 64 66 68 69 68 RH 84 84 90 97100104100 93 97 93 90100100100100 93 87 84 90 Wind dir S S E NE E E NE E E E E E E E E SE SE SE E Wind spd 8 5 2 2 3 3 4 5 5 5 4 3 3 2 2 3 3 3 2 Clouds OV B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 OV B2 B2 B2 PoP 12hr 80 50 50 70 50 QPF 12hr 0.05 0.27 0.07 0.38 0.03 Snow 12hr 00-00 00-00 00-00 Drizzle O O Rain shwrs C C C C C C C C L L L L C C C C C Tstms S S S S C C C S S C C C Obvis PF PF PF PF PF Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 79 66 75 64 76 61 72 Temp 67 66 77 72 68 67 73 70 67 66 72 69 64 60 70 66 Dewpt 67 66 68 67 67 66 68 66 66 65 65 63 61 60 61 60 PWind dir S SE E E NE NE NE NE Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B1 B1 PoP 12hr 40 20 20 30 30 30 30 20 Rain shwrs C C S S S S C C C C C C C S S S Tstms C S S $$ MDZ003-232000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1124 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 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 68 59 67 62 73 Temp 67 68 65 63 62 61 61 63 65 66 65 63 63 63 64 67 71 72 71 Dewpt 62 61 64 63 62 60 60 63 65 64 64 63 63 63 64 67 70 69 68 RH 84 78 97100100 97 97100100 93 97100100100100100 97 90 90 Wind dir SE SE E E SE E E E SE SE SE SE SE SE SE SE SE SE SE Wind spd 11 6 5 5 5 5 5 8 9 9 6 8 8 8 6 8 8 8 5 Clouds B2 OV OV OV OV OV OV OV B2 OV OV OV OV OV OV OV B2 OV OV PoP 12hr 90 80 70 80 60 QPF 12hr 0.13 0.13 0.12 0.20 0.18 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L D D L L L L L L D D D D L L L L C Tstms S S S S S S S Obvis PF PF PF PF PF PF Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 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 65 76 64 74 59 73 Temp 67 67 76 72 67 66 73 70 66 64 71 67 62 60 70 65 Dewpt 67 67 70 69 67 65 68 66 64 62 66 64 61 59 62 60 PWind dir S SW E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds OV OV B2 B2 B2 OV B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 50 20 10 20 20 20 20 20 Rain shwrs C C S S S S S S S S S S S S Tstms C S $$ MDZ017-232000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1124 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 65 75 67 78 Temp 71 72 69 67 66 66 67 70 73 73 71 67 68 68 70 73 76 77 74 Dewpt 59 60 61 60 60 60 63 63 63 64 63 63 64 65 67 68 68 68 67 RH 66 66 76 78 81 81 87 78 71 73 76 87 87 90 90 84 76 74 79 Wind dir SE SE SE E E E E E SE SE E E SE SE SE SE SE SE SE Wind spd 8 9 10 9 6 6 6 9 9 10 10 10 8 8 8 10 10 10 9 Clouds B2 OV OV B2 OV OV OV OV B2 B2 B2 B2 B2 OV B2 B2 B2 B1 B2 PoP 12hr 10 20 30 40 40 QPF 12hr 0 0.03 0.02 0.02 0.03 Snow 12hr 00-00 00-00 00-00 Drizzle O O O O O O O O O O S Rain shwrs C C C C C S S S Tstms S S S S S Coast Flood W W W W W W W W W W W Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 82 69 80 68 79 65 77 Temp 70 71 79 74 71 72 77 73 70 71 77 70 66 67 74 69 Dewpt 68 69 70 69 69 70 69 67 67 67 66 63 63 63 60 59 PWind dir S S SE E E E E E Wind char LT LT LT GN GN GN GN GN Avg clouds B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 PoP 12hr 20 10 10 20 20 20 10 10 Rain shwrs S S S S S S S Tstms S $$ WVZ502-232000- Petersburg WV 38.99N 79.15W Elev. 963 ft 1124 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 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 78 61 73 60 79 Temp 77 78 71 67 65 63 63 67 72 72 69 65 62 62 62 70 77 78 73 Dewpt 66 66 67 67 65 63 63 64 64 63 63 64 62 62 62 66 66 66 66 RH 69 67 87100100100100 90 76 73 81 97100100100 87 69 67 79 Wind dir S E NE NE NE E E SE SE SE SE SE SE SE SE SE SE SE SE Wind spd 4 5 2 2 2 2 3 5 6 8 5 4 3 3 2 4 5 5 3 Clouds B2 B1 B1 B2 B2 OV OV OV B2 OV OV OV OV OV B2 OV B2 B2 B2 PoP 12hr 70 50 70 70 60 QPF 12hr 0.24 0.14 0.21 0.12 0.20 Snow 12hr 00-00 00-00 00-00 Drizzle O O O Rain shwrs L L C L L L L L L L L L L L L C Tstms S S S S S S S S C S S S C C C Obvis PF PF PF PF PF Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 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 61 82 62 77 61 79 57 74 Temp 64 63 81 73 66 63 75 71 65 62 75 69 62 59 72 66 Dewpt 64 63 66 65 65 63 65 65 64 62 62 62 60 58 59 58 PWind dir S SE E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B2 OV B2 B2 B2 B2 B2 B1 B2 B2 B2 B1 B2 PoP 12hr 40 20 20 30 30 30 20 20 Rain shwrs C C S S S C S C C C S S S S S Tstms C S $$ MDZ014-232000- Annapolis MD 38.99N 76.49W Elev. 7 ft 1124 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 64 71 66 74 Temp 71 71 67 66 66 66 66 67 69 70 68 67 67 68 69 70 72 74 72 Dewpt 60 62 62 61 60 62 62 62 63 63 62 63 63 65 66 67 68 69 68 RH 68 73 84 84 81 87 87 84 81 78 81 87 87 90 90 90 87 84 87 Wind dir SE SE SE E E E E E E E E E E SE SE SE SE SE SE Wind spd 8 8 9 9 6 6 6 10 10 11 10 10 8 8 8 10 11 10 8 Clouds OV OV OV OV OV OV OV OV OV OV OV B2 OV OV B2 OV B2 B2 B2 PoP 12hr 80 30 40 60 60 QPF 12hr 0.03 0.06 0.04 0.05 0.12 Snow 12hr 00-00 00-00 00-00 Drizzle O O O Rain shwrs C C C C C C C C C C L L L C C C Tstms S S S Coast Flood W W W W W W W W W W W W W Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 78 69 76 68 74 64 72 Temp 70 70 76 73 71 71 75 72 70 69 72 69 66 65 71 68 Dewpt 69 69 70 69 69 67 66 66 66 66 64 63 62 60 60 60 PWind dir S S SE E E E E E Wind char LT LT LT GN LT GN GN GN Avg clouds B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 40 20 10 20 20 20 20 10 Rain shwrs C C S S S S S S S Tstms S S S $$