Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
858 FOUS51 KLWX 221738 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 138 PM EDT Sun Sep 22 2024 VAZ054-222000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 138 PM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 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 65 74 65 73 Temp 71 73 71 68 67 66 66 69 73 72 68 68 67 66 66 67 70 73 71 Dewpt 63 63 62 62 61 61 60 60 60 60 60 60 61 61 61 62 62 63 62 RH 76 71 73 81 81 84 81 73 64 66 76 76 81 84 84 84 76 71 73 Wind dir E E E SE SE SE E SE SE SE SE E E E E E E E E Wind spd 5 4 5 5 6 5 6 9 10 10 9 9 9 8 8 10 10 10 10 Clouds B2 B2 B1 B1 B2 B2 B2 B2 OV B2 OV OV OV OV OV OV OV OV OV PoP 12hr 10 5 40 60 50 QPF 12hr 0 0 0.01 0.05 0.01 Snow 12hr 00-00 00-00 00-00 Drizzle AR AR AR AR O AR AR AR AR AR AR AR Rain shwrs Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 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 76 69 81 68 79 66 78 Temp 69 68 74 72 71 71 78 74 70 69 77 72 68 67 75 70 Dewpt 64 65 67 66 67 67 67 65 64 62 61 60 61 61 60 58 PWind dir SE SE SE SW NE NE NE NE Wind char GN GN LT LT LT GN GN GN Avg clouds OV OV OV OV B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC PoP 12hr 60 50 40 20 20 20 20 30 Drizzle AR Rain shwrs L L L L C C C S S S S S S S S Tstms S S S S S $$ MDZ013-222000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 138 PM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 62 71 61 71 Temp 71 72 67 63 63 63 62 67 70 69 66 64 63 62 62 66 69 70 68 Dewpt 61 61 64 63 60 60 61 61 61 62 62 61 60 60 61 63 63 64 63 RH 71 68 90100 90 90 97 81 73 78 87 90 90 93 97 90 81 81 84 Wind dir E E E SE SE E E SE SE E SE E E E E E E E E Wind spd 5 3 2 3 3 3 4 6 6 6 5 5 5 5 5 8 8 9 8 Clouds B1 B1 B1 B1 OV B2 B2 B2 OV B2 OV OV OV OV OV OV OV OV OV PoP 12hr 10 5 40 40 50 QPF 12hr 0 0 0.02 0.07 0.02 Snow 12hr 00-00 00-00 00-00 Drizzle O AR AR AR AR AR AR AR AR AR AR O Rain shwrs Coast Flood W W W W W W W W W W W W W Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 73 66 79 64 77 62 76 Temp 64 65 72 71 67 68 77 72 66 65 75 69 63 62 74 68 Dewpt 63 65 69 68 67 68 68 67 63 62 62 62 59 60 61 60 PWind dir SE SE S SW NE NE NE E Wind char LT GN LT LT LT LT LT GN Avg clouds OV OV OV OV B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 60 50 50 20 20 20 20 20 Drizzle O Rain shwrs L L L L C C S S S S S Tstms S S S S $$ MDZ011-222000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 138 PM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 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 65 74 64 73 Temp 72 73 69 68 65 66 65 69 72 72 68 68 66 66 65 68 71 72 70 Dewpt 61 61 62 61 60 59 59 58 58 59 59 59 59 59 60 61 61 62 61 RH 68 66 78 78 84 78 81 68 61 64 73 73 78 78 84 78 71 71 73 Wind dir E E E SE SE SE E SE SE SE SE E E E E E E E E Wind spd 4 3 2 3 2 2 4 6 8 6 5 5 4 5 5 8 9 9 8 Clouds B1 B1 B1 B1 B2 B2 B1 B2 B2 B2 OV OV OV OV OV B2 OV B2 OV PoP 12hr 10 5 40 40 50 QPF 12hr 0 0 0.02 0.05 0.02 Snow 12hr 00-00 00-00 00-00 Drizzle O AR AR AR AR AR AR AR AR AR AR O Rain shwrs Coast Flood Y Y Y Y Y Y Y Y Y Y Y Y Y Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 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 76 69 82 67 80 65 79 Temp 67 67 75 71 70 71 79 73 70 68 78 71 68 66 77 69 Dewpt 63 64 67 67 66 66 66 65 63 60 60 60 59 58 60 58 PWind dir SE SE S SW N NE NE E Wind char LT GN LT LT LT GN LT GN Avg clouds OV OV OV OV OV B2 B2 B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 60 50 50 20 20 20 20 20 Drizzle O Rain shwrs L L L L C C S S S S Tstms S S S S $$ WVZ052-222000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 138 PM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 60 67 59 67 Temp 69 71 66 62 63 61 62 63 65 66 64 62 62 60 60 62 64 67 64 Dewpt 63 63 64 62 63 61 61 61 62 62 62 62 62 60 60 62 63 63 63 RH 81 76 93100100100 97 93 90 87 93100100100100100 97 87 97 Wind dir SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE Wind spd 5 5 4 3 4 6 9 10 10 10 5 5 6 9 8 10 10 10 6 Clouds OV B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 OV OV OV PoP 12hr 20 10 70 90 80 QPF 12hr 0 0 0.12 0.10 0.16 Snow 12hr 00-00 00-00 00-00 Drizzle O O O D O O Rain shwrs C C L L D D D Tstms S S S S S Obvis PF Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 70 61 77 59 75 57 73 Temp 62 61 68 66 64 63 74 69 62 61 72 67 60 59 70 64 Dewpt 62 61 67 66 64 63 66 64 61 60 61 60 59 58 60 59 PWind dir SE SE SE NW NE NE NE NE Wind char LT LT LT LT LT GN LT GN Avg clouds OV OV B2 B2 B2 B2 B1 B1 B1 B2 B1 B1 B1 SC SC SC PoP 12hr 80 60 50 30 20 30 30 30 Rain shwrs D D D D L C C C S S C C S S S S Tstms S S S S S $$ VAZ506-222000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 138 PM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 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 62 72 61 70 Temp 71 72 68 64 64 63 62 66 70 70 67 65 63 62 62 65 69 70 68 Dewpt 64 63 66 64 64 62 62 63 64 64 63 63 62 61 62 65 66 65 64 RH 79 73 93100100 97100 90 81 81 87 93 97 97100100 90 84 87 Wind dir E E SE SE SE SE SE SE SE SE SE SE SE SE E SE SE SE SE Wind spd 4 5 2 2 4 5 5 8 6 6 5 5 5 5 5 8 8 8 5 Clouds OV B2 B1 B1 OV OV B2 B2 OV B2 OV OV OV OV OV OV OV OV OV PoP 12hr 10 5 50 80 50 QPF 12hr 0 0 0.05 0.05 0.02 Snow 12hr 00-00 00-00 00-00 Drizzle O AR AR AR O D AR AR AR AR AR AR O Rain shwrs Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 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 73 65 79 64 76 61 75 Temp 65 65 71 71 68 67 76 72 66 64 74 70 63 61 73 68 Dewpt 65 65 70 69 67 67 69 67 64 62 63 62 61 60 62 60 PWind dir SE SE SE N NE NE NE NE Wind char LT LT LT LT LT LT LT GN Avg clouds OV OV OV OV B2 B2 B2 B1 B1 B2 B1 B1 B1 B1 SC SC PoP 12hr 60 60 50 30 20 30 30 30 Drizzle O Rain shwrs L L L L C C C S S S S S S S S Tstms S S S S S $$ VAZ037-222000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 138 PM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 62 73 62 70 Temp 71 72 67 65 64 63 62 66 70 72 70 67 64 63 62 65 67 69 67 Dewpt 66 66 66 65 64 63 62 63 63 63 63 64 63 62 62 62 63 64 63 RH 84 81 97100100100100 90 78 73 78 90 97 97100 90 87 84 87 Wind dir NE E E SE S S S S S S E E E E E E E E E Wind spd 5 5 4 2 2 3 4 5 5 5 3 2 3 3 3 5 5 5 3 Clouds B2 B1 B2 B2 B2 B2 B2 B2 B2 OV OV OV B2 OV B2 OV OV B2 OV PoP 12hr 10 20 50 80 70 QPF 12hr 0 0.01 0.01 0.06 0.08 Snow 12hr 00-00 00-00 00-00 Drizzle O AR AR AR AR O D AR AR AR AR Rain shwrs L L L Tstms S S Obvis PF PF PF Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 73 64 78 64 75 62 75 Temp 63 62 70 69 66 65 76 70 66 64 73 69 64 62 73 67 Dewpt 63 62 67 67 66 65 67 66 65 64 63 62 61 60 61 60 PWind dir E SE S SE NE NE NE NE Wind char LT LT LT LT LT LT LT LT Avg clouds OV B2 OV B2 B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 B1 SC PoP 12hr 70 50 40 30 30 30 30 30 Rain shwrs L L C C C C C C S S S S C C C C Tstms S S S S S S $$ MDZ003-222000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 138 PM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 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 68 60 67 Temp 71 71 69 64 64 63 62 64 67 67 66 64 62 61 60 63 65 67 65 Dewpt 62 62 66 64 63 62 61 62 64 64 63 62 62 60 60 63 64 64 63 RH 73 73 90100 97 97 97 93 90 90 90 93100 97100100 97 90 93 Wind dir S SE SE SE SE SE SE SE SE SE E SE SE SE E SE SE SE SE Wind spd 4 4 3 2 4 6 6 9 9 8 5 5 5 6 5 8 8 9 6 Clouds OV B2 B2 B2 OV OV OV OV B2 OV OV OV OV OV OV OV B2 OV OV PoP 12hr 20 10 70 80 70 QPF 12hr 0 0 0.13 0.09 0.13 Snow 12hr 00-00 00-00 00-00 Drizzle AR O O D O O Rain shwrs L L L L L L D Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 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 71 64 77 61 75 58 74 Temp 63 63 70 69 65 65 75 70 63 61 73 67 61 59 72 66 Dewpt 63 63 69 67 65 65 67 64 62 60 62 60 58 57 61 60 PWind dir SE SE SE W NE NE NE E Wind char LT LT LT LT LT LT LT GN Avg clouds OV OV B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 80 60 50 20 20 20 30 30 Rain shwrs D D D L L C C S S S S S S S Tstms S S S S $$ MDZ017-222000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 138 PM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 72 63 76 65 76 Temp 72 71 68 64 63 63 65 70 74 75 70 66 66 65 67 70 74 75 71 Dewpt 63 63 62 60 60 59 60 60 59 60 60 60 60 60 62 63 63 63 63 RH 73 76 81 87 90 87 84 71 59 60 71 81 81 84 84 78 69 66 76 Wind dir E E SE E E E E E SE SE SE E E E E E E E E Wind spd 6 4 5 5 4 4 5 6 6 8 8 8 6 5 6 8 9 10 10 Clouds B2 B2 B1 SC SC B1 B1 B1 B1 SC B2 B2 B2 OV B2 B2 B2 B2 B2 PoP 12hr 10 0 20 30 40 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle O O O AR O AR AR AR AR AR Rain shwrs Coast Flood Y Y Y Y Y Y Y Y Y Y Y Y Y Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 78 69 80 67 78 65 78 Temp 68 70 77 74 70 71 79 73 70 69 75 71 67 67 75 69 Dewpt 65 67 68 67 68 69 69 67 66 65 63 62 62 62 61 60 PWind dir SE SE S S E NE NE NE Wind char GN GN LT LT LT GN GN GN Avg clouds B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 SC SC PoP 12hr 40 30 30 20 20 20 20 20 Drizzle AR AR Rain shwrs C C L C C C S S S S S S S S Tstms S S S S $$ WVZ502-222000- Petersburg WV 38.99N 79.15W Elev. 963 ft 138 PM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 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 61 78 60 74 Temp 74 74 67 63 62 61 62 71 75 77 71 65 63 61 61 67 72 74 70 Dewpt 63 62 64 63 62 61 62 64 66 65 65 65 63 61 61 63 63 63 63 RH 69 66 90100100100100 79 74 67 81100100100100 87 73 69 78 Wind dir E E E SE SE E SE S S SE E SE SE SE SE SE SE SE SE Wind spd 3 4 3 3 3 4 4 5 5 5 3 2 2 2 2 4 5 6 5 Clouds B1 SC B2 OV OV B2 B2 B2 B1 B2 B1 OV OV OV B2 OV B2 B2 B2 PoP 12hr 10 30 70 70 90 QPF 12hr 0 0.01 0.24 0.16 0.17 Snow 12hr 00-00 00-00 00-00 Drizzle AR O O O O AR O AR O O Rain shwrs L L C C D D L Tstms S S C S S S S S S C Obvis PF PF PF Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 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 60 78 59 82 58 78 56 78 Temp 63 62 76 72 63 61 79 71 62 58 75 68 60 56 75 67 Dewpt 63 62 65 65 63 61 63 62 60 58 60 60 59 56 58 58 PWind dir SE S SW SE NE E E E Wind char LT LT LT LT LT LT LT LT Avg clouds OV OV B2 B2 B2 B2 B1 B1 B1 B2 B1 B1 B1 B2 B1 SC PoP 12hr 70 60 30 20 20 30 30 30 Rain shwrs L L C D L C C C C S C C C C C C Tstms C S S S S $$ MDZ014-222000- Annapolis MD 38.99N 76.49W Elev. 7 ft 138 PM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 64 72 64 70 Temp 72 74 71 68 66 66 64 68 71 71 69 67 66 65 65 67 68 70 68 Dewpt 62 61 63 61 61 61 60 59 59 60 60 60 60 61 61 62 63 63 63 RH 71 64 76 78 84 84 87 73 66 68 73 78 81 87 87 84 84 78 84 Wind dir E NE E SE SE E E E SE SE SE E E E E E E E E Wind spd 5 3 2 5 3 3 5 8 8 9 8 8 5 5 6 10 10 10 10 Clouds B1 B1 B1 SC B2 B2 B1 B2 B2 B2 OV B2 OV OV B2 B2 OV B2 B2 PoP 12hr 10 5 30 40 50 QPF 12hr 0 0 0 0.03 0.01 Snow 12hr 00-00 00-00 00-00 Drizzle O AR AR AR AR AR AR AR AR AR AR AR Rain shwrs Coast Flood W W W W W W W W W W W W W Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 73 68 77 67 75 65 74 Temp 66 67 72 71 70 70 76 73 69 68 74 70 67 66 73 69 Dewpt 64 66 68 67 68 68 68 67 65 63 62 62 61 61 61 60 PWind dir SE SE S SW NE NE NE NE Wind char GN GN LT LT LT GN LT GN Avg clouds B2 OV OV OV B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 60 50 40 20 20 20 20 20 Drizzle AR Rain shwrs L L L L C C S S S S S S Tstms S S S S $$