Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
299 FOUS51 KLWX 300538 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 138 AM EDT Mon Sep 30 2024 VAZ054-302000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 138 AM EDT Mon Sep 30 2024 Date Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 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 70 64 76 Temp 68 67 68 70 70 68 68 67 67 65 67 68 68 67 66 65 64 64 69 72 73 69 Dewpt 64 63 63 64 64 63 63 63 62 62 62 62 62 61 61 61 60 61 62 62 62 61 RH 87 87 84 81 81 84 84 87 84 90 84 81 81 81 84 87 87 90 78 71 68 76 Wind dir NE NE NE NE NE E NE NE NE NE NE NE NE NE NE NE NE NE NE N N NE Wind spd 10 10 10 10 10 9 9 9 10 11 11 10 9 8 8 6 6 5 5 5 5 6 Clouds OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B2 B2 B2 B1 SC PoP 12hr 50 60 60 10 10 QPF 12hr 0.03 0.06 0.18 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C L C C C L L C C Tstms S Obvis PF PF PF PF PF PF Date Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 Sun 10/06/24 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 79 62 80 63 76 57 73 Temp 64 62 77 73 66 63 78 72 68 63 75 70 62 58 72 67 Dewpt 60 57 57 59 59 59 61 61 61 59 55 52 50 49 49 50 PWind dir N NW S S SW NW N NE Wind char LT LT LT LT LT GN LT GN Avg clouds SC SC SC FW FW SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 5 0 0 5 10 5 5 5 $$ MDZ013-302000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 138 AM EDT Mon Sep 30 2024 Date Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 61 68 60 73 Temp 64 63 66 69 69 67 65 63 63 62 65 66 67 64 62 62 61 61 66 70 70 66 Dewpt 63 63 64 64 65 64 62 61 61 62 62 62 62 62 61 61 60 61 63 63 64 63 RH 97100 93 84 87 90 90 93 93100 90 87 84 93 97 97 97100 90 78 81 90 Wind dir NE NE NE NE NE E E NE NE NE NE NE NE NE NE NE NE NE NE N N NE Wind spd 10 10 10 10 10 10 11 10 11 11 11 11 11 9 9 6 8 6 4 5 5 3 Clouds OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 SC PoP 12hr 40 60 50 10 10 QPF 12hr 0.01 0.04 0.19 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C L C C C C C C C Obvis PF PF PF PF PF PF PF PF Coast Flood Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 Sun 10/06/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 77 59 77 60 74 53 71 Temp 61 59 75 69 60 60 76 69 64 60 74 64 57 55 70 63 Dewpt 60 58 59 61 59 59 61 62 61 60 58 54 48 49 49 51 PWind dir NW NW SW S SW NW N E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW SC SC SC SC SC FW FW FW FW FW PoP 12hr 5 0 0 5 10 5 5 5 $$ MDZ011-302000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 138 AM EDT Mon Sep 30 2024 Date Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 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 63 71 63 75 Temp 67 65 69 70 71 69 68 66 66 63 67 69 70 67 67 65 64 63 68 72 72 68 Dewpt 62 61 62 63 62 62 61 60 60 60 60 60 60 60 60 60 60 60 61 61 62 61 RH 84 87 78 78 73 78 78 81 81 90 78 73 71 78 78 84 87 90 78 68 71 78 Wind dir NE NE NE NE NE E E NE NE NE NE NE NE NE NE NE NE NE NE N N NE Wind spd 10 10 10 10 9 10 10 10 11 11 11 10 10 9 9 6 8 5 4 5 5 3 Clouds OV OV B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 SC PoP 12hr 40 50 40 10 10 QPF 12hr 0 0.03 0.19 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C C C C C C Obvis PF PF Date Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 Sun 10/06/24 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 79 62 80 63 77 56 74 Temp 64 61 78 73 66 62 79 73 69 63 77 70 62 56 73 68 Dewpt 60 57 57 59 58 58 59 60 60 58 55 52 48 47 48 49 PWind dir NW NW SW SE SW NW N E Wind char LT LT LT LT LT LT LT GN Avg clouds SC SC SC FW FW FW SC SC SC SC SC FW FW FW FW FW PoP 12hr 5 0 0 5 10 5 5 5 $$ WVZ052-302000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 138 AM EDT Mon Sep 30 2024 Date Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 65 58 63 57 71 Temp 62 61 62 64 65 63 62 62 60 59 60 62 63 61 59 59 59 59 63 68 69 62 Dewpt 62 61 62 63 63 62 62 61 59 59 59 61 60 60 59 59 58 59 61 62 61 58 RH 100100100 97 93 97100 97 96100 96 97 90 97100100 96100 93 81 76 87 Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE E NE E NE SE SW NW N N Wind spd 8 8 9 9 9 6 6 8 8 8 9 6 8 5 5 4 3 4 3 5 5 3 Clouds OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 OV B2 OV OV B2 B1 SC FW PoP 12hr 90 80 60 20 20 QPF 12hr 0.19 0.16 0.16 0.01 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs D D D D D D D D L L L C C S S S S S S Tstms S Obvis PF PF PF PF PF PF PF PF PF Date Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 Sun 10/06/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 74 54 75 55 71 48 69 Temp 54 54 72 64 56 55 74 66 58 57 70 61 53 51 67 59 Dewpt 54 52 55 58 55 54 59 60 58 55 54 51 48 46 49 50 PWind dir NW SW SW S W NW NW SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW SC FW SC SC FW FW FW FW FW FW PoP 12hr 0 0 0 10 10 5 5 5 $$ VAZ506-302000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 138 AM EDT Mon Sep 30 2024 Date Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 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 61 67 60 74 Temp 65 64 66 67 68 66 65 64 62 62 64 66 66 64 63 62 61 62 66 70 71 66 Dewpt 65 64 66 67 66 65 64 63 62 62 64 65 64 63 63 62 61 61 65 66 65 63 RH 100100100100 93 97 97 97100100100 97 93 97100100100 97 97 87 81 90 Wind dir NE NE NE NE NE NE E NE NE NE NE NE NE NE NE NE N NE N NW N N Wind spd 9 9 10 10 9 9 8 8 9 9 10 9 9 6 6 5 5 5 4 4 5 4 Clouds OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 SC SC PoP 12hr 70 70 60 10 20 QPF 12hr 0.07 0.12 0.30 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L L L L L L C L L L C C S S S S Tstms S S Obvis PF PF PF PF PF PF PF PF PF Date Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 Sun 10/06/24 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 57 77 57 79 58 74 50 71 Temp 59 58 75 69 61 58 78 69 64 58 74 65 55 51 69 63 Dewpt 59 56 60 62 59 58 63 63 62 58 58 54 50 48 52 52 PWind dir N NW S S SW NW N NE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW SC SC SC SC SC FW FW FW FW FW FW PoP 12hr 5 0 0 5 10 5 5 5 $$ VAZ037-302000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 138 AM EDT Mon Sep 30 2024 Date Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 69 62 67 59 75 Temp 65 65 66 67 67 65 64 64 63 62 64 66 66 63 62 61 61 60 68 72 73 66 Dewpt 65 65 65 66 65 64 64 63 63 62 62 62 62 61 61 61 60 60 62 63 63 62 RH 100100 97 97 93 97100 97100100 93 87 87 93 97100 97100 81 73 71 87 Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE NE N N N W NE SE E NE Wind spd 9 9 9 8 9 8 8 8 8 8 6 8 8 6 5 4 4 4 2 3 4 3 Clouds OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 SC SC SC PoP 12hr 80 90 70 10 30 QPF 12hr 0.43 0.31 0.14 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L L D L L D D D L L C C C C C C Tstms S S S S S S Obvis PF PF PF PF PF PF PF PF PF Flood A Date Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 Sun 10/06/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 77 58 77 59 75 50 71 Temp 60 59 76 69 61 59 76 70 64 60 75 65 55 51 70 62 Dewpt 59 57 59 60 58 58 63 63 60 59 56 53 50 49 49 51 PWind dir N SE N S W N N E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW SC SC SC SC FW FW FW FW FW CL PoP 12hr 5 5 0 5 5 10 5 5 $$ MDZ003-302000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 138 AM EDT Mon Sep 30 2024 Date Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 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 67 59 65 59 71 Temp 62 62 64 66 67 65 63 62 60 59 62 64 65 63 61 61 60 60 64 68 69 63 Dewpt 62 62 63 64 64 64 62 61 59 59 61 62 62 61 60 61 60 60 62 64 63 60 RH 100100 97 93 90 97 97 97 96100 97 93 90 93 97100100100 93 87 81 90 Wind dir NE NE NE NE NE NE NE E NE NE E E NE E E E NE SE SW W NW N Wind spd 9 9 9 9 9 6 8 8 9 9 10 8 8 6 6 5 4 4 3 4 5 3 Clouds OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 OV OV OV B2 B2 B2 SC SC PoP 12hr 80 80 50 20 20 QPF 12hr 0.12 0.09 0.11 0.01 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D D D D D L L L C C C C S S S S S S Obvis PF PF PF PF PF PF PF PF PF Date Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 Sun 10/06/24 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 52 75 55 77 55 72 48 69 Temp 55 55 73 66 58 56 76 69 60 57 71 62 53 49 67 59 Dewpt 55 53 58 59 55 55 60 61 58 56 55 52 48 46 50 51 PWind dir NW W SE S SW NW N SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC FW FW SC SC FW FW FW FW FW FW PoP 12hr 0 0 0 5 10 5 5 5 $$ MDZ017-302000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 138 AM EDT Mon Sep 30 2024 Date Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 66 73 64 76 Temp 68 69 72 73 73 69 67 67 67 67 70 71 70 67 65 65 64 66 70 73 74 69 Dewpt 66 66 66 66 66 64 64 64 64 65 65 65 65 63 63 63 63 64 64 63 63 63 RH 93 90 81 79 79 84 90 90 90 93 84 81 84 87 93 93 97 93 81 71 69 81 Wind dir NE NE NE NE NE NE E NE NE NE E NE NE NE NE NE N NE N N N NE Wind spd 13 13 11 11 14 14 13 13 13 14 14 13 14 13 12 9 10 8 6 6 6 5 Clouds OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 40 50 60 10 0 QPF 12hr 0.02 0.05 0.21 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C C C L L C C Tstms S S S S Obvis PF Coast Flood Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 Sun 10/06/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 78 64 79 64 76 58 73 Temp 65 65 76 71 64 65 79 71 66 65 76 67 61 60 72 63 Dewpt 62 62 61 61 61 63 62 62 63 63 60 56 52 52 50 51 PWind dir NE N S SE SW N N NE Wind char LT LT LT LT LT GN LT GN Avg clouds SC SC FW FW CL FW SC SC SC SC SC FW FW FW FW FW PoP 12hr 0 0 0 5 5 5 5 5 $$ WVZ502-302000- Petersburg WV 38.99N 79.15W Elev. 963 ft 138 AM EDT Mon Sep 30 2024 Date Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 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 69 57 78 Temp 62 62 64 67 68 65 63 62 60 59 62 66 68 65 62 61 59 59 68 75 74 64 Dewpt 62 62 62 63 62 61 62 62 60 59 61 61 60 61 61 61 59 59 62 61 58 56 RH 100100 93 87 81 87 97100100100 97 84 76 87 97100100100 81 62 57 75 Wind dir NE NE NE NE NE NE NE NE NE NE NE E E E SE S W W NW NW NW N Wind spd 6 6 6 6 6 5 5 5 5 5 5 4 5 4 4 4 4 4 2 5 5 3 Clouds OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 OV B2 B2 B1 B1 SC FW FW PoP 12hr 90 90 70 40 20 QPF 12hr 0.50 0.26 0.08 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D D D D D D D D D L L C C C C S S S S S S Tstms S Obvis PF PF PF PF PF PF PF PF PF Flood A Date Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 Sun 10/06/24 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 51 80 53 82 52 75 46 75 Temp 54 53 77 68 58 55 81 69 58 53 74 62 52 48 74 63 Dewpt 54 51 55 57 53 52 58 59 56 53 51 48 46 44 47 49 PWind dir W S SW SW W NW W S Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW SC FW FW FW FW CL CL PoP 12hr 0 0 0 5 5 5 5 5 $$ MDZ014-302000- Annapolis MD 38.99N 76.49W Elev. 7 ft 138 AM EDT Mon Sep 30 2024 Date Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 64 68 63 72 Temp 67 66 67 69 70 68 67 66 66 65 66 67 68 66 65 65 64 64 68 69 70 68 Dewpt 65 64 63 64 64 64 63 63 62 62 62 62 62 62 62 62 62 62 62 63 62 62 RH 93 93 87 84 81 87 87 90 87 90 87 84 81 87 90 90 93 93 81 81 76 81 Wind dir NE NE NE NE NE E E NE NE NE NE NE NE NE NE NE NE NE NE N N NE Wind spd 12 12 11 11 12 12 12 12 13 13 14 12 13 11 11 9 9 8 5 6 5 4 Clouds OV OV OV OV OV B2 OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 SC PoP 12hr 40 60 50 10 5 QPF 12hr 0.01 0.06 0.18 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C L C C C C C C C Obvis PF PF PF PF PF PF Coast Flood Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 Sun 10/06/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 74 63 75 63 73 58 69 Temp 64 64 72 69 66 63 74 69 66 63 72 67 62 58 68 64 Dewpt 62 60 60 61 60 60 61 62 62 61 58 55 52 51 51 52 PWind dir N NE S S SW N N NE Wind char LT LT LT LT LT GN LT GN Avg clouds SC SC FW FW FW FW SC SC SC B1 SC FW FW FW FW FW PoP 12hr 5 0 0 5 10 5 5 5 $$