Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
440 FOUS51 KLWX 150837 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 337 AM EST Fri Nov 15 2024 VAZ054-152100- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 337 AM EST Fri Nov 15 2024 Date Fri 11/15/24 Sat 11/16/24 Sun 11/17/24 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 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 60 48 63 42 63 Temp 47 48 50 53 55 53 53 52 51 50 56 61 61 56 51 47 45 42 51 59 60 54 Dewpt 45 45 44 44 45 45 45 45 44 43 42 41 40 39 39 39 38 38 38 39 39 40 RH 93 89 80 71 69 74 74 77 77 77 59 48 46 53 63 74 76 86 61 47 46 59 Wind dir NE N N NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW W W SW Wind spd 9 8 6 10 12 9 13 13 14 14 18 20 14 12 9 9 8 6 6 6 5 5 Clouds OV OV B2 OV B1 B1 SC SC SC SC FW CL CL CL FW CL FW SC SC SC B1 B1 PoP 12hr 20 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain L S Date Mon 11/18/24 Tue 11/19/24 Wed 11/20/24 Thu 11/21/24 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 69 46 64 50 65 49 59 Temp 49 48 66 59 52 46 61 58 53 50 63 58 54 49 57 54 Dewpt 41 41 46 44 41 39 39 43 46 46 49 49 48 46 44 38 PWind dir W NW NW W S N N W Wind char LT GN LT LT LT GN GN GN Avg clouds B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B2 B1 B1 PoP 12hr 0 0 0 10 20 20 40 30 Rain shwrs S S C C C C $$ MDZ013-152100- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 337 AM EST Fri Nov 15 2024 Date Fri 11/15/24 Sat 11/16/24 Sun 11/17/24 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 58 45 61 38 62 Temp 45 45 48 53 55 49 47 47 46 46 54 60 60 51 46 43 40 38 51 60 60 51 Dewpt 42 42 43 44 46 46 45 44 43 42 43 42 41 39 38 38 37 37 39 38 39 41 RH 89 89 83 71 72 89 93 89 89 86 66 51 49 63 73 82 89 96 63 44 46 68 Wind dir NE N N NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW W W SW Wind spd 6 5 4 11 14 11 13 14 16 16 18 20 16 9 9 6 6 5 5 4 4 4 Clouds OV OV B2 B2 SC B1 FW FW FW SC CL CL CL CL FW CL FW SC SC B1 B1 B1 PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain L Coast Flood Y Y Y Y Y Y Date Mon 11/18/24 Tue 11/19/24 Wed 11/20/24 Thu 11/21/24 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 43 68 42 61 46 63 45 57 Temp 44 44 65 55 46 42 58 54 48 47 61 53 50 46 55 48 Dewpt 41 41 47 44 40 39 40 43 45 46 49 50 47 45 46 39 PWind dir W W NW W SW NE N W Wind char LT GN LT LT LT LT GN GN Avg clouds B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B2 B2 B1 PoP 12hr 0 0 0 10 20 20 40 30 Rain shwrs S S S C C C C $$ MDZ011-152100- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 337 AM EST Fri Nov 15 2024 Date Fri 11/15/24 Sat 11/16/24 Sun 11/17/24 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 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 60 48 63 43 64 Temp 45 46 50 55 56 53 53 52 51 48 57 62 62 56 52 49 46 43 54 61 61 55 Dewpt 41 41 40 42 43 43 44 43 42 41 40 39 38 37 37 37 37 36 36 36 37 39 RH 86 83 68 61 62 69 71 71 71 77 53 43 41 49 56 63 71 76 50 39 41 55 Wind dir NE N N NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW W W W Wind spd 5 5 4 10 14 11 14 14 16 17 18 20 16 10 9 6 6 5 5 4 4 4 Clouds OV OV B1 B2 SC B1 FW FW FW SC CL CL CL CL FW CL FW SC SC B1 B1 B1 PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain C Date Mon 11/18/24 Tue 11/19/24 Wed 11/20/24 Thu 11/21/24 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 69 45 63 48 65 48 59 Temp 50 48 67 59 52 45 60 57 53 48 63 58 54 48 57 52 Dewpt 41 41 44 43 39 39 37 40 44 44 46 46 46 44 44 38 PWind dir W W NW W S NE N W Wind char LT GN LT LT LT LT GN GN Avg clouds B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B2 B2 B1 PoP 12hr 0 0 0 10 20 20 40 30 Rain shwrs S S S C C C C $$ WVZ052-152100- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 337 AM EST Fri Nov 15 2024 Date Fri 11/15/24 Sat 11/16/24 Sun 11/17/24 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 59 43 60 32 61 Temp 44 43 46 52 54 49 49 47 46 45 52 58 58 48 43 40 36 33 47 58 60 49 Dewpt 42 42 43 44 45 44 44 44 43 41 42 40 38 37 37 36 34 33 38 38 38 38 RH 93 96 89 74 71 83 83 89 89 86 69 51 47 65 79 85 92100 71 47 44 66 Wind dir NE N NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW W NW SW S S Wind spd 3 3 3 10 11 10 13 14 13 14 18 20 16 8 5 4 3 2 2 3 2 3 Clouds OV OV OV B2 B1 B1 SC B1 SC SC FW CL CL FW FW FW FW SC SC B1 B1 B1 PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain L Date Mon 11/18/24 Tue 11/19/24 Wed 11/20/24 Thu 11/21/24 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 40 66 38 60 43 63 41 54 Temp 43 44 64 54 45 39 57 54 47 45 61 54 47 42 52 47 Dewpt 37 40 45 42 39 37 40 42 44 43 47 46 45 42 38 35 PWind dir W W NW SE SW SW SW W Wind char LT GN LT LT LT LT GN GN Avg clouds B1 B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 PoP 12hr 0 0 5 10 20 30 40 40 Rain shwrs S S S C C C C C $$ VAZ506-152100- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 337 AM EST Fri Nov 15 2024 Date Fri 11/15/24 Sat 11/16/24 Sun 11/17/24 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 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 57 46 60 36 60 Temp 46 46 47 52 54 49 49 48 48 47 54 59 59 51 46 43 39 37 50 59 60 51 Dewpt 45 45 46 48 48 47 47 46 45 43 45 44 43 40 40 38 38 36 40 41 42 42 RH 96 96 96 86 80 93 93 93 89 86 71 57 55 66 79 82 96 96 68 51 51 71 Wind dir NE N N NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW W SW S Wind spd 5 4 4 10 12 10 13 16 16 16 19 20 16 9 8 6 5 4 4 3 3 3 Clouds OV OV B2 OV B2 B1 SC SC SC SC FW CL CL FW FW FW FW SC SC SC B1 B1 PoP 12hr 20 0 0 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain L S Date Mon 11/18/24 Tue 11/19/24 Wed 11/20/24 Thu 11/21/24 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 40 68 40 62 46 65 44 56 Temp 43 43 66 55 46 40 59 55 49 47 62 57 50 45 54 48 Dewpt 41 40 48 46 42 39 43 45 47 47 52 51 48 45 44 38 PWind dir W NW NW S S E NW NW Wind char LT GN LT LT LT LT GN GN Avg clouds B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B2 B1 B1 PoP 12hr 0 0 0 10 20 20 40 30 Rain shwrs S S S C C C C $$ VAZ037-152100- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 337 AM EST Fri Nov 15 2024 Date Fri 11/15/24 Sat 11/16/24 Sun 11/17/24 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 61 43 62 36 64 Temp 44 44 49 56 57 52 49 47 46 44 54 62 62 51 46 42 38 36 51 61 62 53 Dewpt 43 44 45 45 44 44 44 42 41 40 42 40 39 39 38 36 35 34 38 39 41 40 RH 96100 86 66 62 74 83 83 83 86 64 44 43 63 73 79 89 92 61 44 46 61 Wind dir N N N NW N NW NW NW NW NW NW NW NW NW NW NW W W SW S S SW Wind spd 3 4 3 8 10 8 10 10 10 10 11 16 10 4 4 3 3 2 2 4 3 3 Clouds OV OV B2 B1 B1 B1 FW SC FW FW CL CL CL CL CL CL FW SC SC SC SC SC PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain C Date Mon 11/18/24 Tue 11/19/24 Wed 11/20/24 Thu 11/21/24 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 42 70 43 64 48 68 45 58 Temp 45 44 67 57 49 43 61 58 53 50 66 58 51 46 56 50 Dewpt 38 38 46 45 43 41 43 46 48 48 50 49 49 45 39 37 PWind dir W W N S SW SW W W Wind char LT LT LT LT LT LT LT GN Avg clouds SC B1 SC SC SC B1 B1 B1 B1 B1 B1 SC B1 B1 B1 SC PoP 12hr 0 0 0 20 20 30 40 30 Rain shwrs S S S S C C C C C $$ MDZ003-152100- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 337 AM EST Fri Nov 15 2024 Date Fri 11/15/24 Sat 11/16/24 Sun 11/17/24 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 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 57 44 59 33 60 Temp 44 42 46 51 54 49 47 47 46 45 52 58 58 48 43 41 37 35 48 57 57 48 Dewpt 41 42 44 47 47 46 46 44 43 41 44 42 40 38 37 37 35 34 39 39 40 39 RH 89100 93 86 77 89 96 89 89 86 74 55 51 68 79 85 92 96 71 51 53 71 Wind dir NE N NW NW NW NW NW NW NW NW NW NW NW NW NW NW N N NW W SW S Wind spd 4 3 3 9 12 11 13 14 14 14 18 20 16 8 5 4 3 3 3 3 3 3 Clouds OV OV OV B2 B2 B1 SC B1 SC B1 FW FW CL FW FW FW FW SC SC B1 B1 B1 PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain L Date Mon 11/18/24 Tue 11/19/24 Wed 11/20/24 Thu 11/21/24 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 41 65 38 59 44 63 41 53 Temp 43 43 63 52 44 39 57 53 48 46 61 54 48 42 50 46 Dewpt 38 41 46 42 39 37 40 41 44 44 49 47 46 42 39 36 PWind dir SW W NW SE SE W E W Wind char LT GN LT LT LT LT LT GN Avg clouds B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 PoP 12hr 0 0 5 10 30 20 40 40 Rain shwrs C S S C C C C $$ MDZ017-152100- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 337 AM EST Fri Nov 15 2024 Date Fri 11/15/24 Sat 11/16/24 Sun 11/17/24 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 57 48 61 44 61 Temp 50 50 52 55 55 51 50 50 49 50 56 61 61 54 51 48 46 45 54 59 59 52 Dewpt 48 47 46 46 46 46 46 45 45 44 44 44 44 42 42 40 39 41 41 41 42 44 RH 93 89 80 72 72 83 86 83 86 80 64 53 53 64 71 74 76 86 61 51 53 74 Wind dir NE NE N N NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW W SW Wind spd 12 12 10 13 16 14 18 19 20 20 20 23 17 13 13 12 11 10 8 5 5 6 Clouds OV OV OV B2 B1 B1 FW SC FW SC FW FW CL CL CL CL CL FW SC SC SC SC PoP 12hr 30 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain L C Date Mon 11/18/24 Tue 11/19/24 Wed 11/20/24 Thu 11/21/24 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 68 47 63 51 66 49 62 Temp 50 49 65 57 52 48 62 54 53 53 64 57 53 52 60 53 Dewpt 44 45 49 48 44 43 43 47 48 51 52 54 51 48 48 42 PWind dir W W NW NW S S SE W Wind char LT GN LT LT LT LT GN GN Avg clouds B1 SC SC FW SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 0 0 0 5 10 20 30 20 Rain shwrs S C C S S $$ WVZ502-152100- Petersburg WV 38.99N 79.15W Elev. 963 ft 337 AM EST Fri Nov 15 2024 Date Fri 11/15/24 Sat 11/16/24 Sun 11/17/24 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 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 59 38 59 30 67 Temp 42 42 46 56 57 51 47 44 41 40 49 58 58 46 39 35 32 30 47 63 64 51 Dewpt 40 39 45 47 46 47 44 42 40 40 43 42 40 39 38 35 31 28 34 35 39 37 RH 93 89 96 72 67 86 89 93 96100 80 55 51 76 96100 96 92 60 35 40 59 Wind dir N NW W NW NW NW NW NW NW NW NW NW NW NW W W W W W W W SW Wind spd 2 1 2 9 11 8 10 10 10 10 11 14 10 3 3 3 3 2 1 2 1 3 Clouds OV B2 B2 B1 B2 B2 B1 B1 B1 B1 FW CL FW FW FW FW SC B1 SC SC SC B1 PoP 12hr 20 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain C S Date Mon 11/18/24 Tue 11/19/24 Wed 11/20/24 Thu 11/21/24 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 40 65 38 66 46 67 39 54 Temp 42 41 62 52 43 39 63 57 49 47 65 55 47 40 53 45 Dewpt 35 41 46 45 41 38 46 48 49 47 51 49 45 40 38 36 PWind dir W W W S SW SW W W Wind char LT LT LT LT LT LT LT GN Avg clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B2 B1 B1 PoP 12hr 0 5 5 30 30 30 40 40 Rain shwrs S C C C C C C C C C $$ MDZ014-152100- Annapolis MD 38.99N 76.49W Elev. 7 ft 337 AM EST Fri Nov 15 2024 Date Fri 11/15/24 Sat 11/16/24 Sun 11/17/24 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 57 48 60 43 60 Temp 47 47 49 52 53 51 50 50 50 48 54 59 59 53 50 48 45 43 51 58 58 53 Dewpt 45 44 42 42 44 46 46 45 44 43 42 42 41 41 41 40 39 40 39 40 41 43 RH 93 89 77 69 71 83 86 83 80 83 64 53 51 64 71 74 79 89 63 51 53 69 Wind dir NE NE N NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW W W SW Wind spd 10 9 6 11 16 12 16 17 18 18 19 21 17 11 10 9 9 6 6 5 5 5 Clouds OV OV B2 B1 SC B1 FW FW FW SC CL CL CL CL FW CL FW FW SC B1 B1 B1 PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain L Coast Flood Y Y Y Y Y Y Date Mon 11/18/24 Tue 11/19/24 Wed 11/20/24 Thu 11/21/24 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 66 46 60 49 62 47 57 Temp 50 49 64 57 51 46 57 55 52 49 59 56 53 47 56 51 Dewpt 44 43 47 46 43 42 40 44 48 48 49 50 49 46 46 42 PWind dir W W NW W S NE NE W Wind char LT GN LT LT LT LT GN GN Avg clouds B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 0 0 0 10 10 20 40 30 Rain shwrs S C C C C $$