Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
853 FOUS51 KLWX 201137 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 737 AM EDT Sun Apr 20 2025 VAZ054-202000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 737 AM EDT Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 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 79 58 77 64 84 Temp 67 71 76 77 69 64 61 60 59 63 70 76 71 66 66 66 66 74 81 83 76 Dewpt 54 49 47 45 43 43 45 44 44 44 49 52 54 55 56 56 56 53 48 47 47 RH 63 46 36 32 39 46 56 55 57 50 47 43 55 68 70 70 70 48 32 28 36 Wind dir N N N NE E E SE SE SE SE SE SE SE S S SW W W W W NW Wind spd 10 10 8 8 9 8 6 8 9 10 12 13 11 9 8 8 8 10 10 9 6 Clouds B2 B1 SC SC B1 B1 B1 OV OV B2 B1 B1 B1 B2 B2 B1 B1 SC B1 B1 B1 PoP 12hr 0 20 10 50 20 QPF 12hr 0 0.01 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C S S S S S Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 78 57 80 59 81 63 79 Temp 64 59 74 70 59 59 77 72 61 59 76 74 66 63 76 72 Dewpt 45 41 40 44 46 47 47 47 50 53 54 57 58 55 53 52 PWind dir N NE S SE SE S SW NW Wind char LT LT LT LT LT GN GN GN Avg clouds B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 PoP 12hr 20 10 5 10 30 40 50 50 Rain shwrs S S C C S C C C C C Tstms C $$ MDZ013-202000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 737 AM EDT Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 54 70 60 81 Temp 63 66 72 73 66 61 57 55 56 59 66 70 65 62 61 62 63 71 78 80 74 Dewpt 53 48 44 42 41 43 45 43 42 42 46 52 54 55 56 56 56 53 50 47 47 RH 70 52 37 33 40 51 64 64 59 53 48 53 68 78 84 81 78 53 37 31 38 Wind dir N N N NE E E SE SE SE SE SE SE SE S S SW W W W W NW Wind spd 8 9 6 6 4 3 3 3 5 6 10 10 8 5 4 4 4 6 9 6 3 Clouds B2 SC B1 SC B1 B1 B1 B2 OV B2 B2 B1 B2 B2 B2 B1 B1 SC B1 B1 B1 PoP 12hr 0 10 5 50 20 QPF 12hr 0 0 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 74 53 76 54 77 58 75 Temp 60 55 71 66 55 55 74 68 56 56 72 70 62 60 73 69 Dewpt 45 41 42 46 47 48 47 48 50 52 55 57 58 54 53 51 PWind dir NW NE S SE SE S SW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B2 B2 B2 B1 PoP 12hr 10 10 5 5 20 40 50 50 Rain shwrs S S S C C C C C Tstms S $$ MDZ011-202000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 737 AM EDT Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 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 57 72 62 83 Temp 65 67 72 74 67 64 60 58 58 61 67 71 67 65 64 64 65 75 80 82 76 Dewpt 51 44 40 39 38 40 41 41 41 41 43 49 51 54 55 55 54 50 47 45 44 RH 60 43 31 28 34 41 49 53 53 48 42 46 56 68 73 73 68 41 31 27 32 Wind dir N N N N E E E E SE SE SE SE SE S S SW W W W W NW Wind spd 8 9 8 5 3 2 3 3 4 6 10 10 8 4 3 3 3 5 9 6 3 Clouds B2 SC B1 SC B1 B1 B2 B2 OV B2 B2 B1 B2 B2 B2 B1 B1 SC B1 SC B1 PoP 12hr 0 10 10 50 20 QPF 12hr 0 0 0 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 56 76 57 79 58 79 61 77 Temp 63 56 72 69 61 58 76 72 61 58 73 73 65 61 74 71 Dewpt 42 40 39 43 45 46 45 46 49 50 51 54 56 53 50 50 PWind dir NW NW S SE SE S SW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC SC SC SC SC B1 B1 B1 B1 B1 B2 B2 B2 B2 PoP 12hr 10 10 5 5 20 40 50 50 Rain shwrs S S S C C C C C Tstms S $$ WVZ052-202000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 737 AM EDT Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 54 75 57 79 Temp 64 64 70 72 65 61 59 56 56 61 69 74 68 64 61 59 61 70 76 78 71 Dewpt 51 47 45 44 44 41 42 45 46 47 50 52 53 55 55 54 53 48 45 43 42 RH 63 54 41 37 46 48 53 66 69 60 51 46 59 73 81 83 75 45 33 29 35 Wind dir N N N NE E E SE SE SE SE S S S S SW W W W W W NW Wind spd 10 8 6 6 5 4 5 8 10 11 13 13 9 6 5 5 5 10 10 10 5 Clouds OV B2 B1 B1 B1 B2 B2 OV OV B2 B1 B1 B2 B2 B1 B1 SC SC SC SC B1 PoP 12hr 5 20 30 50 10 QPF 12hr 0 0 0.03 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C C C Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 49 75 50 79 55 77 57 74 Temp 55 53 72 66 53 54 75 71 58 57 73 71 62 59 72 66 Dewpt 42 41 40 44 45 46 46 47 49 50 53 55 55 53 50 49 PWind dir NW E SE SE SE S W NW Wind char LT LT LT LT LT LT LT GN Avg clouds B1 B1 SC SC SC SC SC B1 B1 B1 B1 B1 B2 B2 B2 B1 PoP 12hr 10 10 5 20 30 50 50 50 Rain shwrs S C C C C C C C C Tstms S $$ VAZ506-202000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 737 AM EDT Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 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 76 57 76 62 81 Temp 65 68 74 76 70 64 61 59 58 63 71 76 72 66 64 63 63 72 79 80 74 Dewpt 56 52 51 49 48 43 46 46 47 48 53 55 56 57 58 59 57 54 50 48 47 RH 73 57 44 39 45 46 58 62 67 58 53 48 57 73 81 87 81 53 36 33 38 Wind dir N N N NE E E SE SE SE SE S S SE S SW SW W W W W NW Wind spd 10 10 8 6 5 5 5 5 8 10 11 11 9 6 5 5 5 8 9 6 5 Clouds B2 B1 SC SC B1 B2 B2 OV OV B2 B1 B1 B2 B2 B2 B1 SC SC B1 B1 B1 PoP 12hr 5 20 10 50 20 QPF 12hr 0 0 0 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C S S S S Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 53 76 53 79 56 80 61 76 Temp 58 55 72 68 56 56 76 72 58 58 74 73 64 61 74 69 Dewpt 45 44 45 47 48 49 50 50 52 54 57 60 60 57 55 53 PWind dir N N S SE SE S SW NW Wind char LT LT LT LT LT LT LT GN Avg clouds B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 PoP 12hr 10 10 5 10 30 40 40 50 Rain shwrs C C S C C C C C Tstms C $$ VAZ037-202000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 737 AM EDT Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 56 79 62 82 Temp 69 74 78 78 72 66 63 59 58 64 73 77 74 69 65 64 65 74 80 81 75 Dewpt 55 56 56 54 54 53 50 50 50 51 52 51 52 54 54 54 54 51 47 46 47 RH 61 53 47 43 53 63 62 72 75 63 48 40 46 59 68 70 68 44 31 29 37 Wind dir NE NE E E E E E E E SE S S S SW SW SW W W W W W Wind spd 3 5 6 8 6 5 4 4 4 5 9 10 6 5 5 5 5 5 6 6 4 Clouds B2 B2 B1 B1 B2 B2 OV OV OV B1 SC SC B1 B1 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 10 20 10 30 30 QPF 12hr 0 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C C C C C S Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 77 54 79 57 80 61 79 Temp 59 57 75 69 57 57 76 72 59 59 76 73 64 63 75 70 Dewpt 45 44 44 44 45 48 49 48 50 52 56 57 56 55 53 51 PWind dir N E S SE SE S SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 PoP 12hr 20 10 5 20 30 50 30 50 Rain shwrs S S S C S S C C S C C Tstms S C $$ MDZ003-202000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 737 AM EDT Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 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 55 73 58 77 Temp 59 61 69 72 65 59 58 57 56 60 68 72 67 64 61 60 60 70 75 77 69 Dewpt 50 46 44 42 42 39 39 43 44 47 51 53 55 57 57 55 54 50 47 44 44 RH 72 58 40 34 43 47 49 59 64 62 54 51 65 78 87 84 81 49 37 31 40 Wind dir N N N NE E E E SE SE SE S S S S SW W W W W W NW Wind spd 10 9 6 5 5 4 5 5 8 10 11 12 9 6 5 5 5 10 10 9 5 Clouds B2 B1 B1 SC B1 B2 OV OV OV B2 B1 B2 B2 B2 B1 B1 SC SC SC SC SC PoP 12hr 5 20 30 60 10 QPF 12hr 0 0 0.02 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L L C C Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 49 74 51 78 55 77 58 73 Temp 54 52 70 65 54 55 75 70 58 57 72 71 62 59 71 66 Dewpt 42 41 43 46 46 47 50 49 50 52 56 57 56 53 53 51 PWind dir N NW SE SE SE S SW NW Wind char LT LT LT LT LT LT LT GN Avg clouds B1 B1 SC SC FW SC SC B1 B1 B1 B1 B1 B2 B2 B2 B1 PoP 12hr 5 5 5 20 30 50 50 50 Rain shwrs S C C C C C C C C Tstms S $$ MDZ017-202000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 737 AM EDT Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 72 56 69 62 78 Temp 65 68 70 70 62 59 57 57 58 62 66 68 62 63 64 64 65 71 75 76 69 Dewpt 58 54 52 49 48 48 46 46 47 49 53 54 54 55 56 56 58 58 56 55 55 RH 78 61 53 47 60 67 67 67 67 62 63 61 75 75 75 75 78 63 52 48 61 Wind dir N N N N E SE SE SE SE SE SE SE SE S S SW SW W SW SW S Wind spd 8 10 10 8 6 6 5 6 6 10 12 13 10 10 9 8 6 6 6 5 4 Clouds B2 B2 B1 SC SC B1 B1 B2 OV B2 B1 B1 B1 B1 B2 B2 B2 SC B1 B1 B1 PoP 12hr 0 10 5 30 30 QPF 12hr 0 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C C Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 71 54 72 56 74 60 75 Temp 61 57 67 61 55 56 71 62 57 58 71 67 62 62 72 66 Dewpt 51 47 47 47 50 51 51 50 53 55 57 57 59 58 56 54 PWind dir NW NE SE SE SE SE SW NW Wind char LT LT LT LT LT LT LT GN Avg clouds B1 B1 B1 SC SC SC SC SC B1 B1 B1 B1 B1 B2 B2 B1 PoP 12hr 30 10 10 10 30 40 50 50 Rain shwrs C C S C S C C C C C Tstms C $$ WVZ502-202000- Petersburg WV 38.99N 79.15W Elev. 963 ft 737 AM EDT Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 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 80 57 80 57 77 Temp 64 69 77 79 70 65 62 60 59 68 77 79 72 66 62 59 59 67 74 76 69 Dewpt 56 54 56 56 58 56 55 54 53 54 54 55 57 57 56 54 51 48 45 44 46 RH 75 59 48 45 66 73 78 81 80 61 45 44 59 73 81 83 75 50 35 32 44 Wind dir NE NE NE NE SE E SE SE SE S S S SW SW W W W W W W W Wind spd 3 3 3 4 3 2 3 3 4 5 10 10 5 5 4 4 3 5 6 6 2 Clouds OV B2 B1 B1 B2 B2 B2 OV B2 B1 B1 B2 B2 B1 B1 B2 B1 B1 B1 SC B1 PoP 12hr 20 30 30 50 10 QPF 12hr 0 0.01 0.04 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C S S S C C C C C C Tstms S S Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 48 78 50 80 55 81 57 76 Temp 52 52 75 67 53 53 78 71 59 58 76 72 62 59 73 68 Dewpt 44 44 45 49 47 48 50 53 53 54 59 60 57 54 52 52 PWind dir W SE S S S SW W NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC FW SC B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 PoP 12hr 10 10 5 30 30 60 40 50 Rain shwrs C C S C L C C C C Tstms C $$ MDZ014-202000- Annapolis MD 38.99N 76.49W Elev. 7 ft 737 AM EDT Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 69 53 67 58 76 Temp 67 66 68 67 63 58 55 55 55 58 63 66 63 61 60 61 63 69 74 75 70 Dewpt 53 49 46 43 42 45 46 44 43 43 48 52 52 55 56 56 56 53 51 50 49 RH 61 54 45 42 46 62 72 66 64 57 58 61 67 81 87 84 78 57 44 41 47 Wind dir N N NE NE E SE SE SE SE SE SE S SE S S SW W W W W W Wind spd 8 9 9 8 4 3 3 3 4 8 11 11 10 6 5 5 4 5 8 6 3 Clouds B2 B1 B1 B1 SC SC B1 B2 OV B2 B2 B1 B1 B2 B2 B2 B1 SC B1 B1 B1 PoP 12hr 0 10 5 40 20 QPF 12hr 0 0 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S S S Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 69 54 71 55 72 58 72 Temp 59 55 67 63 56 56 68 64 57 57 68 66 61 60 70 66 Dewpt 47 44 43 45 48 48 48 48 51 52 54 55 57 54 53 51 PWind dir NW NE S SE SE S SW NW Wind char LT LT LT LT LT LT LT GN Avg clouds B1 B1 SC SC SC SC SC B1 B1 B1 B1 B1 B2 B2 B2 B1 PoP 12hr 10 10 5 5 20 40 50 50 Rain shwrs S S S C C C C C Tstms S $$