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Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
000 FOUS51 KLWX 181856 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 256 PM EDT Thu Apr 18 2024 VAZ054-182000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 256 PM EDT Thu Apr 18 2024 Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24 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 51 67 54 70 Temp 77 67 59 54 52 52 58 64 65 62 59 57 56 56 62 67 69 63 Dewpt 48 50 46 44 44 45 46 48 50 50 50 50 48 44 39 36 35 34 RH 36 54 62 69 74 77 64 56 58 65 72 77 74 64 43 32 28 34 Wind dir N NE E E E E SE SE SE SE SE NW NW N NW NW NW NW Wind spd 10 10 10 6 5 4 6 6 8 5 3 2 4 6 9 10 12 9 Clouds SC SC SC B1 OV OV OV B2 B2 B1 B2 B2 B1 B1 SC SC FW FW PoP 12hr 10 5 30 50 5 QPF 12hr 0 0 0.01 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 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 46 64 46 68 48 73 56 71 Temp 51 48 62 59 49 49 66 61 50 51 71 66 59 58 68 64 Dewpt 32 32 31 33 33 35 32 35 38 41 39 42 45 48 44 38 PWind dir N NW NW NW S S S NW Wind char LT GN LT LT LT GN GN BZ Avg clouds FW SC B1 B2 B2 SC FW SC FW FW FW SC B2 B1 SC SC PoP 12hr 5 5 5 0 0 5 40 30 Rain shwrs C C C C $$ MDZ013-182000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 256 PM EDT Thu Apr 18 2024 Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 69 47 64 52 68 Temp 68 62 54 49 48 49 55 62 63 60 56 55 53 54 60 65 67 60 Dewpt 53 50 46 44 43 44 46 48 49 51 51 51 48 43 39 38 36 36 RH 59 65 74 83 83 83 72 60 60 72 83 86 83 66 46 37 32 41 Wind dir NE E E E E E SE SE SE SE S W NW NW NW W W NW Wind spd 6 10 9 8 6 5 8 8 9 5 5 3 5 6 9 10 13 9 Clouds B1 B1 B1 B2 OV OV OV B2 B2 B2 B2 B2 B1 B1 SC SC FW FW PoP 12hr 10 5 30 50 10 QPF 12hr 0 0 0.01 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C Sprinkles C Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 43 62 43 66 46 70 53 69 Temp 48 45 60 58 46 47 64 60 48 49 69 64 56 55 68 60 Dewpt 30 31 32 34 34 35 33 36 39 41 42 44 46 49 46 40 PWind dir NW W NW N SW S S NW Wind char GN GN GN GN LT GN BZ BZ Avg clouds FW FW B1 B2 B2 SC FW FW FW FW FW SC B2 B1 SC SC PoP 12hr 0 5 5 0 0 5 40 30 Rain shwrs C C C S $$ MDZ011-182000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 256 PM EDT Thu Apr 18 2024 Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24 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 53 69 57 74 Temp 70 65 60 54 54 54 60 65 67 62 62 59 59 59 66 70 72 63 Dewpt 52 49 45 43 43 43 44 46 48 49 50 50 48 41 36 35 34 33 RH 53 56 58 66 66 66 55 50 50 62 65 72 67 51 33 27 25 32 Wind dir E E E E E E SE SE SE SE S W NW NW NW W W NW Wind spd 6 10 8 6 5 5 8 8 9 5 5 3 5 8 9 10 13 9 Clouds B2 B1 B1 B2 OV OV OV B2 B2 B2 B2 B2 B1 B1 SC SC SC FW PoP 12hr 10 5 30 50 5 QPF 12hr 0 0 0.01 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C Sprinkles C Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 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 49 67 49 72 51 76 58 74 Temp 52 51 65 60 51 52 70 63 54 55 74 67 60 61 70 63 Dewpt 29 30 30 31 33 33 32 34 37 40 39 42 45 47 43 37 PWind dir NW W NW N SW S S NW Wind char LT GN GN GN LT GN BZ BZ Avg clouds FW FW B1 B2 B2 SC FW FW FW FW FW SC B2 B1 B1 SC PoP 12hr 0 5 0 0 0 5 50 30 Rain shwrs C C C C $$ WVZ052-182000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 256 PM EDT Thu Apr 18 2024 Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 47 64 46 66 Temp 73 66 58 52 49 49 54 60 63 61 57 53 50 49 57 63 63 57 Dewpt 48 47 48 46 45 44 46 48 50 50 49 46 42 39 35 33 31 30 RH 41 50 69 80 86 83 74 64 62 67 75 77 74 68 43 32 30 35 Wind dir NW N E SE SE SE SE SE S SE NW NW NW NW NW W NW NW Wind spd 10 5 5 5 6 8 10 11 10 6 6 5 6 6 10 14 19 11 Wind gust 25 31 Clouds SC FW FW B1 B2 OV OV OV B2 B2 B2 B1 B1 B1 SC SC SC FW PoP 12hr 0 5 50 40 5 QPF 12hr 0 0 0.03 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C S S Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 38 59 37 65 40 70 50 66 Temp 44 42 57 55 41 41 61 59 44 44 68 65 54 52 62 59 Dewpt 28 30 29 29 30 31 32 34 34 37 40 41 44 45 41 34 PWind dir NW W NW NW SW S SW NW Wind char LT GN LT LT LT GN GN BZ Avg clouds FW SC B2 B2 B1 SC FW FW FW FW SC B1 B2 B1 SC SC PoP 12hr 0 0 0 0 0 10 50 30 Rain shwrs C C C S $$ VAZ506-182000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 256 PM EDT Thu Apr 18 2024 Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24 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 49 66 51 69 Temp 76 69 59 53 50 51 57 63 65 62 58 56 54 54 60 65 67 61 Dewpt 49 51 50 47 45 46 47 48 50 51 52 51 48 44 39 37 36 34 RH 39 53 72 80 83 83 69 58 58 67 80 83 80 69 46 35 32 36 Wind dir NW NE E E E SE SE S S SE S NW NW N NW NW NW NW Wind spd 9 6 8 5 4 5 8 9 9 5 5 5 6 8 10 11 14 10 Clouds SC SC SC B1 B2 OV OV OV B2 B1 B2 B2 B1 B1 SC SC FW FW PoP 12hr 5 5 40 50 5 QPF 12hr 0 0 0.03 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 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 42 62 41 66 43 72 53 70 Temp 47 45 60 58 46 45 64 60 46 48 70 68 57 55 67 62 Dewpt 32 31 32 34 33 35 34 36 37 41 41 43 46 49 45 40 PWind dir NW NW NW NW S S S NW Wind char GN GN LT GN LT GN GN BZ Avg clouds FW SC B1 B2 B2 SC FW FW FW FW FW SC B2 B1 SC SC PoP 12hr 0 5 5 0 0 5 40 30 Rain shwrs C C C C $$ VAZ037-182000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 256 PM EDT Thu Apr 18 2024 Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 54 72 56 74 Temp 81 74 66 59 57 56 61 67 70 66 64 60 60 59 65 70 72 64 Dewpt 43 46 46 49 48 47 48 50 51 52 53 52 49 46 42 39 35 33 RH 26 37 48 69 72 72 62 54 51 61 67 75 67 62 43 32 26 31 Wind dir N NE NE NE E E SE SE S SE N N N N NW W W NW Wind spd 9 4 4 5 4 5 5 5 6 5 4 4 5 5 5 8 9 6 Clouds FW CL FW SC B2 B2 B2 B2 B2 B1 B1 B2 B1 B1 SC SC FW FW PoP 12hr 0 0 40 40 5 QPF 12hr 0 0 0.01 0.06 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S Tstms S S Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 67 44 69 46 75 55 76 Temp 52 49 63 60 49 49 66 62 49 51 72 69 59 59 72 66 Dewpt 32 31 32 33 33 33 33 35 36 38 39 42 43 44 43 38 PWind dir N SW N E SW S SW W Wind char LT LT LT LT LT GN GN GN Avg clouds FW SC B1 B2 B2 SC SC SC FW FW FW SC B1 B1 SC SC PoP 12hr 5 10 5 5 0 5 30 30 Rain shwrs C C C C $$ MDZ003-182000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 256 PM EDT Thu Apr 18 2024 Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24 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 47 64 48 65 Temp 71 65 57 52 49 49 55 60 63 61 58 53 50 50 57 63 62 55 Dewpt 49 51 49 47 45 45 47 49 50 51 51 48 43 40 36 35 34 32 RH 46 60 75 83 86 86 74 67 62 70 77 83 77 68 45 35 35 41 Wind dir NW NE E E SE SE SE S S S NW NW NW NW NW W W NW Wind spd 9 6 6 5 4 8 11 11 12 10 6 5 6 6 11 16 20 14 Wind gust 32 Clouds SC SC SC B1 B2 OV OV OV B2 B2 B2 B1 B1 B1 SC SC SC FW PoP 12hr 5 5 50 40 5 QPF 12hr 0 0 0.03 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C S S Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 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 38 59 38 65 41 70 50 65 Temp 42 42 57 54 41 42 63 58 44 46 68 64 54 53 62 58 Dewpt 29 31 32 32 32 33 33 36 36 39 42 43 46 48 43 37 PWind dir NW W NW NW S S SW NW Wind char GN GN LT GN LT GN GN BZ Avg clouds FW SC B1 B1 B1 FW FW FW FW FW SC B1 B2 B1 B1 SC PoP 12hr 0 0 0 0 0 10 60 30 Rain shwrs L C C S $$ MDZ017-182000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 256 PM EDT Thu Apr 18 2024 Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 72 49 64 54 68 Temp 71 64 55 51 50 51 57 62 62 58 56 55 55 56 62 66 66 61 Dewpt 53 52 47 45 45 46 47 48 49 50 50 51 52 51 44 42 42 43 RH 53 65 74 80 83 83 69 60 62 75 80 86 90 83 52 42 42 51 Wind dir N NE NE NE NE E E SE SE SE SE S NW N N NW NW NW Wind spd 10 10 11 9 8 5 6 9 10 6 6 3 5 8 10 9 5 5 Clouds SC FW SC B1 OV OV B2 B2 B2 B2 B1 B2 B2 B2 B2 SC SC SC PoP 12hr 10 0 20 50 10 QPF 12hr 0 0 0 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 63 48 65 48 69 55 71 Temp 52 50 61 57 50 50 64 58 50 52 68 61 57 58 70 61 Dewpt 37 34 34 38 39 39 35 38 41 43 42 45 47 49 49 45 PWind dir N W W N SW S S NW Wind char GN LT GN GN LT GN BZ BZ Avg clouds SC FW B1 B2 B2 B1 SC SC SC FW FW SC B1 B1 SC SC PoP 12hr 5 10 10 5 0 0 30 30 Rain shwrs S C C C $$ WVZ502-182000- Petersburg WV 38.99N 79.15W Elev. 963 ft 256 PM EDT Thu Apr 18 2024 Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24 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 51 73 48 65 Temp 74 68 60 56 53 55 64 69 71 66 60 55 51 50 57 63 63 56 Dewpt 45 48 48 47 47 49 52 55 57 56 53 48 43 39 35 33 33 32 RH 35 49 64 72 80 80 65 61 61 70 78 77 74 66 43 32 32 40 Wind dir N N S SW SE NE NE S SW N N NW NW NW W W W NW Wind spd 9 3 2 3 3 3 6 8 6 5 5 4 4 4 9 12 16 10 Clouds FW FW FW SC SC B2 B2 B2 B2 B2 B1 B1 B1 SC FW FW FW FW PoP 12hr 0 5 70 40 5 QPF 12hr 0 0 0.15 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C Tstms C S C Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 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 39 60 36 65 42 72 50 65 Temp 45 42 58 54 41 41 63 59 45 46 70 66 56 53 63 58 Dewpt 32 31 31 32 31 31 34 38 36 38 40 45 46 47 44 40 PWind dir NW W W N SW SW SW NW Wind char LT GN LT LT LT GN GN GN Avg clouds FW SC B1 B1 B1 FW FW FW FW FW SC B1 B1 B1 B1 SC PoP 12hr 5 5 0 0 0 20 50 30 Rain shwrs S C C C C $$ MDZ014-182000- Annapolis MD 38.99N 76.49W Elev. 7 ft 256 PM EDT Thu Apr 18 2024 Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 68 49 63 54 68 Temp 67 62 55 51 50 51 55 59 61 59 58 56 55 56 61 64 66 62 Dewpt 53 49 46 45 44 44 46 49 50 51 52 51 50 46 41 40 39 38 RH 61 62 72 80 80 77 72 69 67 75 80 83 83 69 48 41 37 41 Wind dir NE NE E E E E SE S S S S SW NW NW NW NW W NW Wind spd 9 12 10 8 6 5 6 8 9 6 5 4 5 8 8 8 10 9 Clouds B1 SC B1 B2 OV OV OV B2 B2 B2 B2 B2 B2 B1 SC SC FW FW PoP 12hr 10 5 20 40 10 QPF 12hr 0 0 0 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 61 46 65 48 69 55 68 Temp 51 49 58 58 49 49 62 60 51 52 66 63 57 58 65 62 Dewpt 34 33 33 36 37 36 35 38 41 42 44 45 47 48 47 41 PWind dir NW W NW NE SW S S W Wind char GN GN GN LT LT GN BZ BZ Avg clouds FW FW B1 B2 B2 SC FW FW FW FW FW SC B2 B1 SC SC PoP 12hr 0 5 5 0 0 5 40 30 Rain shwrs C C C C $$
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