Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
156 FOUS51 KLWX 191138 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 737 AM EDT Sat Apr 19 2025 VAZ054-192000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 737 AM EDT Sat Apr 19 2025 Date Sat 04/19/25 Sun 04/20/25 Mon 04/21/25 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 86 67 77 58 76 Temp 68 75 82 86 81 77 72 70 67 70 74 76 69 64 61 60 58 63 70 74 69 Dewpt 54 54 56 57 57 58 58 56 52 47 44 42 42 41 44 43 44 44 47 51 53 RH 61 48 41 37 44 52 61 61 59 44 34 30 37 43 53 53 59 50 44 44 57 Wind dir SW SW SW SW SW W NW N N N N NE E E SE SE SE SE SE SE SE Wind spd 12 14 17 18 11 9 6 8 10 10 8 8 8 6 5 6 9 10 11 12 10 Wind gust 23 29 Clouds B2 B2 B1 B1 B2 B2 B1 B2 B2 B1 B1 B1 B1 B1 B2 B2 OV B2 B1 B1 B1 PoP 12hr 0 5 5 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Heat index 82 81 Max heat 82 85 80 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 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 65 84 59 80 60 81 60 81 Temp 67 67 79 74 64 60 75 71 62 61 77 72 62 61 77 73 Dewpt 55 56 51 49 48 46 43 47 50 50 49 49 51 51 52 54 PWind dir S W N E SE SE SE S Wind char GN GN LT LT LT LT LT GN Avg clouds B2 B2 B1 B1 B2 B1 SC SC SC SC SC SC B1 B1 B1 B1 PoP 12hr 30 30 20 10 5 10 20 20 Rain shwrs C C C C S S S $$ MDZ013-192000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 737 AM EDT Sat Apr 19 2025 Date Sat 04/19/25 Sun 04/20/25 Mon 04/21/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 63 73 54 70 Temp 65 73 81 84 80 75 70 66 64 67 71 72 66 61 57 56 55 60 66 68 64 Dewpt 53 53 56 57 58 59 58 57 50 44 41 38 39 41 42 42 42 41 44 49 52 RH 65 49 42 40 47 58 66 73 60 43 34 29 37 48 57 59 61 49 45 51 65 Wind dir SW SW SW SW SW W NW NW N N N N NE E E E SE SE SE SE SE Wind spd 11 12 13 16 9 8 5 6 8 6 5 5 3 2 2 2 4 6 10 10 8 Wind gust 25 29 Clouds OV B2 B1 B1 B2 B2 B1 B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B2 PoP 12hr 0 5 0 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Heat index 81 81 Max heat 81 83 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 80 56 77 56 77 55 75 Temp 61 64 77 70 59 57 72 67 57 58 73 68 58 58 72 68 Dewpt 55 55 50 48 47 44 44 46 49 49 49 50 51 51 52 53 PWind dir S W NW E SE SE SE SE Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 PoP 12hr 40 30 20 10 5 10 20 20 Rain shwrs C C C S S S S $$ MDZ011-192000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 737 AM EDT Sat Apr 19 2025 Date Sat 04/19/25 Sun 04/20/25 Mon 04/21/25 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 86 64 75 56 71 Temp 62 75 83 86 82 77 72 69 64 69 72 73 68 63 60 58 57 62 66 69 67 Dewpt 52 51 55 56 57 57 55 54 47 42 38 37 37 39 40 41 41 40 42 47 50 RH 70 43 38 36 43 50 55 59 54 37 29 27 32 41 47 53 55 44 42 45 54 Wind dir SW SW SW SW SW W NW NW N N N N NE E E E SE SE SE SE SE Wind spd 8 11 14 17 8 6 6 6 8 5 5 4 2 2 2 2 3 5 10 10 6 Wind gust 25 29 Clouds OV B2 B2 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B2 PoP 12hr 5 5 0 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Heat index 82 Max heat 82 85 80 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 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 63 82 58 79 58 79 59 78 Temp 65 64 78 73 64 58 74 70 62 59 75 71 62 59 74 71 Dewpt 54 54 48 47 46 43 41 44 47 48 46 48 49 49 50 51 PWind dir S W NW E SE SE SE SE Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 PoP 12hr 40 30 10 10 5 10 20 20 Rain shwrs C C C S S S $$ WVZ052-192000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 737 AM EDT Sat Apr 19 2025 Date Sat 04/19/25 Sun 04/20/25 Mon 04/21/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 60 73 54 75 Temp 61 72 80 85 77 72 68 64 61 64 70 71 65 60 58 56 56 62 69 73 68 Dewpt 50 52 56 55 55 54 55 53 49 44 42 40 41 41 41 42 45 45 48 50 51 RH 67 49 44 36 47 53 63 67 65 48 36 32 41 49 53 59 66 54 47 44 54 Wind dir SW SW SW W W W NW N N N N NE E E SE SE SE SE S S S Wind spd 9 11 17 20 10 8 6 9 10 6 5 5 3 3 4 5 9 10 12 13 10 Wind gust 28 37 Clouds OV OV B2 B1 B1 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B2 PoP 12hr 10 10 5 10 20 QPF 12hr 0 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C Heat index 80 Max heat 80 84 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 79 51 77 53 79 55 79 Temp 63 63 75 67 57 55 72 68 57 57 76 70 60 59 75 70 Dewpt 54 54 48 45 45 44 43 46 48 49 49 50 50 51 52 53 PWind dir SW W NW SE SE SE SE S Wind char LT GN LT LT LT LT LT LT Avg clouds B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 PoP 12hr 40 20 10 10 5 10 20 30 Rain shwrs C C S S S C Tstms S $$ VAZ506-192000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 737 AM EDT Sat Apr 19 2025 Date Sat 04/19/25 Sun 04/20/25 Mon 04/21/25 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 85 64 75 56 76 Temp 67 74 80 85 80 74 69 66 64 67 72 74 68 63 59 58 57 62 70 74 70 Dewpt 53 54 56 58 58 59 58 57 54 49 46 45 44 42 44 44 45 46 50 54 56 RH 61 50 44 40 47 59 68 73 70 52 39 35 42 46 57 59 64 56 49 50 61 Wind dir SW SW SW SW SW W NW N N N N NE E E SE SE SE SE S S SE Wind spd 12 13 16 17 10 6 6 8 9 8 5 5 4 4 4 5 6 9 10 11 9 Wind gust 26 31 Clouds OV OV B2 B1 B2 B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 OV B2 B1 B1 B1 PoP 12hr 0 5 5 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Heat index 80 81 Max heat 80 84 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 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 62 81 56 79 57 80 57 79 Temp 65 64 78 71 59 57 74 70 59 59 77 72 60 60 76 72 Dewpt 56 57 52 50 49 47 46 49 52 52 52 52 53 54 55 56 PWind dir S W NW W SE SE SE S Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 B1 B2 B1 SC SC SC SC SC SC B1 B1 B1 B1 PoP 12hr 40 30 20 10 5 10 20 20 Rain shwrs C C S C S S S $$ VAZ037-192000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 737 AM EDT Sat Apr 19 2025 Date Sat 04/19/25 Sun 04/20/25 Mon 04/21/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 63 79 57 79 Temp 61 72 81 85 79 74 70 67 66 73 77 77 71 66 62 60 59 65 74 77 72 Dewpt 52 54 55 55 56 54 53 52 54 55 54 52 51 49 47 47 48 50 51 50 51 RH 72 53 41 36 45 50 55 59 65 53 45 42 49 54 58 62 67 58 44 39 48 Wind dir S S SW SW SW SW SW NW NE NE E E E E E E E SE S S S Wind spd 10 11 14 17 10 6 4 3 5 5 5 6 5 5 3 3 3 5 8 9 6 Wind gust 26 29 Clouds B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC B1 PoP 12hr 0 0 10 20 5 QPF 12hr 0 0 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C Heat index 81 Max heat 81 84 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 82 56 79 56 81 58 80 Temp 66 65 78 72 60 59 75 70 61 61 77 72 63 62 77 72 Dewpt 53 55 50 48 47 47 47 48 49 50 51 50 51 53 53 54 PWind dir SW W NW E NE SE SE S Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 B2 B2 B1 SC SC SC SC SC SC SC B1 B1 B1 PoP 12hr 30 40 20 20 5 20 20 30 Rain shwrs C C C C S S S S S C Tstms S $$ MDZ003-192000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 737 AM EDT Sat Apr 19 2025 Date Sat 04/19/25 Sun 04/20/25 Mon 04/21/25 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 85 59 71 55 73 Temp 64 73 81 85 78 71 67 63 59 62 68 70 64 59 57 56 56 60 67 71 67 Dewpt 50 52 57 58 56 59 58 54 46 43 41 39 40 39 39 39 43 45 50 51 53 RH 60 48 44 40 47 66 73 72 62 50 37 32 41 47 51 53 62 58 54 49 61 Wind dir S SW SW W W NW NW N N N N NE E E E SE SE SE S S S Wind spd 9 12 17 19 10 9 8 9 10 6 5 4 4 3 3 5 6 9 11 12 9 Wind gust 23 31 37 Clouds OV OV B2 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B2 PoP 12hr 20 10 5 10 20 QPF 12hr 0 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C Heat index 81 Max heat 81 84 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 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 59 77 52 77 54 78 56 77 Temp 63 61 73 67 56 54 72 67 58 58 74 70 60 59 74 69 Dewpt 54 54 48 47 45 44 46 49 48 49 52 52 51 51 54 54 PWind dir S W NW W SE SE SE S Wind char LT GN LT LT LT LT LT LT Avg clouds B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 PoP 12hr 50 20 10 10 5 10 20 30 Rain shwrs C C S S S C $$ MDZ017-192000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 737 AM EDT Sat Apr 19 2025 Date Sat 04/19/25 Sun 04/20/25 Mon 04/21/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 63 71 55 70 Temp 62 74 81 83 75 72 70 66 65 68 69 68 62 58 56 56 57 63 66 67 62 Dewpt 56 56 57 58 59 59 58 57 56 52 49 46 46 47 47 46 46 47 50 53 54 RH 81 53 44 43 58 64 66 73 73 57 49 45 56 67 72 69 67 56 56 61 75 Wind dir SW SW SW SW SW SW W NW N N N N E SE SE SE SE SE SE SE SE Wind spd 14 14 16 16 12 11 8 6 9 9 10 6 4 4 4 5 5 9 11 12 10 Clouds B2 B1 SC SC B1 B2 B1 B2 B2 B2 B2 B1 B1 B1 B1 B2 OV B2 B1 B1 B1 PoP 12hr 0 0 0 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 83 Max heat 81 83 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 78 58 73 56 74 56 74 Temp 64 64 73 67 61 59 69 63 57 59 69 63 58 59 70 64 Dewpt 55 57 57 56 53 50 50 51 52 53 53 52 54 54 55 55 PWind dir S SW NW NE SE SE SE SE Wind char GN LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B2 B1 B1 SC SC SC SC SC SC B1 B1 SC PoP 12hr 30 40 30 20 10 10 20 20 Rain shwrs C C C C C S S S S S Tstms S $$ WVZ502-192000- Petersburg WV 38.99N 79.15W Elev. 963 ft 737 AM EDT Sat Apr 19 2025 Date Sat 04/19/25 Sun 04/20/25 Mon 04/21/25 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 87 60 78 56 81 Temp 63 75 85 87 79 72 67 63 61 67 75 76 69 63 61 58 59 67 77 77 71 Dewpt 52 54 57 53 51 54 56 57 55 55 55 56 57 54 53 52 52 53 53 54 55 RH 67 48 39 31 38 53 68 81 81 65 50 50 66 72 75 80 78 61 43 45 57 Wind dir SW W W W W W W N NE NE E NE E SE SE SE SE S S S S Wind spd 9 10 17 20 6 5 4 4 4 2 2 3 2 2 2 3 4 5 10 10 5 Wind gust 21 29 34 17 16 Clouds OV B2 B2 B1 B1 B1 B2 B2 OV B2 B2 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 5 10 20 40 20 QPF 12hr 0 0 0 0.01 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S S S S C Tstms S S S S Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 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 57 77 50 80 53 82 55 81 Temp 63 60 74 67 54 54 76 68 57 57 78 70 60 59 77 70 Dewpt 54 52 48 48 46 46 48 52 49 51 53 54 52 54 57 58 PWind dir SW W W S SW S S SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC B1 B1 B1 PoP 12hr 50 20 10 10 5 20 20 40 Rain shwrs C C S S S S S C Tstms S $$ MDZ014-192000- Annapolis MD 38.99N 76.49W Elev. 7 ft 737 AM EDT Sat Apr 19 2025 Date Sat 04/19/25 Sun 04/20/25 Mon 04/21/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 61 69 53 66 Temp 60 68 76 78 73 72 68 65 64 64 67 68 63 58 56 56 56 59 63 65 62 Dewpt 55 56 57 57 57 59 58 56 51 45 44 42 42 44 45 44 44 42 47 49 51 RH 84 65 52 48 57 64 70 73 63 50 43 39 46 59 66 64 64 53 56 56 67 Wind dir SW SW SW SW SW W NW N N N N NE NE E SE SE SE SE SE S SE Wind spd 11 12 14 16 10 8 5 6 8 8 8 5 3 2 2 2 3 6 10 10 9 Clouds OV B2 SC SC B1 B2 B1 B2 B2 B1 B1 B1 B1 B1 B1 B2 OV B2 B1 B1 B1 PoP 12hr 0 5 0 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 76 56 71 55 72 55 72 Temp 61 63 72 67 59 57 67 63 57 58 68 65 57 58 68 65 Dewpt 54 55 53 51 50 46 46 47 50 50 50 50 51 51 52 53 PWind dir S W NW E S SE SE S Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 B1 B2 B1 B1 SC SC SC SC SC SC B1 B1 B1 PoP 12hr 30 30 20 10 5 5 20 20 Rain shwrs C C C C S S S S $$