Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
090 FOUS51 KLWX 171953 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 353 PM EDT Thu Apr 17 2025 VAZ054-180800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 353 PM EDT Thu Apr 17 2025 Date 04/17/25 Fri 04/18/25 Sat 04/19/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 49 80 66 89 67 Temp 65 59 54 51 49 52 65 74 78 73 70 68 67 67 76 83 86 79 75 71 68 67 Dewpt 25 28 31 35 38 40 44 46 47 49 50 52 53 54 55 55 57 56 58 57 54 51 RH 22 30 41 54 66 63 46 37 33 43 49 57 61 63 48 38 37 45 55 61 61 56 Wind dir NW S S S S S S S S S S SW SW SW SW SW SW SW SW W NW NW Wind spd 6 4 5 5 6 8 12 16 18 13 12 13 13 13 14 14 16 12 10 9 9 10 Wind gust 26 28 Clouds CL FW SC SC SC SC SC B2 SC FW FW SC B1 B1 B1 B1 B1 B2 B1 B1 B2 B2 PoP 12hr 0 0 0 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 04/20 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 57 76 61 80 58 81 59 80 Temp 75 68 59 58 71 66 63 63 77 71 61 61 76 70 61 63 76 69 Dewpt 46 43 43 43 45 51 54 53 49 47 47 45 46 48 51 52 53 55 PWind dir N E SE S W NW SW SE S Wind char GN LT GN GN GN LT LT LT LT Avg clouds B2 B1 B2 B2 B2 B1 B2 B1 SC SC SC SC SC SC SC SC B1 B1 PoP 12hr 5 10 30 50 20 10 10 10 20 Rain shwrs C C S S S Tstms S $$ MDZ013-180800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 353 PM EDT Thu Apr 17 2025 Date 04/17/25 Fri 04/18/25 Sat 04/19/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 44 74 63 85 62 Temp 63 57 50 47 45 49 63 71 73 67 65 65 64 66 74 81 84 78 73 68 65 63 Dewpt 27 30 33 34 36 40 43 47 48 50 51 51 53 54 55 55 56 57 58 57 54 50 RH 25 35 52 60 70 71 48 42 41 54 60 60 67 65 51 41 38 48 59 68 68 62 Wind dir W SW S S S S S S S S S SW SW SW SW SW SW SW W W NW NW Wind spd 5 3 2 2 3 5 11 14 14 11 10 10 10 11 10 12 11 8 5 5 5 5 Wind gust 25 Clouds CL FW FW SC SC SC SC B2 SC SC SC SC B1 B1 B1 B2 B1 B2 B1 B2 B2 B2 PoP 12hr 0 0 0 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 Max heat 81 83 Date 04/20 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 53 70 57 76 54 76 55 76 Temp 71 66 56 53 65 62 58 59 73 69 58 56 72 67 57 58 71 66 Dewpt 44 42 42 40 44 51 53 53 50 48 46 44 46 47 51 52 53 54 PWind dir N E SE S W NW E SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC B1 B1 B1 PoP 12hr 5 10 30 50 20 10 5 10 20 Rain shwrs C C C S S Tstms S $$ MDZ011-180800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 353 PM EDT Thu Apr 17 2025 Date 04/17/25 Fri 04/18/25 Sat 04/19/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 50 75 65 88 65 Temp 65 59 54 51 50 51 65 72 75 69 68 67 66 67 77 83 85 79 75 70 67 65 Dewpt 25 27 31 32 35 38 41 44 46 48 50 50 51 52 53 54 55 56 56 55 51 47 RH 22 29 41 48 56 61 41 37 36 47 52 54 58 59 43 37 36 45 52 59 56 52 Wind dir W SW SW S S S S S S S S SW SW SW SW SW SW SW W W NW NW Wind spd 6 3 2 1 3 4 10 13 14 11 9 9 8 9 10 11 11 6 5 4 5 5 Clouds CL FW SC SC SC FW SC B2 SC SC SC SC B1 B1 B1 B2 B1 B1 B1 B2 B2 B2 PoP 12hr 0 0 0 10 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Date 04/20 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 56 73 60 79 57 79 58 79 Temp 72 66 58 57 67 63 61 62 75 69 61 59 74 68 60 62 73 67 Dewpt 41 38 40 38 41 48 52 51 47 46 45 44 44 45 49 50 51 52 PWind dir N NE SE S W NW E SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B1 B2 B2 B2 B2 B2 B1 SC SC SC SC FW SC SC B1 B1 B1 PoP 12hr 5 10 30 50 20 10 5 10 20 Rain shwrs C C C S S $$ WVZ052-180800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 353 PM EDT Thu Apr 17 2025 Date 04/17/25 Fri 04/18/25 Sat 04/19/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 40 78 60 88 60 Temp 63 56 47 44 42 46 63 73 78 71 66 63 62 65 73 81 85 77 70 66 63 62 Dewpt 23 27 29 31 32 36 40 43 45 46 48 49 49 50 52 55 54 53 54 53 51 48 RH 21 32 49 60 67 68 43 34 31 41 52 60 62 58 48 41 35 43 57 63 65 60 Wind dir W SE S S SE S S S S S S S S SW SW SW SW W W W NW NW Wind spd 3 3 2 3 4 5 11 17 18 13 11 10 9 9 10 11 11 9 6 6 6 8 Wind gust 28 Clouds CL FW SC SC B1 FW B1 B1 SC SC SC SC B2 B2 B2 B1 SC B1 B1 B2 B2 B2 PoP 12hr 0 0 0 20 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Heat index 81 Max heat 81 84 Date 04/20 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 71 52 73 55 76 49 77 54 76 Temp 69 63 55 54 68 66 60 59 72 65 54 54 72 68 57 58 72 66 Dewpt 43 41 42 42 47 51 52 51 45 43 42 44 44 47 49 50 51 52 PWind dir N E SE SW W NW S SE S Wind char LT LT GN LT GN LT LT LT LT Avg clouds B2 B1 B2 B2 B2 B1 B2 B1 SC SC SC SC FW SC SC SC B1 B1 PoP 12hr 10 10 40 50 20 5 5 10 30 Rain shwrs C C S S S C Tstms S $$ VAZ506-180800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 353 PM EDT Thu Apr 17 2025 Date 04/17/25 Fri 04/18/25 Sat 04/19/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 44 78 64 86 63 Temp 64 58 51 47 45 49 64 73 78 73 69 66 64 65 74 80 85 79 73 68 65 64 Dewpt 27 29 31 35 37 40 46 48 49 50 52 53 53 54 56 57 58 58 58 57 55 53 RH 24 33 46 63 73 71 52 41 36 44 55 63 67 68 53 45 40 49 59 68 70 67 Wind dir NW SE S S S S S S S S S S S S SW SW SW SW SW W NW NW Wind spd 4 3 3 4 6 8 13 17 17 13 13 13 12 12 12 12 12 9 6 5 6 8 Wind gust 28 28 Clouds CL FW SC SC SC FW SC B1 FW SC SC SC B1 B1 B2 B2 B1 B1 B1 B2 B2 B2 PoP 12hr 0 0 0 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 80 84 Date 04/20 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 55 75 58 77 52 78 56 78 Temp 73 68 58 56 70 67 60 60 75 69 58 56 74 70 58 59 74 68 Dewpt 48 46 45 43 48 54 55 54 51 48 47 46 47 50 53 54 56 57 PWind dir N E SE SW W NW SW SE S Wind char LT LT GN LT GN LT LT LT LT Avg clouds B2 B1 B2 B2 B2 B1 B2 B1 SC SC SC SC SC SC SC SC B1 B1 PoP 12hr 5 10 30 40 20 10 5 10 20 Rain shwrs C C S S S Tstms S $$ VAZ037-180800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 353 PM EDT Thu Apr 17 2025 Date 04/17/25 Fri 04/18/25 Sat 04/19/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 44 78 60 86 63 Temp 65 59 52 49 46 49 63 74 78 73 68 65 63 64 74 81 84 79 73 69 66 66 Dewpt 29 31 32 32 33 37 43 45 45 46 47 49 49 51 53 54 53 54 53 53 52 53 RH 26 34 46 52 60 63 48 35 31 38 47 56 60 63 48 39 34 42 49 57 61 63 Wind dir S S SW S S S S S S S SW SW SW SW SW SW SW SW SW SW W NW Wind spd 6 5 3 3 3 5 10 13 14 12 11 10 10 10 10 10 11 10 8 5 4 4 Wind gust 24 26 20 21 23 Clouds FW FW SC SC SC FW SC FW SC SC SC SC B1 B2 B1 B1 B1 B1 B1 B1 B2 B2 PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 Max heat 81 83 Date 04/20 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 57 79 58 79 53 81 56 80 Temp 76 70 61 58 72 70 63 62 76 71 59 58 77 72 60 61 74 70 Dewpt 51 51 47 46 50 52 53 52 48 46 45 45 47 47 50 52 53 54 PWind dir E E S SW W NW SE SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B1 B2 B2 B2 B1 B1 B1 SC B1 SC SC SC SC SC B1 B1 B1 PoP 12hr 10 10 30 30 20 10 10 10 30 Rain shwrs C C S S C Tstms S $$ MDZ003-180800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 353 PM EDT Thu Apr 17 2025 Date 04/17/25 Fri 04/18/25 Sat 04/19/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 43 75 61 85 60 Temp 62 55 48 46 44 48 62 72 75 70 66 63 62 64 73 80 83 76 70 65 61 60 Dewpt 27 30 29 30 33 37 43 47 48 49 50 51 51 52 55 58 57 57 57 55 51 48 RH 26 38 47 53 65 65 50 41 38 47 56 65 67 65 53 47 41 52 63 70 70 64 Wind dir W S SE S S S S S S S S S S S SW SW SW W W NW NW NW Wind spd 4 3 3 3 5 6 12 14 18 13 12 10 10 9 10 11 11 8 6 6 6 6 Wind gust 26 29 21 21 Clouds CL FW SC SC B1 SC B1 B1 SC SC SC SC B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 PoP 12hr 0 0 0 20 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Heat index 81 Max heat 81 82 Date 04/20 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 52 71 54 73 49 76 54 75 Temp 69 63 55 53 67 65 58 58 71 64 54 54 71 67 57 58 71 66 Dewpt 43 41 41 40 48 51 53 52 47 46 44 44 47 50 49 52 54 54 PWind dir N E SE S W NW SW SE S Wind char LT LT GN LT GN LT LT LT LT Avg clouds B2 B1 B1 B2 B2 B2 B2 B1 SC SC SC SC FW SC SC B1 B1 B1 PoP 12hr 10 10 40 50 20 10 5 10 30 Rain shwrs C C S S S C $$ MDZ017-180800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 353 PM EDT Thu Apr 17 2025 Date 04/17/25 Fri 04/18/25 Sat 04/19/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 49 72 62 82 63 Temp 61 55 51 50 50 54 63 67 67 64 64 63 63 64 72 78 79 74 71 68 66 65 Dewpt 33 37 40 43 43 45 47 49 50 51 52 53 53 54 56 57 58 58 57 57 56 56 RH 35 51 66 77 77 71 56 52 54 63 65 70 70 70 57 48 49 57 61 68 70 73 Wind dir S S S S S S S S S S S S SW SW SW SW SW SW SW SW W NW Wind spd 5 4 5 6 6 9 11 14 16 12 12 13 14 13 13 13 12 10 10 8 8 8 Clouds CL FW FW SC SC SC SC SC SC FW FW FW B1 B1 SC SC B1 SC B1 B1 B1 B2 PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 04/20 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 55 71 60 75 56 73 56 74 Temp 69 63 58 57 66 61 62 62 72 65 59 59 69 63 58 60 70 63 Dewpt 50 48 48 45 49 52 56 55 55 53 51 49 49 51 53 54 56 55 PWind dir N E SE S W NW E SE SE Wind char GN LT GN GN LT LT LT LT LT Avg clouds B2 B1 B2 B2 B2 B1 B2 B1 B1 SC B1 SC SC FW SC B1 B1 B1 PoP 12hr 5 10 20 40 30 20 10 20 20 Rain shwrs S C C C S S S Tstms S $$ WVZ502-180800- Petersburg WV 38.99N 79.15W Elev. 963 ft 353 PM EDT Thu Apr 17 2025 Date 04/17/25 Fri 04/18/25 Sat 04/19/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 43 81 62 87 59 Temp 65 58 49 46 46 49 67 77 80 72 66 65 66 66 75 83 85 76 69 66 63 62 Dewpt 28 34 34 34 35 37 42 45 47 50 50 48 47 50 55 55 54 53 54 55 54 53 RH 25 40 56 63 65 63 40 32 31 46 56 54 50 56 50 38 35 45 59 68 72 72 Wind dir E E S S S S S S S S SW SW SW SW W W W W W W W NW Wind spd 3 2 3 3 4 4 9 13 13 9 9 8 9 6 8 11 11 5 5 4 3 3 Wind gust 18 23 21 16 Clouds FW SC SC SC SC SC FW FW FW SC FW B1 B2 B2 B1 B1 SC B1 B1 B1 B2 B2 PoP 12hr 0 0 0 20 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Date 04/20 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 55 78 54 76 47 81 54 78 Temp 74 68 59 56 73 68 60 57 72 65 52 52 76 69 58 58 74 68 Dewpt 54 54 50 49 54 55 53 50 46 46 45 44 48 52 50 51 56 57 PWind dir NW SE S SW W W S S S Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 B2 B1 B1 B1 B1 B1 SC SC SC FW SC SC SC B1 B1 PoP 12hr 10 10 40 40 20 5 10 10 30 Rain shwrs C C S S C Tstms S $$ MDZ014-180800- Annapolis MD 38.99N 76.49W Elev. 7 ft 353 PM EDT Thu Apr 17 2025 Date 04/17/25 Fri 04/18/25 Sat 04/19/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 47 67 60 80 61 Temp 60 56 50 49 49 51 60 64 66 63 63 63 63 64 70 75 78 74 70 67 64 63 Dewpt 30 33 38 39 41 42 44 47 48 49 52 52 53 54 54 56 57 56 57 56 54 51 RH 32 42 63 68 74 71 55 54 52 60 67 67 70 70 57 52 48 53 63 68 70 65 Wind dir W S S S S S S S S S S S SW SW SW SW SW SW SW W NW NW Wind spd 6 4 4 3 5 6 11 14 17 13 11 11 10 12 11 12 11 10 8 5 5 5 Clouds CL FW SC SC SC FW FW B1 FW FW FW SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 PoP 12hr 0 0 0 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 04/20 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 70 53 67 57 73 54 71 55 72 Temp 66 63 55 55 62 61 58 60 69 66 57 57 67 64 57 58 67 64 Dewpt 45 43 45 42 45 50 54 53 50 48 47 46 47 48 51 51 53 53 PWind dir N E SE S W NW E S SE Wind char LT LT LT LT GN LT LT LT LT Avg clouds B2 B1 B1 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC B1 B1 B1 PoP 12hr 5 10 20 50 30 10 5 10 20 Rain shwrs S C C C S Tstms S $$