Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
989 FOUS51 KLWX 031000 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 600 AM EDT Fri May 3 2024 VAZ054-032000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 600 AM EDT Fri May 3 2024 Date Fri 05/03/24 Sat 05/04/24 Sun 05/05/24 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 55 62 57 73 Temp 69 73 78 75 66 60 56 55 55 58 62 62 60 57 57 57 60 65 70 73 68 Dewpt 55 55 54 52 49 48 49 49 50 51 52 52 50 50 51 53 57 59 61 62 61 RH 61 53 43 45 54 64 77 80 83 77 70 70 69 77 80 86 90 81 73 68 78 Wind dir E E E E E E E E E E E E E E E E SE SE S S SE Wind spd 11 16 14 14 11 10 9 11 9 9 9 10 11 12 13 12 11 11 10 9 8 Clouds SC B1 B1 B1 B1 B1 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 5 20 70 80 80 QPF 12hr 0 0.12 0.14 0.17 0.24 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L L L D D D D D D D D C Tstms S S S S S Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 64 80 65 83 67 86 69 87 Temp 65 67 77 73 67 66 79 75 69 69 84 79 71 70 84 78 Dewpt 62 64 63 63 62 63 61 62 63 65 63 63 63 64 63 61 PWind dir S SW SW SW S SW SW SW Wind char LT LT LT LT LT GN GN GN Avg clouds OV OV B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 50 50 50 50 30 30 40 50 Rain shwrs C S S C C S S C C S C C S S C Tstms S C C S S C C S C $$ MDZ013-032000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 600 AM EDT Fri May 3 2024 Date Fri 05/03/24 Sat 05/04/24 Sun 05/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 51 60 54 70 Temp 67 71 74 71 62 55 52 51 53 56 60 59 57 56 56 54 56 61 68 70 65 Dewpt 54 54 53 51 49 48 49 49 50 51 51 51 50 49 50 51 55 57 60 61 60 RH 63 55 48 49 62 77 89 93 89 83 72 75 77 77 80 90 96 87 76 73 84 Wind dir E E E E E E E E E E E E E E E E SE SE SE S S Wind spd 11 13 12 13 11 10 8 8 9 9 10 11 11 10 10 10 10 10 9 9 8 Clouds SC B1 B1 B1 B1 B1 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 0 20 60 80 80 QPF 12hr 0 0.13 0.16 0.21 0.32 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L L L D D D D D D D D C Tstms S S S S S Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 78 63 81 63 84 65 84 Temp 63 65 76 72 64 65 77 73 66 67 81 77 68 68 81 75 Dewpt 62 63 64 64 62 63 61 63 63 64 64 63 62 64 63 62 PWind dir S S SW SE S SW SW SW Wind char LT LT LT LT GN GN GN GN Avg clouds OV OV B2 B2 B2 B1 B1 SC B1 B1 B1 B1 B1 B1 B2 B1 PoP 12hr 50 40 40 40 30 40 40 50 Rain shwrs C S S C C S C C C S S C C C C C Tstms S S C S S S C S S $$ MDZ011-032000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 600 AM EDT Fri May 3 2024 Date Fri 05/03/24 Sat 05/04/24 Sun 05/05/24 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 80 57 65 59 75 Temp 70 75 80 76 67 61 58 57 59 61 64 65 62 59 59 59 61 65 72 75 70 Dewpt 52 52 52 50 48 48 48 49 49 49 49 49 48 49 49 51 53 55 58 59 60 RH 53 45 38 40 50 62 69 75 69 65 58 56 60 69 69 75 75 70 61 58 71 Wind dir E E E E E E E E E E E E E E E E SE SE SE S S Wind spd 11 12 12 13 11 9 8 8 9 9 9 11 10 10 10 10 10 10 9 9 8 Clouds SC B1 B1 B1 B1 B1 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 0 20 60 80 80 QPF 12hr 0 0.10 0.17 0.21 0.35 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L L L D D D D D D D D C Tstms S S S S S Heat index 80 Max heat 80 80 Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 67 83 67 85 68 88 69 88 Temp 67 67 79 77 70 67 81 78 71 69 84 81 73 70 84 80 Dewpt 61 61 63 62 61 60 58 60 62 62 63 62 62 63 62 61 PWind dir S SW SW SE S SW SW SW Wind char LT LT LT LT GN GN GN GN Avg clouds OV OV B2 B2 B2 B1 B1 SC B1 B1 B1 SC B1 B2 B2 B1 PoP 12hr 50 40 40 50 40 40 40 50 Rain shwrs C S S C C S C C C S S C C C C C Tstms S S C S S S C S S $$ WVZ052-032000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 600 AM EDT Fri May 3 2024 Date Fri 05/03/24 Sat 05/04/24 Sun 05/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 50 57 52 68 Temp 66 74 79 77 68 60 54 51 50 53 56 56 57 54 54 52 54 59 65 68 65 Dewpt 50 53 56 55 51 48 48 48 49 49 51 50 49 49 50 51 53 54 58 59 58 RH 56 48 45 47 54 64 80 89 96 86 83 80 75 83 86 96 96 83 78 73 78 Wind dir E E SE SE SE SE E E E E SE E SE SE SE E SE SE S S S Wind spd 4 9 10 12 9 9 6 6 6 8 9 9 8 8 8 5 5 4 5 5 4 Clouds SC B1 B1 B1 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 20 40 80 90 80 QPF 12hr 0 0.10 0.18 0.28 0.12 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C D D D D D D D D D D D D C Tstms S S S S S S Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 76 58 79 61 83 62 82 Temp 61 62 73 69 62 63 76 72 64 66 80 75 65 66 79 73 Dewpt 58 60 61 60 58 59 59 61 59 62 61 59 59 61 60 57 PWind dir SW S W SW S SW SW W Wind char LT LT LT LT LT GN GN GN Avg clouds OV OV B2 B2 B1 B1 B1 B1 B1 B1 B1 SC B1 B2 B2 B1 PoP 12hr 40 60 40 60 40 50 50 60 Rain shwrs C C L C S C L C S C C C C C L Tstms S C C S S C C S C $$ VAZ506-032000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 600 AM EDT Fri May 3 2024 Date Fri 05/03/24 Sat 05/04/24 Sun 05/05/24 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 79 53 60 55 71 Temp 69 76 79 77 66 59 54 53 53 55 60 58 58 55 55 55 57 63 69 71 68 Dewpt 55 57 56 55 51 50 50 50 52 52 52 52 52 52 52 54 57 59 61 62 62 RH 61 52 45 47 58 72 86 89 96 90 75 80 80 90 90 96100 87 76 73 81 Wind dir E E E E E E E E E E E E E E E E SE SE S S S Wind spd 9 10 11 12 11 9 6 6 6 8 8 9 8 10 9 8 8 8 8 6 4 Clouds SC B1 B1 B1 B1 B1 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 10 30 80 90 80 QPF 12hr 0 0.17 0.20 0.26 0.25 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D D D D D D D D D D D C Tstms S S S S S Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 63 78 63 81 64 86 65 86 Temp 63 65 76 72 65 66 79 74 67 68 84 79 69 69 83 77 Dewpt 63 63 64 64 62 63 63 65 64 65 64 63 63 65 64 62 PWind dir S SW SW SW S SW SW SW Wind char LT LT LT LT LT GN GN GN Avg clouds OV OV B2 B2 B2 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B1 PoP 12hr 50 60 40 50 30 40 40 50 Rain shwrs C S L C S C C C S S C C C C C Tstms S C C S S S C C S C $$ VAZ037-032000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 600 AM EDT Fri May 3 2024 Date Fri 05/03/24 Sat 05/04/24 Sun 05/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 58 65 61 77 Temp 64 81 88 87 76 66 61 59 59 59 64 65 65 63 65 61 64 69 75 77 75 Dewpt 55 58 57 55 56 54 52 51 52 52 53 53 53 54 55 55 56 59 61 61 60 RH 73 46 35 34 50 65 72 75 78 78 67 65 65 72 70 81 75 70 62 58 60 Wind dir NE E E SE E E E NE NE NE NE NE NE E E E SE S S S S Wind spd 3 5 5 8 6 6 5 4 4 5 5 5 6 5 4 4 3 4 8 5 4 Clouds SC B1 B1 B1 B1 B1 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 40 40 80 90 90 QPF 12hr 0.07 0.14 0.30 0.48 0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S C C D D D D D D D D D D D D C Tstms S S S S S S S S S S S S S S S Heat index 81 Max heat 87 87 Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 82 65 85 66 88 67 88 Temp 68 67 78 75 68 66 81 78 70 69 86 80 71 70 85 79 Dewpt 60 61 63 61 60 61 61 61 60 62 61 61 61 61 61 60 PWind dir SW S W SW SW SW SW SW Wind char LT LT LT LT LT GN GN GN Avg clouds OV OV B2 B2 B2 B1 B1 SC SC SC SC SC B1 B1 B1 B1 PoP 12hr 40 70 40 60 20 40 30 50 Rain shwrs C C L C S C L S C C S C C Tstms S C C S S S C C S C $$ MDZ003-032000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 600 AM EDT Fri May 3 2024 Date Fri 05/03/24 Sat 05/04/24 Sun 05/05/24 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 57 52 67 Temp 64 72 77 76 66 59 54 51 51 51 56 57 56 52 53 52 54 58 64 67 65 Dewpt 50 54 56 55 51 49 49 49 49 50 51 51 50 50 51 51 52 56 58 60 60 RH 60 53 48 48 58 69 83 93 93 96 83 80 80 93 93 96 93 93 81 78 84 Wind dir E E SE SE SE SE SE E E E E E SE SE SE E SE SE SE S S Wind spd 6 9 10 12 9 8 6 6 6 6 8 9 8 9 8 6 6 6 6 5 4 Clouds SC B1 B1 B1 B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 10 30 80 90 80 QPF 12hr 0 0.06 0.20 0.33 0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C D D D D D D D D D D D D C Tstms S S S S S Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 60 76 60 79 63 83 63 83 Temp 62 63 73 70 63 63 76 72 66 67 81 76 66 67 79 74 Dewpt 61 61 62 62 60 59 61 63 62 63 63 62 61 63 62 60 PWind dir S W SW S S SW SW SW Wind char LT LT LT LT LT GN GN GN Avg clouds OV OV B2 B2 B2 B1 B1 B1 B1 B1 B1 SC B1 B2 B2 B1 PoP 12hr 40 50 30 50 40 50 50 60 Rain shwrs C C C C S C C C C C C C C C L Tstms S S C S S C C S C $$ MDZ017-032000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 600 AM EDT Fri May 3 2024 Date Fri 05/03/24 Sat 05/04/24 Sun 05/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 55 67 60 78 Temp 70 70 75 71 62 57 55 55 58 58 67 64 64 60 62 64 65 73 78 74 71 Dewpt 57 57 56 53 51 51 50 51 52 53 54 53 53 52 53 55 58 59 61 60 60 RH 63 63 52 53 67 80 83 86 80 83 63 67 67 75 72 73 78 62 56 62 68 Wind dir E E E E E E E E E E E E E E E SE SE SE S SE SE Wind spd 10 12 12 13 14 11 10 10 11 11 12 13 14 13 13 16 14 14 14 14 12 Clouds SC B1 B1 B1 B1 B1 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 5 20 40 50 60 QPF 12hr 0 0.09 0.04 0.09 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C C C C C L L L L C Tstms S S S S S Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 78 65 80 65 84 67 85 Temp 69 67 75 70 67 67 77 71 67 68 81 74 69 70 82 75 Dewpt 61 63 65 64 62 63 63 63 62 64 64 63 62 64 65 63 PWind dir S S SW SW SW SW S SW Wind char GN GN LT GN GN GN GN GN Avg clouds OV OV B2 B2 B2 B2 B1 SC B1 B1 SC SC SC B1 B1 B1 PoP 12hr 50 50 50 40 20 20 40 40 Rain shwrs C C S C C C S C S S C S S C Tstms S S C C S S C S S $$ WVZ502-032000- Petersburg WV 38.99N 79.15W Elev. 963 ft 600 AM EDT Fri May 3 2024 Date Fri 05/03/24 Sat 05/04/24 Sun 05/05/24 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 85 58 65 58 78 Temp 61 76 85 80 72 64 61 58 58 58 65 64 62 59 59 58 61 66 77 76 74 Dewpt 55 58 58 60 62 61 59 56 55 55 57 56 55 55 55 55 56 59 62 63 62 RH 81 54 40 51 71 90 93 93 90 90 75 75 78 87 87 90 84 78 60 64 66 Wind dir N E SE S E E E E E E SE SE SE SE SE SE SE S S S S Wind spd 2 3 3 4 4 3 3 3 3 4 4 4 4 3 3 2 3 4 5 3 3 Clouds B1 B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 70 60 90 90 90 QPF 12hr 0.18 0.33 0.26 0.18 0.11 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C C L L D D D D D D D D D D D D C Tstms S C S S S S S S S S S S S S S S S Heat index 81 Max heat 84 84 Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 62 80 60 83 63 86 63 85 Temp 65 63 76 71 63 63 78 74 66 67 81 76 67 66 80 75 Dewpt 59 61 63 62 60 61 62 63 61 62 61 62 61 62 62 60 PWind dir SW SW SW SW SW W SW W Wind char LT LT LT GN GN GN GN BZ Avg clouds OV OV B2 B2 B1 B1 SC SC SC B1 SC SC B1 B1 B1 B1 PoP 12hr 30 70 40 60 40 50 50 60 Rain shwrs C C L C S C L C C C C C C C L Tstms S S C C S S S S C C S S C $$ MDZ014-032000- Annapolis MD 38.99N 76.49W Elev. 7 ft 600 AM EDT Fri May 3 2024 Date Fri 05/03/24 Sat 05/04/24 Sun 05/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 53 63 56 72 Temp 63 66 73 70 61 56 53 53 53 56 62 63 61 56 56 57 60 65 70 72 67 Dewpt 55 55 54 52 50 49 50 50 51 51 52 51 50 51 51 53 55 58 61 61 60 RH 75 68 51 53 67 77 89 89 93 83 70 65 67 83 83 86 84 78 73 68 78 Wind dir E E E E E E E E E E E E E E E E SE SE S S S Wind spd 12 13 12 14 13 10 9 9 10 10 10 12 12 12 11 12 12 12 13 12 11 Clouds SC B1 B1 B1 B1 B1 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 0 20 50 70 70 QPF 12hr 0 0.18 0.13 0.21 0.24 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C L L L L L L L L C Tstms S S S S S Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 76 65 78 65 82 67 82 Temp 64 66 73 72 67 66 75 73 68 67 78 76 69 69 78 75 Dewpt 62 63 65 64 63 62 62 62 63 64 65 63 63 64 65 62 PWind dir S S SW E S SW S SW Wind char LT LT LT LT GN GN GN GN Avg clouds OV OV B2 B2 B2 B1 B1 SC B1 B1 B1 SC B1 B1 B1 B1 PoP 12hr 50 50 40 40 30 30 40 50 Rain shwrs C C S C C S C C C S C C S S C Tstms S S C S S S C S S $$