Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
228 FOUS51 KLWX 030537 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 136 AM EDT Fri May 3 2024 VAZ054-032000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 136 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 69 57 75 Temp 66 67 74 78 78 68 60 57 55 56 59 66 69 65 60 60 61 62 66 71 73 71 Dewpt 55 54 54 54 53 49 49 49 49 51 52 52 53 52 52 53 55 58 60 61 62 61 RH 68 63 50 43 42 51 67 75 80 83 78 61 57 63 75 78 81 87 81 71 68 71 Wind dir NE E E E E E E E E E E E E SE E E E SE S S S SE Wind spd 11 14 10 11 13 12 10 9 9 9 9 10 11 12 11 10 9 8 9 10 11 9 Clouds B1 SC SC B1 SC SC B1 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 PoP 12hr 5 20 40 80 70 QPF 12hr 0 0.04 0.11 0.51 0.20 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C L L D D L L L L C Tstms S S C C C 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 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 40 50 50 50 30 30 40 50 Rain shwrs C S C C S S C C S C C S S C Tstms C C C S S C C S C $$ MDZ013-032000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 136 AM EDT Fri May 3 2024 Date Fri 05/03/24 Sat 05/04/24 Sun 05/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 51 69 54 72 Temp 63 66 74 74 74 65 56 53 52 54 58 65 66 62 57 56 56 60 64 68 69 67 Dewpt 52 53 54 53 51 49 49 49 49 50 51 52 52 51 51 51 53 56 59 61 62 61 RH 67 63 50 48 44 56 77 86 89 86 77 63 61 67 80 83 90 87 84 78 78 81 Wind dir E E E E E E E E E E E E E E E E E E SE SE SE SE Wind spd 8 10 10 11 13 11 9 6 8 8 9 10 11 12 12 11 11 10 10 10 10 8 Clouds B1 SC B1 B1 SC SC B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 PoP 12hr 0 20 30 70 70 QPF 12hr 0 0.07 0.10 0.50 0.34 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C L L L L L L L L C Tstms C C C Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 78 63 81 63 84 65 84 Temp 63 65 76 72 64 65 77 73 66 67 81 77 68 68 81 75 Dewpt 62 63 64 64 62 63 61 63 63 64 64 63 62 64 63 62 PWind dir S S SW SE S SW SW SW Wind char LT LT LT LT GN GN GN GN Avg clouds B2 B2 B2 B2 B2 B1 B1 SC B1 B1 B1 B1 B1 B1 B2 B1 PoP 12hr 40 40 40 40 30 40 40 50 Rain shwrs C S C C S C C C S S C C C C C Tstms C S C S S S C S S $$ MDZ011-032000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 136 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 74 59 77 Temp 68 70 78 80 80 69 61 58 57 58 63 69 72 64 62 61 61 63 67 72 74 70 Dewpt 51 51 51 52 50 49 48 48 49 49 49 50 50 49 49 51 52 54 56 59 60 60 RH 54 51 39 38 35 49 62 69 75 72 60 51 46 58 62 70 72 72 68 64 62 71 Wind dir NE E E E SE E E E E E E E E E E E E E SE SE SE SE Wind spd 6 8 10 11 12 11 8 6 6 8 9 10 11 12 12 11 10 10 10 10 10 8 Clouds B1 SC B1 B1 SC SC B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 PoP 12hr 0 20 30 70 70 QPF 12hr 0 0.06 0.11 0.52 0.40 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 C C C Heat index 80 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 B2 B2 B2 B2 B2 B1 B1 SC B1 B1 B1 SC B1 B2 B2 B1 PoP 12hr 40 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 C S S C S S S C S S $$ WVZ052-032000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 136 AM EDT Fri May 3 2024 Date Fri 05/03/24 Sat 05/04/24 Sun 05/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 50 65 52 70 Temp 58 63 72 79 79 70 61 57 52 53 55 59 64 62 58 56 56 57 61 67 70 69 Dewpt 50 51 53 55 54 51 49 49 48 50 49 51 51 50 50 51 52 53 56 59 60 59 RH 75 65 51 44 42 51 65 75 86 89 80 75 63 65 75 83 86 86 84 75 71 70 Wind dir N NE E SE SE SE E E E E SE SE SE SE SE SE SE SE SE SE SE E Wind spd 3 4 6 9 11 10 8 8 6 8 8 9 9 10 11 10 8 6 6 8 9 9 Clouds SC SC B1 SC SC B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 20 40 60 90 80 QPF 12hr 0 0.16 0.42 0.37 0.22 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C L L L L D D D D D D L L C Tstms S S C C C Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 76 58 79 61 83 62 82 Temp 60 62 73 69 62 63 76 72 64 66 80 75 65 66 79 73 Dewpt 59 60 61 60 58 59 59 61 59 62 61 59 59 61 60 57 PWind dir E S W SW S SW SW W Wind char LT LT LT LT LT GN GN GN Avg clouds B2 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 SC B1 B2 B2 B1 PoP 12hr 30 60 40 60 40 50 50 60 Rain shwrs C C L C S C L C S C C C C C L Tstms C C C S S C C S C $$ VAZ506-032000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 136 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 68 55 73 Temp 63 66 76 79 79 68 61 56 54 56 59 63 66 64 60 58 59 61 65 70 72 70 Dewpt 56 54 55 55 55 52 51 50 51 51 52 53 54 53 53 53 55 58 62 63 63 63 RH 78 65 48 44 44 57 70 80 90 83 78 70 65 67 78 83 87 90 90 78 73 78 Wind dir NE E E E SE SE E E E E E SE E SE SE E SE SE S S SE SE Wind spd 5 8 8 9 11 11 8 6 6 6 8 9 9 11 11 11 9 9 10 9 10 9 Clouds SC SC SC SC SC B1 B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 PoP 12hr 10 30 50 80 80 QPF 12hr 0 0.06 0.25 0.47 0.19 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C D D D D D D L L C Tstms S S S C C C 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 65 65 76 72 65 66 79 74 67 68 84 79 69 69 83 77 Dewpt 62 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 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B1 PoP 12hr 40 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 C C C S S S C C S C $$ VAZ037-032000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 136 AM EDT Fri May 3 2024 Date Fri 05/03/24 Sat 05/04/24 Sun 05/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 58 74 61 78 Temp 67 70 83 88 89 76 67 62 59 60 62 66 72 67 66 64 64 66 69 75 78 74 Dewpt 53 55 58 57 56 57 54 53 52 52 53 54 55 54 55 56 57 58 60 61 61 61 RH 61 59 43 35 33 52 63 72 78 75 72 65 55 63 68 75 78 75 73 62 56 64 Wind dir NW NE E SE SE E E E NE E E E E E E E SE SE S S S S Wind spd 2 4 4 6 6 9 6 5 6 6 5 5 5 8 8 6 6 6 6 10 10 8 Clouds SC SC B1 B2 B2 B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 PoP 12hr 40 40 60 80 80 QPF 12hr 0.04 0.07 0.23 0.62 0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S C C C C L L D D L L L L D D C Tstms S S S S S S S C C C Heat index 83 Max heat 87 88 Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 82 65 85 66 88 67 88 Temp 66 67 78 75 68 66 81 78 70 69 86 80 71 70 85 79 Dewpt 60 61 63 61 60 61 61 61 60 62 61 61 61 61 61 60 PWind dir SW S W SW SW SW SW SW Wind char LT LT LT LT LT GN GN GN Avg clouds B1 B1 B2 B2 B2 B1 B1 SC SC SC SC SC B1 B1 B1 B1 PoP 12hr 30 70 40 60 20 40 30 50 Rain shwrs C C L C S C L S C C S C C Tstms C C C S S S C C S C $$ MDZ003-032000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 136 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 64 52 69 Temp 59 63 73 78 78 69 60 56 52 54 57 61 63 62 58 56 56 57 61 66 69 67 Dewpt 50 51 54 56 55 52 50 49 49 50 51 52 52 51 51 51 53 54 57 60 61 61 RH 72 65 51 47 45 55 69 77 89 86 80 72 67 67 77 83 90 90 87 81 76 81 Wind dir NE E E SE SE SE SE SE E E SE SE SE SE SE SE SE E SE SE SE E Wind spd 5 5 5 9 11 10 9 9 6 8 9 10 10 12 13 13 11 9 8 8 9 8 Clouds SC SC B1 B1 SC B1 OV B2 OV OV OV OV OV OV OV OV OV OV OV OV B1 B2 PoP 12hr 10 30 60 90 70 QPF 12hr 0 0.20 0.45 0.36 0.23 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L L L L D D D D L L L L C Tstms C S C 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 61 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 SE W SW S S SW SW SW Wind char LT LT LT LT LT GN GN GN Avg clouds B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC B1 B2 B2 B1 PoP 12hr 30 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 C S C S S C C S C $$ MDZ017-032000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 136 AM EDT Fri May 3 2024 Date Fri 05/03/24 Sat 05/04/24 Sun 05/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 55 73 60 79 Temp 67 67 72 75 75 64 58 56 55 57 63 69 70 63 60 60 61 64 70 73 71 67 Dewpt 58 56 56 55 53 51 51 51 51 53 54 54 54 54 54 55 56 59 61 62 61 61 RH 73 68 57 50 46 63 77 83 86 86 72 59 57 72 81 84 84 84 73 68 71 81 Wind dir E E E E E E E E E E E SE SE SE SE SE SE SE S S S S Wind spd 5 8 9 12 13 12 10 9 9 9 11 11 13 14 14 14 16 13 13 13 13 11 Clouds B1 SC SC SC SC B1 B1 B2 OV OV OV OV OV B2 OV OV OV OV OV B2 B1 B2 PoP 12hr 5 20 20 50 60 QPF 12hr 0 0.06 0.01 0.37 0.26 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S C C C C L L L L C Tstms S S C Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 78 65 80 65 84 67 85 Temp 67 67 75 70 67 67 77 71 67 68 81 74 69 70 82 75 Dewpt 61 63 65 64 62 63 63 63 62 64 64 63 62 64 65 63 PWind dir S S SW SW SW SW S SW Wind char GN GN LT GN GN GN GN GN Avg clouds B2 B2 B2 B2 B2 B2 B1 SC B1 B1 SC SC SC B1 B1 B1 PoP 12hr 40 50 50 40 20 20 40 40 Rain shwrs C S S C C C S C S S C S S C Tstms C S S C C S S C S S $$ WVZ502-032000- Petersburg WV 38.99N 79.15W Elev. 963 ft 136 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 73 58 79 Temp 61 66 79 85 85 74 67 64 58 59 61 67 71 66 62 62 60 61 68 75 78 72 Dewpt 54 54 57 58 61 62 61 59 57 56 57 57 57 57 57 56 56 57 60 63 63 62 RH 78 65 47 40 45 66 81 84 96 90 87 70 61 73 84 81 87 87 76 66 60 71 Wind dir N NE E SE E SE SE SE E SE SE SE SE SE SE SE SE S S S SW SE Wind spd 1 1 2 4 6 4 3 3 3 3 4 5 6 6 5 5 4 5 5 8 8 5 Clouds SC SC B1 B2 OV B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 PoP 12hr 70 60 80 80 80 QPF 12hr 0.15 0.33 0.31 0.18 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C C L L L L D D D D L L L L D D S Tstms S C S S S S S S S C C S Heat index 85 Max heat 84 85 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 62 63 76 71 63 63 78 74 66 67 81 76 67 66 80 75 Dewpt 60 61 63 62 60 61 62 63 61 62 61 62 61 62 62 60 PWind dir S SW SW SW SW W SW W Wind char LT LT LT GN GN GN GN BZ Avg clouds B1 B1 B2 B2 B1 B1 SC SC SC B1 SC SC B1 B1 B1 B1 PoP 12hr 20 70 40 60 40 50 50 60 Rain shwrs S 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 $$ MDZ014-032000- Annapolis MD 38.99N 76.49W Elev. 7 ft 136 AM EDT Fri May 3 2024 Date Fri 05/03/24 Sat 05/04/24 Sun 05/05/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 53 70 56 73 Temp 63 65 72 73 73 64 56 55 54 56 60 64 67 63 59 58 59 62 65 68 70 68 Dewpt 56 53 54 55 53 50 50 50 50 50 52 53 53 51 52 53 54 57 59 62 62 61 RH 78 65 53 53 49 60 80 83 86 80 75 67 61 65 78 83 83 84 81 81 76 78 Wind dir E E E E E E E E E E E E E SE E SE SE SE S S S SE Wind spd 8 9 11 11 12 12 10 8 9 9 10 10 11 13 13 12 11 10 10 11 12 10 Clouds B1 SC SC B1 SC SC B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 PoP 12hr 0 20 30 70 70 QPF 12hr 0 0.07 0.09 0.60 0.30 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C L L L L L L C Tstms C C C Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 76 65 78 65 82 67 82 Temp 65 66 73 72 67 66 75 73 68 67 78 76 69 69 78 75 Dewpt 62 63 65 64 63 62 62 62 63 64 65 63 63 64 65 62 PWind dir S S SW E S SW S SW Wind char GN LT LT LT GN GN GN GN Avg clouds B2 B2 B2 B2 B2 B1 B1 SC B1 B1 B1 SC B1 B1 B1 B1 PoP 12hr 40 50 40 40 30 30 40 50 Rain shwrs C S S C C S C C C S C C S S C Tstms C S S C S S S C S S $$