Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
918 FOUS51 KLWX 030239 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1039 PM EDT Thu May 2 2024 VAZ054-030800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1039 PM EDT Thu May 2 2024 Date 05/02/24 Fri 05/03/24 Sat 05/04/24 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 66 80 55 69 60 Temp 76 71 66 67 74 80 80 68 60 57 55 56 59 66 69 65 60 60 61 62 Dewpt 60 57 55 54 54 54 53 49 49 49 49 51 52 52 53 52 52 53 55 58 RH 58 61 68 63 50 41 39 51 67 75 80 83 78 61 57 63 75 78 81 87 Wind dir N NE NE E E E E E E E E E E E E SE E E E SE Wind spd 3 9 11 14 10 11 13 12 10 9 9 9 9 10 11 12 11 10 9 8 Clouds B1 FW SC B1 B1 B2 B1 B1 B2 B2 OV OV OV OV OV OV OV OV OV OV PoP 12hr 5 5 40 40 80 QPF 12hr 0 0 0.06 0.11 0.51 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C C L L D D L Tstms S S Heat index 80 80 Max heat 80 80 Date 05/05 Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 65 80 66 84 68 87 67 87 Temp 71 71 65 67 77 75 68 68 81 78 70 70 85 80 70 70 84 79 Dewpt 61 61 62 62 62 63 62 63 62 63 63 64 64 63 62 63 61 60 PWind dir SE S SW S SW S SW SW W Wind char GN LT LT LT GN GN GN GN GN Avg clouds OV B2 B2 B2 B2 B2 B2 B2 B1 B1 SC B1 B1 SC SC B1 B1 B1 PoP 12hr 70 40 40 40 40 30 30 40 40 Rain shwrs L L C C C S S C C S C C S S C Tstms C C C C S C C S C C S C $$ MDZ013-030800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1039 PM EDT Thu May 2 2024 Date 05/02/24 Fri 05/03/24 Sat 05/04/24 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 77 52 66 55 Temp 76 70 63 66 74 77 77 65 56 53 52 54 58 65 66 62 57 56 56 60 Dewpt 54 53 52 53 54 53 51 49 49 49 49 50 51 52 52 51 51 51 53 56 RH 46 55 67 63 50 43 40 56 77 86 89 86 77 63 61 67 80 83 90 87 Wind dir NE NE E E E E E E E E E E E E E E E E E E Wind spd 2 5 8 10 10 11 13 11 9 6 8 8 9 10 11 12 12 11 11 10 Clouds FW FW SC B1 B1 B2 B1 B1 B2 OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 5 0 30 30 70 QPF 12hr 0 0 0.09 0.10 0.50 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C L L L L L Date 05/05 Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 69 61 77 63 80 64 84 65 84 Temp 68 67 62 63 75 73 64 65 80 74 66 66 82 78 67 67 81 77 Dewpt 61 61 62 61 62 63 62 63 63 64 63 64 64 64 62 63 62 60 PWind dir SE S SE S S SW SW SW W Wind char GN LT LT LT GN GN GN GN GN Avg clouds OV B2 B2 B2 B2 B2 B2 B2 B1 B1 SC B1 B1 SC SC B1 B1 B1 PoP 12hr 70 40 40 30 40 40 40 40 40 Rain shwrs L L C S C C S S C C C S C C C S C Tstms C C C C S C C S S C C S C $$ MDZ011-030800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1039 PM EDT Thu May 2 2024 Date 05/02/24 Fri 05/03/24 Sat 05/04/24 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 68 84 57 72 60 Temp 78 73 68 70 78 84 84 69 61 58 57 58 63 69 72 64 62 61 61 63 Dewpt 58 54 51 51 51 52 50 49 48 48 49 49 49 50 50 49 49 51 52 54 RH 50 51 54 51 39 33 31 49 62 69 75 72 60 51 46 58 62 70 72 72 Wind dir NE NE NE E E E SE E E E E E E E E E E E E E Wind spd 3 5 6 8 10 11 12 11 8 6 6 8 9 10 11 12 12 11 10 10 Clouds FW FW SC B1 B1 B2 B1 B1 B2 OV OV B2 OV OV OV OV OV OV OV OV PoP 12hr 5 0 30 30 70 QPF 12hr 0 0 0.09 0.11 0.52 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C L L L L L Date 05/05 Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 67 83 68 86 70 89 70 89 Temp 72 70 67 69 80 75 70 70 83 78 71 72 86 81 72 73 85 79 Dewpt 59 60 61 60 61 61 61 61 62 63 62 62 63 62 61 61 61 59 PWind dir SE S SE S S SW SW SW W Wind char GN LT LT LT GN GN GN GN GN Avg clouds OV B2 B2 B2 B2 B2 B2 B2 B1 B1 SC B1 B1 SC SC B1 B1 B1 PoP 12hr 70 40 40 30 40 40 40 40 40 Rain shwrs L L C S S C C S C C C C S C C C S C Tstms C C S C C S C C S S C C S C $$ WVZ052-030800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1039 PM EDT Thu May 2 2024 Date 05/02/24 Fri 05/03/24 Sat 05/04/24 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 80 52 64 55 Temp 70 64 58 63 72 79 80 70 61 57 52 53 55 59 64 62 58 56 56 57 Dewpt 55 53 50 51 53 55 54 51 49 49 48 50 49 51 51 50 50 51 52 53 RH 59 67 75 65 51 44 41 51 65 75 86 89 80 75 63 65 75 83 86 86 Wind dir N N N NE E SE SE SE E E E E SE SE SE SE SE SE SE SE Wind spd 3 3 3 4 6 9 11 10 8 8 6 8 8 9 9 10 11 10 8 6 Clouds SC FW SC SC B2 B1 B1 B2 B1 B2 OV OV OV OV OV OV OV OV OV OV PoP 12hr 5 20 50 60 90 QPF 12hr 0 0 0.16 0.42 0.37 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C L L L L D D D D D Tstms S S S Heat index 80 Max heat 80 Date 05/05 Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 71 58 78 60 81 61 85 61 82 Temp 67 69 60 60 75 74 63 62 78 76 65 65 82 78 65 64 78 76 Dewpt 59 59 59 59 60 59 59 61 62 62 59 62 61 59 58 60 59 57 PWind dir SE E SE S SW SW W SW W Wind char LT LT LT LT GN LT GN GN BZ Avg clouds OV B2 B2 B2 B2 B1 B2 B2 B1 SC SC B1 B1 SC SC B1 B1 SC PoP 12hr 80 30 50 40 50 40 50 40 50 Rain shwrs D L C C C C S C C C C C C C C C C Tstms C C C C S C C S S C C S S C $$ VAZ506-030800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1039 PM EDT Thu May 2 2024 Date 05/02/24 Fri 05/03/24 Sat 05/04/24 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 63 81 54 66 58 Temp 72 68 63 66 76 81 81 68 61 56 54 56 59 63 66 64 60 58 59 61 Dewpt 60 57 56 54 55 55 55 52 51 50 51 51 52 53 54 53 53 53 55 58 RH 66 68 78 65 48 41 41 57 70 80 90 83 78 70 65 67 78 83 87 90 Wind dir E NE NE E E E SE SE E E E E E SE E SE SE E SE SE Wind spd 2 3 5 8 8 9 11 11 8 6 6 6 8 9 9 11 11 11 9 9 Clouds SC SC SC SC B1 B1 B1 B1 B1 B2 OV OV OV OV OV OV OV OV OV OV PoP 12hr 5 5 50 50 80 QPF 12hr 0 0 0.12 0.25 0.47 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C D D D D D Tstms S S S Heat index 81 81 Max heat 81 81 Date 05/05 Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 63 79 63 82 65 87 65 85 Temp 70 70 65 64 77 74 65 66 81 78 68 68 85 81 68 68 82 78 Dewpt 63 63 62 63 63 64 63 64 64 65 64 66 64 64 63 64 62 61 PWind dir SE S S S SW SW SW SW W Wind char GN LT LT LT GN GN GN GN GN Avg clouds OV B2 B2 B2 B2 B2 B2 B2 B1 B1 SC B1 B1 SC SC B1 B1 B1 PoP 12hr 80 40 50 40 50 40 40 40 40 Rain shwrs D L C S C C S C C C S S C C C S C Tstms C C C C S C C S C C S C $$ VAZ037-030800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1039 PM EDT Thu May 2 2024 Date 05/02/24 Fri 05/03/24 Sat 05/04/24 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 89 59 72 63 Temp 75 71 67 70 83 88 89 76 67 62 59 60 62 66 72 67 66 64 64 66 Dewpt 54 54 53 55 58 57 56 57 54 53 52 52 53 54 55 54 55 56 57 58 RH 48 55 61 59 43 35 33 52 63 72 78 75 72 65 55 63 68 75 78 75 Wind dir W W NW NE E SE SE E E E NE E E E E E E E SE SE Wind spd 2 2 2 4 4 6 6 9 6 5 6 6 5 5 5 8 8 6 6 6 Clouds FW FW FW SC B1 B2 B1 B1 B2 OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 5 20 50 60 80 QPF 12hr 0 0.04 0.07 0.23 0.62 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C L L D D L L L Tstms S C S S S S S Heat index 83 Max heat 86 87 Date 05/05 Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 65 83 66 85 67 91 67 90 Temp 75 74 66 68 80 76 68 69 83 79 70 71 88 83 71 71 85 81 Dewpt 61 61 60 61 62 61 60 61 61 61 61 62 61 60 60 61 58 57 PWind dir S SW S SW SW SW SW SW W Wind char GN LT LT LT GN LT GN GN BZ Avg clouds B2 B2 B1 B2 B2 B1 B2 B1 B1 SC SC SC SC SC SC B1 B1 SC PoP 12hr 80 30 60 30 50 20 40 30 40 Rain shwrs L D C S L C S C S C C S S C Tstms S C C C C S C S C C S C $$ MDZ003-030800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1039 PM EDT Thu May 2 2024 Date 05/02/24 Fri 05/03/24 Sat 05/04/24 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 59 80 52 63 55 Temp 75 67 59 63 73 79 80 69 60 56 52 54 57 61 63 62 58 56 56 57 Dewpt 49 49 50 51 54 56 55 52 50 49 49 50 51 52 52 51 51 51 53 54 RH 40 52 72 65 51 45 42 55 69 77 89 86 80 72 67 67 77 83 90 90 Wind dir NE NE NE E E SE SE SE SE SE E E SE SE SE SE SE SE SE E Wind spd 4 5 5 5 5 9 11 10 9 9 6 8 9 10 10 12 13 13 11 9 Clouds SC FW SC SC B2 B2 SC B1 B2 OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 5 10 50 60 90 QPF 12hr 0 0 0.20 0.45 0.36 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L L L L D D D D L Tstms S S Heat index 80 Max heat 80 Date 05/05 Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 69 60 77 61 80 64 84 63 82 Temp 66 67 61 62 75 72 63 64 78 75 66 66 82 78 66 66 79 75 Dewpt 60 61 61 60 62 62 61 62 63 64 63 64 64 62 60 62 61 60 PWind dir SE SE S S SW SW SW SW W Wind char GN LT LT LT GN GN GN GN BZ Avg clouds OV B2 B2 B2 B2 B2 B2 B2 B1 SC B1 B2 B1 SC SC B1 B1 SC PoP 12hr 70 30 50 30 50 50 50 50 50 Rain shwrs L L C C C C S C C C C C C C C C C Tstms C C C C C C S S C C S S C $$ MDZ017-030800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1039 PM EDT Thu May 2 2024 Date 05/02/24 Fri 05/03/24 Sat 05/04/24 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 78 55 70 59 Temp 75 71 67 67 72 78 78 64 58 56 55 57 63 69 70 63 60 60 61 64 Dewpt 64 61 58 56 56 55 53 51 51 51 51 53 54 54 54 54 54 55 56 59 RH 69 71 73 68 57 45 42 63 77 83 86 86 72 59 57 72 81 84 84 84 Wind dir S SW E E E E E E E E E E E SE SE SE SE SE SE SE Wind spd 6 4 5 8 9 12 13 12 10 9 9 9 11 11 13 14 14 14 16 13 Clouds FW FW SC SC SC SC B1 SC B2 OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 5 0 30 20 50 QPF 12hr 0 0 0.06 0.01 0.37 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S S S C C C C L Date 05/05 Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 63 77 64 79 65 84 66 83 Temp 73 67 65 65 76 69 66 66 79 72 67 68 83 74 68 68 82 74 Dewpt 62 61 61 61 63 63 61 63 63 63 62 63 65 65 62 63 64 62 PWind dir S S S S SW SW SW SW SW Wind char GN GN LT GN GN GN GN GN GN Avg clouds B2 B2 B1 B2 B2 B2 B2 B2 B1 SC SC B1 B1 SC SC B1 SC SC PoP 12hr 60 40 40 30 40 20 30 30 30 Rain shwrs L L C S C C S S C S S C C S C Tstms S C S S C S S S S C C S S $$ WVZ502-030800- Petersburg WV 38.99N 79.15W Elev. 963 ft 1039 PM EDT Thu May 2 2024 Date 05/02/24 Fri 05/03/24 Sat 05/04/24 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 61 87 58 71 59 Temp 72 67 61 66 79 87 87 74 67 64 58 59 61 67 71 66 62 62 60 61 Dewpt 58 56 54 54 57 58 61 62 61 59 57 56 57 57 57 57 57 56 56 57 RH 61 68 78 65 47 38 42 66 81 84 96 90 87 70 61 73 84 81 87 87 Wind dir N NW N NE E SE E SE SE SE E SE SE SE SE SE SE SE SE S Wind spd 1 2 1 1 2 4 6 4 3 3 3 3 4 5 6 6 5 5 4 5 Clouds SC SC SC B1 B2 B1 B2 B2 B2 OV B2 B2 OV OV OV OV OV OV OV B2 PoP 12hr 20 60 70 80 80 QPF 12hr 0 0.15 0.33 0.31 0.18 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L L L L L L D D D D L L L Tstms C C C S S S S S Date 05/05 Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 59 81 61 82 63 87 63 85 Temp 75 72 62 62 79 74 64 64 80 77 66 66 84 80 67 66 79 77 Dewpt 63 62 60 60 61 63 60 61 63 63 61 63 61 61 60 61 60 60 PWind dir S S SW SW SW SW W SW W Wind char LT LT LT LT GN GN BZ GN BZ Avg clouds B2 B2 B1 B1 B1 B1 B2 B1 B1 SC SC B1 B1 SC SC B1 B1 SC PoP 12hr 80 20 60 40 60 40 50 40 50 Rain shwrs L D S C L C S C L C C C C C C C C Tstms S C S S C C S S C C S S C C S S C $$ MDZ014-030800- Annapolis MD 38.99N 76.49W Elev. 7 ft 1039 PM EDT Thu May 2 2024 Date 05/02/24 Fri 05/03/24 Sat 05/04/24 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 75 54 67 58 Temp 69 66 63 65 72 75 75 64 56 55 54 56 60 64 67 63 59 58 59 62 Dewpt 63 60 56 53 54 55 53 50 50 50 50 50 52 53 53 51 52 53 54 57 RH 81 81 78 65 53 50 46 60 80 83 86 80 75 67 61 65 78 83 83 84 Wind dir SE NE E E E E E E E E E E E E E SE E SE SE SE Wind spd 3 5 8 9 11 11 12 12 10 8 9 9 10 10 11 13 13 12 11 10 Clouds FW FW SC B1 B1 B1 SC SC B2 B2 OV OV OV OV OV OV OV OV OV OV PoP 12hr 5 0 30 30 70 QPF 12hr 0 0 0.07 0.09 0.60 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S S C C C C L L L Date 05/05 Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 71 63 76 64 78 66 82 66 82 Temp 68 68 65 65 72 71 66 66 75 73 68 68 79 76 68 68 78 76 Dewpt 62 61 62 61 63 63 62 62 64 63 63 63 65 64 63 63 63 61 PWind dir SE S S S S SW SW SW SW Wind char GN GN LT LT LT GN GN GN GN Avg clouds OV B2 B2 B2 B2 B2 B2 B2 B1 B1 SC B1 B1 SC SC B1 B1 B1 PoP 12hr 70 40 40 30 40 30 40 40 40 Rain shwrs L L C S C C S S C C C S C C S S C Tstms C C S C C S C C S S C C S S $$