Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
057 FOUS51 KLWX 022038 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 437 PM EDT Thu May 2 2024 VAZ054-030800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 437 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 87 83 76 70 66 67 74 80 80 68 60 57 55 56 59 66 69 65 60 60 61 62 Dewpt 58 56 57 57 55 53 53 54 53 50 49 49 49 51 51 52 54 52 53 54 56 59 RH 38 40 52 63 68 61 48 41 39 52 67 75 80 83 75 61 59 63 78 81 84 90 Wind dir NW N N NE NE E E E E E E E E E E E E SE E E E SE Wind spd 6 3 3 9 11 14 10 11 13 12 10 9 9 9 9 10 11 12 11 10 9 8 Clouds FW FW B1 FW SC SC SC B1 B1 B1 B2 OV 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 86 80 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 62 61 61 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 $$ MDZ013-030800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 437 PM EDT Thu May 2 2024 Date 05/02/24 Fri 05/03/24 Sat 05/04/24 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 77 52 66 55 Temp 86 81 74 67 63 66 74 77 77 65 56 53 52 54 58 65 66 62 57 56 56 60 Dewpt 57 56 57 56 52 52 53 53 51 50 48 48 49 50 51 52 52 51 52 52 54 57 RH 37 42 55 68 67 61 48 43 40 58 74 83 89 86 77 63 61 67 83 86 93 90 Wind dir W W NE NE E E E E E E E E E E E E E E E E E E Wind spd 8 4 2 5 8 10 10 11 13 11 9 6 8 8 9 10 11 12 12 11 11 10 Clouds FW CL FW FW SC SC SC B1 B1 B1 B2 B2 OV OV OV OV OV B2 OV OV OV OV PoP 12hr 5 0 30 30 70 QPF 12hr 0 0 0.09 0.10 0.50 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C L L L L L Heat index 81 Max heat 86 Date 05/05 Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 69 61 77 63 80 64 84 65 84 Temp 68 67 62 63 75 73 64 65 80 74 66 66 82 78 67 67 81 77 Dewpt 62 61 60 61 62 63 62 63 63 64 63 64 64 64 62 63 62 60 PWind dir SE S SE S S SW SW SW W Wind char GN LT LT LT GN GN GN GN GN Avg clouds OV B2 B2 B2 B2 B2 B2 B2 B1 B1 SC B1 B1 SC SC B1 B1 B1 PoP 12hr 70 40 40 30 40 40 40 40 40 Rain shwrs L L C S C C S S C C C S C C C S C Tstms C C C C S C C S S C C S C $$ MDZ011-030800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 437 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 89 87 80 72 68 70 78 84 84 69 61 58 57 58 63 69 72 64 62 61 61 63 Dewpt 55 54 55 54 51 50 51 52 50 48 47 48 48 48 49 50 50 50 50 51 53 55 RH 32 32 42 53 54 49 39 33 31 47 60 69 72 69 60 51 46 60 65 70 75 75 Wind dir W W NE NE NE E E E SE E E E E E E E E E E E E E Wind spd 8 3 3 5 6 8 10 11 12 11 8 6 6 8 9 10 11 12 12 11 10 10 Clouds FW CL FW FW SC SC SC B1 B1 B1 B2 B2 OV OV OV OV B2 B2 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 Heat index 80 Max heat 87 84 82 82 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 60 59 59 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 $$ WVZ052-030800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 437 PM EDT Thu May 2 2024 Date 05/02/24 Fri 05/03/24 Sat 05/04/24 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 80 52 64 55 Temp 85 79 70 64 58 63 72 79 80 70 61 57 52 53 55 59 64 62 58 56 56 57 Dewpt 56 53 52 51 50 51 52 54 54 51 49 48 48 49 50 52 52 51 51 52 53 54 RH 37 41 53 63 75 65 49 42 41 51 65 72 86 86 83 78 65 67 77 86 90 90 Wind dir W N N N N NE E SE SE SE E E E E SE SE SE SE SE SE SE SE Wind spd 5 4 3 3 3 4 6 9 11 10 8 8 6 8 8 9 9 10 11 10 8 6 Clouds FW FW SC FW SC SC SC SC B1 B2 B2 OV OV OV OV OV OV B2 B2 OV OV OV PoP 12hr 5 20 50 60 90 QPF 12hr 0 0 0.16 0.42 0.37 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C L L L L D D D D D Tstms S S S Heat index 80 Max heat 86 80 Date 05/05 Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 71 58 78 60 81 61 85 61 82 Temp 67 69 60 60 75 74 63 62 78 76 65 65 82 78 65 64 78 76 Dewpt 59 59 57 59 60 59 59 61 62 62 59 62 61 59 58 60 59 57 PWind dir SE E SE S SW SW W SW W Wind char LT LT LT LT GN LT GN GN BZ Avg clouds OV B2 B1 B2 B2 B1 B2 B2 B1 SC SC B1 B1 SC SC B1 B1 SC PoP 12hr 80 30 50 40 50 40 50 40 50 Rain shwrs D L C C C C S C C C C C C C C C C Tstms C C C C S C C S S C C S S C $$ VAZ506-030800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 437 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 86 81 73 67 63 66 76 81 81 68 61 56 54 56 59 63 66 64 60 58 59 61 Dewpt 59 58 58 57 56 55 55 55 55 52 50 50 50 51 53 53 54 54 55 55 56 58 RH 40 46 59 70 78 68 48 41 41 57 67 80 86 83 80 70 65 70 84 90 90 90 Wind dir W S E NE NE E E E SE SE E E E E E SE E SE SE E SE SE Wind spd 5 2 2 3 5 8 8 9 11 11 8 6 6 6 8 9 9 11 11 11 9 9 Clouds FW FW SC SC SC SC SC B1 B1 B1 B2 OV 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 81 Max heat 86 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 62 62 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 $$ VAZ037-030800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 437 PM EDT Thu May 2 2024 Date 05/02/24 Fri 05/03/24 Sat 05/04/24 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 89 59 72 63 Temp 87 84 75 70 67 70 83 88 89 76 67 62 59 60 62 66 72 67 66 64 64 66 Dewpt 54 53 54 54 53 55 58 56 55 56 54 53 52 52 54 55 55 55 56 57 58 58 RH 32 34 48 57 61 59 43 34 32 50 63 72 78 75 75 68 55 65 70 78 81 75 Wind dir S S W W NW NE E SE SE E E E NE E E E E E E E SE SE Wind spd 5 4 2 2 2 4 4 6 6 9 6 5 6 6 5 5 5 8 8 6 6 6 Clouds FW FW FW FW FW FW SC B1 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 0 20 50 60 80 QPF 12hr 0 0.04 0.07 0.23 0.62 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C L L D D L L L Tstms S C S S S S S Heat index 83 Max heat 86 80 86 87 Date 05/05 Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 65 83 66 85 67 91 67 90 Temp 75 74 66 68 80 76 68 69 83 79 70 71 88 83 71 71 85 81 Dewpt 61 60 60 61 62 61 60 61 61 61 61 62 61 60 60 61 58 57 PWind dir S SW S SW SW SW SW SW W Wind char GN LT LT LT GN LT GN GN BZ Avg clouds B2 B1 B1 B2 B2 B1 B2 B1 B1 SC SC SC SC SC SC B1 B1 SC PoP 12hr 80 30 60 30 50 20 40 30 40 Rain shwrs L D C S L C S C S C C S S C Tstms S C C C C S C S C C S C $$ MDZ003-030800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 437 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 84 79 71 63 59 63 73 79 80 69 60 56 52 54 57 61 63 62 58 56 56 57 Dewpt 56 53 51 50 50 51 53 56 55 52 50 49 49 50 51 52 52 52 52 52 53 55 RH 38 41 49 62 72 65 49 45 42 55 69 77 89 86 80 72 67 70 80 86 90 93 Wind dir NW N NE NE NE E E SE SE SE SE SE E E SE SE SE SE SE SE SE E Wind spd 8 5 4 5 5 5 5 9 11 10 9 9 6 8 9 10 10 12 13 13 11 9 Clouds FW FW SC FW SC SC SC B1 B1 B2 B2 OV OV OV OV OV OV B2 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 85 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 59 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 $$ MDZ017-030800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 437 PM EDT Thu May 2 2024 Date 05/02/24 Fri 05/03/24 Sat 05/04/24 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 78 55 70 59 Temp 83 78 74 70 67 67 72 78 78 64 58 56 55 57 63 69 70 63 60 60 61 64 Dewpt 62 60 59 59 58 57 55 55 54 51 51 50 51 53 54 55 54 54 55 55 58 60 RH 49 54 59 68 73 70 55 45 43 63 77 80 86 86 72 61 57 72 84 84 90 87 Wind dir S S S SW E E E E E E E E E E E SE SE SE SE SE SE SE Wind spd 9 6 6 4 5 8 9 12 13 12 10 9 9 9 11 11 13 14 14 14 16 13 Clouds FW FW FW FW SC SC SC B1 B1 B1 B2 B2 OV OV OV OV OV B2 OV OV OV OV PoP 12hr 5 0 30 20 50 QPF 12hr 0 0 0.06 0.01 0.37 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S S S C C C C L Heat index 84 Max heat 86 Date 05/05 Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 63 77 64 79 65 84 66 83 Temp 73 67 65 65 76 69 66 66 79 72 67 68 83 74 68 68 82 74 Dewpt 62 61 61 61 63 63 61 63 63 63 62 63 65 65 62 63 64 62 PWind dir S S S S SW SW SW SW SW Wind char GN GN LT GN GN GN GN GN GN Avg clouds B2 B2 B1 B2 B2 B2 B2 B2 B1 SC SC B1 B1 SC SC B1 SC SC PoP 12hr 60 40 40 30 40 20 30 30 30 Rain shwrs L L C S C C S S C S S C C S C Tstms S C S S C S S S S C C S S $$ WVZ502-030800- Petersburg WV 38.99N 79.15W Elev. 963 ft 437 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 85 79 69 65 61 66 79 87 87 74 67 64 58 59 61 67 71 66 62 62 60 61 Dewpt 57 58 57 55 54 55 57 58 57 61 60 58 57 56 57 58 59 57 57 58 58 58 RH 39 49 66 70 78 68 47 38 36 64 78 81 96 90 87 73 66 73 84 87 93 90 Wind dir N NE N NW N NE E SE E SE SE SE E SE SE SE SE SE SE SE SE S Wind spd 3 3 1 2 1 1 2 4 6 4 3 3 3 3 4 5 6 6 5 5 4 5 Clouds FW SC SC SC SC SC SC B2 B2 B2 B2 B2 OV OV OV OV B2 OV B2 OV B2 B2 PoP 12hr 5 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 62 61 59 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 B1 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 $$ MDZ014-030800- Annapolis MD 38.99N 76.49W Elev. 7 ft 437 PM EDT Thu May 2 2024 Date 05/02/24 Fri 05/03/24 Sat 05/04/24 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 75 54 67 58 Temp 83 77 69 66 63 65 72 75 75 64 56 55 54 56 60 64 67 63 59 58 59 62 Dewpt 61 59 60 59 56 53 54 55 53 50 49 50 49 51 51 53 53 52 53 54 55 58 RH 47 54 73 78 78 65 53 50 46 60 77 83 83 83 72 67 61 67 80 86 87 87 Wind dir S S SE NE E E E E E E E E E E E E E SE E SE SE SE Wind spd 6 4 3 5 8 9 11 11 12 12 10 8 9 9 10 10 11 13 13 12 11 10 Clouds FW FW FW FW SC SC SC B1 B1 B1 B2 OV OV OV OV OV OV B2 OV OV OV OV PoP 12hr 5 0 30 30 70 QPF 12hr 0 0 0.07 0.09 0.60 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S S C C C C L L L Heat index 83 Max heat 86 Date 05/05 Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 71 63 76 64 78 66 82 66 82 Temp 68 68 65 65 72 71 66 66 75 73 68 68 79 76 68 68 78 76 Dewpt 62 61 61 61 63 63 62 62 64 63 63 63 65 64 63 63 63 61 PWind dir SE S S S S SW SW SW SW Wind char GN GN LT LT LT GN GN GN GN Avg clouds OV B2 B2 B2 B2 B2 B2 B2 B1 B1 SC B1 B1 SC SC B1 B1 B1 PoP 12hr 70 40 40 30 40 30 40 40 40 Rain shwrs L L C S C C S S C C C S C C S S C Tstms C C S C C S C C S S C C S S $$