Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
961 FOUS51 KLWX 061740 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 139 PM EDT Mon May 6 2024 VAZ054-062000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 139 PM EDT Mon May 6 2024 Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 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 66 79 67 88 Temp 75 78 74 68 67 67 67 71 77 77 75 70 68 67 70 81 87 85 79 Dewpt 65 66 66 66 65 65 65 65 64 64 64 65 64 64 65 63 59 58 58 RH 71 67 76 93 93 93 93 81 64 64 69 84 87 90 84 54 39 40 49 Wind dir S SE E SE S W N NE SE E SE S S S SW W W W W Wind spd 4 6 6 5 4 2 3 4 6 8 6 5 5 4 5 9 11 13 8 Clouds OV OV OV OV OV OV OV B2 B1 B1 B1 B1 B2 B2 B1 SC SC SC SC PoP 12hr 50 80 50 30 20 QPF 12hr 0.11 0.25 0.13 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L L C C S C C C C C C C S S S Tstms S C C C S C C C C C S S S S Heat index 82 Max heat 86 86 Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 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 82 63 72 53 70 54 70 Temp 69 69 78 76 66 63 70 64 56 55 67 64 56 57 68 65 Dewpt 60 63 64 63 58 53 48 44 44 44 42 43 47 48 45 47 PWind dir SW SW W NW NW NW S W Wind char LT GN GN BZ GN GN LT GN Avg clouds SC B2 B2 B2 SC SC B1 SC SC SC SC B1 SC SC SC SC PoP 12hr 50 90 40 40 20 20 20 30 Rain shwrs S C L D C S C S S S S S C Tstms S S S C C S $$ MDZ013-062000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 139 PM EDT Mon May 6 2024 Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 63 77 64 85 Temp 71 73 71 66 64 63 65 70 74 75 73 67 65 64 66 77 84 82 76 Dewpt 66 66 67 65 64 63 64 63 64 63 64 65 64 64 65 62 59 57 58 RH 84 79 87 97100100 97 78 71 66 73 93 97100 97 60 43 43 54 Wind dir SW SE SE S SE N NE E E SE SE S S S S W W W W Wind spd 3 4 3 3 2 2 3 4 5 5 5 4 4 4 5 8 11 11 6 Clouds OV OV OV OV OV OV B2 B1 B1 SC B1 B1 B2 B2 B1 SC SC FW FW PoP 12hr 30 60 40 30 10 QPF 12hr 0.01 0.22 0.11 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L C C S C C C C C C C Tstms S C S S S S S S S S C S S Heat index 84 82 Max heat 84 84 Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 78 59 70 51 68 52 70 Temp 64 65 75 72 63 59 68 62 54 53 66 64 54 55 68 64 Dewpt 58 61 63 62 58 53 50 47 45 45 43 45 48 49 46 48 PWind dir SW S W NW NW NW SW W Wind char LT GN GN BZ GN GN GN GN Avg clouds SC B2 B2 B2 SC SC B1 SC SC SC SC SC SC SC SC B1 PoP 12hr 40 90 50 40 20 20 20 30 Rain shwrs C L D C S S C S S S S S S C Tstms S S C C S S $$ MDZ011-062000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 139 PM EDT Mon May 6 2024 Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 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 67 80 69 90 Temp 74 76 72 70 67 67 68 75 77 79 74 72 69 69 72 81 87 89 81 Dewpt 65 66 66 65 64 63 63 62 62 62 63 63 63 63 63 61 58 56 56 RH 74 71 81 84 90 87 84 64 60 56 69 73 81 81 73 51 38 33 42 Wind dir SE SE SE E E N NE E E SE SE S S S S W W W W Wind spd 4 4 3 3 2 3 3 4 6 6 5 4 3 5 5 8 11 11 6 Clouds OV OV OV OV OV OV B2 B1 B1 SC B1 B1 B2 B2 B1 SC SC FW FW PoP 12hr 30 60 40 30 10 QPF 12hr 0.03 0.17 0.10 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L C C C C C C C C C C Tstms S C S S S S S S S S S S Heat index 82 81 Max heat 86 88 Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 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 68 84 65 75 56 73 57 74 Temp 69 71 80 75 67 67 73 65 58 59 70 66 59 60 72 67 Dewpt 57 60 62 61 57 52 48 45 44 43 42 43 46 47 45 46 PWind dir W S W NW NW NW SW W Wind char LT GN GN BZ GN GN GN GN Avg clouds SC B2 B2 B2 SC SC B1 SC SC SC SC SC SC SC SC SC PoP 12hr 40 90 50 40 20 20 20 40 Rain shwrs C L D C S S C S S S S S S C Tstms S S C C S S $$ WVZ052-062000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 139 PM EDT Mon May 6 2024 Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 60 77 60 84 Temp 73 74 70 65 63 62 62 70 74 76 74 67 64 61 64 75 82 83 77 Dewpt 63 63 64 63 61 60 61 62 62 62 62 62 61 60 61 58 55 54 55 RH 71 69 81 93 93 93 97 76 66 62 66 84 90 97 90 55 40 37 47 Wind dir NE E NE E W N NE NE E SE SE S S SW SW W W W W Wind spd 3 4 3 3 2 2 2 3 4 4 5 4 5 5 6 11 13 12 8 Clouds OV OV OV OV OV B2 B2 B2 B1 B1 B1 B1 B2 B2 B1 SC FW FW FW PoP 12hr 60 60 60 60 10 QPF 12hr 0.09 0.14 0.12 0.07 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L C C S C L L C C C C S Tstms C C S S S C C C C C S S Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 78 56 66 46 67 46 67 Temp 62 62 74 73 61 57 63 60 49 50 64 62 50 50 65 62 Dewpt 54 60 61 59 53 50 45 41 39 42 40 42 43 45 43 44 PWind dir W SW W NW NW W W W Wind char LT GN GN BZ GN GN LT GN Avg clouds SC B2 B2 B1 SC SC B1 SC FW FW SC SC SC SC SC SC PoP 12hr 60 90 40 50 20 20 20 40 Rain shwrs S L L D C S C C S S S S C C Tstms S S S C C S S $$ VAZ506-062000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 139 PM EDT Mon May 6 2024 Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 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 63 79 64 86 Temp 74 77 72 67 65 64 65 72 77 77 74 68 66 64 68 79 84 85 78 Dewpt 65 65 66 65 64 63 64 65 64 64 65 65 64 64 65 62 58 57 59 RH 74 67 81 93 97 97 97 79 64 64 74 90 93100 90 56 41 39 52 Wind dir SW E SE E SW NW NW N NE E SE S S S SW W W W W Wind spd 2 3 3 3 3 1 2 3 3 4 5 4 4 3 5 9 11 10 5 Clouds OV B2 OV OV OV OV B2 B1 B1 B1 B1 B2 B2 B2 B1 SC SC FW SC PoP 12hr 60 80 50 40 20 QPF 12hr 0.06 0.22 0.09 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L C S S C C C C C C C S S S Tstms C C C S S C C C C C S S S S Obvis PF Heat index 84 Max heat 84 85 Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 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 69 50 68 50 70 Temp 64 65 76 74 62 62 67 63 53 52 66 64 53 54 68 64 Dewpt 59 62 65 63 58 53 48 46 44 45 43 46 47 49 45 49 PWind dir S SW W NW NW NW SW NW Wind char LT GN GN BZ GN GN GN GN Avg clouds SC B2 B2 B1 SC SC B1 SC SC FW SC B1 SC SC SC SC PoP 12hr 50 90 40 40 20 20 20 40 Rain shwrs S C L D C S C S S S S S C Tstms S S S C C S $$ VAZ037-062000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 139 PM EDT Mon May 6 2024 Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 64 83 66 90 Temp 78 78 71 69 66 66 66 76 81 83 78 73 68 67 71 83 88 89 82 Dewpt 64 65 64 63 62 61 62 64 63 64 62 62 62 61 62 60 57 56 59 RH 62 64 79 81 87 84 87 66 54 53 58 68 81 81 73 46 35 33 46 Wind dir S S SE N W SW S E S S SE SW SW SW SW W W W SW Wind spd 5 6 5 3 2 2 3 4 5 5 4 3 4 4 5 6 10 10 5 Clouds OV OV OV OV OV B2 B1 B1 B1 SC B1 B1 B2 B1 B1 SC SC SC SC PoP 12hr 90 80 60 20 30 QPF 12hr 0.30 0.09 0.09 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D D C S S C L L C C C C C Tstms C L C S S C C C C C S C Heat index 82 84 83 82 Max heat 82 82 84 87 88 Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 85 61 74 49 73 52 72 Temp 68 69 81 79 67 62 71 65 54 55 69 66 55 56 69 66 Dewpt 58 61 62 59 54 50 44 41 40 41 40 43 44 45 44 45 PWind dir W SW W NW NW W W W Wind char LT GN GN BZ GN GN LT GN Avg clouds SC B2 B2 B1 SC SC SC SC FW FW SC SC SC SC SC SC PoP 12hr 60 90 20 40 20 20 20 30 Rain shwrs C L L D S S C S S S S C Tstms C C C C S S S $$ MDZ003-062000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 139 PM EDT Mon May 6 2024 Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 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 76 62 76 62 84 Temp 72 75 71 66 65 63 64 70 73 75 71 66 64 62 65 74 80 83 76 Dewpt 63 63 63 63 62 61 61 62 63 63 63 63 63 62 63 60 56 54 56 RH 73 66 76 90 90 93 90 76 71 66 76 90 97100 93 62 44 37 50 Wind dir N NE E E NE NE N E E SE SE S S S SW W W W W Wind spd 3 3 5 2 3 2 3 3 4 5 5 5 6 5 6 12 14 12 10 Clouds OV OV OV OV OV OV B2 B2 B1 B1 B1 B1 B2 B2 B1 SC FW FW FW PoP 12hr 40 60 50 60 10 QPF 12hr 0.02 0.10 0.09 0.07 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L C S C C C C C C C S Tstms C C S S C C C C S S Heat index 80 Max heat 80 82 Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 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 77 56 65 47 66 48 68 Temp 62 63 73 71 61 57 64 60 50 51 64 61 51 52 65 61 Dewpt 56 60 62 61 55 52 47 44 42 44 42 45 45 47 46 48 PWind dir W S W W NW W SW W Wind char LT GN GN BZ GN GN LT GN Avg clouds SC B2 B2 B1 SC SC B1 SC SC SC SC SC SC SC SC SC PoP 12hr 60 90 40 50 20 20 30 40 Rain shwrs S L L D C S C C S S S C C C Tstms S S S C C S S S $$ MDZ017-062000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 139 PM EDT Mon May 6 2024 Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 64 77 65 83 Temp 74 72 67 65 64 65 66 72 75 76 71 66 66 65 68 77 82 80 72 Dewpt 65 65 65 65 64 63 64 65 65 64 64 64 64 63 64 64 63 62 63 RH 74 79 93100100 93 93 79 71 66 79 93 93 93 87 64 53 54 73 Wind dir SE SE S S S W W N E SE SE S S S S SW W SW S Wind spd 6 6 5 5 5 5 5 4 5 6 5 6 6 6 6 6 9 9 6 Clouds OV OV OV OV OV OV OV B2 B1 SC B1 B1 B2 B2 B1 SC SC SC SC PoP 12hr 40 70 40 30 30 QPF 12hr 0.07 0.36 0.09 0.06 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L L C C C C C C S S C C C C S Tstms S C C C S S S S S S C S S C S Heat index 83 81 Max heat 83 83 Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 81 63 74 54 70 55 71 Temp 66 68 80 72 65 65 72 65 57 56 69 63 57 58 69 64 Dewpt 62 64 66 64 60 56 53 50 46 46 45 47 48 50 49 51 PWind dir S SW W NW NW NW S W Wind char GN GN GN GN GN GN GN GN Avg clouds SC B2 B2 B2 SC SC SC B1 SC SC SC SC SC SC SC SC PoP 12hr 40 90 40 40 20 20 20 30 Rain shwrs S C L D C C S S S S S C Tstms S S S C C S $$ WVZ502-062000- Petersburg WV 38.99N 79.15W Elev. 963 ft 139 PM EDT Mon May 6 2024 Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 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 59 80 61 85 Temp 75 73 67 64 62 60 61 70 75 79 74 67 64 62 64 75 82 85 77 Dewpt 63 63 63 62 60 59 61 63 63 63 63 62 61 59 60 58 54 54 55 RH 66 71 87 93 93 96100 78 66 58 69 84 90 90 87 55 38 35 47 Wind dir NE E NW SW S SW SE E W W S SW SW SW SW W W W W Wind spd 3 5 4 2 2 1 1 2 4 6 4 4 5 6 6 10 11 10 6 Clouds OV OV OV OV B2 B2 B1 B1 B1 B1 B1 B1 B2 B2 B2 SC FW FW SC PoP 12hr 80 70 60 70 20 QPF 12hr 0.19 0.08 0.09 0.07 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L C S S C L L C C C C S S C Tstms C C C S S S C C C C C S S S Obvis PF F Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 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 80 54 65 45 68 46 68 Temp 62 61 76 74 61 54 63 58 49 48 64 61 50 50 65 62 Dewpt 55 60 62 58 52 48 47 44 41 41 41 45 45 45 45 46 PWind dir SW SW W W NW W W W Wind char LT BZ BZ BZ GN GN GN GN Avg clouds SC B2 B2 B1 SC B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 70 90 40 50 20 20 30 50 Rain shwrs C L D D C S C C S S C S C C Tstms S C C C C S S S S $$ MDZ014-062000- Annapolis MD 38.99N 76.49W Elev. 7 ft 139 PM EDT Mon May 6 2024 Date Mon 05/06/24 Tue 05/07/24 Wed 05/08/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 65 75 65 83 Temp 69 72 70 67 66 66 66 70 72 74 71 67 65 67 69 74 80 82 77 Dewpt 67 66 65 65 64 64 64 64 64 64 64 65 64 64 64 63 62 61 60 RH 93 81 84 93 93 93 93 81 76 71 79 93 97 90 84 69 54 49 56 Wind dir SE SE SE S SE N N NE E SE SE S S S S SW W W SW Wind spd 5 5 3 3 3 3 4 4 6 6 6 5 5 5 5 8 10 9 6 Clouds OV OV OV OV OV OV B2 B1 B1 SC B1 B1 B2 B2 B2 SC SC FW FW PoP 12hr 30 70 40 30 20 QPF 12hr 0.01 0.23 0.10 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L C C C C C C C C C C S S S Tstms S C S C S S S S S S C S S S S S Heat index 81 83 Max heat 81 83 Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 77 61 70 53 68 55 69 Temp 67 68 73 71 66 62 68 63 56 56 65 64 57 58 66 64 Dewpt 60 62 66 62 59 54 51 48 47 45 45 46 49 50 49 49 PWind dir SW S W NW NW NW S W Wind char LT GN GN BZ GN GN GN GN Avg clouds SC B2 B2 B2 SC SC B1 SC SC SC SC SC SC SC SC SC PoP 12hr 40 90 50 40 20 20 20 30 Rain shwrs S C L D C S C S S S S S S C Tstms S S S C C S $$