Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
665 FOUS51 KLWX 270104 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 904 PM EDT Sun May 26 2024 VAZ054-270800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 904 PM EDT Sun May 26 2024 Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 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 70 85 67 84 64 Temp 74 71 70 71 76 81 84 78 73 71 68 70 77 82 83 78 72 67 65 69 Dewpt 67 67 67 68 70 69 69 67 67 66 63 61 59 57 57 57 55 56 55 56 RH 79 87 90 90 82 67 61 69 81 84 84 73 54 43 41 48 55 68 70 63 Wind dir SE SE S S S S S SW SW W W W W W W W W W W W Wind spd 9 8 9 10 13 14 13 11 8 8 6 8 10 11 10 9 6 6 6 5 Clouds B2 OV B2 B2 B2 B2 B1 B2 B1 SC SC FW FW SC SC SC FW FW FW SC PoP 12hr 60 80 40 20 10 QPF 12hr 0.12 0.38 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C D D C C S S S Tstms C C S C L L C S Heat index 84 88 82 Max heat 84 88 82 82 Svr Tstorm A Date 05/29 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 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 58 74 56 75 57 80 62 81 Temp 79 71 61 61 71 69 59 59 73 69 60 63 78 74 63 65 80 76 Dewpt 54 53 51 48 45 45 45 45 42 46 46 49 48 51 53 57 57 60 PWind dir W NW NW NW NW NW NW S S Wind char GN GN GN LT GN LT LT LT LT Avg clouds SC SC FW FW FW FW FW FW FW FW FW FW FW FW SC SC B1 B1 PoP 12hr 40 10 5 5 0 5 5 20 30 Rain shwrs S C S S S C Tstms S S $$ MDZ013-270800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 904 PM EDT Sun May 26 2024 Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 83 65 82 61 Temp 72 69 68 69 76 79 82 77 72 69 65 68 76 80 82 76 69 64 61 66 Dewpt 67 67 67 68 69 70 70 70 68 64 62 61 59 58 58 58 57 56 55 57 RH 84 93 97 97 79 74 67 79 87 84 90 78 56 47 44 54 66 75 81 73 Wind dir SE SE SE S S S S SW SW W W W W W W W W W W W Wind spd 5 6 6 8 12 12 13 10 5 5 5 6 10 11 10 8 5 5 5 3 Clouds B2 OV B2 OV OV B2 B2 B2 B1 SC FW FW FW SC SC FW FW FW FW SC PoP 12hr 60 80 60 20 10 QPF 12hr 0.12 0.52 0.09 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C L D L C S S C Tstms S C S C L L L S S Heat index 86 81 82 Max heat 86 81 82 Date 05/29 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 56 74 53 74 53 78 58 79 Temp 77 68 59 59 73 69 57 57 72 69 55 59 77 72 60 61 78 72 Dewpt 54 54 51 49 45 46 44 45 43 47 47 49 48 53 53 56 57 61 PWind dir W NW NW NW NW NW NW SW S Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC SC SC FW FW FW FW FW FW FW FW FW FW FW SC SC B1 B1 PoP 12hr 50 10 5 5 5 5 5 20 30 Rain shwrs C C S S C Tstms S S $$ MDZ011-270800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 904 PM EDT Sun May 26 2024 Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 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 70 87 70 87 67 Temp 76 72 70 70 77 83 83 77 77 73 70 72 81 85 86 80 75 69 67 71 Dewpt 67 67 67 68 68 69 69 69 68 64 62 61 58 58 58 57 57 57 55 56 RH 74 84 90 93 74 63 63 76 74 73 76 68 46 40 39 45 54 66 65 59 Wind dir SE SE SE SE SE S S SW SW W W W W W W W W W W W Wind spd 6 6 6 8 12 13 13 9 5 5 5 6 9 10 10 8 5 4 4 3 Clouds B2 OV B2 OV OV B2 B2 B2 B1 SC FW FW FW SC SC FW FW FW FW SC PoP 12hr 60 80 60 20 10 QPF 12hr 0.15 0.61 0.14 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C L D L C S S C Tstms S C S C L L L S S Heat index 87 87 81 80 Max heat 87 90 84 85 Date 05/29 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 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 83 62 79 58 79 60 83 65 84 Temp 83 71 63 65 78 69 59 61 76 70 62 65 82 73 66 70 83 75 Dewpt 54 53 51 47 45 45 43 44 42 46 46 48 47 51 53 55 57 59 PWind dir W NW NW NW NW NW NW SW S Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC SC SC FW FW FW FW FW FW FW FW FW FW FW SC SC B1 B1 PoP 12hr 50 10 5 5 5 5 5 20 30 Rain shwrs C C S S C Tstms C S $$ WVZ052-270800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 904 PM EDT Sun May 26 2024 Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 65 80 59 79 55 Temp 69 67 66 67 72 75 76 74 66 62 60 65 73 77 78 72 63 58 56 61 Dewpt 66 65 64 65 67 68 67 63 61 58 56 58 57 55 55 55 53 52 52 55 RH 90 93 93 93 84 79 74 69 84 87 87 78 57 47 45 55 70 80 86 81 Wind dir S S S S S S SW SW SW W W W W W W W W W W W Wind spd 6 4 5 9 12 12 11 8 5 5 5 6 11 12 11 8 5 4 4 5 Clouds OV OV B2 B2 B2 B1 B1 SC SC FW FW FW FW SC SC FW FW FW FW SC PoP 12hr 80 80 30 20 10 QPF 12hr 0.36 0.34 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C S C C D L C S S C Tstms C C S C L L S S S Obvis PF PF Svr Tstorm A Date 05/29 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 49 70 47 71 48 77 54 77 Temp 74 69 54 54 69 65 50 53 69 68 51 55 75 71 56 60 76 73 Dewpt 52 49 48 46 41 44 41 42 41 45 43 47 47 52 51 54 57 59 PWind dir W NW NW NW NW NW N S S Wind char GN GN GN LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC B1 PoP 12hr 50 5 5 0 0 5 10 20 40 Rain shwrs C C S S C C Tstms C C $$ VAZ506-270800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 904 PM EDT Sun May 26 2024 Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 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 85 62 82 59 Temp 74 71 69 70 76 82 82 77 71 67 63 67 76 80 82 76 67 63 59 64 Dewpt 68 67 68 67 70 70 68 68 66 63 60 61 59 57 57 58 55 55 54 56 RH 82 87 97 90 82 67 63 74 84 87 90 81 56 45 43 54 65 75 83 75 Wind dir SE SE S S S S S S SW W W W W W W NW W W W W Wind spd 6 6 6 10 12 13 11 9 5 5 4 5 9 10 9 6 5 4 4 3 Clouds B2 B2 B2 B2 B2 B1 B1 B2 SC SC FW FW FW SC SC FW FW FW FW SC PoP 12hr 60 80 40 20 10 QPF 12hr 0.32 0.61 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C C C C L D C S S S C Tstms C C S C L L C S S Obvis PF Heat index 86 85 80 82 Max heat 86 88 80 82 Svr Tstorm A Date 05/29 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 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 77 54 72 51 73 51 78 56 79 Temp 77 69 57 57 71 66 54 54 70 68 54 58 77 72 58 61 78 73 Dewpt 54 52 50 49 45 47 45 45 43 48 46 49 49 54 53 56 58 61 PWind dir W NW NW NW NW NW NW S S Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC B1 PoP 12hr 40 10 5 5 0 5 10 20 30 Rain shwrs C C S S S C Tstms C C $$ VAZ037-270800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 904 PM EDT Sun May 26 2024 Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 87 64 85 59 Temp 73 70 68 70 77 84 84 78 73 68 65 68 78 83 84 78 69 62 60 66 Dewpt 65 65 64 65 67 67 67 66 63 61 59 59 56 55 52 54 52 52 51 54 RH 76 84 87 84 71 57 57 67 71 78 81 73 47 38 33 43 55 70 72 65 Wind dir E S S S S S SW SW W W W W W W W W W W W W Wind spd 3 3 4 6 10 11 11 8 4 4 4 4 6 8 8 6 5 4 4 4 Clouds OV B2 B2 B2 B2 B2 B2 B1 SC FW FW CL FW FW FW FW FW FW FW FW PoP 12hr 90 70 20 10 5 QPF 12hr 0.31 0.27 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L L S Tstms C S C L L S Heat index 87 87 Max heat 87 89 82 83 Date 05/29 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 54 77 51 78 53 82 59 83 Temp 80 71 57 59 74 68 54 57 76 69 55 59 80 73 60 64 81 75 Dewpt 51 49 47 47 42 46 44 44 41 44 45 47 47 53 52 54 57 59 PWind dir W NW NW NW N NW SW SW SW Wind char GN LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW CL FW FW FW FW SC SC SC SC SC PoP 12hr 20 5 5 5 0 5 10 20 30 Rain shwrs S S S S C Tstms S C $$ MDZ003-270800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 904 PM EDT Sun May 26 2024 Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 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 60 79 56 Temp 72 69 67 68 72 77 76 74 68 64 61 65 74 78 77 71 64 59 56 62 Dewpt 67 67 66 66 68 69 68 65 63 60 57 59 58 57 56 56 55 54 52 55 RH 84 93 97 93 87 76 76 74 84 87 87 81 57 48 48 59 73 83 86 78 Wind dir SE SE S S S S S SW SW W W W W W W W W W W W Wind spd 8 5 8 10 13 13 12 8 6 6 5 8 11 12 11 8 5 4 4 5 Clouds OV B2 OV B2 B2 B2 B1 B1 SC FW FW FW FW SC SC SC FW FW FW B1 PoP 12hr 80 80 30 20 10 QPF 12hr 0.21 0.53 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D C C C L D L C S S L Tstms C C S C L L S S S Obvis PF PF Svr Tstorm A Date 05/29 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 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 50 71 48 71 49 76 55 77 Temp 74 66 55 54 69 64 51 54 69 66 51 57 74 70 57 60 76 72 Dewpt 53 51 49 46 43 44 40 43 43 47 45 48 49 54 51 55 59 61 PWind dir W NW NW NW NW NW NW S S Wind char GN LT GN LT LT LT LT LT LT Avg clouds B1 SC SC FW FW FW FW FW FW FW FW FW FW FW SC SC SC B1 PoP 12hr 60 10 5 0 0 5 10 20 40 Rain shwrs L L S S C C Tstms S C C $$ MDZ017-270800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 904 PM EDT Sun May 26 2024 Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 85 68 84 64 Temp 72 71 70 72 78 82 84 78 73 71 69 71 79 83 82 76 71 67 64 68 Dewpt 67 67 67 68 70 71 71 69 68 68 66 63 61 61 61 62 61 59 57 59 RH 84 87 90 87 76 69 65 74 84 90 90 76 54 47 49 62 71 75 78 73 Wind dir SE SE S S S S S S SW SW W NW W W S SW W NW W W Wind spd 10 10 8 9 13 14 13 11 9 8 6 6 6 6 6 5 5 5 5 4 Clouds B1 OV B2 B2 B2 B1 B2 B2 B2 SC SC FW FW FW SC SC SC FW FW FW PoP 12hr 50 80 60 10 10 QPF 12hr 0.05 0.47 0.19 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L D L C Tstms C C L L L Heat index 86 89 83 83 Max heat 86 89 83 83 Date 05/29 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 59 75 58 75 58 77 61 79 Temp 81 72 63 61 74 69 60 61 73 70 59 61 76 69 62 65 79 72 Dewpt 58 57 53 52 47 50 50 49 45 49 50 52 51 55 56 57 60 61 PWind dir W NW NW NW NW NW N S S Wind char LT GN GN LT GN LT LT LT LT Avg clouds SC SC FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC B1 PoP 12hr 30 10 5 5 0 0 5 20 30 Rain shwrs C S S C Tstms S S $$ WVZ502-270800- Petersburg WV 38.99N 79.15W Elev. 963 ft 904 PM EDT Sun May 26 2024 Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 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 62 84 58 79 54 Temp 68 65 64 66 76 80 82 76 68 63 59 62 71 77 78 72 62 57 55 59 Dewpt 64 63 62 64 65 64 64 63 60 57 55 56 55 53 52 54 52 52 51 53 RH 87 93 93 93 69 58 55 64 76 81 87 81 57 43 40 53 70 83 86 80 Wind dir S SE E SE SW SW W SW W W W W W W W W W W W W Wind spd 3 3 3 4 9 10 11 6 5 5 4 5 10 11 10 6 5 4 4 5 Clouds OV B2 B2 B2 B2 B1 SC B1 SC SC SC SC SC FW FW FW SC SC SC SC PoP 12hr 60 70 20 20 20 QPF 12hr 0.32 0.07 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C C L L S S S S S C Tstms C S S S C L L S S S Obvis PF Heat index 82 83 Max heat 82 83 Date 05/29 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 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 48 72 44 74 46 80 54 80 Temp 71 64 51 50 70 64 46 49 71 66 48 53 77 71 56 60 78 73 Dewpt 50 49 47 44 39 45 43 43 41 46 44 46 47 55 51 54 60 61 PWind dir W NW NW NW NW W N SW SW Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC SC SC FW FW FW FW FW CL FW FW FW FW SC SC SC SC SC PoP 12hr 60 5 5 0 0 5 10 20 40 Rain shwrs C L S S C C Tstms C S C $$ MDZ014-270800- Annapolis MD 38.99N 76.49W Elev. 7 ft 904 PM EDT Sun May 26 2024 Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 81 67 82 65 Temp 72 71 70 71 74 77 79 76 73 71 68 69 75 79 81 77 71 67 66 68 Dewpt 68 67 68 68 69 71 71 69 68 67 63 62 59 59 60 60 59 58 57 58 RH 87 87 93 90 84 82 77 79 84 87 84 78 58 50 49 56 66 73 73 70 Wind dir S SE SE S S S S S SW W W W W W W W W W W W Wind spd 8 8 8 9 14 16 14 10 5 6 5 8 9 10 9 6 6 5 5 4 Clouds B2 OV B2 OV OV B2 B2 B2 B1 SC SC FW FW SC SC SC FW FW FW SC PoP 12hr 50 80 60 20 10 QPF 12hr 0.10 0.39 0.09 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L D L C S S S Tstms C S C L L L S Heat index 82 Max heat 83 82 Date 05/29 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 59 74 57 74 58 77 63 78 Temp 76 71 63 62 72 70 60 60 71 70 59 62 76 72 64 68 77 73 Dewpt 57 55 53 50 46 47 46 46 45 48 51 51 51 55 56 58 60 62 PWind dir W NW NW NW NW NW N S S Wind char LT GN GN LT GN LT LT LT LT Avg clouds SC SC FW FW FW FW FW FW FW FW FW FW FW FW SC SC B1 B1 PoP 12hr 40 10 5 5 5 0 5 20 30 Rain shwrs S C S S C Tstms S S $$