Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
940 FOUS51 KLWX 270236 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1036 PM EDT Sun May 26 2024 VAZ054-270800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1036 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 68 85 64 Temp 75 71 70 73 78 81 83 79 75 72 70 71 77 82 81 77 71 67 65 67 Dewpt 68 67 67 69 70 70 69 68 67 65 62 62 58 57 56 55 56 56 56 57 RH 79 87 90 87 76 69 63 69 76 79 76 73 52 43 42 47 59 68 73 70 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 B1 B2 B1 B1 B1 SC FW FW FW FW FW SC FW FW CL FW FW PoP 12hr 60 80 40 20 10 QPF 12hr 0.10 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 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 78 59 74 56 75 57 80 62 81 Temp 75 70 62 61 71 69 59 59 73 69 60 63 78 74 63 65 80 76 Dewpt 54 54 53 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 SC 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 $$ MDZ013-270800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1036 PM EDT Sun May 26 2024 Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 85 65 83 60 Temp 72 69 68 71 77 80 82 76 73 70 67 69 76 80 80 75 68 64 62 65 Dewpt 67 67 67 69 71 71 71 69 69 65 62 62 60 59 58 58 57 55 55 57 RH 84 93 97 93 82 74 69 79 87 84 84 78 58 49 47 55 68 73 78 75 Wind dir SE SE SE S S S S SW SW W W W W W W W W W W W Wind spd 5 6 6 8 12 12 13 10 5 5 5 6 10 11 10 8 5 5 5 3 Clouds B2 OV B2 B2 B1 B2 B1 B1 B1 FW CL FW FW FW SC FW FW FW FW FW PoP 12hr 60 80 60 20 10 QPF 12hr 0.11 0.52 0.09 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C L D L C S S C Tstms S C S C L L L S S Heat index 86 81 82 Max heat 86 81 82 Date 05/29 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 56 74 53 74 53 78 58 79 Temp 74 68 60 59 73 69 57 57 72 69 55 59 77 72 60 61 78 72 Dewpt 56 56 54 49 45 46 44 45 43 47 47 49 48 53 53 56 57 61 PWind dir W NW NW NW NW NW NW SW S Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC SC SC FW FW FW FW FW FW FW FW FW FW FW SC SC B1 B1 PoP 12hr 50 10 5 5 5 5 5 20 30 Rain shwrs C C S S C Tstms S S $$ MDZ011-270800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1036 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 89 70 87 67 Temp 77 72 70 74 81 83 84 80 78 75 72 71 81 83 84 79 74 71 68 68 Dewpt 67 67 67 67 69 70 69 68 68 65 62 61 58 57 56 56 56 56 55 56 RH 71 84 90 79 67 65 61 67 71 71 71 71 46 41 38 45 53 59 63 65 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 B2 B2 B2 B1 B1 B1 FW CL FW FW FW FW FW FW FW FW FW PoP 12hr 60 80 60 20 10 QPF 12hr 0.13 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 84 85 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 82 61 79 58 79 60 83 65 84 Temp 78 73 65 65 78 69 59 61 76 70 62 65 82 73 66 70 83 75 Dewpt 54 54 53 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 B1 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 $$ WVZ052-270800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1036 PM EDT Sun May 26 2024 Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 65 82 60 79 55 Temp 70 67 66 69 74 78 79 74 69 64 61 66 73 77 76 70 63 59 56 62 Dewpt 65 65 64 66 67 67 66 64 61 59 56 57 55 54 53 53 53 53 52 55 RH 84 93 93 90 79 69 64 71 76 84 84 73 53 45 45 55 70 80 86 78 Wind dir S S S S S S SW SW SW W W W W W W W W W W W Wind spd 6 4 5 9 12 12 11 8 5 5 5 6 11 12 11 8 5 4 4 5 Clouds OV OV B2 B1 B1 B1 B1 FW FW FW CL FW FW FW FW CL CL FW FW FW PoP 12hr 80 80 30 20 10 QPF 12hr 0.29 0.34 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D C S C C D L C S S C Tstms C C S C L L S S S Obvis PF PF Date 05/29 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 50 70 47 71 48 77 54 77 Temp 69 63 55 54 69 65 50 53 69 68 51 55 75 71 56 60 76 73 Dewpt 53 51 49 46 41 44 41 42 41 45 43 47 47 52 51 54 57 59 PWind dir W NW NW NW NW NW N S S Wind char GN GN GN LT LT LT LT LT LT Avg clouds SC SC SC FW FW FW FW FW FW FW FW FW FW FW SC SC SC B1 PoP 12hr 50 5 5 0 0 5 10 20 40 Rain shwrs C C S S C C Tstms C C $$ VAZ506-270800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1036 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 86 63 82 58 Temp 74 71 69 72 77 81 83 77 72 69 65 69 76 81 80 73 67 62 60 65 Dewpt 68 67 68 70 71 70 69 69 67 64 60 62 59 57 57 57 56 55 55 57 RH 82 87 97 93 82 69 63 76 84 84 84 78 56 44 45 57 68 78 84 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 B1 B2 B1 B1 SC FW FW FW CL FW FW FW FW FW CL FW FW PoP 12hr 70 80 40 20 10 QPF 12hr 0.26 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 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 75 55 72 51 73 51 78 56 79 Temp 73 67 58 57 71 66 54 54 70 68 54 58 77 72 58 61 78 73 Dewpt 55 55 52 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 SC 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 $$ VAZ037-270800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1036 PM EDT Sun May 26 2024 Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 87 64 85 59 Temp 73 70 68 71 78 82 83 80 74 70 67 69 78 82 83 76 69 64 61 65 Dewpt 65 65 64 66 68 67 66 64 62 60 57 58 56 53 52 53 53 53 52 55 RH 76 84 87 84 71 61 57 58 66 71 70 68 47 37 34 45 57 67 72 70 Wind dir E S S S S S SW SW W W W W W W W W W W W W Wind spd 3 3 4 6 10 11 11 8 4 4 4 4 6 8 8 6 5 4 4 4 Clouds OV B2 B2 B1 B1 B1 SC SC FW FW CL CL CL FW FW FW CL CL FW CL PoP 12hr 60 70 20 10 5 QPF 12hr 0.26 0.27 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L L S Tstms C S C L L S Heat index 87 87 82 Max heat 87 89 82 83 Date 05/29 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 55 77 51 78 53 82 59 83 Temp 76 71 60 59 74 68 54 57 76 69 55 59 80 73 60 64 81 75 Dewpt 51 49 48 47 42 46 44 44 41 44 45 47 47 53 52 54 57 59 PWind dir W NW NW NW N NW SW SW SW Wind char GN LT LT LT LT LT LT LT LT Avg clouds FW SC FW FW FW FW FW FW CL FW FW FW FW SC SC SC SC SC PoP 12hr 20 5 5 5 0 5 10 20 30 Rain shwrs S S S S C Tstms S C $$ MDZ003-270800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1036 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 82 60 79 55 Temp 74 69 67 70 74 78 78 75 69 66 62 66 74 77 75 70 63 59 56 62 Dewpt 66 67 66 67 69 70 68 66 63 61 58 59 58 57 55 55 55 54 53 56 RH 76 93 97 90 84 76 71 74 81 84 87 78 57 50 50 59 75 83 90 81 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 B1 B1 B1 SC FW FW FW FW FW FW SC FW FW CL FW FW FW PoP 12hr 80 80 30 20 10 QPF 12hr 0.18 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 72 52 71 48 71 49 76 55 77 Temp 68 64 55 54 69 64 51 54 69 66 51 57 74 70 57 60 76 72 Dewpt 55 53 50 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 SC 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 $$ MDZ017-270800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1036 PM EDT Sun May 26 2024 Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 86 68 85 64 Temp 74 71 70 73 79 81 81 76 73 72 70 72 78 82 81 75 71 67 65 68 Dewpt 68 67 67 69 71 71 70 69 69 68 65 64 62 61 61 63 60 59 57 59 RH 82 87 90 87 77 72 69 79 87 87 84 76 58 49 51 66 68 75 75 73 Wind dir SE SE S S S S S S SW SW W NW W W S SW W NW W W Wind spd 10 10 8 9 13 14 13 11 9 8 6 6 6 6 6 5 5 5 5 4 Clouds B1 OV B2 SC B1 B1 B1 B1 B1 FW SC FW FW FW FW SC FW FW FW FW PoP 12hr 40 80 60 10 10 QPF 12hr 0.04 0.47 0.19 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C L D L C Tstms S C C L L L Heat index 86 89 83 83 Max heat 86 89 83 83 Date 05/29 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 59 75 58 75 58 77 61 79 Temp 78 70 63 61 74 69 60 61 73 70 59 61 76 69 62 65 79 72 Dewpt 58 59 56 52 47 50 50 49 45 49 50 52 51 55 56 57 60 61 PWind dir W NW NW NW NW NW N S S Wind char LT GN GN LT GN LT LT LT LT Avg clouds FW SC SC FW FW FW FW FW FW FW FW FW FW FW SC SC SC B1 PoP 12hr 30 10 5 5 0 0 5 20 30 Rain shwrs C S S C Tstms S S $$ WVZ502-270800- Petersburg WV 38.99N 79.15W Elev. 963 ft 1036 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 85 58 78 54 Temp 66 65 64 68 76 79 82 74 68 63 59 63 72 76 75 69 61 58 55 60 Dewpt 63 63 62 65 65 65 64 62 61 58 54 55 55 54 53 54 54 53 52 54 RH 90 93 93 90 69 62 55 66 78 84 83 75 55 46 46 59 78 83 90 81 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 B1 B1 SC FW SC SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 40 70 20 20 20 QPF 12hr 0.26 0.07 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C L L S S S S S C Tstms 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 50 72 44 74 46 80 54 80 Temp 69 63 53 50 70 64 46 49 71 66 48 53 77 71 56 60 78 73 Dewpt 52 51 48 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 SC 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 $$ MDZ014-270800- Annapolis MD 38.99N 76.49W Elev. 7 ft 1036 PM EDT Sun May 26 2024 Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 82 68 82 65 Temp 74 71 70 72 75 78 78 76 73 72 69 70 75 80 79 75 71 68 65 67 Dewpt 68 67 68 69 70 71 70 69 69 67 64 63 60 60 60 60 59 58 58 59 RH 82 87 93 90 84 79 76 79 87 84 84 78 60 51 52 60 66 70 78 75 Wind dir S SE SE S S S S S SW W W W W W W W W W W W Wind spd 8 8 8 9 14 16 14 10 5 6 5 8 9 10 9 6 6 5 5 4 Clouds B2 OV B2 B2 B1 B1 B1 B1 SC SC FW FW FW FW SC FW FW FW FW FW PoP 12hr 50 80 60 20 10 QPF 12hr 0.09 0.39 0.09 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L D L C S S S Tstms C S C L L L S Heat index 82 Max heat 83 82 Date 05/29 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 Sun 06/02/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 60 74 57 74 58 77 63 78 Temp 74 70 63 62 72 70 60 60 71 70 59 62 76 72 64 68 77 73 Dewpt 57 57 56 50 46 47 46 46 45 48 51 51 51 55 56 58 60 62 PWind dir W NW NW NW NW NW N S S Wind char LT GN GN LT GN LT LT LT LT Avg clouds SC SC SC FW FW FW FW FW FW FW FW FW FW FW SC SC B1 B1 PoP 12hr 40 10 5 5 5 0 5 20 30 Rain shwrs S C S S C Tstms S S $$