Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
377 FOUS51 KLWX 261137 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 737 AM EDT Sun May 26 2024 VAZ054-262000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 737 AM EDT Sun May 26 2024 Date Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 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 86 70 86 68 83 Temp 71 79 85 84 78 75 71 70 72 78 83 84 79 75 71 68 70 76 81 83 76 Dewpt 67 67 67 67 68 67 68 68 69 70 70 70 69 68 66 64 62 59 57 57 57 RH 87 67 55 57 71 76 90 93 90 76 65 63 72 79 84 87 76 56 44 41 52 Wind dir NE E SE SE SE SE SE SE S S S S S SW SW W W W W W W Wind spd 3 4 6 8 9 8 8 9 9 11 13 13 10 10 9 8 6 8 9 8 8 Clouds B1 SC B1 B1 B1 B1 B2 OV B2 B2 B2 B2 B2 B2 SC FW FW FW FW FW FW PoP 12hr 30 50 70 50 10 QPF 12hr 0.01 0.11 0.36 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C L L C C Tstms C C C C S S C C L C C Heat index 88 87 87 88 81 Max heat 88 88 87 90 81 82 Date Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 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 64 79 59 75 56 75 57 80 Temp 66 67 78 71 61 61 74 70 60 59 72 69 58 61 78 73 Dewpt 56 57 53 51 50 49 47 47 46 47 46 49 49 52 52 56 PWind dir W W NW NW NW NW NW NW Wind char LT GN GN GN LT LT LT LT Avg clouds FW FW SC SC SC FW FW SC FW FW FW FW FW FW SC SC PoP 12hr 5 30 10 10 5 5 5 10 Rain shwrs C Tstms C $$ MDZ013-262000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 737 AM EDT Sun May 26 2024 Date Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 67 83 66 81 Temp 68 78 84 83 77 72 69 67 70 75 80 81 77 72 69 66 67 75 80 80 75 Dewpt 66 68 67 67 68 67 66 66 68 70 71 72 70 69 68 63 63 60 58 57 58 RH 93 71 57 59 74 84 90 97 93 84 74 74 79 90 97 90 87 60 47 45 55 Wind dir E E SE SE SE SE S SE SE S S S S SW SW W W W W W W Wind spd 2 3 5 6 6 4 4 5 5 10 11 11 6 5 5 5 6 8 9 9 6 Clouds B2 B1 SC SC B1 B1 B2 OV OV OV B2 B2 B2 B2 SC FW FW FW FW FW FW PoP 12hr 20 50 80 60 10 QPF 12hr 0 0.20 0.41 0.10 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C C C D D L L Tstms S S C C S S C C L L C Obvis PF Heat index 87 86 83 85 81 80 Max heat 87 88 83 87 81 81 Date Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 77 56 74 54 75 55 78 Temp 63 64 77 69 59 59 73 69 55 58 73 69 58 60 77 72 Dewpt 57 57 53 53 50 50 48 49 47 48 47 51 50 53 54 57 PWind dir W W NW NW NW NW NW NW Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW SC SC SC SC FW SC FW FW FW FW FW FW SC SC PoP 12hr 5 30 10 10 5 5 5 10 Rain shwrs S C Tstms C $$ MDZ011-262000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 737 AM EDT Sun May 26 2024 Date Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 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 86 69 83 67 87 Temp 71 79 84 83 76 74 71 69 69 75 80 81 75 75 70 69 68 80 85 86 77 Dewpt 66 66 66 66 66 67 66 67 67 68 70 70 69 68 66 63 61 58 57 56 57 RH 84 64 55 57 71 79 84 93 93 79 72 69 82 79 87 81 78 47 39 36 50 Wind dir E E SE S SE SE SE SE SE S S S S S SW W W W W W W Wind spd 2 3 8 6 5 4 6 8 8 9 10 11 6 8 5 5 6 8 9 9 6 Clouds B2 B1 SC SC B1 B1 B2 OV OV OV B2 B2 B2 B2 SC FW FW FW FW FW FW PoP 12hr 20 50 80 60 10 QPF 12hr 0 0.14 0.48 0.14 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C C C D D L L Tstms S S C C S S C C L L C Obvis PF Heat index 86 85 83 85 81 Max heat 86 87 83 86 84 86 Date Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 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 83 62 79 59 80 61 83 Temp 68 70 82 71 63 65 77 70 61 63 77 70 62 66 82 74 Dewpt 56 56 53 51 50 49 47 47 45 45 46 49 49 51 52 55 PWind dir W W NW NW NW NW NW NW Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW SC SC SC SC FW SC FW FW FW FW FW FW SC SC PoP 12hr 5 30 20 10 5 5 5 10 Rain shwrs S C S Tstms C S $$ WVZ052-262000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 737 AM EDT Sun May 26 2024 Date Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 64 81 60 78 Temp 66 75 81 82 79 71 67 65 68 74 78 79 74 68 64 61 64 73 77 78 73 Dewpt 64 65 65 64 65 65 65 65 66 68 68 67 65 63 60 57 58 56 55 53 53 RH 93 71 58 55 62 81 93100 93 82 71 67 74 84 87 87 81 55 47 42 49 Wind dir N NE SE SE SE SE SE SE S S S S S SW W W W W W W W Wind spd 1 2 4 6 6 5 5 5 8 10 11 10 5 5 5 5 5 10 11 9 6 Clouds B1 SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 FW FW FW FW FW FW FW PoP 12hr 30 50 80 40 10 QPF 12hr 0 0.18 0.49 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C L L D D C C Tstms S C C S C L L C Obvis PF PF PF Heat index 83 83 Max heat 83 85 Date Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 73 51 70 48 72 49 76 Temp 59 63 73 67 55 55 69 66 51 53 70 67 51 55 73 72 Dewpt 52 54 50 48 47 47 45 44 43 45 43 48 47 50 52 55 PWind dir W W NW NW NW NW NW W Wind char LT GN LT GN LT LT LT LT Avg clouds FW FW SC SC SC SC SC FW FW FW FW FW FW FW SC SC PoP 12hr 5 40 10 10 5 5 10 20 Rain shwrs C C S Tstms C $$ VAZ506-262000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 737 AM EDT Sun May 26 2024 Date Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 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 86 68 85 64 81 Temp 67 77 84 84 80 73 70 69 70 77 83 83 79 72 68 65 67 75 80 80 75 Dewpt 65 68 67 67 68 68 68 68 70 71 72 71 69 68 65 63 62 59 57 57 58 RH 93 74 57 57 67 84 93 97100 82 70 67 72 87 90 93 84 58 45 45 55 Wind dir N NE S S SE SE S SE SE S S S S SW W W W W W W W Wind spd 2 2 3 4 8 4 4 5 6 10 11 10 6 5 5 4 5 8 9 8 6 Clouds B1 SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC FW FW FW FW FW FW PoP 12hr 30 50 70 50 10 QPF 12hr 0 0.12 0.41 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C C L L C C Tstms S C C C C L L C S Obvis PF PF Heat index 87 87 83 88 88 80 80 Max heat 87 88 88 90 80 81 Date Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 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 76 54 72 51 75 52 78 Temp 61 64 75 69 58 57 70 66 54 56 73 69 55 58 77 73 Dewpt 55 57 53 51 50 49 47 49 45 48 47 51 49 53 54 58 PWind dir W W NW NW NW NW NW NW Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW SC SC SC FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 5 30 10 10 5 5 10 20 Rain shwrs S C S Tstms C $$ VAZ037-262000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 737 AM EDT Sun May 26 2024 Date Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 69 87 65 85 Temp 69 80 86 88 82 75 71 70 71 77 85 85 78 74 69 66 68 78 83 84 75 Dewpt 64 66 65 65 66 66 66 66 67 69 67 67 65 64 62 59 59 56 54 52 54 RH 84 62 50 47 58 74 84 87 87 76 55 55 64 71 78 78 73 47 37 33 48 Wind dir N E SE SE S S S S S S S S SW SW W W W W W W W Wind spd 1 3 5 6 5 3 2 3 5 8 10 10 8 6 5 5 5 8 8 8 6 Clouds SC FW SC SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 FW FW FW FW FW FW CL PoP 12hr 50 50 70 30 5 QPF 12hr 0.04 0.38 0.20 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C C L L C C Tstms S C C S S L L C S Obvis PF PF Heat index 82 88 90 84 88 88 Max heat 88 90 88 89 82 83 Date Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 80 55 77 53 78 54 81 Temp 61 65 78 70 57 60 75 68 54 57 75 70 55 60 79 73 Dewpt 53 54 48 47 47 47 44 45 45 45 44 48 47 50 51 55 PWind dir W W NW NW NW N NW W Wind char LT LT LT LT LT LT LT LT Avg clouds CL FW FW SC FW FW CL FW FW FW FW FW FW FW FW SC PoP 12hr 0 20 5 5 5 5 10 20 Rain shwrs S S Tstms S $$ MDZ003-262000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 737 AM EDT Sun May 26 2024 Date Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 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 83 66 81 61 78 Temp 67 76 81 83 78 71 68 67 69 74 79 79 75 69 65 62 65 73 78 77 71 Dewpt 64 67 67 66 67 66 66 66 68 69 70 69 67 65 63 59 60 58 57 55 56 RH 90 74 63 57 69 84 93 97 97 84 74 72 76 87 93 90 84 59 48 47 59 Wind dir N NE SE S SE SE S S SE S S S S SW W W W W W W W Wind spd 2 2 4 5 5 4 4 5 6 9 10 9 5 5 5 5 5 9 11 10 6 Clouds B1 SC B1 SC B1 B1 B2 B2 B2 OV B2 B2 B2 B2 SC SC SC SC FW FW FW PoP 12hr 30 50 80 50 10 QPF 12hr 0 0.23 0.64 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C L L D D C C Tstms S C C S C L L C Obvis PF PF PF Heat index 83 85 Max heat 83 85 Date Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 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 57 72 52 71 48 72 50 77 Temp 59 62 72 65 54 56 69 65 50 53 70 66 52 58 76 72 Dewpt 54 55 53 50 49 49 47 47 44 46 46 51 48 52 54 57 PWind dir W W NW NW NW NW NW W Wind char LT LT LT GN LT LT LT LT Avg clouds FW SC SC SC SC SC SC FW FW FW FW FW FW FW SC SC PoP 12hr 5 50 10 10 5 5 5 20 Rain shwrs C C S Tstms C $$ MDZ017-262000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 737 AM EDT Sun May 26 2024 Date Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 69 85 68 83 Temp 70 78 81 81 74 71 70 69 71 78 83 83 77 75 70 68 70 79 81 83 76 Dewpt 67 68 68 67 67 66 66 66 69 70 71 70 69 68 68 66 65 62 61 60 62 RH 90 71 65 63 79 84 87 90 93 76 67 65 76 79 93 93 84 56 51 46 62 Wind dir SE SE SE SE SE SE S S S S S S S SW SW W W W W W SW Wind spd 3 5 9 10 9 6 6 6 8 10 13 12 10 9 8 6 6 6 5 5 5 Clouds B2 B1 SC SC B1 B1 B2 B2 B2 B2 B1 B2 B2 B2 SC FW FW FW FW FW SC PoP 12hr 20 40 70 60 10 QPF 12hr 0 0.06 0.16 0.08 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C L L L L Tstms S S S S S S C C C L C Obvis PF PF Heat index 84 83 88 87 82 83 Max heat 84 85 88 88 82 83 Date Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 81 59 75 58 75 58 78 Temp 66 68 81 72 61 61 74 70 62 63 74 70 61 63 77 71 Dewpt 59 59 57 56 52 51 51 52 50 51 50 52 53 54 56 58 PWind dir W W NW NW NW N NW NW Wind char LT LT GN GN LT LT LT LT Avg clouds FW FW SC SC SC FW FW SC FW FW FW FW FW FW FW SC PoP 12hr 5 20 10 5 5 5 5 10 Rain shwrs S Tstms S $$ WVZ502-262000- Petersburg WV 38.99N 79.15W Elev. 963 ft 737 AM EDT Sun May 26 2024 Date Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 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 86 63 84 59 78 Temp 64 75 84 83 76 68 66 63 66 75 81 81 73 68 63 60 62 70 76 77 69 Dewpt 63 65 65 66 66 65 64 63 66 68 68 67 64 62 59 56 55 55 53 53 54 RH 97 71 53 57 71 90 93100100 79 65 63 73 81 87 87 78 59 45 43 59 Wind dir NE E SE S S S S S S S S SW SW W W W W W W W W Wind spd 1 2 4 5 4 3 3 4 4 6 10 10 5 5 5 4 5 8 10 9 6 Clouds SC FW SC B1 B1 B2 B1 B1 B2 B2 B2 B1 SC B1 SC FW SC SC SC FW FW PoP 12hr 50 60 80 30 20 QPF 12hr 0.08 0.28 0.24 0.01 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L L L L D D C C S S Tstms C C C S C L C C S S Obvis PF PF PF Heat index 86 85 84 83 Max heat 86 87 84 85 Date Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 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 54 72 49 72 45 76 49 81 Temp 58 58 72 63 53 52 70 64 48 51 74 68 51 55 78 72 Dewpt 52 52 50 49 49 46 45 46 44 45 43 51 48 50 53 57 PWind dir W W NW NW NW NW W NW Wind char LT GN LT LT LT LT LT LT Avg clouds FW SC SC SC SC SC FW FW FW FW FW FW FW FW FW SC PoP 12hr 10 50 10 10 0 5 10 20 Rain shwrs C C S Tstms S $$ MDZ014-262000- Annapolis MD 38.99N 76.49W Elev. 7 ft 737 AM EDT Sun May 26 2024 Date Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 69 82 68 81 Temp 70 75 79 81 77 73 70 70 71 75 79 80 76 73 70 68 70 75 79 81 76 Dewpt 67 68 68 67 68 68 68 68 68 70 71 70 69 69 68 66 64 61 60 59 60 RH 90 79 69 63 74 84 93 93 90 84 77 72 79 87 93 93 81 62 52 47 58 Wind dir SE SE SE S S S S S SE S S S S SW SW W W W W W W Wind spd 2 4 8 8 9 6 5 6 8 10 12 11 10 8 5 5 6 8 9 8 6 Clouds B2 B1 SC SC B1 B2 B2 B2 B2 OV B2 B2 B2 B2 B1 FW FW FW SC FW FW PoP 12hr 20 50 70 60 10 QPF 12hr 0 0.13 0.32 0.09 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C L L L L Tstms S S S S S S C C C L C Obvis PF Heat index 83 83 81 Max heat 83 83 81 Date Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 Sat 06/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 78 60 73 58 74 59 76 Temp 66 67 78 71 61 61 71 68 61 60 72 69 60 63 75 71 Dewpt 59 58 56 54 52 51 50 50 50 49 49 51 53 53 56 58 PWind dir W W NW NW NW NW NW W Wind char LT LT GN GN LT LT LT LT Avg clouds FW FW SC SC SC FW FW SC FW FW FW FW FW FW SC SC PoP 12hr 5 30 10 10 5 5 5 10 Rain shwrs C Tstms S $$