Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
302 FOUS51 KLWX 251738 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 138 PM EDT Sat May 25 2024 VAZ054-252000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 138 PM EDT Sat May 25 2024 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 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 86 70 86 Temp 87 87 81 75 71 70 71 79 85 84 78 75 71 70 72 77 82 83 78 Dewpt 62 62 65 66 66 66 67 67 67 67 68 67 68 68 69 70 70 70 69 RH 43 43 58 74 84 87 87 67 55 57 71 76 90 93 90 79 67 65 74 Wind dir S S S S S S NE E SE SE SE SE SE SE S S S S S Wind spd 8 8 8 5 4 3 3 4 6 8 9 8 8 9 9 11 13 13 10 Clouds B1 B2 B2 B2 B2 B2 B1 SC B1 B1 B1 B1 B2 OV B2 B2 B2 B2 B2 PoP 12hr 20 30 30 50 90 QPF 12hr 0 0.21 0.05 0.21 0.55 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C C C C C L L D D C Tstms C C C C C C S S C C L L S Heat index 87 87 83 88 87 86 87 Max heat 87 88 88 88 86 87 Date Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 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 83 64 79 59 75 56 75 Temp 72 71 81 76 66 67 78 71 61 61 74 70 60 59 72 69 Dewpt 66 62 57 57 56 57 53 51 50 49 47 47 46 47 46 49 PWind dir SW W W W NW NW NW NW Wind char GN GN LT GN GN GN LT LT Avg clouds B1 FW FW FW FW FW SC SC SC FW FW SC FW FW FW FW PoP 12hr 40 10 5 30 10 10 5 5 Rain shwrs C C Tstms S C $$ MDZ013-252000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 138 PM EDT Sat May 25 2024 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 66 86 67 83 Temp 86 84 78 72 68 66 68 78 84 83 77 72 69 67 70 74 79 80 76 Dewpt 62 63 63 64 65 65 66 68 67 67 68 67 66 66 68 70 71 72 70 RH 45 49 60 76 90 97 93 71 57 59 74 84 90 97 93 87 77 77 82 Wind dir S S S SW SE E E E SE SE SE SE S SE SE S S S S Wind spd 6 9 5 3 2 2 2 3 5 6 6 4 4 5 5 10 11 11 6 Clouds B1 B2 B1 B2 B2 B2 B2 B1 SC SC B1 B1 B2 OV OV OV B2 B2 B2 PoP 12hr 20 40 20 50 90 QPF 12hr 0 0.22 0.03 0.20 0.60 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S S C C C C L L D D C Tstms S C S S C C S S C C L L S Heat index 86 85 87 86 84 Max heat 87 87 87 88 84 Date Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 81 61 77 56 74 54 75 Temp 70 68 80 75 63 64 77 69 59 59 73 69 55 58 73 69 Dewpt 68 63 58 58 57 57 53 53 50 50 48 49 47 48 47 51 PWind dir SW W W W NW NW NW NW Wind char LT GN LT LT LT GN LT LT Avg clouds B1 FW FW FW FW FW SC SC SC SC FW SC FW FW FW FW PoP 12hr 50 10 5 30 10 10 5 5 Rain shwrs C S C Tstms S C $$ MDZ011-252000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 138 PM EDT Sat May 25 2024 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 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 89 70 86 69 83 Temp 89 88 81 75 72 71 71 79 84 83 76 74 71 70 70 79 83 83 78 Dewpt 61 61 63 64 65 66 66 66 66 66 66 67 66 67 67 68 70 70 69 RH 39 40 54 69 79 84 84 64 55 57 71 79 84 90 90 69 65 65 74 Wind dir S SE S S S E E E SE S SE SE SE SE SE S S S S Wind spd 8 9 5 4 2 2 2 3 8 6 5 4 6 8 8 9 10 11 6 Clouds B1 B1 B1 B2 B2 B2 B2 B1 SC SC B1 B1 B2 OV OV B2 B2 B2 B2 PoP 12hr 20 40 20 50 90 QPF 12hr 0 0.20 0.02 0.21 0.63 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S S C C C C L L D D C Tstms S C S S C C S S C C L L S Heat index 89 88 82 86 85 87 87 Max heat 89 88 81 86 87 87 87 Date Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 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 87 67 83 62 79 59 80 Temp 74 72 85 77 68 70 82 71 63 65 77 70 61 63 77 70 Dewpt 66 61 57 57 56 56 53 51 50 49 47 47 45 45 46 49 PWind dir SW W W W NW NW NW NW Wind char LT GN LT LT LT GN LT LT Avg clouds B1 FW FW FW FW FW SC SC SC SC FW SC FW FW FW FW PoP 12hr 50 10 5 30 20 10 5 5 Rain shwrs C S C S Tstms S C S $$ WVZ052-252000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 138 PM EDT Sat May 25 2024 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 61 83 64 81 Temp 84 83 76 68 64 63 66 75 81 82 79 71 67 65 68 74 78 76 74 Dewpt 63 62 64 63 63 62 64 65 65 64 65 65 65 65 66 68 68 67 65 RH 49 49 66 84 97 97 93 71 58 55 62 81 93100 93 82 71 74 74 Wind dir S S S SE SW NW N NE SE SE SE SE SE SE S S S S S Wind spd 6 6 4 2 1 1 1 2 4 6 6 5 5 5 8 10 11 10 5 Clouds B1 B2 B2 B2 B2 B2 B1 SC SC SC B1 B1 B2 B2 B2 B2 B1 B2 B1 PoP 12hr 30 40 30 50 90 QPF 12hr 0.16 0.42 0.08 0.23 0.52 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S C C C C C L L D D C Tstms S C S S C C S C C L L S Obvis PF PF PF PF Heat index 85 84 83 83 Max heat 85 85 83 85 Date Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 78 56 73 51 70 48 72 Temp 65 64 77 73 59 63 73 67 55 55 69 66 51 53 70 67 Dewpt 60 58 55 53 52 54 50 48 47 47 45 44 43 45 43 48 PWind dir SW W W W NW NW NW NW Wind char LT GN LT GN LT GN LT LT Avg clouds SC FW FW FW FW FW SC SC SC SC SC FW FW FW FW FW PoP 12hr 30 10 5 40 10 10 5 5 Rain shwrs C C C Tstms S C $$ VAZ506-252000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 138 PM EDT Sat May 25 2024 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 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 87 64 86 68 85 Temp 86 85 80 72 68 65 67 77 84 84 80 73 70 69 70 76 82 82 77 Dewpt 63 63 64 65 65 64 65 68 67 67 68 68 68 68 70 71 72 71 69 RH 46 48 58 79 90 97 93 74 57 57 67 84 93 97100 85 72 69 76 Wind dir S S S S W N N NE S S SE SE S SE SE S S S S Wind spd 6 8 5 3 2 2 2 2 3 4 8 4 4 5 6 10 11 10 6 Clouds B1 B2 B2 B2 B2 B2 B1 SC SC SC B1 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 30 30 30 50 90 QPF 12hr 0.02 0.29 0.04 0.30 0.59 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C C C C L L D D C Tstms C S S C C C C C L L S Obvis PF PF PF Heat index 87 86 82 87 87 83 87 86 Max heat 87 88 87 88 87 88 Date Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 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 76 54 72 51 75 Temp 70 66 80 75 61 64 75 69 58 57 70 66 54 56 73 69 Dewpt 65 62 57 58 55 57 53 51 50 49 47 49 45 48 47 51 PWind dir SW W W W NW NW NW NW Wind char LT LT LT LT LT GN LT LT Avg clouds SC FW FW FW FW FW SC SC SC FW FW FW FW FW FW FW PoP 12hr 40 10 5 30 10 10 5 5 Rain shwrs C S C Tstms S C $$ VAZ037-252000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 138 PM EDT Sat May 25 2024 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 64 88 69 87 Temp 85 85 77 72 67 65 69 80 86 88 82 75 71 70 71 79 84 83 78 Dewpt 63 63 64 65 64 62 64 66 65 65 66 66 66 66 67 69 67 67 65 RH 48 48 64 79 90 90 84 62 50 47 58 74 84 87 87 72 57 59 64 Wind dir S S S NE W NW N E SE SE S S S S S S S S SW Wind spd 6 6 4 2 1 1 1 3 5 6 5 3 2 3 5 8 10 10 8 Clouds SC B1 B2 B2 B1 B1 SC FW SC SC B1 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 40 40 50 50 90 QPF 12hr 0.17 0.03 0.13 0.15 0.33 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S C C C C C C C D D S Tstms S C C S S C C S S S L L Obvis PF PF Heat index 86 86 82 88 90 84 87 86 Max heat 86 88 88 90 87 87 Date Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 85 60 80 55 77 53 78 Temp 70 68 83 75 61 65 78 70 57 60 75 68 54 57 75 70 Dewpt 62 59 54 54 53 54 48 47 47 47 44 45 45 45 44 48 PWind dir SW W W W NW NW NW N Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW CL FW FW SC FW FW CL FW FW FW FW FW PoP 12hr 20 5 0 20 5 5 5 5 Rain shwrs S S Tstms S $$ MDZ003-252000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 138 PM EDT Sat May 25 2024 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 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 83 66 81 Temp 85 84 77 69 66 65 67 76 81 83 78 71 68 67 69 74 79 77 74 Dewpt 64 62 64 64 63 63 64 67 67 66 67 66 66 66 68 69 70 69 67 RH 50 48 64 84 90 93 90 74 63 57 69 84 93 97 97 84 74 76 79 Wind dir S S S SE S N N NE SE S SE SE S S SE S S S S Wind spd 8 6 5 3 2 2 2 2 4 5 5 4 4 5 6 9 10 9 5 Wind gust 20 Clouds B1 B2 B2 B2 B2 B2 B1 SC B1 SC B1 B1 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 30 40 30 50 100 QPF 12hr 0.15 0.66 0.04 0.30 0.52 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S C C C C C L L D D C Tstms S C S S C C S C C L L S Obvis PF PF PF Heat index 86 85 83 85 Max heat 86 86 83 85 Date Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 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 78 57 72 52 71 48 72 Temp 66 64 78 71 59 62 72 65 54 56 69 65 50 53 70 66 Dewpt 63 60 57 56 54 55 53 50 49 49 47 47 44 46 46 51 PWind dir SW W W W NW NW NW NW Wind char LT GN LT LT LT GN LT LT Avg clouds SC FW SC FW FW SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 30 10 5 50 10 10 5 5 Rain shwrs C C C Tstms S C $$ MDZ017-252000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 138 PM EDT Sat May 25 2024 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 68 83 69 85 Temp 82 81 76 71 70 69 70 78 81 81 74 71 70 69 71 77 81 82 77 Dewpt 67 65 66 67 67 66 67 68 68 67 67 66 66 66 69 70 71 70 69 RH 61 58 71 87 90 90 90 71 65 63 79 84 87 90 93 79 72 67 76 Wind dir SE SE S S S S SE SE SE SE SE SE S S S S S S S Wind spd 9 9 8 6 5 3 3 5 9 10 9 6 6 6 8 10 13 12 10 Clouds SC B1 B1 B2 OV B2 B2 B1 SC SC B1 B1 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 5 30 20 40 70 QPF 12hr 0 0.05 0.06 0.13 0.45 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S C C C C L L C Tstms S S S S S S S S S S C C S Obvis PF Heat index 85 83 84 83 85 86 Max heat 86 85 84 85 85 86 Date Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 83 64 81 59 75 58 75 Temp 72 71 81 76 66 68 81 72 61 61 74 70 62 63 74 70 Dewpt 68 65 61 62 59 59 57 56 52 51 51 52 50 51 50 52 PWind dir SW W W W NW NW NW N Wind char GN LT LT LT GN GN LT LT Avg clouds B1 SC FW FW FW FW SC SC SC FW FW SC FW FW FW FW PoP 12hr 50 10 5 20 10 5 5 5 Rain shwrs C S Tstms S S $$ WVZ502-252000- Petersburg WV 38.99N 79.15W Elev. 963 ft 138 PM EDT Sat May 25 2024 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 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 59 86 63 84 Temp 85 83 75 67 64 61 64 75 84 83 76 68 66 63 66 76 81 80 74 Dewpt 61 63 65 64 62 61 63 65 65 66 66 65 64 63 66 68 68 67 64 RH 45 51 71 90 93100 97 71 53 57 71 90 93100100 76 65 65 71 Wind dir SW SW S S SW SW NE E SE S S S S S S S S SW SW Wind spd 4 4 2 2 2 1 1 2 4 5 4 3 3 4 4 6 10 10 5 Clouds B1 B2 B2 B1 B2 B1 SC FW SC B1 B1 B2 B1 B1 B2 B2 B1 B1 SC PoP 12hr 60 30 50 60 90 QPF 12hr 0.05 0.09 0.16 0.14 0.37 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S C C C C L L L L D D S Tstms C C C S C C C S C C L L Obvis PF PF PF PF PF Heat index 85 84 86 85 84 82 Max heat 85 86 86 87 84 84 Date Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 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 54 72 49 72 45 76 Temp 65 61 76 69 58 58 72 63 53 52 70 64 48 51 74 68 Dewpt 59 55 53 54 52 52 50 49 49 46 45 46 44 45 43 51 PWind dir W W W W NW NW NW NW Wind char LT GN LT GN LT LT LT LT Avg clouds B1 SC SC SC FW SC SC SC SC SC FW FW FW FW FW FW PoP 12hr 20 20 10 50 10 10 0 5 Rain shwrs S S C C Tstms S S $$ MDZ014-252000- Annapolis MD 38.99N 76.49W Elev. 7 ft 138 PM EDT Sat May 25 2024 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 68 82 69 82 Temp 81 81 77 73 70 68 70 75 79 81 77 73 70 70 71 74 77 78 76 Dewpt 65 64 65 66 66 66 67 68 68 67 68 68 68 68 68 70 71 70 69 RH 58 56 67 79 87 93 90 79 69 63 74 84 93 93 90 87 82 76 79 Wind dir S S S S SE S SE SE SE S S S S S SE S S S S Wind spd 8 9 6 5 3 2 2 4 8 8 9 6 5 6 8 10 12 11 10 Clouds SC B1 B2 B2 OV B2 B2 B1 SC SC B1 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 5 30 20 50 80 QPF 12hr 0 0.14 0.04 0.15 0.59 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S S S S C C L L D D C Tstms C S S S S S S C C L L S Heat index 83 83 83 Max heat 83 84 83 Date Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 81 65 78 60 73 58 74 Temp 72 70 79 76 66 67 78 71 61 61 71 68 61 60 72 69 Dewpt 68 64 60 60 59 58 56 54 52 51 50 50 50 49 49 51 PWind dir SW W W W NW NW NW NW Wind char LT GN LT LT GN GN LT LT Avg clouds B1 FW FW FW FW FW SC SC SC FW FW SC FW FW FW FW PoP 12hr 50 10 5 30 10 10 5 5 Rain shwrs C C Tstms S S $$