Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
215 FOUS51 KLWX 251441 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1040 AM EDT Sat May 25 2024 VAZ054-252000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1040 AM 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 87 70 86 Temp 83 87 87 81 75 72 69 72 79 84 84 78 75 72 71 72 78 82 84 78 Dewpt 66 62 62 65 65 66 66 67 68 67 68 68 68 67 68 69 70 70 70 69 RH 57 43 43 58 71 81 90 84 69 57 59 71 79 84 90 90 76 67 63 74 Wind dir S S S S S SE S SE SE SE SE SE SE SE S SE S S S SW Wind spd 5 8 9 8 5 4 3 3 3 5 6 8 6 6 8 9 11 12 12 10 Clouds B1 SC B1 B1 B2 B1 B1 B1 SC B2 B1 B2 OV OV B2 B2 B2 B1 B2 B2 PoP 12hr 10 40 30 40 90 QPF 12hr 0 0.21 0.05 0.21 0.55 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C L L D D C Tstms C S S S S S S S C C L L S Heat index 85 87 87 83 87 87 86 88 Max heat 87 88 87 88 86 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 68 82 64 79 59 74 56 75 Temp 71 69 80 78 67 66 77 73 61 61 72 71 60 60 74 72 Dewpt 65 62 56 56 55 56 52 51 49 49 47 47 48 49 47 50 PWind dir W W W W NW NW NW NW Wind char GN GN LT GN GN GN LT GN Avg clouds B1 FW FW FW FW FW FW FW FW FW SC SC FW FW FW SC PoP 12hr 40 10 10 30 10 10 5 10 Rain shwrs C C Tstms S S $$ MDZ013-252000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1040 AM EDT Sat May 25 2024 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 66 85 67 83 Temp 83 87 85 79 73 68 66 70 77 82 82 76 71 69 68 69 75 80 81 75 Dewpt 66 62 63 64 64 65 65 67 67 68 68 69 67 67 66 69 70 71 71 69 RH 57 43 48 60 73 90 97 90 71 63 63 79 87 93 93100 84 74 72 82 Wind dir S S S S SW S S SE SE SE SE SE S SE SE SE S S S SW Wind spd 4 6 9 6 4 2 2 2 3 5 5 5 4 4 5 5 9 10 11 8 Clouds B1 SC B1 B1 B2 B2 B1 SC SC B1 B2 B1 B2 B2 OV OV B2 OV B2 B2 PoP 12hr 10 40 30 40 90 QPF 12hr 0 0.22 0.03 0.20 0.60 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C L L D D C Tstms C S S S S S S S C C L L S Heat index 85 87 86 85 85 83 85 Max heat 87 87 85 86 83 85 Date Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 82 62 77 56 74 54 75 Temp 70 67 80 76 64 65 75 71 59 59 72 70 58 59 74 71 Dewpt 66 62 58 58 56 56 53 53 51 51 48 50 49 50 49 52 PWind dir SW W W W NW NW NW NW Wind char LT LT LT GN LT GN LT LT Avg clouds B2 FW FW FW FW FW FW FW FW FW SC FW FW FW FW FW PoP 12hr 50 10 10 30 10 20 5 10 Rain shwrs C C S Tstms S S $$ MDZ011-252000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1040 AM 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 72 89 72 88 Temp 84 89 88 80 77 73 72 72 82 86 86 81 77 75 74 72 80 83 84 79 Dewpt 65 61 61 63 64 65 65 66 66 66 67 67 67 67 67 68 69 70 70 69 RH 53 39 40 56 64 76 79 81 58 51 53 63 71 76 79 87 69 65 63 72 Wind dir S SE S S SW S SE SE SE SE SE SE S SE SE SE S S S S Wind spd 4 8 6 5 3 2 2 2 2 5 5 4 4 4 5 5 9 10 11 6 Clouds B1 B1 B1 B1 B2 B2 B1 SC SC B1 B1 B1 B2 B2 OV B2 OV B2 B2 B2 PoP 12hr 20 40 30 30 90 QPF 12hr 0 0.20 0.02 0.21 0.63 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C L L D D C Tstms C S S S S S S S C C L L S Heat index 86 89 88 81 84 88 89 83 83 87 88 Max heat 89 89 81 88 90 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 70 87 67 81 61 78 59 79 Temp 75 70 84 81 71 67 78 76 66 62 75 74 64 60 77 75 Dewpt 65 60 56 56 55 55 52 51 50 49 47 48 47 48 47 50 PWind dir SW W W W NW NW NW NW Wind char LT LT LT LT LT GN LT LT Avg clouds B2 SC FW FW FW FW FW SC FW FW FW FW FW FW FW SC PoP 12hr 50 10 10 30 10 20 5 10 Rain shwrs C S C S Tstms S S $$ WVZ052-252000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1040 AM EDT Sat May 25 2024 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 61 83 65 80 Temp 78 85 85 77 67 64 62 68 75 81 81 76 70 68 67 69 74 78 76 73 Dewpt 64 63 62 64 63 62 62 63 65 65 65 65 65 65 66 66 67 68 67 65 RH 62 48 46 64 87 93100 84 71 58 58 69 84 90 97 90 79 71 74 76 Wind dir S S S S SE W W N NE SE SE SE SE S S S S S S SW Wind spd 3 6 6 4 3 1 1 1 2 3 5 5 5 5 5 8 9 10 10 8 Clouds B1 B1 B1 B1 B1 B2 B1 B1 SC B1 B1 B2 B1 B2 B1 B2 B2 OV OV B2 PoP 12hr 30 50 50 50 90 QPF 12hr 0.16 0.44 0.08 0.23 0.52 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S C C C C C C L L D D C Tstms S C S S S S S S S C C L L S Obvis PF PF Heat index 86 86 83 83 Max heat 86 86 83 84 Date Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 78 55 72 51 70 48 72 Temp 65 64 76 71 58 61 70 66 53 57 68 66 52 54 71 69 Dewpt 60 57 53 53 52 54 50 48 47 47 45 46 45 47 46 49 PWind dir W W W W NW NW NW NW Wind char LT GN LT GN LT GN LT LT Avg clouds B2 FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 30 20 10 40 10 20 5 10 Rain shwrs C S C C S Tstms S S S $$ VAZ506-252000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1040 AM 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 68 85 Temp 82 86 86 79 72 69 66 70 79 84 84 78 73 71 69 71 77 81 82 76 Dewpt 66 63 63 65 66 66 65 67 68 68 68 69 69 68 68 69 71 71 71 69 RH 58 46 46 62 81 90 97 90 69 59 59 74 87 90 97 93 82 72 69 79 Wind dir S S S S SE S W N E SE SE SE SE SE S S S S S SW Wind spd 5 6 8 5 4 2 2 2 2 3 5 5 5 4 5 6 9 10 10 6 Clouds B1 B1 B1 B1 B2 B2 B2 SC SC SC SC B1 B2 OV B2 OV B2 B2 B2 B1 PoP 12hr 30 40 40 50 90 QPF 12hr 0.02 0.30 0.04 0.30 0.59 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C C C C C L L D D C Tstms C S S S S S S S C C L L S Obvis PF Heat index 84 87 87 87 87 85 86 Max heat 87 88 87 88 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 63 81 59 76 54 73 51 75 Temp 68 67 79 76 63 64 74 71 58 59 71 69 57 57 74 71 Dewpt 65 62 56 58 55 57 52 52 50 50 48 50 49 50 49 53 PWind dir W W W W NW NW NW NW Wind char LT LT LT GN LT GN LT LT Avg clouds B1 FW FW FW FW FW FW FW FW FW SC SC FW FW FW SC PoP 12hr 40 10 10 30 10 10 5 10 Rain shwrs C C Tstms S S $$ VAZ037-252000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1040 AM EDT Sat May 25 2024 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 66 89 69 86 Temp 82 88 88 79 73 68 67 71 82 86 86 81 74 71 71 72 79 83 82 78 Dewpt 64 63 63 65 64 63 62 64 66 66 66 66 66 66 66 67 69 68 66 65 RH 55 43 43 62 73 84 84 79 58 51 51 60 76 84 84 84 72 61 58 64 Wind dir S S S SE NE NW N NW E SE S SE SE S S S S S SW SW Wind spd 3 6 6 5 3 1 1 1 2 4 5 4 3 3 4 5 8 10 9 6 Clouds SC B1 B1 B2 B1 B1 B1 B1 SC SC B1 B1 B2 B1 B2 B2 B1 B1 B2 SC PoP 12hr 50 40 50 30 90 QPF 12hr 0.17 0.04 0.13 0.15 0.33 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C C C C D D S Tstms S C S S S S S S S S L L Obvis PF PF Heat index 83 89 89 84 88 88 83 86 84 Max heat 89 89 88 89 86 86 Date Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 84 59 80 55 77 53 77 Temp 69 64 82 77 63 64 78 74 59 59 75 72 57 57 76 73 Dewpt 61 58 52 53 52 53 48 48 49 49 44 46 46 47 45 49 PWind dir W W W W NW NW NW N Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 20 10 5 20 10 10 5 5 Rain shwrs S S Tstms S $$ MDZ003-252000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1040 AM 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 84 66 81 Temp 79 85 84 77 70 66 63 69 76 81 82 76 71 69 68 69 75 78 78 74 Dewpt 66 64 62 64 64 64 63 66 67 66 66 67 67 67 67 68 70 70 70 66 RH 64 50 48 64 81 93100 90 74 60 58 74 87 93 97 97 84 76 76 76 Wind dir SW S S SE SE SW NW N NE SE SE SE SE SE SE S S S S SW Wind spd 4 8 6 5 4 2 2 2 2 3 4 4 5 5 5 6 9 10 9 6 Clouds B1 B1 B1 B1 B2 B2 B2 SC SC B1 B1 B2 B2 B2 B1 OV B2 OV OV B2 PoP 12hr 40 60 40 40 100 QPF 12hr 0.15 0.67 0.04 0.30 0.52 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L C S C C C C C C L L D D C Tstms S C S S S S S S S C C L L S Obvis PF Heat index 86 85 83 84 Max heat 86 87 83 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 60 78 57 73 51 71 49 74 Temp 66 64 76 72 59 61 72 66 54 57 69 67 54 55 72 69 Dewpt 62 59 56 55 54 55 52 51 48 49 47 49 47 49 49 52 PWind dir W W W W NW NW NW NW Wind char LT GN LT GN LT GN LT LT Avg clouds B2 FW FW FW FW FW SC FW FW FW FW FW FW FW FW SC PoP 12hr 30 20 10 40 10 20 5 10 Rain shwrs C S C C S S Tstms S S S $$ MDZ017-252000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1040 AM EDT Sat May 25 2024 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 66 83 68 85 Temp 80 83 82 76 71 68 66 70 76 80 78 73 70 70 70 72 78 82 82 77 Dewpt 69 67 65 66 65 65 64 66 68 68 67 67 66 66 66 69 70 70 69 69 RH 69 59 56 71 81 90 93 87 76 67 69 81 87 87 87 90 76 67 65 76 Wind dir S SE SE S S SE S SE SE SE SE SE SE S S S S S S S Wind spd 4 8 9 8 6 4 3 3 5 8 9 8 6 6 6 8 10 13 12 10 Clouds B1 SC B1 SC B1 B2 B2 B1 SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B2 PoP 12hr 5 20 20 30 70 QPF 12hr 0 0.05 0.06 0.13 0.45 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C C C L L C Tstms S S S S S S S S S C C S Obvis PF Heat index 83 86 84 83 86 85 Max heat 86 85 83 83 86 87 Date Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 82 64 80 59 75 57 75 Temp 71 70 80 76 66 67 78 73 62 62 73 70 60 62 74 70 Dewpt 67 64 60 61 58 59 56 56 53 52 51 53 52 52 52 54 PWind dir SW W W W NW NW NW N Wind char GN LT LT LT LT GN LT GN Avg clouds B2 SC FW FW FW FW FW FW FW FW FW SC FW FW FW FW PoP 12hr 50 10 10 20 10 10 5 10 Rain shwrs C S Tstms S $$ WVZ502-252000- Petersburg WV 38.99N 79.15W Elev. 963 ft 1040 AM 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 60 86 65 85 Temp 81 87 85 78 68 63 60 66 76 83 82 76 70 68 67 69 77 82 79 74 Dewpt 63 61 63 65 63 62 60 63 65 65 67 67 65 65 65 66 68 68 66 64 RH 54 42 48 64 84 97100 90 69 55 61 74 84 90 93 90 74 63 64 71 Wind dir S SW SW S W W SW N E SE SE S S S S S S SW SW W Wind spd 3 4 4 3 2 2 1 1 2 3 4 4 3 3 4 4 5 9 9 6 Clouds SC B1 B2 B1 B2 B1 SC SC SC B1 B1 B1 B2 B2 B1 B1 B1 B2 OV B2 PoP 12hr 60 40 50 50 90 QPF 12hr 0.05 0.09 0.16 0.14 0.37 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C C S C C C C C C L L D D S Tstms C C C S S S S S S S C C L L Obvis PF PF Heat index 82 87 86 85 85 85 Max heat 87 88 85 86 85 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 58 78 54 73 49 72 46 76 Temp 64 61 76 71 57 58 71 66 53 53 70 67 51 52 74 70 Dewpt 59 55 53 54 52 52 49 50 49 47 45 48 46 47 47 51 PWind dir W W W W NW NW W NW Wind char LT GN LT GN LT LT LT LT Avg clouds B1 SC FW FW FW FW SC FW SC FW FW FW FW FW FW SC PoP 12hr 20 30 10 50 10 20 5 10 Rain shwrs S C C C S Tstms S S $$ MDZ014-252000- Annapolis MD 38.99N 76.49W Elev. 7 ft 1040 AM EDT Sat May 25 2024 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 68 81 68 82 Temp 80 83 83 78 73 69 68 70 75 78 79 76 72 71 70 71 75 79 79 76 Dewpt 68 65 64 65 67 66 66 67 68 69 68 68 67 68 68 69 70 71 71 69 RH 67 55 53 64 81 90 93 90 79 74 69 76 84 90 93 93 84 77 77 79 Wind dir S S S S S S S S S SE S S S S S S S S S S Wind spd 4 9 10 8 6 3 2 2 4 6 6 5 5 5 6 6 10 12 11 10 Clouds SC SC B1 B1 B2 B2 B2 SC SC SC B1 B1 OV B2 B2 B2 B2 B2 B2 B2 PoP 12hr 10 30 30 30 80 QPF 12hr 0 0.14 0.04 0.15 0.59 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C C L L D D C Tstms S S S S S S S S C C L L S Heat index 83 85 84 Max heat 85 85 Date Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 Fri 05/31/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 80 64 76 59 73 58 73 Temp 71 68 77 76 67 66 76 72 63 60 71 71 61 60 72 71 Dewpt 67 63 60 60 57 57 55 54 53 51 50 51 51 51 51 53 PWind dir SW W W W NW NW NW NW Wind char LT LT LT GN LT GN LT LT Avg clouds B2 SC FW FW FW FW FW FW FW FW FW SC FW FW FW FW PoP 12hr 50 10 10 30 10 10 5 10 Rain shwrs C C Tstms S S $$