Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
000 FOUS51 KLWX 272336 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 736 PM EDT Sat Apr 27 2024 VAZ054-280800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 736 PM EDT Sat Apr 27 2024 Date 04/27/24 Sun 04/28/24 Mon 04/29/24 Tue 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 55 86 66 90 67 Temp 60 58 56 56 61 73 84 85 79 72 68 66 68 81 88 89 83 75 70 68 69 Dewpt 51 47 49 51 54 57 57 57 58 58 58 58 59 61 58 57 59 60 59 58 59 RH 72 67 77 83 78 57 40 39 49 61 70 75 73 51 36 34 44 60 68 70 70 Wind dir S SE S S SW SW SW SW SW SW SW SW W W W S S S S S SW Wind spd 9 5 4 4 4 5 6 10 6 6 5 4 3 5 5 9 6 5 6 6 5 Clouds OV B2 B2 B2 SC FW FW SC FW SC FW FW FW FW FW SC SC FW FW FW SC PoP 12hr 20 20 5 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Heat index 82 83 Max heat 83 84 87 89 82 Date 04/30 Wed 05/01/24 Thu 05/02/24 Fri 05/03/24 Sat 05/04/24 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 89 66 82 60 82 61 85 65 81 Temp 87 77 68 68 80 76 64 63 80 75 64 65 82 77 67 66 76 73 Dewpt 58 59 60 59 53 54 54 55 54 54 54 56 57 58 59 58 56 55 PWind dir SW NW NW E SE S S SW NW Wind char GN GN GN LT GN GN GN GN GN Avg clouds SC B1 B2 B1 SC FW FW SC SC SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 30 40 20 5 10 10 30 40 40 Rain shwrs C C S C C S S C Tstms C C S S S S $$ MDZ013-280800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 736 PM EDT Sat Apr 27 2024 Date 04/27/24 Sun 04/28/24 Mon 04/29/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 52 84 63 88 64 Temp 57 55 53 53 57 72 82 84 78 71 66 63 67 81 86 87 81 73 68 65 67 Dewpt 48 47 48 50 53 57 58 58 59 60 59 58 60 60 59 59 60 60 60 58 58 RH 72 74 83 89 86 59 44 41 52 68 78 84 78 49 40 39 49 64 76 78 73 Wind dir S SE S SW SW W W SW SW SW W W W W W SW S S S SW S Wind spd 5 4 3 3 2 4 6 6 5 4 4 4 3 4 5 6 5 4 4 3 4 Clouds OV B2 B2 B1 SC FW SC SC SC FW FW FW FW FW FW SC FW FW SC SC SC PoP 12hr 20 20 5 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Heat index 82 84 82 82 Max heat 82 84 85 87 Date 04/30 Wed 05/01/24 Thu 05/02/24 Fri 05/03/24 Sat 05/04/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 63 79 57 78 58 80 60 78 Temp 84 75 65 65 78 74 60 59 76 71 60 61 78 73 62 62 73 70 Dewpt 58 60 60 59 54 56 55 54 54 54 54 56 57 59 58 58 56 56 PWind dir S W N E SE S S SW W Wind char LT GN GN GN GN GN GN GN GN Avg clouds SC B1 B2 B1 SC FW FW SC SC FW SC SC SC B1 B1 B1 B2 B1 PoP 12hr 30 40 20 5 10 10 30 40 30 Rain shwrs C C S S S C C S S C Tstms C C S S S S S $$ MDZ011-280800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 736 PM EDT Sat Apr 27 2024 Date 04/27/24 Sun 04/28/24 Mon 04/29/24 Tue 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 57 89 69 92 70 Temp 57 61 58 58 62 76 87 87 79 77 71 69 72 85 90 91 84 79 72 70 72 Dewpt 48 47 48 49 52 55 57 57 58 58 58 58 59 59 58 57 58 59 59 58 58 RH 72 60 69 72 70 48 36 36 49 52 63 68 64 41 34 32 41 50 64 66 61 Wind dir SE SE SE S SW SW SW SW SW SW W W W W SW S S S S S S Wind spd 6 5 3 2 2 3 6 6 5 3 4 3 3 5 4 6 5 4 3 3 4 Clouds OV B2 B2 B1 SC FW SC SC SC SC FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 10 20 5 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Heat index 85 84 Max heat 86 88 81 89 91 82 Date 04/30 Wed 05/01/24 Thu 05/02/24 Fri 05/03/24 Sat 05/04/24 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 91 68 84 62 83 64 85 66 83 Temp 89 77 71 69 82 76 65 65 81 75 66 67 83 75 68 68 79 73 Dewpt 57 58 59 58 53 54 53 53 53 52 53 55 56 57 57 56 55 54 PWind dir S W N E SE S S SW NW Wind char LT GN GN LT GN GN GN GN GN Avg clouds SC B1 B2 B1 SC FW FW SC SC FW SC SC B1 B1 B1 B1 B2 B1 PoP 12hr 30 40 20 5 10 10 30 40 40 Rain shwrs C C S S S C C S S C Tstms C C S S S S S $$ WVZ052-280800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 736 PM EDT Sat Apr 27 2024 Date 04/27/24 Sun 04/28/24 Mon 04/29/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 49 83 57 85 60 Temp 55 56 54 51 55 71 81 83 77 67 62 58 62 77 83 85 80 70 65 61 64 Dewpt 51 49 48 49 52 56 57 56 57 56 56 55 58 58 57 57 58 58 57 56 58 RH 86 77 80 93 90 59 44 40 50 68 81 90 87 52 41 39 47 66 75 84 81 Wind dir SE SE S W SW SW SW SW SW SW W W SW W W S S S S SW SW Wind spd 6 4 3 2 1 4 8 8 5 4 3 2 2 5 5 6 4 3 3 2 2 Clouds B2 B2 B2 B1 B1 FW SC SC SC FW FW FW FW CL SC SC FW SC SC SC SC PoP 12hr 20 20 5 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S Obvis PF PF PF Heat index 81 81 Max heat 81 82 82 84 Date 04/30 Wed 05/01/24 Thu 05/02/24 Fri 05/03/24 Sat 05/04/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 58 79 55 81 57 81 58 77 Temp 82 73 62 62 77 74 59 59 78 75 61 60 78 75 62 60 73 70 Dewpt 57 57 56 57 51 52 51 53 52 52 52 55 57 58 57 56 54 52 PWind dir SW W NW SW S SE S SW NW Wind char LT LT GN LT GN GN GN LT GN Avg clouds SC B2 B2 B1 FW FW FW SC SC SC SC SC B1 B1 B1 B2 B1 B1 PoP 12hr 60 30 20 5 20 10 50 40 40 Rain shwrs S L C S S S C C S C C Tstms C C C C S S $$ VAZ506-280800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 736 PM EDT Sat Apr 27 2024 Date 04/27/24 Sun 04/28/24 Mon 04/29/24 Tue 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 53 85 62 89 64 Temp 58 58 56 54 59 74 83 85 78 71 66 62 65 81 87 88 82 74 69 65 67 Dewpt 52 50 51 52 54 58 59 59 59 59 58 58 60 60 59 59 61 60 59 59 59 RH 80 75 83 93 83 57 44 41 52 66 75 87 84 49 39 38 49 62 70 81 75 Wind dir S S S S SW SW SW SW S SW SW W W W W SW S S S SW SW Wind spd 5 5 5 3 3 4 5 8 5 5 3 2 3 4 4 6 5 5 5 4 4 Clouds OV B2 B2 B1 SC FW SC SC SC FW FW FW FW FW FW SC SC FW FW SC SC PoP 12hr 20 20 5 5 5 QPF 12hr 0 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Heat index 83 85 82 83 Max heat 83 85 86 88 81 Date 04/30 Wed 05/01/24 Thu 05/02/24 Fri 05/03/24 Sat 05/04/24 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 87 63 81 57 83 60 84 62 79 Temp 85 76 65 65 79 76 61 61 81 76 62 62 81 77 64 63 75 72 Dewpt 59 60 61 60 54 56 54 55 54 55 54 56 57 60 60 58 56 56 PWind dir SW NW NW SE SE S S SW NW Wind char LT GN GN LT GN GN GN GN GN Avg clouds SC B1 B2 B1 FW FW FW SC SC SC SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 40 40 20 5 10 10 40 40 40 Rain shwrs C C S C C S S C Tstms C C S C S S $$ VAZ037-280800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 736 PM EDT Sat Apr 27 2024 Date 04/27/24 Sun 04/28/24 Mon 04/29/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 56 86 62 90 63 Temp 62 62 59 58 62 77 84 84 78 72 66 63 67 82 88 89 82 75 68 64 68 Dewpt 52 50 51 50 52 56 56 55 54 55 55 54 56 58 56 55 56 55 55 53 55 RH 70 65 75 75 70 48 38 37 43 55 68 72 68 44 34 32 41 50 63 67 63 Wind dir NE SW SW SW S SW S S S SW SW SW SW SW S S S S SW SW SW Wind spd 4 3 4 4 4 5 8 9 6 5 4 4 3 3 5 8 6 5 5 4 4 Clouds B2 B2 B2 B1 SC FW FW FW FW FW FW CL CL CL FW FW CL CL FW FW FW PoP 12hr 5 20 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Heat index 82 82 Max heat 83 84 86 88 80 Date 04/30 Wed 05/01/24 Thu 05/02/24 Fri 05/03/24 Sat 05/04/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 63 86 60 86 62 87 65 83 Temp 86 77 66 67 84 78 64 65 84 79 66 66 83 79 68 67 78 76 Dewpt 55 55 56 56 51 51 50 52 51 53 54 54 56 56 57 56 56 54 PWind dir SW W N NW S S S SW SW Wind char LT LT LT LT GN LT GN LT GN Avg clouds SC B1 B1 SC FW FW FW FW SC SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 40 20 20 5 20 10 40 40 40 Rain shwrs C S S S C C S S C Tstms C S S C S S $$ MDZ003-280800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 736 PM EDT Sat Apr 27 2024 Date 04/27/24 Sun 04/28/24 Mon 04/29/24 Tue 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 51 84 59 87 63 Temp 56 56 54 53 56 71 81 83 77 68 62 59 63 77 85 86 80 72 67 63 66 Dewpt 52 50 50 50 53 58 59 59 59 59 58 57 60 61 60 59 60 60 60 59 61 RH 86 80 86 89 90 63 47 44 54 73 87 93 90 58 43 40 51 66 78 87 84 Wind dir S S S S S SW W SW S SW SW S SW W W SW S SE S S SW Wind spd 9 6 4 3 2 5 8 8 5 4 3 3 2 5 5 6 4 5 4 3 3 Clouds B2 B2 B1 B1 B1 FW SC SC SC FW FW FW FW CL FW SC FW SC SC SC SC PoP 12hr 10 20 5 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S Obvis PF PF PF Heat index 81 83 85 81 Max heat 81 83 85 86 Date 04/30 Wed 05/01/24 Thu 05/02/24 Fri 05/03/24 Sat 05/04/24 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 85 60 79 57 81 58 81 60 77 Temp 83 73 63 62 77 73 60 60 79 74 61 61 78 74 62 62 72 70 Dewpt 59 59 58 58 54 54 52 54 54 54 54 56 58 60 58 57 56 54 PWind dir SW W NW SW S SE S SW W Wind char LT LT GN LT GN GN GN GN GN Avg clouds SC B2 B2 B1 FW FW FW SC SC SC SC SC B1 B1 B1 B2 B2 B1 PoP 12hr 60 40 20 5 20 20 50 40 40 Rain shwrs S L C S S S S C C C C C Tstms C C S C S S $$ MDZ017-280800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 736 PM EDT Sat Apr 27 2024 Date 04/27/24 Sun 04/28/24 Mon 04/29/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 55 80 64 82 63 Temp 59 57 57 57 61 71 78 78 71 68 66 64 66 77 81 79 71 68 65 63 65 Dewpt 49 49 50 51 54 57 58 58 58 58 56 56 57 60 60 59 59 58 57 56 57 RH 69 75 77 80 78 61 50 50 63 70 70 75 73 56 49 50 66 70 75 78 75 Wind dir SE S S SW SW W S S S SW SW W W W S S S S SW SW SW Wind spd 11 9 8 9 9 8 6 8 5 8 9 8 6 4 6 8 6 6 6 8 8 Clouds SC B2 B2 B1 B1 FW FW SC FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Heat index 82 Max heat 82 82 Date 04/30 Wed 05/01/24 Thu 05/02/24 Fri 05/03/24 Sat 05/04/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 63 77 57 74 59 78 63 77 Temp 80 72 65 65 76 68 59 60 72 67 60 62 76 71 65 65 75 66 Dewpt 58 58 58 59 57 56 54 54 56 55 54 56 58 58 57 57 57 57 PWind dir S W N SE SE S S S S Wind char GN GN GN GN GN GN GN GN GN Avg clouds FW SC B1 B1 SC SC FW SC SC FW FW SC SC SC B1 B1 B1 B1 PoP 12hr 10 30 20 5 5 10 20 40 30 Rain shwrs C S S S C S S C Tstms C S S S S S $$ WVZ502-280800- Petersburg WV 38.99N 79.15W Elev. 963 ft 736 PM EDT Sat Apr 27 2024 Date 04/27/24 Sun 04/28/24 Mon 04/29/24 Tue 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 56 84 59 88 62 Temp 61 63 61 58 61 75 82 84 77 67 62 59 62 77 85 87 81 70 66 62 64 Dewpt 54 53 52 51 53 56 57 57 58 57 55 54 56 58 58 58 60 58 57 56 57 RH 78 70 72 77 75 52 43 40 52 70 78 83 81 52 40 38 49 66 73 81 78 Wind dir S S S S S W W W W SW SW SW S W SW SW S SW SW SW SW Wind spd 2 3 4 4 3 5 5 5 3 3 3 3 3 3 3 4 3 2 2 2 2 Clouds OV B2 SC B1 FW FW FW SC FW FW FW CL CL FW SC SC SC FW FW SC SC PoP 12hr 30 20 5 10 5 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Tstms S S S Heat index 82 82 Max heat 82 83 84 86 Date 04/30 Wed 05/01/24 Thu 05/02/24 Fri 05/03/24 Sat 05/04/24 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 58 81 56 85 60 83 60 80 Temp 81 72 61 60 79 74 60 60 81 77 63 62 80 75 63 62 75 73 Dewpt 57 59 57 56 51 54 51 53 54 57 55 56 59 60 58 57 56 54 PWind dir W W NW W S S SW SW W Wind char LT LT GN LT GN LT GN LT GN Avg clouds B1 B2 B2 SC FW FW FW FW FW SC SC SC SC B1 B1 B1 B1 SC PoP 12hr 70 20 20 5 20 20 50 40 50 Rain shwrs S L S S S S C C C S C C Tstms S C S S S C C S S $$ MDZ014-280800- Annapolis MD 38.99N 76.49W Elev. 7 ft 736 PM EDT Sat Apr 27 2024 Date 04/27/24 Sun 04/28/24 Mon 04/29/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 55 79 64 83 64 Temp 58 58 56 57 61 69 74 77 75 70 67 65 67 77 81 82 76 71 67 65 67 Dewpt 48 49 50 51 54 57 59 59 59 60 59 59 59 60 61 60 60 60 60 59 58 RH 69 72 80 80 78 66 59 54 58 71 75 81 75 56 51 47 58 68 78 81 73 Wind dir SE S S S SW SW S S S SW SW W W SW S S S S S S S Wind spd 11 9 6 5 4 4 8 9 6 5 5 4 4 4 8 8 6 5 4 5 4 Clouds B2 B2 B2 B1 SC FW SC SC FW FW FW CL FW FW FW SC FW SC FW FW SC PoP 12hr 20 10 5 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Heat index 82 82 Max heat 82 83 Date 04/30 Wed 05/01/24 Thu 05/02/24 Fri 05/03/24 Sat 05/04/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 63 76 58 75 59 78 62 76 Temp 78 73 65 65 74 72 61 61 72 69 61 63 74 71 64 64 72 70 Dewpt 60 59 60 59 57 56 56 54 56 55 55 56 59 59 59 58 58 57 PWind dir S W N SE SE S S SW W Wind char LT GN GN LT GN GN GN GN GN Avg clouds SC B1 B2 B1 SC FW FW SC SC FW SC SC SC B1 B1 B1 B2 B1 PoP 12hr 30 40 20 5 5 10 30 40 30 Rain shwrs C C S S S C C S S C Tstms C C S S S S S $$
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