Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
670 FOUS51 KLWX 122037 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 437 PM EDT Wed Jun 12 2024 VAZ054-130800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 437 PM EDT Wed Jun 12 2024 Date 06/12/24 Thu 06/13/24 Fri 06/14/24 Sat 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 89 72 93 70 Temp 82 80 73 70 68 72 82 87 87 83 78 74 72 75 85 91 91 84 79 74 70 73 Dewpt 55 57 59 60 61 62 64 64 64 64 62 63 63 64 65 63 63 64 65 64 62 60 RH 40 45 62 71 78 71 55 46 46 53 58 69 73 69 51 40 40 51 62 71 76 64 Wind dir S S S S S S S S S S S S S SW SW SW SW NW NW N N N Wind spd 6 5 5 4 4 6 9 10 11 12 11 10 10 8 6 5 9 8 6 8 9 9 Clouds SC SC SC SC SC FW SC FW FW SC FW FW CL FW FW FW SC SC SC FW FW CL PoP 12hr 5 5 10 30 30 QPF 12hr 0 0 0 0.01 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms S C C Heat index 80 83 88 88 84 87 92 92 85 Max heat 82 88 90 82 92 93 83 Date 06/15 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 66 88 71 95 76 96 76 95 Temp 85 82 69 70 85 82 73 75 91 88 78 79 94 89 78 78 93 88 Dewpt 54 54 53 54 55 57 60 63 65 65 66 67 67 68 66 66 65 64 PWind dir N NE SE S S S S S S Wind char GN LT LT GN GN LT LT LT LT Avg clouds CL FW FW SC FW FW FW SC FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 5 5 10 10 20 Rain shwrs S Tstms S $$ MDZ013-130800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 437 PM EDT Wed Jun 12 2024 Date 06/12/24 Thu 06/13/24 Fri 06/14/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 89 69 92 67 Temp 82 78 70 67 65 70 82 87 85 80 75 71 69 73 84 90 90 82 76 70 67 70 Dewpt 52 55 59 60 61 63 65 65 65 64 63 63 62 64 66 64 64 66 66 65 62 61 RH 35 45 68 78 87 78 56 48 51 58 66 76 78 73 55 42 42 58 71 84 84 73 Wind dir S S S SW SW SW S S S S S S S SW SW SW SW NW NW N N N Wind spd 5 3 2 2 2 2 5 9 10 9 6 5 6 5 5 6 8 5 4 5 5 6 Clouds SC FW FW FW FW FW FW FW SC FW FW FW CL FW FW FW SC B1 SC FW CL CL PoP 12hr 5 5 5 40 40 QPF 12hr 0 0 0 0.03 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms C C C Heat index 84 89 87 82 86 91 91 84 Max heat 81 89 90 91 93 82 Date 06/15 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 63 86 68 93 73 95 73 94 Temp 84 80 66 67 83 80 69 72 90 86 74 76 93 87 75 76 93 85 Dewpt 55 54 54 54 55 56 62 64 65 66 66 68 69 68 67 68 66 65 PWind dir N NE SE S S S S S S Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL FW FW SC SC FW FW SC FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 5 10 10 10 20 Rain shwrs S Tstms S $$ MDZ011-130800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 437 PM EDT Wed Jun 12 2024 Date 06/12/24 Thu 06/13/24 Fri 06/14/24 Sat 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 92 75 95 72 Temp 81 79 74 71 70 74 85 90 91 84 80 76 75 77 87 93 92 83 80 74 72 74 Dewpt 52 54 57 59 60 62 62 62 62 62 62 63 62 63 64 62 62 64 65 63 60 59 RH 37 42 55 66 71 66 46 39 38 48 54 64 64 62 46 36 37 53 60 69 66 59 Wind dir SW SE S S SW S S S S S S S S SW SW SW SW NW NW N N N Wind spd 5 3 2 2 1 1 4 9 10 9 6 5 5 4 5 8 8 5 4 5 5 6 Clouds SC FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW SC B1 SC FW FW CL PoP 12hr 5 5 5 40 40 QPF 12hr 0 0 0 0.05 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms C C C Heat index 86 90 92 85 81 88 94 93 84 82 Max heat 81 90 92 84 94 94 84 Date 06/15 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 68 88 73 96 78 98 78 96 Temp 87 82 70 71 86 81 74 76 93 87 80 80 96 89 80 81 94 88 Dewpt 52 52 52 52 52 55 61 62 63 64 66 66 66 66 66 66 64 64 PWind dir N NE SE S S S S S S Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL CL FW SC SC FW FW SC FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 5 10 10 10 20 Rain shwrs S Tstms S $$ WVZ052-130800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 437 PM EDT Wed Jun 12 2024 Date 06/12/24 Thu 06/13/24 Fri 06/14/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 56 87 62 89 60 Temp 79 76 65 61 58 62 78 85 87 82 73 67 63 68 82 87 85 79 71 66 61 66 Dewpt 49 53 54 55 55 58 62 61 60 62 61 61 60 62 62 61 61 62 61 59 57 57 RH 35 45 68 81 90 87 58 45 40 51 66 81 90 81 51 42 45 56 71 78 87 73 Wind dir SW E S SW N N S S S S S S SW SW W W W NW NW NW NW N Wind spd 4 2 1 1 0 0 2 5 5 5 4 3 3 2 4 5 8 6 5 5 5 5 Clouds FW CL FW SC SC SC FW FW FW SC FW FW FW FW FW SC SC SC FW FW CL CL PoP 12hr 5 10 10 40 10 QPF 12hr 0 0 0 0.06 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms C C Heat index 85 87 83 83 87 85 Max heat 85 87 87 87 Date 06/15 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 56 84 63 93 69 94 69 92 Temp 81 77 60 62 82 80 67 69 91 88 72 74 92 88 73 74 92 86 Dewpt 52 53 52 52 55 57 58 62 64 64 65 67 65 66 65 67 64 64 PWind dir N NE SE SE S S S S S Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL FW FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 10 5 20 10 20 Rain shwrs S S Tstms S S $$ VAZ506-130800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 437 PM EDT Wed Jun 12 2024 Date 06/12/24 Thu 06/13/24 Fri 06/14/24 Sat 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 63 89 68 93 65 Temp 82 79 70 67 65 69 81 87 87 82 76 71 68 72 85 91 90 82 75 69 65 69 Dewpt 55 55 59 61 61 64 67 66 66 66 64 63 63 65 67 64 65 66 66 64 62 62 RH 40 44 68 81 87 84 63 50 50 58 66 76 84 79 55 41 44 58 74 84 90 78 Wind dir SW S SE S S S S S S S S S S SW SW SW W NW NW N N N Wind spd 4 3 2 2 2 2 4 6 8 6 5 5 5 4 4 4 5 5 5 5 5 5 Clouds SC FW FW SC FW SC FW FW SC FW FW FW CL FW FW FW SC SC SC FW CL CL PoP 12hr 5 10 20 40 30 QPF 12hr 0 0 0 0.04 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C Tstms C C C Heat index 83 89 89 84 88 93 92 84 Max heat 82 89 92 82 93 94 82 Date 06/15 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 84 60 87 67 95 72 96 72 95 Temp 82 79 64 66 84 82 69 71 92 88 74 76 94 90 75 76 93 89 Dewpt 56 56 54 54 57 59 59 63 68 67 66 69 69 69 66 67 66 67 PWind dir N NE SE S S S S S S Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 5 5 10 10 20 Rain shwrs S Tstms S $$ VAZ037-130800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 437 PM EDT Wed Jun 12 2024 Date 06/12/24 Thu 06/13/24 Fri 06/14/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 89 67 94 67 Temp 82 78 71 68 64 69 82 87 89 84 77 71 68 73 86 92 92 84 77 71 68 71 Dewpt 59 61 60 60 60 62 64 63 63 62 63 63 61 63 64 62 63 64 64 62 60 61 RH 46 56 68 76 87 78 55 45 42 48 62 76 78 71 48 37 38 51 64 73 76 71 Wind dir S SE N E N SW S S S S S S SW SW SW SW W NW NW N N N Wind spd 6 3 1 1 0 1 4 8 9 6 5 4 4 2 4 4 5 5 4 5 5 5 Clouds SC FW SC SC SC SC FW SC SC SC FW FW FW FW FW FW SC SC FW FW FW CL PoP 12hr 20 10 20 20 10 QPF 12hr 0 0 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Tstms S S S Heat index 82 83 88 90 85 87 93 93 85 Max heat 82 88 90 82 93 94 83 Date 06/15 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 62 88 68 95 72 96 71 95 Temp 87 82 66 68 86 83 70 73 93 88 75 76 94 89 74 76 93 88 Dewpt 55 54 54 55 58 59 59 63 65 65 64 66 66 66 63 65 63 64 PWind dir N NE SE S S S S S S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC FW SC FW SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 10 5 20 10 20 Rain shwrs S S Tstms S S $$ MDZ003-130800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 437 PM EDT Wed Jun 12 2024 Date 06/12/24 Thu 06/13/24 Fri 06/14/24 Sat 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 58 88 65 90 61 Temp 80 76 65 62 59 66 79 86 87 83 74 68 65 70 83 89 86 79 71 66 62 66 Dewpt 49 51 54 55 56 61 64 64 62 64 64 63 62 64 65 63 63 64 63 61 58 59 RH 34 42 68 78 90 84 60 48 43 53 71 84 90 81 55 42 46 60 76 84 87 78 Wind dir W SE SE S SE SE S S S S S S S S W W W NW NW N N N Wind spd 5 2 2 2 1 1 3 5 5 5 5 4 4 2 5 6 6 5 5 4 4 5 Clouds FW CL FW FW FW SC FW FW CL FW FW CL FW FW FW SC SC SC FW FW CL CL PoP 12hr 5 5 10 50 5 QPF 12hr 0 0 0 0.06 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms C C Heat index 87 87 84 85 90 87 Max heat 87 88 90 90 Date 06/15 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 57 86 65 94 71 96 71 95 Temp 81 77 61 63 83 80 67 70 92 88 73 76 94 89 75 76 94 87 Dewpt 54 54 52 52 56 59 59 63 67 67 66 69 69 68 67 68 66 67 PWind dir N NE SE SE S S S S S Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL CL FW SC FW FW FW FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 10 5 20 10 20 Rain shwrs S S Tstms S S $$ MDZ017-130800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 437 PM EDT Wed Jun 12 2024 Date 06/12/24 Thu 06/13/24 Fri 06/14/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 86 72 91 70 Temp 78 74 70 69 68 73 82 84 85 80 76 74 72 75 84 89 88 81 77 72 70 73 Dewpt 60 61 62 63 63 64 65 65 64 63 64 63 63 64 66 67 67 68 67 66 65 64 RH 54 64 76 81 84 73 56 53 50 56 66 69 73 69 55 48 50 65 71 81 84 73 Wind dir SE S S S S S S SE S S S S S S S S S S E NW N N Wind spd 8 6 5 5 4 4 6 11 13 12 10 9 9 6 8 10 10 8 5 5 9 10 Clouds SC FW FW SC SC SC SC SC SC FW FW FW FW FW CL FW FW SC SC SC FW FW PoP 12hr 5 5 0 20 30 QPF 12hr 0 0 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C Tstms S C S Heat index 84 86 86 81 86 92 91 84 Max heat 86 86 92 92 Date 06/15 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 67 85 70 90 73 91 73 90 Temp 83 80 70 71 83 79 72 74 88 83 75 76 90 82 75 76 89 82 Dewpt 59 59 59 59 57 60 63 64 66 67 66 66 68 68 66 67 67 67 PWind dir N NE E S S S S S S Wind char GN LT LT LT GN GN GN LT GN Avg clouds CL FW FW FW FW FW FW SC FW SC SC SC FW SC SC SC SC SC PoP 12hr 0 0 0 0 5 5 10 10 10 $$ WVZ502-130800- Petersburg WV 38.99N 79.15W Elev. 963 ft 437 PM EDT Wed Jun 12 2024 Date 06/12/24 Thu 06/13/24 Fri 06/14/24 Sat 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 90 61 90 58 Temp 80 76 65 59 57 61 79 88 88 79 70 64 61 67 83 88 87 79 69 63 58 62 Dewpt 51 57 57 56 54 59 61 58 59 63 61 59 57 61 62 61 63 64 64 61 57 58 RH 36 52 75 90 90 93 54 36 38 58 73 84 87 81 49 40 45 60 84 93 96 87 Wind dir N N NW S SW S S SW W W W SW SW SW W W W NW NW NW NW N Wind spd 3 2 2 1 1 1 1 3 4 3 2 2 3 2 3 5 6 5 3 2 2 2 Clouds FW FW FW SC SC SC FW FW FW FW FW CL FW FW FW SC SC FW SC FW FW FW PoP 12hr 5 10 10 30 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms C C Heat index 80 84 88 88 Max heat 80 87 88 88 89 Date 06/15 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 56 89 65 96 69 95 68 95 Temp 82 77 59 62 87 82 68 70 95 85 71 73 94 85 71 73 93 86 Dewpt 52 56 54 55 60 62 61 64 65 69 66 68 66 69 65 66 64 67 PWind dir N SE SE S SW SW S SW S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 20 5 20 10 30 Rain shwrs S S C Tstms S S C $$ MDZ014-130800- Annapolis MD 38.99N 76.49W Elev. 7 ft 437 PM EDT Wed Jun 12 2024 Date 06/12/24 Thu 06/13/24 Fri 06/14/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 84 71 88 70 Temp 77 76 71 70 69 72 79 82 82 80 76 73 71 75 82 86 86 81 76 72 70 72 Dewpt 58 61 62 63 63 64 66 66 65 64 65 65 64 65 66 68 67 67 68 66 63 62 RH 52 60 73 78 81 76 64 58 56 58 69 76 79 71 58 55 53 63 76 81 78 71 Wind dir S S S S SW S S S S S S S S S S S S SW NW N N N Wind spd 6 5 3 2 2 3 6 11 12 11 10 9 8 6 8 10 9 5 5 5 8 9 Clouds SC FW FW FW FW FW FW SC FW FW FW FW FW FW CL FW SC SC SC FW FW CL PoP 12hr 5 5 5 30 40 QPF 12hr 0 0 0 0.04 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms S C C Heat index 84 84 82 84 89 89 83 Max heat 84 84 89 89 Date 06/15 Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 67 83 71 88 74 91 75 89 Temp 82 79 69 69 80 78 72 74 85 82 76 76 88 84 76 77 87 83 Dewpt 58 58 57 56 57 60 64 65 67 67 68 68 69 69 68 68 68 67 PWind dir N NE SE S S S S S S Wind char GN LT LT LT GN LT GN LT LT Avg clouds CL CL FW FW FW FW FW SC FW FW FW SC FW SC SC SC SC SC PoP 12hr 0 0 0 0 5 10 10 10 20 Rain shwrs S Tstms S $$