Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
444 FOUS51 KLWX 130933 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 533 AM EDT Thu Jun 13 2024 VAZ054-132000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 533 AM EDT Thu Jun 13 2024 Date Thu 06/13/24 Fri 06/14/24 Sat 06/15/24 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 90 71 93 69 87 Temp 71 82 87 89 83 78 74 72 75 85 91 92 83 76 72 71 72 80 85 87 81 Dewpt 64 64 62 63 65 62 62 62 63 63 60 62 66 66 64 62 61 58 54 54 56 RH 79 55 43 42 55 58 66 71 66 48 36 37 57 71 76 73 68 47 35 32 42 Wind dir S S S S S S S S S S S SW NW N N N N N N N N Wind spd 5 8 10 10 10 8 8 6 8 6 8 9 9 9 9 9 11 11 11 10 9 Clouds SC SC B1 B1 B1 SC FW FW FW FW SC B1 B2 B1 B1 SC FW FW FW FW FW PoP 12hr 20 20 30 30 0 QPF 12hr 0 0 0.05 0.06 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C S Tstms S C Heat index 83 87 90 85 86 91 93 85 81 81 Max heat 87 90 83 91 93 82 83 85 Date Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 87 71 93 76 95 76 95 Temp 69 68 86 83 72 73 91 87 78 78 94 89 79 79 94 88 Dewpt 56 56 54 55 60 63 65 66 66 67 67 67 68 68 67 67 PWind dir NE SE S S S S S S Wind char LT LT GN GN LT LT LT LT Avg clouds FW FW FW SC FW SC FW SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 5 5 10 10 10 10 $$ MDZ013-132000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 533 AM EDT Thu Jun 13 2024 Date Thu 06/13/24 Fri 06/14/24 Sat 06/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 68 94 66 87 Temp 67 81 85 88 81 76 71 69 73 85 92 92 81 72 69 67 69 79 84 87 78 Dewpt 63 64 63 65 63 61 62 61 63 63 60 63 66 65 62 61 61 58 55 54 55 RH 87 56 48 47 54 60 73 76 71 48 34 38 60 79 78 81 76 49 37 32 45 Wind dir S S S S S S S S SW SW S S N N N N N N N N N Wind spd 3 6 10 11 10 6 5 5 6 5 6 8 9 8 8 8 10 11 11 10 6 Clouds SC SC B2 B2 B1 SC SC FW FW SC SC B1 B2 B1 B1 SC FW FW FW FW FW PoP 12hr 20 20 30 40 0 QPF 12hr 0.03 0 0.18 0.09 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C Tstms C C Heat index 83 86 90 82 86 92 93 83 Max heat 86 90 92 95 83 85 Date Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 86 68 92 72 93 72 93 Temp 67 66 83 81 69 73 91 85 74 77 92 86 73 77 93 86 Dewpt 54 54 54 56 62 65 66 66 67 68 68 68 68 68 67 67 PWind dir NE E S S S S S SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC SC SC SC FW FW FW SC SC SC SC PoP 12hr 0 0 5 5 10 10 10 10 $$ MDZ011-132000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 533 AM EDT Thu Jun 13 2024 Date Thu 06/13/24 Fri 06/14/24 Sat 06/15/24 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 90 73 94 70 89 Temp 69 83 88 90 82 79 75 74 77 87 92 93 82 76 73 72 73 81 86 89 81 Dewpt 63 64 63 64 63 62 62 62 62 62 60 63 65 65 62 61 60 57 54 53 53 RH 81 53 43 42 53 56 64 66 60 43 34 37 56 69 68 68 64 44 34 29 38 Wind dir S S S S S S S S SW S S SW N N N NW NW N N N N Wind spd 3 6 10 11 9 6 5 4 5 5 6 6 9 6 8 8 10 11 11 10 6 Clouds FW SC B1 B2 B2 B1 SC FW FW SC SC B1 B2 B1 B1 SC FW CL FW FW FW PoP 12hr 20 20 40 50 0 QPF 12hr 0.03 0 0.11 0.07 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C Tstms C C Heat index 84 89 91 83 87 92 94 84 81 Max heat 89 91 82 92 94 84 87 Date Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 89 72 94 77 96 78 96 Temp 73 70 87 84 75 73 93 87 80 78 95 90 82 79 96 90 Dewpt 53 53 51 53 60 62 63 65 66 65 66 66 67 67 65 66 PWind dir N SE S S S S S S Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC FW FW SC SC SC SC SC FW FW FW SC SC FW FW PoP 12hr 0 0 5 5 10 10 10 10 $$ WVZ052-132000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 533 AM EDT Thu Jun 13 2024 Date Thu 06/13/24 Fri 06/14/24 Sat 06/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 63 90 61 84 Temp 61 78 85 88 81 74 68 65 68 83 88 87 77 70 66 63 65 76 81 84 77 Dewpt 60 63 60 61 65 64 62 59 62 64 61 63 64 61 59 58 59 57 55 54 56 RH 97 60 43 40 58 71 81 81 81 53 40 45 64 73 78 84 81 52 41 36 48 Wind dir SW S S S S S S SW SW SW W W N NW NW NW NW N N N NE Wind spd 1 4 6 8 5 4 3 2 1 4 6 6 9 6 5 5 6 9 9 8 4 Clouds FW FW SC B1 B1 SC FW FW SC SC B1 B1 B1 SC SC FW CL FW CL CL CL PoP 12hr 20 20 40 30 0 QPF 12hr 0 0 0.14 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C Tstms C C C Obvis PF Heat index 85 88 83 84 88 88 81 Max heat 85 88 88 90 81 83 Date Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 84 63 91 68 92 68 92 Temp 61 60 81 78 66 70 89 85 73 74 91 84 70 74 91 85 Dewpt 54 54 54 56 56 60 64 65 66 67 65 67 66 67 65 66 PWind dir NE SE SE S S SE SE SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC FW SC SC SC SC SC SC SC FW FW PoP 12hr 0 0 5 10 10 10 10 10 $$ VAZ506-132000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 533 AM EDT Thu Jun 13 2024 Date Thu 06/13/24 Fri 06/14/24 Sat 06/15/24 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 67 93 64 86 Temp 67 81 86 89 82 76 71 69 72 85 91 91 80 72 68 66 68 78 83 85 78 Dewpt 64 64 62 63 65 66 63 62 63 64 61 64 66 66 63 61 61 59 56 55 57 RH 90 56 45 42 56 71 76 78 73 50 37 41 62 81 84 84 78 52 40 36 48 Wind dir S S S S S S S S S SW W W N N N N N N N N N Wind spd 4 6 9 10 8 6 8 5 5 4 5 8 9 8 8 6 8 10 11 9 6 Clouds SC SC B1 B1 B1 B1 SC FW FW FW SC B1 B1 B1 SC SC FW CL FW FW CL PoP 12hr 20 20 30 30 0 QPF 12hr 0.01 0.02 0.25 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C S Tstms S C C Heat index 83 86 90 84 86 91 93 82 Max heat 86 90 82 91 94 82 84 Date Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 87 67 94 72 95 73 95 Temp 64 65 85 83 69 73 93 88 75 77 93 87 75 77 94 88 Dewpt 55 55 57 59 59 64 67 68 67 68 69 69 68 68 68 69 PWind dir NE SE S S S S S S Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC FW SC FW SC SC SC SC SC SC SC FW SC PoP 12hr 0 0 5 10 10 10 10 10 $$ VAZ037-132000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 533 AM EDT Thu Jun 13 2024 Date Thu 06/13/24 Fri 06/14/24 Sat 06/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 67 96 66 88 Temp 67 81 87 90 82 76 71 68 72 86 94 94 83 76 72 68 70 79 85 88 79 Dewpt 63 64 62 63 64 65 63 62 64 64 62 65 67 65 62 61 61 58 56 56 58 RH 87 56 43 41 55 69 76 81 76 48 35 39 59 69 71 78 73 49 37 34 49 Wind dir SW S S S S SW S S S S S SW NW N N N N N N NE NE Wind spd 2 5 9 9 5 3 3 3 3 3 4 5 4 5 4 4 4 5 6 5 5 Clouds SC SC B1 B1 B1 B1 FW CL FW CL SC B1 B1 B1 SC FW CL CL CL CL CL PoP 12hr 20 20 20 20 0 QPF 12hr 0.01 0 0.08 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Tstms S S Obvis PF Heat index 83 87 91 83 87 95 97 86 Max heat 87 91 82 95 98 82 84 86 Date Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 89 67 95 72 95 72 95 Temp 66 66 86 83 70 70 94 90 75 74 94 88 76 75 95 89 Dewpt 56 57 57 59 60 62 65 65 64 65 64 65 65 66 65 65 PWind dir NE SE S S S S S S Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC FW SC FW SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 5 10 5 20 10 20 Rain shwrs S S Tstms S $$ MDZ003-132000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 533 AM EDT Thu Jun 13 2024 Date Thu 06/13/24 Fri 06/14/24 Sat 06/15/24 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 66 90 62 84 Temp 63 78 85 89 83 76 71 68 71 83 88 87 76 69 66 64 65 74 81 84 77 Dewpt 61 64 60 60 64 65 64 62 63 63 61 65 63 61 59 57 59 57 54 53 55 RH 93 62 43 38 53 69 79 81 76 51 40 48 64 76 78 78 81 55 39 34 47 Wind dir S S S S S S S S S SW W NW N N N N NW N N N N Wind spd 3 5 8 8 6 6 5 3 3 5 6 8 9 4 4 4 6 9 10 9 5 Clouds SC SC SC B1 B1 SC FW SC SC SC B1 B1 B1 SC SC FW FW CL CL FW CL PoP 12hr 20 20 50 30 0 QPF 12hr 0 0 0.35 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C S Tstms C C C Heat index 85 89 84 84 88 89 81 Max heat 85 89 82 88 91 81 83 Date Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 85 65 92 70 93 71 94 Temp 62 62 83 81 67 70 89 87 72 75 92 85 73 76 93 88 Dewpt 53 54 57 59 57 62 67 67 67 68 68 68 68 69 67 67 PWind dir NE SE SE S SE S S S Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC SC SC SC FW SC SC SC SC FW FW PoP 12hr 0 0 5 10 10 10 10 10 $$ MDZ017-132000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 533 AM EDT Thu Jun 13 2024 Date Thu 06/13/24 Fri 06/14/24 Sat 06/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 71 92 70 86 Temp 70 82 85 87 79 76 73 72 75 84 90 90 81 74 72 71 72 79 83 86 78 Dewpt 65 66 67 64 63 64 64 64 66 66 67 66 65 68 66 64 64 61 59 59 60 RH 84 58 55 46 58 66 73 76 74 55 47 45 58 82 81 79 76 54 44 40 54 Wind dir S S SE S S S S S S S SE SE S W N N N N N N NE Wind spd 6 8 12 13 12 10 8 6 8 8 10 11 9 5 9 12 13 13 12 10 8 Clouds SC B1 B1 SC SC SC FW SC FW FW SC SC B1 B1 B1 B1 SC FW FW CL FW PoP 12hr 5 10 20 30 0 QPF 12hr 0 0 0.04 0.19 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C Tstms S C S Heat index 84 88 88 86 93 93 83 83 Max heat 88 89 93 96 83 85 Date Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 86 70 90 73 91 73 91 Temp 70 70 85 79 71 75 89 82 75 78 90 83 75 78 91 84 Dewpt 60 59 55 59 63 65 66 67 66 67 68 68 67 68 68 67 PWind dir NE E S S S S S S Wind char LT LT LT GN LT GN LT LT Avg clouds FW FW FW SC FW SC FW SC FW FW SC FW FW FW FW FW PoP 12hr 0 0 0 5 10 5 10 5 $$ WVZ502-132000- Petersburg WV 38.99N 79.15W Elev. 963 ft 533 AM EDT Thu Jun 13 2024 Date Thu 06/13/24 Fri 06/14/24 Sat 06/15/24 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 91 61 91 59 85 Temp 61 80 87 91 80 71 64 62 67 83 89 88 78 70 65 61 63 75 82 85 75 Dewpt 56 58 56 58 63 61 58 56 60 60 61 62 64 63 59 56 58 56 54 54 57 RH 84 47 35 33 56 71 81 81 78 46 39 42 62 78 81 84 84 52 38 35 54 Wind dir SW S SW W SW S S S S W W W NW N NW NW N N N N N Wind spd 1 2 4 5 3 2 2 2 3 4 4 6 5 2 2 2 2 4 5 5 3 Clouds FW FW SC SC SC FW FW FW SC SC B1 B1 B1 SC SC SC FW CL CL CL FW PoP 12hr 20 10 30 20 0 QPF 12hr 0 0 0.04 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C S Tstms S C S Obvis PF Heat index 81 81 83 89 88 Max heat 86 90 89 91 81 83 Date Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 89 65 96 68 94 68 95 Temp 60 61 87 81 69 72 94 86 71 73 94 85 72 73 95 85 Dewpt 55 56 59 62 61 64 66 69 66 68 66 69 66 68 65 69 PWind dir W SE S SW SW SE SW SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC FW FW SC FW SC SC SC SC SC SC SC FW SC PoP 12hr 0 5 5 20 10 20 10 20 Rain shwrs S S S Tstms S S $$ MDZ014-132000- Annapolis MD 38.99N 76.49W Elev. 7 ft 533 AM EDT Thu Jun 13 2024 Date Thu 06/13/24 Fri 06/14/24 Sat 06/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 71 89 70 85 Temp 70 80 83 85 79 76 74 72 75 82 87 88 81 74 72 71 72 78 82 85 79 Dewpt 64 66 66 64 64 64 63 62 63 66 66 66 67 68 64 63 62 60 58 58 58 RH 81 62 57 50 60 66 69 71 66 58 50 48 63 82 76 76 71 54 44 40 49 Wind dir S S S S S S S S S S S S S N N N N N N N N Wind spd 5 8 12 14 13 10 8 8 8 8 11 11 8 8 9 9 10 11 11 9 6 Clouds FW SC B1 B1 SC SC SC FW FW FW SC SC B2 B1 B1 SC FW CL FW FW FW PoP 12hr 20 10 30 40 0 QPF 12hr 0 0 0.05 0.21 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C Tstms C C Heat index 82 85 86 84 89 90 83 82 Max heat 85 87 89 92 82 84 Date Sun 06/16/24 Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 83 70 87 75 89 75 89 Temp 70 68 80 79 70 73 86 82 76 77 88 84 76 77 88 84 Dewpt 58 57 57 59 64 65 67 67 68 68 70 69 68 68 70 69 PWind dir NE E S S S S S S Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW FW FW SC SC FW SC FW FW FW FW FW FW FW FW PoP 12hr 0 0 5 5 10 10 10 10 $$