Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
378 FOUS51 KLWX 230238 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1037 PM EDT Sat Jun 22 2024 VAZ054-230800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1037 PM EDT Sat Jun 22 2024 Date 06/22/24 Sun 06/23/24 Mon 06/24/24 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 84 99 77 92 71 Temp 89 86 84 87 94 99 99 89 84 80 77 79 87 90 92 87 79 74 71 75 Dewpt 67 68 69 70 70 69 68 69 70 72 71 69 64 63 61 59 61 61 61 59 RH 48 55 61 57 46 38 37 52 63 77 82 72 46 41 36 39 54 64 71 58 Wind dir S S S SW SW SW SW SW SW SW W NW NW NW NW N N N N N Wind spd 8 9 9 11 12 14 13 12 9 8 8 10 12 12 13 12 9 8 6 6 Clouds SC SC FW SC SC B1 B2 B2 B2 B1 SC FW FW FW FW FW FW FW CL CL PoP 12hr 10 20 60 30 5 QPF 12hr 0 0.06 0.02 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L C C C C S S Tstms S S L L C S S S Heat index 92 89 88 92100106105 94 88 84 88 91 92 Max heat 93 92 106 106 94 91 93 84 Date 06/25 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 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 93 75 98 78 92 72 91 74 93 Temp 89 87 78 78 95 89 82 79 88 85 76 75 87 84 76 76 89 85 Dewpt 56 59 62 65 66 67 69 70 68 66 65 62 62 63 66 67 66 66 PWind dir SW S S SW NW N E SE SE Wind char LT GN GN GN LT LT GN LT GN Avg clouds CL FW FW SC SC SC B1 B2 B1 B1 SC FW FW FW FW SC SC SC PoP 12hr 0 5 30 50 40 10 10 10 20 Rain shwrs C C C C C S Tstms C C C S C S $$ MDZ013-230800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1037 PM EDT Sat Jun 22 2024 Date 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 100 74 90 68 Temp 85 81 80 85 96100100 89 81 77 74 76 84 90 89 84 77 71 68 73 Dewpt 71 68 69 70 72 70 70 70 72 72 70 70 64 63 60 59 60 61 60 60 RH 63 65 69 61 46 38 38 54 74 85 87 82 51 41 38 43 56 71 76 64 Wind dir S S SW SW SW SW SW SW SW SW W NW NW NW NW N N N N N Wind spd 5 5 8 10 11 13 10 9 9 9 8 6 11 11 12 9 6 5 5 4 Clouds SC SC SC SC SC B1 B2 B2 B2 B1 SC FW FW FW FW FW FW FW CL CL PoP 12hr 10 20 60 30 5 QPF 12hr 0 0.16 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S L L C C C C S S Tstms S S S L L C S S S Heat index 90 84 83 90105108108 94 85 85 91 89 84 Max heat 93 90 109 108 91 91 90 82 Heat Y Y Y Date 06/25 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 92 72 97 74 90 68 89 70 91 Temp 89 85 74 76 95 87 77 78 87 83 73 72 86 83 72 74 87 83 Dewpt 58 59 63 66 69 70 70 71 70 67 65 63 63 63 66 68 68 67 PWind dir SW S S SW NW N E SE SE Wind char LT LT GN LT LT LT LT LT GN Avg clouds FW FW SC SC SC SC B2 B2 B2 B1 SC FW FW FW SC SC SC SC PoP 12hr 0 5 20 50 30 10 10 5 10 Rain shwrs S C C C C Tstms S C C S C $$ MDZ011-230800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1037 PM EDT Sat Jun 22 2024 Date 06/22/24 Sun 06/23/24 Mon 06/24/24 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 83 102 78 91 71 Temp 89 84 83 88 98102102 91 85 80 78 79 87 90 90 84 80 74 71 75 Dewpt 71 68 69 68 69 68 67 69 70 70 69 67 63 62 59 59 60 61 60 57 RH 56 59 63 52 39 34 32 49 61 72 74 67 45 39 35 43 51 64 68 54 Wind dir S S SW SW SW SW SW SW SW W W NW NW NW NW N N N N N Wind spd 5 4 6 9 11 12 10 9 9 9 8 10 11 11 12 9 6 5 5 4 Clouds SC SC SC SC SC B1 B2 B2 B1 B1 SC FW FW FW FW FW FW FW CL CL PoP 12hr 20 20 60 30 5 QPF 12hr 0 0.18 0.02 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S L L C C C C S S Tstms S S S L L C S S S Heat index 95 87 87 92104109108 96 90 83 88 90 84 81 Max heat 97 92 109 108 94 91 92 83 Heat Y Y Y Date 06/25 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 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 92 77 98 79 91 73 90 75 92 Temp 91 87 79 79 96 89 82 80 90 86 78 75 88 85 76 76 89 85 Dewpt 56 57 62 64 66 67 70 68 67 65 64 61 61 61 65 66 66 66 PWind dir SW S S SW NW N E SE SE Wind char LT LT GN LT LT LT LT LT GN Avg clouds CL FW SC SC SC SC B2 B2 B1 B1 SC FW FW FW SC SC SC SC PoP 12hr 0 5 30 50 30 10 10 5 10 Rain shwrs C C C C C Tstms C C C S C $$ WVZ052-230800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1037 PM EDT Sat Jun 22 2024 Date 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 95 69 86 62 Temp 81 78 75 81 92 95 95 85 78 74 69 74 81 86 85 81 71 66 62 69 Dewpt 68 68 66 68 68 66 65 66 67 68 66 65 62 60 58 59 58 59 59 57 RH 65 71 74 65 46 39 37 53 69 82 90 74 53 42 40 47 63 78 90 66 Wind dir SW S S SW SW SW W W W W W NW NW NW NW NW NW NW NW NW Wind spd 2 3 4 6 12 12 13 9 6 6 6 8 12 13 12 10 6 4 3 3 Clouds B1 SC SC B1 B1 B1 B2 B1 SC SC FW FW FW FW FW FW FW CL CL CL PoP 12hr 30 50 30 20 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C S S S S Tstms S C C C C S Heat index 84 84 96 98 98 87 82 86 81 Max heat 85 84 99 98 86 86 85 Date 06/25 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 65 94 68 87 62 87 65 90 Temp 86 83 70 74 91 85 72 74 83 81 67 69 83 82 68 71 86 83 Dewpt 55 57 59 62 63 66 68 68 64 62 61 59 60 61 62 64 65 65 PWind dir SW S SW W NW N NE SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL FW SC SC SC B1 B2 B2 B1 SC FW FW FW FW SC SC SC SC PoP 12hr 0 5 40 50 30 10 10 5 20 Rain shwrs C C C C C S Tstms C C C S C S $$ VAZ506-230800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1037 PM EDT Sat Jun 22 2024 Date 06/22/24 Sun 06/23/24 Mon 06/24/24 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 79 99 72 89 65 Temp 85 82 79 84 95 99 99 88 80 75 72 75 85 88 89 83 74 70 65 71 Dewpt 68 67 68 70 72 71 70 71 72 72 71 70 64 63 61 60 61 60 60 60 RH 57 61 69 63 48 41 39 57 77 90 97 84 50 43 39 46 64 71 84 68 Wind dir S S S SW SW SW SW SW SW SW W NW NW NW NW NW NW N N NW Wind spd 4 8 8 9 11 13 11 9 8 6 6 6 11 12 12 10 6 5 4 4 Clouds SC SC FW SC SC B1 B1 B2 B2 B1 SC FW FW FW FW FW FW CL CL CL PoP 12hr 20 30 50 20 0 QPF 12hr 0 0.09 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S S S S S Tstms C C C C S S S Heat index 88 85 88104108107 94 84 86 89 89 83 Max heat 92 88 108 108 89 89 89 81 Heat Y Y Y Date 06/25 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 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 70 98 72 90 67 90 69 93 Temp 88 85 73 76 95 88 76 77 86 83 72 72 87 84 72 74 88 85 Dewpt 58 61 62 66 67 69 70 71 71 68 65 63 64 65 65 68 69 68 PWind dir W S S SW NW N E SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL FW FW SC SC SC B1 B2 B1 B1 SC FW FW FW FW SC SC SC PoP 12hr 0 5 30 50 40 10 10 5 20 Rain shwrs C C C C C S Tstms C C C S C S $$ VAZ037-230800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1037 PM EDT Sat Jun 22 2024 Date 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 99 74 93 65 Temp 83 80 77 83 95 99 99 89 82 77 74 77 88 92 92 85 75 69 65 70 Dewpt 63 65 66 68 69 66 67 66 67 67 67 67 64 62 60 60 60 59 59 58 RH 51 60 69 61 43 34 36 47 61 71 79 71 45 37 34 43 60 70 81 66 Wind dir S S S SW SW SW SW SW SW SW W W NW NW N N N NW NW N Wind spd 5 6 6 8 10 11 10 8 6 5 4 4 9 9 9 8 5 4 3 3 Clouds FW FW FW SC SC B1 B1 B1 B1 SC FW FW FW FW FW FW CL CL CL CL PoP 12hr 10 20 30 20 0 QPF 12hr 0 0.02 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S S S S Tstms S S C C S S S Heat index 84 82 86101103104 92 85 89 93 92 85 Max heat 86 86 103 104 90 93 94 82 Heat Y Y Y Date 06/25 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 93 70 99 73 92 69 92 70 94 Temp 90 86 74 75 96 89 79 77 88 84 74 73 88 84 74 73 90 86 Dewpt 56 59 60 63 64 65 66 68 67 66 64 63 62 64 64 66 67 66 PWind dir SE S SW SW N N E E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL FW FW SC SC SC B1 B1 B1 B1 SC FW FW FW FW SC SC SC PoP 12hr 0 5 30 40 40 20 10 10 20 Rain shwrs C C C C C S S Tstms C C C S C S S $$ MDZ003-230800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1037 PM EDT Sat Jun 22 2024 Date 06/22/24 Sun 06/23/24 Mon 06/24/24 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 76 97 70 86 62 Temp 83 78 76 81 93 97 97 87 78 75 70 74 80 85 85 81 71 66 62 69 Dewpt 71 70 69 70 71 69 67 68 70 71 68 67 62 61 58 59 59 59 59 59 RH 67 76 79 69 49 40 38 53 76 87 93 79 54 45 40 47 66 78 90 70 Wind dir SE S S S SW SW SW SW W W W NW NW NW NW NW NW N N NW Wind spd 2 3 4 5 12 13 13 9 6 6 6 6 12 12 11 9 5 4 3 3 Clouds B1 SC SC B1 B1 B1 B2 B1 SC B1 FW FW FW FW FW FW CL CL CL CL PoP 12hr 20 60 30 20 0 QPF 12hr 0 0.02 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L L C C S S S S Tstms S L L C C S Heat index 88 85100103101 91 81 85 81 Max heat 90 85 104 103 85 85 86 Heat Y Y Y Date 06/25 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 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 90 68 96 70 89 63 88 67 92 Temp 86 84 72 75 94 86 74 74 84 82 69 70 85 83 71 73 88 84 Dewpt 57 60 60 64 66 68 70 70 66 64 61 61 61 62 62 66 67 66 PWind dir SW S SW W NW N E SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL FW SC SC SC B1 B2 B2 B1 SC FW FW FW FW FW SC SC SC PoP 12hr 0 5 40 50 20 5 5 5 20 Rain shwrs C C C S S S Tstms C C C S S S $$ MDZ017-230800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1037 PM EDT Sat Jun 22 2024 Date 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 102 76 89 71 Temp 85 83 81 83 96102102 91 82 78 76 79 85 88 89 82 78 74 71 77 Dewpt 71 70 70 73 73 71 70 71 71 72 71 73 70 68 67 66 65 64 63 62 RH 63 65 69 72 48 37 36 52 69 82 85 82 61 52 48 58 64 71 76 60 Wind dir S S SW SW SW SW SW SW SW SW SW W NW NW N N N N N N Wind spd 9 10 10 12 13 14 16 11 10 10 10 8 10 10 9 9 8 8 6 6 Clouds FW FW FW FW FW SC B1 B2 B1 B1 B1 SC FW SC FW FW FW FW CL CL PoP 12hr 0 20 70 40 5 QPF 12hr 0 0.01 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L C C C C C C Tstms S S L L C C C C Heat index 90 87 85 89106111110 98 86 90 92 92 84 Max heat 92 89 111 111 90 92 92 83 Heat Y Y Y Date 06/25 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 73 94 76 90 72 89 72 89 Temp 86 82 75 79 92 85 78 80 87 83 75 77 86 81 74 78 87 82 Dewpt 60 63 64 68 71 72 70 73 72 70 69 67 67 67 68 70 69 69 PWind dir E S S S W NW NE SE SE Wind char LT GN GN GN LT LT GN LT GN Avg clouds CL FW FW FW SC SC SC B1 B1 B1 SC SC FW FW FW SC SC SC PoP 12hr 0 5 20 40 40 20 10 10 10 Rain shwrs S C C C C S Tstms S C C S C S $$ WVZ502-230800- Petersburg WV 38.99N 79.15W Elev. 963 ft 1037 PM EDT Sat Jun 22 2024 Date 06/22/24 Sun 06/23/24 Mon 06/24/24 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 71 92 67 85 58 Temp 77 73 71 77 89 92 92 80 74 71 68 69 79 84 85 77 66 62 58 65 Dewpt 70 68 65 68 69 66 66 67 69 69 66 65 62 59 60 60 59 58 58 59 RH 79 84 81 74 52 43 43 65 84 93 93 87 56 43 43 56 78 87100 81 Wind dir SW S S E W W SW SW W W W NW NW NW NW NW NW W W W Wind spd 2 3 3 4 10 12 10 6 5 4 3 4 9 10 11 6 3 3 2 2 Clouds SC FW SC SC B1 B1 B1 B1 B1 SC SC SC FW FW FW FW FW CL CL CL PoP 12hr 30 40 20 20 5 QPF 12hr 0 0.01 0.04 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S S S S S Tstms S C C S Heat index 94 95 95 82 84 85 Max heat 83 96 95 84 85 Date 06/25 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 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 65 96 67 88 60 90 65 93 Temp 87 82 68 71 93 83 71 71 84 79 65 66 86 81 68 70 89 83 Dewpt 57 62 59 62 66 69 67 68 67 64 62 62 62 64 63 65 67 68 PWind dir SW SW W W NW NW E S S Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL FW SC SC SC B1 B2 B2 B1 SC FW FW FW FW SC SC SC SC PoP 12hr 0 10 50 60 40 10 10 5 20 Rain shwrs C L C C C S Tstms C C S S C S $$ MDZ014-230800- Annapolis MD 38.99N 76.49W Elev. 7 ft 1037 PM EDT Sat Jun 22 2024 Date 06/22/24 Sun 06/23/24 Mon 06/24/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 98 76 89 72 Temp 82 81 81 84 92 98 98 89 83 79 76 79 85 87 89 84 79 75 72 78 Dewpt 73 70 70 71 72 71 71 71 72 72 71 70 66 64 64 63 63 62 62 61 RH 74 69 69 65 52 42 42 56 70 79 85 74 53 46 44 49 58 64 71 56 Wind dir S S SW SW SW SW SW SW SW SW W NW NW NW NW N N N N N Wind spd 10 8 9 10 12 13 11 11 9 8 8 6 11 12 11 10 6 6 6 6 Clouds SC FW FW SC SC B2 B2 B2 B2 B2 SC FW FW FW FW FW FW CL CL CL PoP 12hr 10 20 70 30 5 QPF 12hr 0 0.07 0.04 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L C C C C C C Tstms S S L L C S S S Heat index 87 85 85 89100106106 95 88 87 88 90 85 Max heat 90 89 106 106 94 89 90 83 Heat Y Y Y Date 06/25 Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 75 93 77 89 72 87 73 88 Temp 85 84 77 78 90 85 79 79 85 83 76 75 83 81 74 76 84 81 Dewpt 60 63 66 67 71 72 71 71 71 69 67 65 65 66 68 68 69 69 PWind dir SE S S SW W N NE SE SE Wind char LT GN GN GN LT LT GN LT GN Avg clouds CL FW FW SC SC SC B1 B2 B2 B1 SC FW FW FW FW SC SC SC PoP 12hr 0 5 20 50 40 10 10 10 10 Rain shwrs S C C C C Tstms S C C S C $$