Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
259 FOUS51 KLWX 251136 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 736 AM EDT Tue Jun 25 2024 VAZ054-252000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 736 AM EDT Tue Jun 25 2024 Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 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 92 77 98 74 88 Temp 75 85 90 92 87 80 79 78 80 92 98 92 85 79 77 74 75 80 85 88 84 Dewpt 55 55 55 57 59 63 64 66 67 67 68 69 70 70 70 69 68 65 63 62 62 RH 50 36 31 31 39 56 60 67 65 44 38 47 61 74 79 84 79 60 48 42 48 Wind dir NW SW SW SW S S S S SW SW SW W S SW W W NW N N N N Wind spd 3 5 9 10 10 9 9 9 8 8 9 10 9 9 8 8 9 8 6 8 6 Clouds CL FW FW SC SC SC SC SC SC SC B1 B2 OV OV OV B2 B1 SC SC FW FW PoP 12hr 0 5 50 60 10 QPF 12hr 0 0 0.29 0.35 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C Tstms C C C C S S Heat index 81 82 96104 97 90 82 86 88 85 Max heat 88 91 85 82 104 102 87 86 88 Date Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 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 89 75 92 80 94 73 86 Temp 74 72 86 83 77 77 89 87 82 81 93 87 78 74 83 81 Dewpt 62 60 64 63 68 71 73 73 74 74 73 70 67 62 58 58 PWind dir NE E SE S S W NW N Wind char LT GN GN GN GN GN GN GN Avg clouds FW FW SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC FW FW PoP 12hr 0 5 20 30 40 50 40 10 Rain shwrs S S C C C S C C Tstms S C C C C C $$ MDZ013-252000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 736 AM EDT Tue Jun 25 2024 Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 75 99 71 88 Temp 73 85 91 93 87 79 76 75 79 93 99 91 83 76 72 71 72 80 86 88 83 Dewpt 55 55 54 55 58 62 64 65 67 68 68 69 70 70 70 68 67 65 64 62 62 RH 53 36 29 28 38 56 66 71 67 44 37 49 65 82 93 90 84 60 48 42 49 Wind dir NW SW SW SW S S SW SW SW SW SW SW S SW W W N N N N N Wind spd 3 5 8 9 10 8 8 8 6 8 8 9 6 6 6 5 6 8 6 5 5 Clouds CL FW FW SC SC SC SC SC SC SC B1 B2 B2 B2 OV B2 B1 SC SC FW FW PoP 12hr 0 5 50 60 10 QPF 12hr 0 0 0.38 0.35 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C Tstms C C C C S S Heat index 97105 96 87 82 87 88 84 Max heat 89 91 82 105 104 83 87 88 Date Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 88 71 91 76 94 69 86 Temp 71 72 85 81 72 75 88 84 78 80 92 86 75 72 83 79 Dewpt 62 60 63 64 67 71 73 74 74 76 75 71 66 62 59 58 PWind dir N E SE S S SW NW N Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW SC SC B1 B2 B1 B1 B1 B2 B1 B1 SC SC FW FW PoP 12hr 0 5 20 30 40 50 30 10 Rain shwrs S C C C C C C Tstms S C C C S C C $$ MDZ011-252000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 736 AM EDT Tue Jun 25 2024 Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 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 93 78 99 73 89 Temp 75 87 91 93 87 83 79 78 79 94 99 93 85 81 77 75 74 83 87 89 84 Dewpt 53 53 52 54 57 62 63 65 66 67 68 68 69 70 70 68 66 64 62 60 60 RH 46 31 27 27 36 49 58 64 64 41 37 44 59 69 79 79 76 53 43 38 44 Wind dir NW SW SW SW S S SW SW SW SW SW SW S SW W W N N N N N Wind spd 3 5 8 9 9 6 6 6 6 6 8 8 6 8 6 5 6 8 6 6 5 Clouds CL FW FW FW SC SC SC SC SC SC B1 B1 B2 OV OV B2 B1 SC FW FW FW PoP 12hr 0 5 50 60 10 QPF 12hr 0 0 0.44 0.32 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C Tstms C C C C S S Heat index 84 98105 97 89 85 84 87 89 84 Max heat 88 91 85 105 104 87 87 89 Date Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 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 71 90 76 94 80 97 73 89 Temp 76 72 87 84 77 76 89 86 83 81 93 87 80 74 85 82 Dewpt 60 57 62 61 66 69 72 72 73 73 73 68 65 60 57 56 PWind dir N E SE S S SW NW N Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW FW SC B1 B2 B1 B1 B1 B1 B1 SC SC FW FW FW PoP 12hr 0 5 20 30 40 50 30 10 Rain shwrs S S C C C C C C Tstms S S C C C S C C $$ WVZ052-252000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 736 AM EDT Tue Jun 25 2024 Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 68 93 67 86 Temp 66 81 88 91 86 75 71 68 76 88 93 87 81 73 68 67 71 77 84 85 81 Dewpt 55 56 56 56 59 61 63 63 66 68 67 67 68 67 67 65 65 62 60 58 60 RH 68 42 34 31 40 62 76 84 71 52 43 52 65 81 97 93 81 60 44 40 49 Wind dir SW S SW SW S SW SW SW SW W SW SW SW SW W NW NW N N N N Wind spd 1 5 8 9 5 4 4 4 3 8 10 9 6 5 6 5 6 8 6 6 5 Clouds CL CL FW SC SC SC SC B1 B1 B1 B1 B2 B2 OV OV B2 SC FW FW FW FW PoP 12hr 5 20 60 80 10 QPF 12hr 0 0 0.46 0.20 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S L L D D C C Tstms S S C C C C S S Heat index 81 92 97 90 84 84 82 Max heat 86 89 81 97 97 84 85 Date Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 86 68 89 72 90 64 82 Temp 64 67 82 80 70 73 85 83 75 78 88 83 69 69 79 76 Dewpt 58 56 62 61 64 68 71 70 71 71 70 66 63 58 56 56 PWind dir N SE SE S SW W NW N Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW FW SC B1 B1 B1 B1 B1 B1 B1 SC SC FW FW FW PoP 12hr 0 5 20 40 40 50 20 10 Rain shwrs S S C C C C C S Tstms S S C C C S C S $$ VAZ506-252000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 736 AM EDT Tue Jun 25 2024 Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 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 92 73 98 70 88 Temp 70 84 90 92 87 80 77 73 78 92 98 90 83 75 72 70 72 80 86 87 84 Dewpt 55 57 57 59 60 62 63 64 66 68 69 70 70 70 70 68 68 66 64 62 62 RH 59 40 33 33 40 54 62 73 67 46 39 52 65 84 93 93 87 62 48 43 48 Wind dir NW SW SW SW S S S S SW SW SW SW SW SW W NW NW N N N N Wind spd 3 4 8 10 9 8 6 6 6 6 9 9 6 6 5 5 6 8 6 6 5 Clouds CL FW FW SC SC SC SC SC SC SC B1 B2 B2 OV OV B2 B1 SC SC FW FW PoP 12hr 5 5 60 60 10 QPF 12hr 0 0 0.41 0.27 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L L C C Tstms C C C C S S Heat index 87 81 96104 96 87 82 87 87 85 Max heat 89 92 84 104 103 83 87 88 Date Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 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 88 70 92 75 93 68 84 Temp 68 69 86 82 73 75 89 87 79 80 92 86 74 71 82 79 Dewpt 61 61 66 64 67 72 75 74 74 76 75 72 66 62 60 58 PWind dir N SE SE S S W NW N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC B1 B1 B1 B1 B1 B1 B1 SC SC FW FW FW PoP 12hr 0 5 20 40 40 50 30 10 Rain shwrs S S C C S C C C Tstms S C C S C C $$ VAZ037-252000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 736 AM EDT Tue Jun 25 2024 Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 71 98 71 90 Temp 70 84 90 92 86 78 75 71 75 91 98 90 85 78 74 72 73 84 88 90 84 Dewpt 56 56 58 59 61 61 62 63 65 67 66 68 67 68 67 67 68 66 64 64 63 RH 61 38 34 33 43 56 64 76 71 45 35 49 55 71 79 84 84 55 45 42 49 Wind dir NW S SW S S SW S S SW SW S W SW SW SW NW N N NE NE NE Wind spd 1 4 8 9 6 5 5 5 4 4 8 9 5 5 4 2 3 4 4 5 5 Clouds CL FW FW SC FW FW FW SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 SC SC SC PoP 12hr 0 5 40 40 20 QPF 12hr 0 0 0.18 0.20 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C S S S S Tstms C C C C S S S S S Heat index 86 94102 94 88 86 89 91 85 Max heat 89 92 83 102 101 85 89 91 Date Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 91 72 94 76 95 70 89 Temp 72 71 87 84 75 74 90 87 80 78 93 87 76 73 86 83 Dewpt 62 61 66 64 66 69 72 71 71 72 71 70 68 64 59 58 PWind dir NE E SE S SW SW NW NE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC FW PoP 12hr 5 10 30 40 20 60 30 20 Rain shwrs C S C S S C L C S S Tstms C S C S S C C $$ MDZ003-252000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 736 AM EDT Tue Jun 25 2024 Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 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 90 70 93 67 85 Temp 69 81 87 90 86 76 73 70 77 87 93 88 80 74 71 67 70 77 83 85 81 Dewpt 54 57 56 57 60 63 64 63 67 69 68 68 68 68 68 65 65 63 61 58 60 RH 59 44 35 33 42 64 73 78 71 55 44 52 67 82 90 93 84 62 47 40 49 Wind dir S SW SW SW S S SW S S W SW SW SW S W NW N N NW NW N Wind spd 2 5 8 8 6 4 4 4 3 5 9 9 6 5 6 5 5 8 6 6 4 Clouds CL CL FW SC SC SC B1 SC B1 B1 B1 B2 B2 OV OV B2 SC FW FW FW FW PoP 12hr 5 10 60 70 5 QPF 12hr 0 0 0.59 0.21 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L L L S S Tstms S C C C C C S Heat index 81 86 91 97 92 83 83 82 Max heat 86 89 83 97 97 83 85 Date Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 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 61 87 69 90 73 92 64 82 Temp 64 67 84 81 72 73 86 85 78 78 90 84 70 68 80 77 Dewpt 58 58 63 62 65 70 73 72 73 74 72 68 64 59 57 56 PWind dir N SE SE S S W NW N Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW FW SC B1 B2 B2 B1 B1 B1 B1 SC FW FW FW FW PoP 12hr 0 5 20 40 40 40 20 5 Rain shwrs S S C C C C C S Tstms S S C C C S C S $$ MDZ017-252000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 736 AM EDT Tue Jun 25 2024 Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 76 98 74 89 Temp 77 86 91 90 86 81 78 76 82 92 98 95 85 80 76 74 79 85 87 89 85 Dewpt 58 59 59 62 65 65 66 67 70 71 72 72 72 71 70 70 71 69 67 66 67 RH 52 40 34 39 50 58 67 74 67 51 43 48 65 74 82 87 77 59 52 47 55 Wind dir NW SE S S S S SW SW SW SW S S SW SW SW W NW N N N NE Wind spd 4 3 6 11 12 11 12 11 11 8 9 12 9 9 8 6 6 10 9 8 5 Clouds FW CL FW FW SC SC SC SC SC SC SC B1 B2 B2 B2 B2 B2 B1 SC FW FW PoP 12hr 0 5 30 50 20 QPF 12hr 0 0 0.11 0.44 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C S S S S Tstms S C C C S S S S S S Heat index 90 88 83 86 99107104 91 83 89 90 92 88 Max heat 90 91 85 86 107 107 87 90 92 Date Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 88 74 91 77 94 72 86 Temp 74 77 86 81 75 80 88 84 79 82 92 84 77 77 84 80 Dewpt 66 65 66 67 70 73 74 74 73 75 75 75 71 67 63 62 PWind dir NE E SE S S SW W N Wind char LT GN LT GN GN GN LT GN Avg clouds FW FW FW SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC FW PoP 12hr 5 5 20 30 30 60 50 20 Rain shwrs S S C C C S L C C S S Tstms S S C C C S C C C $$ WVZ502-252000- Petersburg WV 38.99N 79.15W Elev. 963 ft 736 AM EDT Tue Jun 25 2024 Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 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 92 67 94 64 85 Temp 65 80 88 92 83 71 69 67 72 87 93 91 81 72 67 64 67 76 83 84 77 Dewpt 55 57 57 59 63 63 62 63 66 67 67 67 68 68 66 64 64 64 61 59 62 RH 70 45 35 33 51 76 78 87 81 52 43 45 65 87 97100 90 66 47 43 60 Wind dir S S W W E SW S SW SW W W W SW W W W NW N N N N Wind spd 2 5 6 8 4 3 4 4 4 6 6 9 6 3 3 2 1 3 4 4 4 Clouds CL FW FW FW SC SC SC SC B1 B1 B2 B1 B2 OV OV B1 SC SC FW FW FW PoP 12hr 5 20 60 80 10 QPF 12hr 0 0 0.23 0.18 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C L D D C C Tstms S S C C C C S S Heat index 80 84 90 97 94 84 83 84 Max heat 87 91 97 98 83 85 Date Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 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 89 68 91 70 92 61 85 Temp 61 64 86 81 70 73 88 84 74 74 89 82 67 66 82 76 Dewpt 60 60 66 65 66 69 73 73 72 72 72 69 65 61 59 60 PWind dir N SE S SW SW W NW N Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC FW FW PoP 12hr 0 10 20 50 40 60 30 10 Rain shwrs S S S C C C C L C Tstms S S S C C C S C C $$ MDZ014-252000- Annapolis MD 38.99N 76.49W Elev. 7 ft 736 AM EDT Tue Jun 25 2024 Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 76 94 72 87 Temp 76 85 89 91 85 79 78 76 81 93 94 91 82 76 73 72 73 80 85 87 83 Dewpt 58 57 59 61 64 66 65 66 68 70 71 72 72 72 71 69 68 66 65 65 66 RH 54 39 37 37 50 64 64 71 65 47 47 54 72 87 93 90 84 62 51 48 57 Wind dir NW S S S S S S SW SW SW S S S SW SW W NW N N N NE Wind spd 3 4 10 11 13 10 10 10 9 8 9 10 9 9 6 6 6 9 8 8 6 Clouds CL FW FW FW FW SC SC SC B1 SC SC B1 B2 OV B2 B2 B1 SC FW FW FW PoP 12hr 0 5 50 50 10 QPF 12hr 0 0 0.29 0.42 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C Tstms C C C C S S Heat index 91 86 84 99101 99 87 82 87 89 85 Max heat 88 92 86 84 101 102 84 87 89 Date Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 86 74 89 79 91 73 84 Temp 73 74 83 81 75 77 86 84 81 81 88 84 78 74 81 79 Dewpt 65 61 66 66 69 71 75 75 75 74 75 73 68 63 62 61 PWind dir NE E SE S S SW NW N Wind char LT GN LT GN GN GN LT GN Avg clouds FW FW FW SC SC B1 B1 B1 B1 B1 B1 B1 SC SC FW FW PoP 12hr 0 5 20 30 40 50 40 10 Rain shwrs S S C C C S C C Tstms S S C C C S C C $$