Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
841 FOUS51 KLWX 260537 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 137 AM EDT Wed Jun 26 2024 VAZ054-262000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 137 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 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 99 76 90 72 87 Temp 79 80 91 96 91 86 81 78 76 76 81 86 88 86 79 76 73 73 80 84 85 82 Dewpt 63 67 67 67 69 70 71 71 70 69 66 64 63 62 63 63 60 59 59 61 62 63 RH 58 65 45 39 49 59 72 79 82 79 60 48 43 45 58 64 64 62 49 46 46 53 Wind dir S SW SW SW SW S SW W W NW N N NW N N N NE NE E E SE SE Wind spd 9 8 8 10 10 10 10 8 8 9 9 6 8 8 5 5 6 9 9 9 11 12 Clouds SC SC FW SC B1 B1 B2 B2 OV B2 SC FW FW FW FW FW FW FW FW SC SC B1 PoP 12hr 60 70 10 0 5 QPF 12hr 0.33 0.45 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L L C C C Tstms C C L C C S C Heat index 82 94100 96 91 85 83 87 89 86 81 84 86 83 Max heat 82 100 102 88 87 89 85 84 86 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 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 76 91 81 94 70 84 68 87 Temp 76 77 90 89 84 82 94 87 78 71 82 80 70 70 86 83 Dewpt 69 72 74 75 75 75 74 71 64 58 56 56 58 60 59 60 PWind dir SE S S W NW N NE SE Wind char GN GN GN GN GN GN LT LT Avg clouds B1 B2 B2 B1 B1 B1 B2 B1 SC FW CL FW FW FW FW SC PoP 12hr 40 50 40 60 30 5 0 5 Rain shwrs C C C C C S C L C Tstms C C C C C S S C C $$ MDZ013-262000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 137 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 98 71 90 68 86 Temp 77 80 90 95 94 84 77 74 73 73 81 86 88 84 76 72 69 71 78 83 84 79 Dewpt 62 68 70 69 70 71 72 71 70 70 67 65 64 64 64 62 58 57 58 59 62 62 RH 60 67 52 43 46 65 85 90 90 90 63 50 45 51 66 71 68 61 50 44 48 56 Wind dir SW SW W SW SW S SW W W NW N N NW N N N NE NE E E SE SE Wind spd 8 6 8 9 10 9 9 6 6 8 8 6 8 6 5 5 8 5 5 6 9 9 Clouds SC SC SC SC B1 B1 OV OV B2 B2 SC SC FW FW FW SC SC SC FW SC SC B2 PoP 12hr 60 80 5 0 5 QPF 12hr 0.39 0.65 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D D C C C Tstms C C L C C S S Heat index 83 96101100 89 83 88 89 85 83 85 Max heat 83 101 102 87 88 89 83 83 85 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 89 77 93 65 83 64 85 Temp 72 76 89 87 79 80 93 85 71 67 82 79 68 69 84 80 Dewpt 67 72 75 75 75 76 76 73 63 59 57 56 58 60 59 60 PWind dir SE S S W NW N NE SE Wind char LT GN LT LT LT LT LT LT Avg clouds B2 OV B2 B2 B2 B2 B2 B1 SC FW CL FW FW FW FW SC PoP 12hr 40 50 40 60 30 5 0 0 Rain shwrs C C C C C C C L C Tstms S C C C C C S C C $$ MDZ011-262000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 137 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 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 99 76 92 73 89 Temp 81 82 92 96 95 86 82 79 77 76 84 87 90 86 81 77 73 73 81 84 87 82 Dewpt 62 65 67 67 68 70 71 70 69 67 64 63 61 61 61 60 58 55 56 58 59 60 RH 53 56 44 39 42 59 69 74 76 74 51 45 38 43 51 56 59 53 42 41 39 47 Wind dir SW SW W SW S S SW W NW N N NW NW N N N NE NE E SE SE SE Wind spd 6 6 6 9 10 9 10 6 6 8 8 6 8 6 5 6 8 5 5 6 9 8 Clouds SC FW SC SC SC B1 OV OV OV B2 SC FW FW FW FW SC SC SC FW SC SC B1 PoP 12hr 50 70 5 0 5 QPF 12hr 0.40 0.67 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C C Tstms C C L C C S S Heat index 82 84 96100100 91 86 85 88 90 86 82 81 84 82 Max heat 84 101 101 90 88 90 84 84 86 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 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 76 92 81 95 70 86 69 88 Temp 76 76 89 89 84 82 95 90 78 70 84 81 72 71 86 83 Dewpt 66 69 73 73 75 74 73 70 62 57 55 55 57 58 58 59 PWind dir SE S S W NW N NE SE Wind char LT GN LT LT LT LT LT LT Avg clouds B2 OV B2 B2 B2 B1 B2 B1 SC FW CL FW FW FW FW SC PoP 12hr 40 60 40 60 30 5 0 0 Rain shwrs C C C L C C C L C Tstms S C C C C C S C C $$ WVZ052-262000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 137 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 66 86 60 83 Temp 69 76 85 91 87 80 73 70 68 71 77 83 84 80 70 65 61 67 74 81 82 79 Dewpt 59 64 67 66 66 67 68 67 65 65 63 60 58 59 60 58 55 55 56 58 59 61 RH 70 66 55 44 50 65 84 90 90 81 62 46 41 49 71 78 81 65 53 46 46 54 Wind dir SW SW W SW SW SW W W NW NW N NW NW N N N N NE E SE SE SE Wind spd 4 4 8 9 10 8 8 6 6 8 8 9 9 6 4 4 4 3 5 8 11 10 Clouds SC SC SC SC SC B1 OV OV B2 B1 FW FW FW FW FW FW SC FW SC SC B1 B2 PoP 12hr 50 60 5 0 5 QPF 12hr 0.43 0.24 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L L C C C Tstms S C C L C C C Heat index 88 94 89 82 83 84 81 81 82 Max heat 94 93 83 84 81 82 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 86 73 89 60 80 58 84 Temp 70 73 83 84 77 79 89 83 66 66 78 75 61 66 82 80 Dewpt 65 68 72 70 72 72 70 64 59 55 53 54 54 55 57 58 PWind dir SE S SW W NW N NE SE Wind char GN GN LT GN GN LT LT LT Avg clouds B2 B2 B2 B2 B1 B1 B1 SC FW FW FW FW FW FW FW SC PoP 12hr 50 60 50 40 10 5 0 5 Rain shwrs C C C L C C C C Tstms C C C C C C S C $$ VAZ506-262000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 137 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 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 98 70 88 65 86 Temp 75 79 90 95 90 83 76 73 71 73 80 84 87 82 74 70 67 71 78 83 85 81 Dewpt 62 67 70 69 71 72 72 71 70 70 68 65 63 64 64 63 59 59 60 62 64 64 RH 64 67 52 43 54 70 87 93 97 90 67 53 45 55 71 78 75 66 54 49 50 56 Wind dir S SW W SW SW SW SW W NW NW N N N N N N N NE E SE SE SE Wind spd 6 6 6 8 9 8 9 6 6 8 9 8 8 6 4 4 5 5 5 6 8 10 Clouds SC SC FW SC SC B1 OV B2 B2 B1 SC FW FW CL FW FW SC FW SC SC B1 B1 PoP 12hr 60 60 10 0 5 QPF 12hr 0.47 0.54 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L L C C C Tstms C C L C C S C Heat index 96101 96 88 83 86 88 83 84 86 83 Max heat 101 102 84 86 88 84 86 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 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 92 64 82 61 86 Temp 73 74 85 87 78 79 92 84 70 66 80 78 64 67 84 81 Dewpt 68 72 76 75 75 76 76 71 62 58 58 57 56 59 60 61 PWind dir SE S S W NW N NE SE Wind char LT GN LT LT LT LT LT LT Avg clouds B1 B2 B2 B2 B1 B1 B1 B1 FW FW CL FW FW FW FW SC PoP 12hr 50 50 40 60 30 5 5 5 Rain shwrs C C C C C S C L C Tstms C C C C C S S C C $$ VAZ037-262000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 137 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 99 72 91 69 89 Temp 73 77 91 96 92 85 79 76 73 74 82 86 88 84 76 73 70 71 80 85 86 82 Dewpt 61 64 65 65 66 67 68 68 68 68 67 65 64 64 64 63 61 61 62 64 65 65 RH 66 64 42 36 43 55 69 76 84 82 61 50 45 51 66 71 73 71 54 50 50 56 Wind dir S SW SW SW W SW SW SW NW N NE NE NE NE NE N N NE E SE SE SE Wind spd 5 4 5 8 10 8 6 4 3 4 5 4 5 5 5 4 4 5 5 6 6 6 Clouds FW FW FW SC SC B1 B1 B2 B2 B2 SC SC FW FW SC SC SC SC SC SC B1 B2 PoP 12hr 40 50 20 5 10 QPF 12hr 0.22 0.20 0.04 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C S S S S C Tstms C C C C C S S S C Heat index 93 99 95 88 85 88 89 85 81 86 88 84 Max heat 99 98 85 88 89 83 86 88 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 91 76 95 67 86 63 88 Temp 75 74 90 88 78 78 94 86 73 68 85 81 67 67 86 83 Dewpt 67 70 74 72 72 74 72 69 63 58 55 56 55 57 58 60 PWind dir SE S SW SW NW N N SE Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B1 B1 B1 B1 SC FW FW CL CL FW FW FW FW PoP 12hr 50 50 30 60 30 5 5 5 Rain shwrs C C C C C S C L C Tstms C C C C C S S C C $$ MDZ003-262000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 137 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 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 94 67 86 61 85 Temp 70 77 86 91 90 81 74 72 69 71 78 84 84 81 71 66 63 68 75 81 83 81 Dewpt 60 66 70 69 68 69 69 69 67 66 65 62 61 61 61 59 55 55 56 58 60 61 RH 71 69 59 49 49 67 84 90 93 84 64 48 46 51 71 78 75 63 52 46 46 51 Wind dir S SW W W SW SW SW W NW NW NW NW NW N N N NE NE E SE SE SE Wind spd 4 4 6 9 10 8 8 6 5 8 8 8 9 6 4 5 5 4 4 6 9 9 Clouds SC SC SC SC SC SC B2 OV B2 B1 FW FW FW FW FW FW FW FW FW SC SC B1 PoP 12hr 60 70 5 0 5 QPF 12hr 0.44 0.28 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L C L L C C S Tstms S C C L C C S Heat index 91 96 94 84 85 84 82 81 83 82 Max heat 96 96 85 85 81 83 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 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 69 87 74 89 60 80 59 85 Temp 72 71 81 86 77 78 88 83 66 65 78 77 62 65 83 79 Dewpt 65 69 74 73 75 75 73 66 59 56 53 55 54 56 58 60 PWind dir SE S S W NW N NE SE Wind char LT GN LT LT LT LT LT LT Avg clouds B2 B2 B2 B2 B1 B1 B1 SC FW FW FW FW FW FW FW SC PoP 12hr 40 60 50 40 10 0 0 5 Rain shwrs S C C L C C C C Tstms S C C C C C S C $$ MDZ017-262000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 137 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 96 72 88 72 87 Temp 76 81 91 94 93 84 79 76 74 77 82 85 86 83 78 75 73 76 83 86 85 80 Dewpt 65 71 72 71 73 73 72 71 70 71 70 68 66 67 68 67 64 64 64 64 65 67 RH 69 72 54 47 52 70 79 85 87 82 67 57 51 59 71 76 73 66 53 48 51 65 Wind dir SW SW SW S S S S SW W NW N N N NE NE N NE NE E SE SE SE Wind spd 12 11 9 10 12 11 10 11 9 9 11 9 8 5 6 8 9 9 8 8 11 10 Clouds FW FW FW SC SC B2 B1 B2 B2 B2 B1 B1 FW FW CL FW FW FW FW SC SC SC PoP 12hr 50 60 20 5 5 QPF 12hr 0.20 0.60 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L C C S S S S S Tstms S C C C C S S S Heat index 85 99101102 90 86 88 88 86 84 87 87 82 Max heat 85 101 102 87 88 89 83 87 88 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 91 78 94 69 83 68 85 Temp 76 80 90 84 80 82 94 85 74 72 80 78 69 74 84 80 Dewpt 70 73 75 75 75 76 76 76 68 62 59 59 60 63 59 62 PWind dir SE S S SW NW N NE SE Wind char GN GN GN GN GN GN LT LT Avg clouds B1 B2 B2 B1 B1 B1 B1 B2 B1 FW FW FW FW FW FW SC PoP 12hr 30 40 20 70 50 10 5 5 Rain shwrs S C C C S S C L C S Tstms S C S C S S S C C S $$ WVZ502-262000- Petersburg WV 38.99N 79.15W Elev. 963 ft 137 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 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 94 64 86 59 86 Temp 68 73 86 91 90 80 71 68 66 67 78 84 85 78 67 62 60 64 75 83 84 79 Dewpt 59 66 67 67 67 67 68 67 65 65 64 62 61 62 62 60 58 59 61 62 64 65 RH 73 79 53 45 47 65 90 97 97 93 62 48 45 58 84 93 93 84 62 49 51 62 Wind dir SW SW W W W SW SW W NW N N N NW N N N N E SE SE S SE Wind spd 4 4 5 8 9 6 5 3 2 3 4 5 5 4 2 2 2 1 2 6 8 5 Clouds SC B1 SC SC SC B2 OV OV B2 B2 SC FW CL FW FW FW SC SC SC B1 B1 B2 PoP 12hr 50 60 10 0 10 QPF 12hr 0.22 0.28 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C L L C C C Tstms S C C L C C C Heat index 89 94 93 82 85 85 84 85 Max heat 94 94 85 86 84 86 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 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 70 89 57 81 55 88 Temp 69 70 87 84 72 74 89 81 63 60 78 73 58 62 86 80 Dewpt 67 69 74 73 72 72 71 66 61 55 54 56 54 55 60 63 PWind dir S S SW W NW N SE S Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B1 B1 B1 B1 SC FW FW FW CL FW FW SC SC PoP 12hr 40 70 60 60 10 5 5 5 Rain shwrs C C C L L C C L Tstms C C C C C C S C $$ MDZ014-262000- Annapolis MD 38.99N 76.49W Elev. 7 ft 137 AM EDT Wed Jun 26 2024 Date Wed 06/26/24 Thu 06/27/24 Fri 06/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 94 74 88 71 85 Temp 78 81 88 91 90 83 79 76 75 76 80 84 86 83 79 76 73 73 78 81 83 79 Dewpt 64 69 71 72 72 72 73 72 70 70 68 67 65 66 67 65 62 60 61 63 63 65 RH 62 67 57 54 56 70 82 87 84 82 67 57 50 57 67 69 68 64 56 54 51 62 Wind dir SW SW SW S S S SW SW W NW N N N NE N N NE NE E E SE SE Wind spd 10 9 8 10 11 11 10 8 8 8 9 8 6 6 8 8 10 9 8 8 9 10 Clouds SC FW FW SC SC B1 B2 OV B2 B2 SC FW FW FW FW FW FW FW FW SC SC B1 PoP 12hr 60 70 10 0 5 QPF 12hr 0.37 0.50 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L L C C C Tstms C C L C C S S Heat index 84 94 99 97 88 83 87 88 85 82 84 Max heat 84 99 99 87 87 88 84 82 84 Date Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 87 80 92 70 83 69 83 Temp 75 77 86 86 81 83 92 86 76 70 80 80 72 71 82 79 Dewpt 69 72 76 75 76 75 76 74 66 60 60 59 61 61 62 63 PWind dir SE S S SW NW N NE SE Wind char GN GN GN GN GN GN LT LT Avg clouds B1 B2 B2 B1 B1 B1 B2 B1 SC FW CL FW FW FW FW SC PoP 12hr 40 50 40 60 40 5 0 0 Rain shwrs C C C C C C C L C Tstms S C C C C C S C C $$