Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
351 FOUS51 KLWX 250538 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 138 AM EDT Tue Jun 25 2024 VAZ054-252000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 138 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 76 98 73 89 Temp 70 75 84 89 91 87 82 79 77 80 88 94 93 86 79 76 74 76 80 86 88 84 Dewpt 53 56 53 53 56 59 63 63 64 65 66 68 70 71 71 70 69 68 64 61 60 61 RH 55 52 34 29 31 39 53 58 64 60 48 43 47 61 77 82 84 76 58 43 39 46 Wind dir N NW SW SW SW S S S S SW SW SW SW W W W NW NW NW NW N N Wind spd 4 3 5 9 10 10 9 9 9 8 8 9 13 13 10 9 8 9 9 9 9 9 Clouds CL CL FW FW SC SC SC SC SC SC SC B1 B2 OV OV OV OV B2 SC FW FW FW PoP 12hr 0 5 50 80 10 QPF 12hr 0 0 0.29 0.35 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D C C Tstms C C L C Heat index 83 82 90 99 99 91 82 86 88 84 Max heat 87 90 85 82 99 100 88 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 73 73 86 83 77 77 89 87 82 81 93 87 78 74 83 81 Dewpt 61 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 5 5 20 30 40 50 40 10 Rain shwrs S S C C C S C C Tstms S C C C C C $$ MDZ013-252000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 138 AM EDT Tue Jun 25 2024 Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 94 74 98 71 88 Temp 66 73 84 89 91 86 79 77 75 79 88 94 92 84 77 73 72 73 81 86 88 83 Dewpt 53 56 52 51 52 58 61 62 63 64 66 68 69 71 70 70 68 67 65 63 61 62 RH 63 55 33 27 27 39 54 60 66 60 48 43 47 65 79 90 87 81 58 46 40 49 Wind dir NW NW SW SW SW S S SW SW SW SW SW SW SW W W NW NW NW NW N N Wind spd 3 3 5 8 9 10 8 8 8 6 8 8 12 9 6 4 5 6 8 8 6 8 Clouds CL CL FW FW SC SC SC SC SC SC SC B1 B2 OV OV OV OV B2 SC FW FW FW PoP 12hr 0 5 50 80 10 QPF 12hr 0 0 0.38 0.35 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D S S Tstms C C L C Heat index 90 99 97 89 83 87 88 84 Max heat 86 88 83 99 99 85 87 88 Date Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 88 71 91 76 94 69 86 Temp 69 71 85 81 72 75 88 84 78 80 92 86 75 72 83 79 Dewpt 60 60 63 64 67 71 73 74 74 76 75 71 66 62 59 58 PWind dir NE E SE S S SW NW N Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW SC SC B1 B2 B1 B1 B1 B2 B1 B1 SC SC FW FW PoP 12hr 0 5 20 30 40 50 30 10 Rain shwrs S C C C C C C Tstms S C C C S C C $$ MDZ011-252000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 138 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 95 77 99 73 91 Temp 71 76 86 90 92 87 83 79 78 81 90 94 93 85 80 76 74 75 81 88 90 84 Dewpt 53 56 51 50 52 57 62 62 63 64 66 69 69 70 71 69 68 66 63 61 59 59 RH 53 50 30 25 26 36 49 56 60 56 45 44 46 61 74 79 82 74 54 40 35 43 Wind dir NW NW SW SW SW S S SW SW SW SW SW SW SW W W NW NW NW NW N N Wind spd 4 3 5 8 9 9 6 6 6 6 6 8 11 10 6 4 5 6 8 8 6 8 Clouds CL CL FW FW FW SC SC SC SC SC SC B1 B2 OV OV OV OV B2 SC FW FW FW PoP 12hr 0 5 50 80 10 QPF 12hr 0 0 0.44 0.32 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D S S Tstms C C L C Heat index 84 83 93 99 98 90 83 82 88 84 Max heat 87 89 85 83 99 101 88 88 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 73 72 87 84 77 76 89 86 83 81 93 87 80 74 85 82 Dewpt 59 57 62 61 66 69 72 72 73 73 73 68 65 60 57 56 PWind dir NE 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 $$ WVZ052-252000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 138 AM EDT Tue Jun 25 2024 Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 68 93 66 84 Temp 60 67 80 86 89 84 75 71 69 74 85 89 86 79 73 70 67 70 77 82 83 79 Dewpt 52 57 57 56 58 62 62 62 62 65 69 69 69 69 67 67 64 65 61 58 56 57 RH 75 70 45 36 35 48 64 73 78 74 59 52 57 72 81 90 90 84 58 44 40 47 Wind dir W SW S SW SW S SW SW SW SW W SW W W W NW NW NW NW NW N N Wind spd 2 1 5 8 9 5 4 4 4 3 8 10 11 10 6 5 5 8 9 8 8 8 Clouds CL CL CL FW SC SC SC SC B1 B1 B1 B1 OV OV OV OV OV B1 FW FW FW FW PoP 12hr 5 20 60 70 10 QPF 12hr 0 0 0.46 0.20 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C L L L S S Tstms S S S C L L S Heat index 80 85 89 94 90 82 Max heat 85 88 81 94 94 82 82 Date Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 86 68 89 72 90 64 82 Temp 63 67 82 80 70 73 85 83 75 78 88 83 69 69 79 76 Dewpt 57 56 62 61 64 68 71 70 71 71 70 66 63 58 56 56 PWind dir N SE SE S SW W NW N Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW FW SC B1 B1 B1 B1 B1 B1 B1 SC SC FW FW FW PoP 12hr 0 5 20 40 40 50 20 10 Rain shwrs S S C C C C C S Tstms S S C C C S C S $$ VAZ506-252000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 138 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 72 97 68 87 Temp 63 70 83 88 90 85 79 75 73 78 88 93 91 81 75 71 70 72 81 85 87 83 Dewpt 52 57 56 56 58 61 61 61 62 65 68 69 70 71 70 69 67 67 65 62 61 61 RH 67 63 40 34 34 45 54 62 68 64 52 46 50 72 84 93 90 84 58 46 42 47 Wind dir NW NW SW SW SW S S S S SW SW SW SW W W W NW NW NW NW N N Wind spd 3 3 4 8 10 9 8 6 6 6 6 9 10 9 6 4 5 8 8 8 8 6 Clouds CL CL FW FW SC SC SC SC SC SC SC B1 B2 OV OV OV OV B2 SC FW FW FW PoP 12hr 5 5 50 70 10 QPF 12hr 0 0 0.41 0.27 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L S S Tstms C C L C Heat index 85 92 98 97 85 83 86 87 83 Max heat 86 89 83 98 98 86 87 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 64 88 70 92 75 93 68 84 Temp 68 71 86 82 73 75 89 87 79 80 92 86 74 71 82 79 Dewpt 60 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 5 5 20 40 40 50 30 10 Rain shwrs S S C C S C C C Tstms S C C S C C $$ VAZ037-252000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 138 AM EDT Tue Jun 25 2024 Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 70 98 70 91 Temp 65 70 83 88 91 85 78 74 71 76 89 94 92 84 77 74 72 74 81 87 90 84 Dewpt 53 57 57 59 60 61 61 61 62 65 67 68 68 69 68 67 67 68 66 64 63 62 RH 65 63 41 38 36 45 56 64 73 69 48 43 46 61 74 79 84 82 60 46 41 48 Wind dir W NW S SW S S SW S S SW SW S SW SW W W NW N N NE NE E Wind spd 2 1 4 8 9 6 5 5 5 4 4 8 9 9 5 4 4 4 4 5 5 6 Clouds CL CL FW FW SC FW FW FW SC SC SC B1 B2 B2 OV OV OV OV SC SC SC SC PoP 12hr 0 5 50 70 30 QPF 12hr 0 0 0.18 0.20 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C C C S S Tstms C C L C S S S S Heat index 91 85 92 99 96 88 83 88 91 85 Max heat 87 91 83 99 99 84 88 91 Date Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 91 72 94 76 95 70 89 Temp 70 71 87 84 75 74 90 87 80 78 93 87 76 73 86 83 Dewpt 61 61 66 64 66 69 72 71 71 72 71 70 68 64 59 58 PWind dir NE E SE S SW SW NW NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC FW PoP 12hr 5 10 30 40 20 60 30 20 Rain shwrs C S C S S C L C S S Tstms C S C S S C C $$ MDZ003-252000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 138 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 70 93 66 84 Temp 62 68 80 86 89 85 77 74 71 76 84 89 86 79 73 70 67 69 78 83 84 79 Dewpt 52 57 56 56 57 61 62 62 62 65 69 70 69 70 68 66 64 65 63 60 57 59 RH 70 68 44 36 34 45 60 66 73 69 61 54 57 74 84 87 90 87 60 46 40 50 Wind dir NW S SW SW SW S S SW S S W SW SW W W NW NW NW NW NW NW N Wind spd 2 2 5 8 8 6 4 4 4 3 5 9 11 9 5 5 5 6 8 8 8 6 Clouds CL CL CL FW SC SC SC B1 SC B1 B1 B1 OV OV OV OV B2 B1 FW FW FW FW PoP 12hr 5 10 70 60 5 QPF 12hr 0 0 0.59 0.21 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C L L L S S Tstms S S C L L S Heat index 80 85 88 94 90 83 Max heat 85 88 83 94 94 83 84 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 60 87 69 90 73 92 64 82 Temp 64 68 84 81 72 73 86 85 78 78 90 84 70 68 80 77 Dewpt 56 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 $$ MDZ017-252000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 138 AM EDT Tue Jun 25 2024 Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 75 97 73 88 Temp 70 77 85 88 89 84 79 77 76 80 89 93 93 86 78 75 74 77 84 86 88 83 Dewpt 60 62 60 60 63 64 64 65 66 68 69 70 71 72 72 70 70 71 68 66 65 66 RH 71 60 43 39 42 51 60 67 71 67 52 47 49 63 82 84 87 82 59 51 47 57 Wind dir N NW SE S S S S SW SW SW SW S S S SW SW W NW N N N N Wind spd 5 4 3 6 11 12 11 12 11 11 8 9 13 13 11 8 8 8 10 9 8 8 Clouds CL FW CL FW FW SC SC SC SC SC SC SC B1 OV OV OV OV OV B1 SC SC FW PoP 12hr 0 5 30 70 20 QPF 12hr 0 0 0.11 0.44 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L C C S S S S Tstms S C C C S S S S Heat index 85 88 90 85 83 94 99100 92 87 88 90 85 Max heat 88 90 83 83 99 100 88 89 90 Date Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 88 74 91 77 94 72 86 Temp 72 76 86 81 75 80 88 84 79 82 92 84 77 77 84 80 Dewpt 64 65 66 67 70 73 74 74 73 75 75 75 71 67 63 62 PWind dir NE E SE S S SW W N Wind char LT GN LT GN GN GN LT GN Avg clouds FW FW FW SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC FW PoP 12hr 5 5 20 30 30 60 50 20 Rain shwrs S S C C C S L C C S S Tstms S S C C C S C C C $$ WVZ502-252000- Petersburg WV 38.99N 79.15W Elev. 963 ft 138 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 66 93 64 85 Temp 56 63 79 88 91 83 72 69 67 72 84 89 87 79 71 68 66 67 77 83 85 78 Dewpt 51 56 57 56 58 63 62 61 61 65 67 67 67 68 67 65 64 64 62 59 58 60 RH 83 78 47 34 33 51 71 76 81 79 57 48 52 69 87 90 93 90 60 44 40 54 Wind dir SW S S W W E SW S SW SW W W W W W W NW NW N N N N Wind spd 2 2 5 6 8 4 3 4 4 4 6 6 9 5 4 3 3 2 4 5 6 5 Clouds CL CL FW FW FW SC SC SC SC B1 B1 B2 B2 B2 OV OV OV B2 FW FW FW FW PoP 12hr 5 20 70 70 10 QPF 12hr 0 0 0.23 0.18 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C L L L C C Tstms S S C L L S Heat index 84 87 92 90 83 Max heat 86 90 92 92 83 84 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 65 86 81 70 73 88 84 74 74 89 82 67 66 82 76 Dewpt 59 60 66 65 66 69 73 73 72 72 72 69 65 61 59 60 PWind dir NE SE S SW SW W NW N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC FW FW PoP 12hr 5 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 $$ MDZ014-252000- Annapolis MD 38.99N 76.49W Elev. 7 ft 138 AM EDT Tue Jun 25 2024 Date Tue 06/25/24 Wed 06/26/24 Thu 06/27/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 76 94 73 87 Temp 71 76 83 86 88 83 80 78 77 80 87 90 90 84 78 74 73 75 79 83 86 82 Dewpt 55 58 55 57 60 64 65 64 65 66 68 70 72 72 72 70 69 68 66 64 63 65 RH 57 54 38 37 39 53 60 62 67 62 53 52 56 67 82 87 87 79 64 53 46 56 Wind dir NW NW S S S S S S SW SW SW S S SW SW W W NW N N N N Wind spd 4 3 4 10 11 13 10 10 10 9 8 9 12 12 10 6 6 8 9 8 9 10 Clouds CL CL FW FW FW FW SC SC SC B1 SC SC B2 OV OV OV OV B2 SC FW FW FW PoP 12hr 0 5 40 80 20 QPF 12hr 0 0 0.29 0.42 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D C C S S Tstms C C L C S Heat index 88 84 82 82 91 96 97 90 84 87 84 Max heat 85 88 83 82 96 99 87 84 87 Date Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 86 74 89 79 91 73 84 Temp 72 74 83 81 75 77 86 84 81 81 88 84 78 74 81 79 Dewpt 63 61 66 66 69 71 75 75 75 74 75 73 68 63 62 61 PWind dir NE E SE S S SW NW N Wind char LT GN LT GN GN GN LT GN Avg clouds FW FW FW SC SC B1 B1 B1 B1 B1 B1 B1 SC SC FW FW PoP 12hr 5 5 20 30 40 50 40 10 Rain shwrs S S C C C S C C Tstms S S C C C S C C $$