Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
980 FOUS51 KLWX 242037 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 437 PM EDT Mon Jun 24 2024 VAZ054-250800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 437 PM EDT Mon Jun 24 2024 Date 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu 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 68 93 76 98 73 Temp 90 84 78 73 70 75 84 89 91 87 82 79 77 80 88 94 93 86 79 76 74 76 Dewpt 52 52 53 53 53 56 53 53 56 59 63 63 64 65 66 68 70 71 71 70 69 68 RH 27 33 42 49 55 52 34 29 31 39 53 58 64 60 48 43 47 61 77 82 84 76 Wind dir N N N NW NW NW SW SW SW S S S S SW SW SW SW W W W NW NW Wind spd 18 10 4 4 3 4 6 9 11 10 10 10 10 9 10 11 13 13 10 9 8 9 Wind gust 31 Clouds FW FW CL CL CL FW FW FW SC SC SC SC SC SC SC SC B2 OV OV OV OV B2 PoP 12hr 0 0 5 50 80 QPF 12hr 0 0 0 0.29 0.35 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 Max heat 88 80 87 90 85 82 99 100 88 Date 06/27 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 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 70 88 76 93 79 93 72 86 Temp 86 84 73 73 85 83 76 78 90 87 81 81 90 84 75 74 83 81 Dewpt 61 61 61 59 61 63 67 70 71 71 72 72 71 68 63 60 58 58 PWind dir NW NE E SE S S W N N Wind char GN LT GN GN GN GN GN GN GN Avg clouds B1 FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 B1 SC SC FW FW PoP 12hr 10 5 5 10 30 30 40 30 10 Rain shwrs C C S S C C Tstms C C S C C $$ MDZ013-250800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 437 PM EDT Mon Jun 24 2024 Date 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 65 94 74 98 71 Temp 90 82 74 69 66 73 84 89 91 86 79 77 75 79 88 94 92 84 77 73 72 73 Dewpt 51 51 53 53 53 56 52 51 52 58 61 62 63 64 66 68 69 71 70 70 68 67 RH 26 34 48 57 63 55 33 27 27 39 54 60 66 60 48 43 47 65 79 90 87 81 Wind dir NW N NW NW W NW SW SW SW S S SW SW SW SW SW SW SW W W NW NW Wind spd 19 10 5 4 4 4 5 9 9 9 9 8 8 8 9 10 12 9 6 4 5 6 Wind gust 29 Clouds FW FW CL CL CL CL FW FW FW SC SC SC SC SC SC SC B2 OV OV OV OV B2 PoP 12hr 0 0 5 50 80 QPF 12hr 0 0 0 0.38 0.35 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D S S Tstms C C L C Heat index 90 99 97 89 Max heat 88 86 88 83 99 99 85 Date 06/27 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 66 87 71 92 75 92 67 85 Temp 86 83 69 69 85 82 72 74 88 87 78 78 90 83 71 69 82 81 Dewpt 63 62 60 59 61 63 67 70 72 72 73 74 73 69 62 60 58 58 PWind dir NW NE E SE S S W N NE Wind char LT LT LT LT GN LT LT LT GN Avg clouds B1 FW FW FW FW SC SC B1 B1 B1 B1 B2 B1 B1 SC SC FW FW PoP 12hr 10 0 5 10 30 30 40 30 10 Rain shwrs C C C C C C Tstms C C C S C C $$ MDZ011-250800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 437 PM EDT Mon Jun 24 2024 Date 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu 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 70 95 77 99 73 Temp 91 84 79 74 71 76 86 90 92 87 83 79 78 81 90 94 93 85 80 76 74 75 Dewpt 51 51 53 53 53 56 51 50 52 57 62 62 63 64 66 69 69 70 71 69 68 66 RH 26 32 41 48 53 50 30 25 26 36 49 56 60 56 45 44 46 61 74 79 82 74 Wind dir NW N NW NW NW NW SW SW SW S S S SW SW SW SW SW SW W W NW NW Wind spd 19 10 5 4 4 4 6 9 10 9 8 8 6 6 8 10 11 10 6 4 5 6 Wind gust 29 Clouds FW FW CL CL CL CL FW FW FW SC SC SC SC B1 SC SC B2 OV OV OV OV B2 PoP 12hr 0 0 5 50 80 QPF 12hr 0 0 0 0.44 0.32 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 Max heat 89 81 87 89 85 83 99 101 88 Date 06/27 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 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 71 90 77 94 80 94 72 88 Temp 88 84 73 73 87 83 77 78 90 87 82 82 91 84 75 74 85 81 Dewpt 61 59 59 57 59 61 67 69 70 70 72 71 70 66 61 57 57 56 PWind dir NW NE E SE S S W N N Wind char LT LT LT LT GN LT LT LT LT Avg clouds SC FW FW FW FW SC SC B1 B1 B1 B1 B2 B1 B1 SC SC FW FW PoP 12hr 10 0 5 10 30 30 40 30 10 Rain shwrs C C C C C C Tstms C C C S C C $$ WVZ052-250800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 437 PM EDT Mon Jun 24 2024 Date 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 91 68 93 66 Temp 86 78 69 64 60 67 80 86 89 84 75 71 69 74 85 89 86 79 73 70 67 70 Dewpt 52 53 53 52 52 57 57 56 58 62 62 62 62 65 69 69 69 69 67 67 64 65 RH 31 42 57 65 75 70 45 36 35 48 64 73 78 74 59 52 57 72 81 90 90 84 Wind dir N NW NW NW W W SW SW SW SW SW SW S SW W SW W W W NW NW NW Wind spd 18 9 5 3 3 2 6 8 10 6 6 6 5 5 8 10 11 10 6 5 5 8 Clouds FW CL CL CL CL CL CL FW SC SC SC SC B1 SC B1 B1 OV OV OV OV OV B1 PoP 12hr 0 5 20 60 70 QPF 12hr 0 0 0 0.46 0.20 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C L L L S S Tstms S C L L S Heat index 80 85 89 94 90 Max heat 85 85 88 81 94 94 Date 06/27 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 59 85 68 90 71 88 62 82 Temp 82 79 63 64 81 81 70 72 87 86 74 74 85 81 66 65 79 78 Dewpt 58 57 57 57 59 61 64 67 69 68 70 70 68 62 59 57 54 55 PWind dir NW N SE SE S SW W NW N Wind char GN LT LT GN GN LT GN LT LT Avg clouds SC FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 SC FW FW FW FW PoP 12hr 10 0 5 10 30 40 40 20 10 Rain shwrs C C C C C S Tstms C C S S C S $$ VAZ506-250800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 437 PM EDT Mon Jun 24 2024 Date 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu 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 61 92 72 97 68 Temp 89 81 72 67 63 70 83 88 90 85 79 75 73 78 88 93 91 81 75 71 70 72 Dewpt 53 53 53 53 52 57 56 56 58 61 61 61 62 65 68 69 70 71 70 69 67 67 RH 29 38 51 61 67 63 40 34 34 45 54 62 68 64 52 46 50 72 84 93 90 84 Wind dir N N N NW W NW SW SW SW S S S S SW SW SW SW W W W NW NW Wind spd 18 10 4 3 3 3 5 8 9 9 9 8 8 8 8 9 10 9 6 4 5 8 Wind gust 29 Clouds SC FW CL CL CL CL FW FW FW SC SC SC SC SC SC B1 B2 OV OV OV OV B2 PoP 12hr 0 5 10 50 70 QPF 12hr 0 0 0 0.41 0.27 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 Max heat 88 86 89 83 98 98 Date 06/27 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 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 87 64 87 70 93 74 92 66 84 Temp 85 83 68 68 85 83 72 74 90 89 77 78 89 83 70 69 81 80 Dewpt 62 61 60 59 62 64 67 71 73 72 73 74 74 69 62 60 59 58 PWind dir N N E SE S S W N N Wind char LT LT LT LT GN LT LT LT LT Avg clouds SC FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 SC SC FW FW FW PoP 12hr 10 5 5 10 30 30 40 30 10 Rain shwrs C C S C C C Tstms C C S C C $$ VAZ037-250800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 437 PM EDT Mon Jun 24 2024 Date 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 93 70 98 70 Temp 91 82 73 68 65 70 83 88 91 85 78 74 71 76 89 94 92 84 77 74 72 74 Dewpt 54 53 53 53 53 57 57 59 60 61 61 61 62 65 67 68 68 69 68 67 67 68 RH 29 37 49 59 65 63 41 38 36 45 56 64 73 69 48 43 46 61 74 79 84 82 Wind dir N N N NW NW NW S SW S S SW S SW SW SW SW SW SW W W NW N Wind spd 14 9 5 3 3 2 4 8 9 6 6 6 6 5 6 8 9 9 5 4 4 4 Clouds FW CL CL CL CL CL CL FW SC SC FW FW FW SC SC SC B2 B2 OV OV OV OV PoP 12hr 0 0 5 50 70 QPF 12hr 0 0 0 0.18 0.20 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C C Tstms C C L C S Heat index 91 85 92 99 96 88 Max heat 90 87 91 83 99 99 84 Date 06/27 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 67 90 72 94 75 94 69 87 Temp 87 84 70 71 87 84 74 75 91 88 77 79 91 84 73 71 84 81 Dewpt 64 62 61 60 62 64 66 69 70 69 70 71 71 69 63 60 58 58 PWind dir NE NE E SE S SW W N NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 SC FW SC SC SC SC B1 B1 B1 B1 B1 B1 B1 SC SC FW FW PoP 12hr 30 5 10 20 30 20 40 30 20 Rain shwrs C S S C S S S C C S Tstms S S S C S S C C $$ MDZ003-250800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 437 PM EDT Mon Jun 24 2024 Date 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu 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 60 91 70 93 66 Temp 86 79 70 65 62 68 80 86 89 85 77 74 71 76 84 89 86 79 73 70 67 69 Dewpt 53 54 53 52 52 57 56 56 57 61 62 62 62 65 69 70 69 70 68 66 64 65 RH 32 42 55 63 70 68 44 36 34 45 60 66 73 69 61 54 57 74 84 87 90 87 Wind dir N NW NW N S SW SW SW SW SW S S S SW W SW SW W W NW NW NW Wind spd 17 9 4 2 2 2 6 9 9 8 6 5 5 4 6 9 11 9 5 5 5 6 Clouds FW FW CL CL CL CL FW FW SC SC SC B1 B1 B1 B1 B1 OV OV OV OV B2 B1 PoP 12hr 0 5 20 70 60 QPF 12hr 0 0 0 0.59 0.21 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C L L L S S Tstms S C L L S Heat index 80 85 88 94 90 Max heat 85 85 88 83 94 94 Date 06/27 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 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 84 60 86 69 92 72 89 62 83 Temp 83 79 64 65 82 82 71 73 88 88 75 76 86 81 67 65 80 79 Dewpt 60 59 56 57 59 62 64 68 71 70 72 73 69 63 60 57 55 55 PWind dir NW N SE SE S S W N N Wind char LT LT LT GN GN LT GN LT LT Avg clouds SC FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 SC FW FW FW FW PoP 12hr 5 0 5 10 30 40 50 20 5 Rain shwrs C C C C C S Tstms C C S S C S $$ MDZ017-250800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 437 PM EDT Mon Jun 24 2024 Date 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 92 75 97 73 Temp 90 82 76 73 70 77 85 88 89 84 79 77 76 80 89 93 93 86 78 75 74 77 Dewpt 57 58 59 59 60 62 60 60 63 64 64 65 66 68 69 70 71 72 72 70 70 71 RH 33 44 56 62 71 60 43 39 42 51 60 67 71 67 52 47 49 63 82 84 87 82 Wind dir N N N N W W S S S S S S SW SW SW S S S SW SW W NW Wind spd 18 11 6 6 5 3 4 8 12 12 11 12 12 11 10 11 13 13 11 8 8 8 Wind gust 29 Clouds FW FW CL CL CL FW FW FW FW FW SC SC FW SC FW SC B1 OV OV OV OV OV PoP 12hr 0 0 0 30 70 QPF 12hr 0 0 0 0.11 0.44 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L C C S Tstms S C C C S Heat index 82 85 88 90 85 83 94 99100 92 Max heat 90 88 90 83 83 99 100 88 Date 06/27 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 70 87 74 91 77 91 71 84 Temp 86 83 72 74 85 82 75 78 89 86 78 81 90 82 73 73 82 80 Dewpt 66 66 64 64 64 67 68 71 72 73 72 73 73 73 66 63 61 61 PWind dir N NE E SE S S SW NW N Wind char GN LT GN GN GN GN GN GN GN Avg clouds B1 SC FW FW FW SC SC SC SC SC SC B1 B1 B1 B1 SC FW FW PoP 12hr 20 5 10 10 20 20 40 40 20 Rain shwrs S S S S S S C C S S S Tstms S S S S S S C C S $$ WVZ502-250800- Petersburg WV 38.99N 79.15W Elev. 963 ft 437 PM EDT Mon Jun 24 2024 Date 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu 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 55 92 66 93 64 Temp 84 75 65 60 56 63 79 88 91 83 72 69 67 72 84 89 87 79 71 68 66 67 Dewpt 54 55 54 53 51 56 57 56 58 63 62 61 61 65 67 67 67 68 67 65 64 64 RH 36 50 68 78 83 78 47 34 33 51 71 76 81 79 57 48 52 69 87 90 93 90 Wind dir N NW NW W SW SW S W SW SW SW SW SW SW W W W W W W NW NW Wind spd 13 6 3 3 3 2 4 6 8 4 4 4 4 3 5 8 9 5 4 3 3 2 Clouds SC FW CL CL CL CL FW FW FW SC SC SC B1 B1 B1 B2 B2 B2 OV OV OV B2 PoP 12hr 0 5 20 70 70 QPF 12hr 0 0 0 0.23 0.18 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C L L L C C Tstms S C L L S Heat index 84 87 92 90 Max heat 83 86 90 92 92 Date 06/27 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 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 85 58 88 68 93 70 88 59 85 Temp 83 78 61 63 85 82 69 72 91 86 73 72 86 79 64 62 81 78 Dewpt 59 60 59 58 63 65 65 68 71 72 70 70 70 66 60 58 57 58 PWind dir N NE SE S SW SW W N NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW SC B1 B1 B1 B1 B1 B1 B1 SC SC SC FW FW PoP 12hr 10 5 10 10 40 40 50 20 10 Rain shwrs S C C C C C S Tstms C C S S C S $$ MDZ014-250800- Annapolis MD 38.99N 76.49W Elev. 7 ft 437 PM EDT Mon Jun 24 2024 Date 06/24/24 Tue 06/25/24 Wed 06/26/24 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 91 76 94 73 Temp 90 83 78 74 71 76 83 86 88 83 80 78 77 80 87 90 90 84 78 74 73 75 Dewpt 53 53 54 56 55 58 55 57 60 64 65 64 65 66 68 70 72 72 72 70 69 68 RH 28 36 43 53 57 54 38 37 39 53 60 62 67 62 53 52 56 67 82 87 87 79 Wind dir N N N NW NW NW SW S S S S S SW SW SW S S SW SW W W NW Wind spd 18 10 6 5 4 4 6 10 12 13 12 10 10 9 10 11 12 12 10 6 6 8 Wind gust 29 Clouds FW FW CL CL CL CL FW FW FW FW FW SC SC SC SC SC B2 OV OV OV OV B2 PoP 12hr 0 0 5 40 80 QPF 12hr 0 0 0 0.29 0.42 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D C C S Tstms C C L C S Heat index 88 84 82 82 91 96 97 90 Max heat 89 80 85 88 83 82 96 99 87 Date 06/27 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 Mon 07/01/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 70 85 74 89 78 89 71 83 Temp 83 82 72 73 83 80 75 78 85 84 80 81 86 82 74 73 80 79 Dewpt 64 65 63 60 63 65 69 70 73 73 73 73 73 71 66 61 61 61 PWind dir N NE E SE S S W N N Wind char GN LT GN GN GN GN GN GN GN Avg clouds B1 FW FW FW FW FW SC B1 B1 B1 B1 B1 B1 B1 SC SC FW FW PoP 12hr 20 5 5 10 20 30 50 40 10 Rain shwrs S S C C S C C S Tstms S S C S S C C S $$