Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
203 FOUS51 KLWX 240538 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 138 AM EDT Mon Jun 24 2024 VAZ054-242000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 138 AM EDT Mon Jun 24 2024 Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 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 89 70 93 77 98 Temp 80 77 83 87 87 84 78 74 71 74 85 91 93 88 82 78 77 80 87 95 95 86 Dewpt 70 67 60 56 55 54 56 57 56 57 54 53 55 56 58 60 62 62 65 65 66 68 RH 72 71 46 35 34 36 47 55 59 55 35 28 28 34 44 54 60 54 48 37 39 55 Wind dir W NW NW NW NW N NW NW NW NW W SW SW S S S SW SW SW S SW SW Wind spd 10 11 16 18 18 13 10 9 8 6 8 8 9 9 9 9 9 9 10 11 11 11 Wind gust 29 Clouds OV B1 SC FW SC FW CL FW CL CL CL FW FW FW SC SC SC SC FW SC B1 B2 PoP 12hr 5 0 0 0 30 QPF 12hr 0 0 0 0 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L Tstms C C L Heat index 83 83 82 81 89 98 98 89 Max heat 86 86 86 81 89 91 85 81 98 100 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 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 89 70 87 74 92 78 92 Temp 79 76 86 84 75 73 85 82 75 76 89 88 81 79 89 85 Dewpt 70 68 63 61 60 58 60 62 67 69 70 70 72 71 70 68 PWind dir W NW N E SE S S W Wind char LT LT LT GN GN GN GN GN Avg clouds B2 B2 SC FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 60 20 5 10 10 20 30 50 Rain shwrs L C S S S C C C C Tstms L C S S S C C C $$ MDZ013-242000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 138 AM EDT Mon Jun 24 2024 Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 65 92 74 98 Temp 78 77 83 87 86 82 75 70 66 72 84 90 92 86 78 76 74 78 88 95 94 86 Dewpt 70 67 60 57 55 55 56 56 55 58 56 55 55 58 59 60 61 62 67 67 69 70 RH 76 71 46 36 35 40 52 61 68 61 38 31 29 39 52 58 64 58 50 40 44 59 Wind dir W NW NW NW NW NW NW NW NW NW NW W SW S S S SW SW SW S SW SW Wind spd 6 10 16 18 18 11 6 6 4 3 4 6 8 5 5 5 5 6 9 10 10 9 Clouds B2 B1 FW SC SC SC FW FW CL CL FW FW FW SC SC SC SC SC SC SC B1 B2 PoP 12hr 5 0 0 0 30 QPF 12hr 0 0 0 0 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L Tstms C C L Heat index 83 91 99 99 91 Max heat 85 86 86 88 90 83 99 101 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 88 66 87 70 91 74 91 Temp 75 74 86 82 70 70 83 80 71 74 88 84 76 77 89 83 Dewpt 71 70 64 62 59 58 60 62 66 70 71 71 72 73 72 68 PWind dir SW NW N E SE S S W Wind char LT LT LT LT LT GN LT LT Avg clouds OV B2 SC FW FW FW FW SC SC B1 B1 B1 B1 B2 B1 B1 PoP 12hr 60 20 5 5 10 20 30 50 Rain shwrs L C S S S C C C C Tstms L C S S C C S C $$ MDZ011-242000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 138 AM EDT Mon Jun 24 2024 Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 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 89 71 95 79 99 Temp 81 79 84 87 87 82 78 74 72 74 88 93 95 89 84 80 79 81 90 96 95 86 Dewpt 70 65 58 56 53 53 55 55 55 56 54 52 53 55 58 60 61 61 64 65 66 67 RH 69 62 41 35 31 37 45 51 55 53 31 25 24 32 41 51 54 51 42 36 39 53 Wind dir W NW NW NW NW NW NW NW NW NW NW W SW S S S SW SW SW S SW SW Wind spd 11 10 16 18 19 12 8 8 6 5 4 6 6 5 5 5 5 8 9 10 11 9 Clouds B2 B1 FW SC SC FW FW FW CL CL FW FW FW FW SC SC SC SC SC SC B1 B2 PoP 12hr 0 0 0 0 30 QPF 12hr 0 0 0 0 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L Tstms C C L Heat index 85 84 84 81 82 91 99 98 89 Max heat 86 86 86 81 90 93 86 82 99 100 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 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 75 90 70 89 75 93 79 93 Temp 79 75 87 84 75 71 85 83 76 76 89 87 81 79 90 85 Dewpt 70 67 62 59 58 56 58 60 66 69 69 69 71 70 69 66 PWind dir W NW N E SE S S W Wind char LT LT LT LT LT GN LT LT Avg clouds OV B2 SC FW FW FW FW SC SC B1 B1 B1 B1 B2 B1 SC PoP 12hr 60 10 5 5 10 20 30 50 Rain shwrs L C S C C C C Tstms L C S C C S C $$ WVZ052-242000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 138 AM EDT Mon Jun 24 2024 Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 58 89 66 93 Temp 73 73 79 83 84 81 70 64 59 66 79 87 89 84 73 68 66 72 83 90 89 82 Dewpt 66 62 57 55 53 54 55 55 54 57 56 53 53 57 58 58 58 61 65 64 66 67 RH 79 68 47 38 34 39 59 73 83 73 45 31 29 40 59 70 75 68 55 42 47 61 Wind dir W NW NW NW NW NW NW NW W W W SW SW S S SW SW SW SW SW SW SW Wind spd 5 12 16 18 17 10 6 4 3 2 4 8 8 3 4 4 3 4 6 9 9 8 Wind gust 23 29 Clouds SC SC FW SC FW FW FW CL CL CL CL FW FW SC SC SC SC SC SC SC B1 B2 PoP 12hr 0 0 0 0 50 QPF 12hr 0 0 0 0 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L Tstms C C L Heat index 81 85 91 92 85 Max heat 82 83 85 87 81 91 92 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 83 59 84 66 89 70 88 Temp 71 70 81 77 63 66 80 79 69 73 85 83 73 76 86 80 Dewpt 68 65 59 57 57 56 58 60 64 66 69 68 70 69 67 62 PWind dir W NW N SE SE S SW NW Wind char LT LT LT LT LT GN LT LT Avg clouds B2 B1 FW FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 60 10 0 5 10 30 40 50 Rain shwrs L S C C C C C Tstms L S C C S S C $$ VAZ506-242000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 138 AM EDT Mon Jun 24 2024 Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 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 88 62 92 71 98 Temp 76 76 82 86 86 84 73 68 63 69 84 90 92 87 78 73 71 76 87 95 94 85 Dewpt 70 67 61 58 56 56 57 56 55 59 58 57 58 58 58 59 60 62 67 67 69 69 RH 82 74 49 39 36 38 57 65 75 70 41 33 32 38 50 62 68 62 52 40 44 59 Wind dir NW NW NW NW NW N NW NW NW NW W W SW S S S S S SW S SW W Wind spd 5 11 16 18 17 11 6 4 3 3 4 5 6 5 5 5 5 6 8 9 9 9 Wind gust 28 Clouds B2 SC SC SC SC FW FW CL CL CL CL FW FW FW SC SC FW SC FW SC B1 B2 PoP 12hr 0 0 0 0 40 QPF 12hr 0 0 0 0 0.19 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L Tstms C C C Heat index 83 84 90 99 99 89 Max heat 85 86 89 91 84 99 101 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 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 87 63 87 69 92 74 91 Temp 75 73 84 81 68 69 84 81 72 74 88 86 77 78 88 83 Dewpt 70 70 64 61 59 58 61 63 67 70 72 72 72 73 73 69 PWind dir W NW N E SE S S W Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B1 FW FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 60 20 5 10 20 30 30 50 Rain shwrs L S S S S C C C C C Tstms C S S C C C C $$ VAZ037-242000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 138 AM EDT Mon Jun 24 2024 Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 62 94 70 98 Temp 78 76 85 88 89 82 73 67 64 68 85 92 94 87 78 72 70 75 89 95 95 86 Dewpt 68 68 62 58 55 56 56 56 56 58 55 55 56 57 58 58 58 61 65 64 64 64 RH 71 76 46 36 32 41 55 68 75 70 36 29 28 36 50 61 66 62 45 36 36 48 Wind dir SW N NW NW N N N NW W W SW SW SW S SW SW SW SW S S SW W Wind spd 4 8 11 12 12 8 4 3 2 1 3 6 6 5 5 5 5 5 8 9 8 9 Clouds B2 SC SC SC FW CL CL CL CL CL FW FW FW FW FW FW FW FW SC SC B1 B1 PoP 12hr 5 0 0 0 30 QPF 12hr 0 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms C C C Heat index 86 82 91 97 97 87 Max heat 87 88 90 92 83 97 98 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 91 67 90 71 93 75 93 Temp 75 74 88 83 72 69 85 84 74 73 89 88 79 77 91 85 Dewpt 67 68 63 61 61 59 61 63 66 68 69 69 70 71 70 69 PWind dir W N NE E SE S SW W Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC FW FW SC SC SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 50 30 10 10 20 30 20 60 Rain shwrs C C S C S C S S C L Tstms C C C S C S S C $$ MDZ003-242000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 138 AM EDT Mon Jun 24 2024 Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 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 85 61 90 68 95 Temp 74 72 77 82 85 81 71 66 62 68 81 87 90 85 75 70 68 74 84 92 91 84 Dewpt 67 63 59 56 54 56 56 55 55 58 58 55 55 59 59 60 60 63 67 68 68 69 RH 79 73 54 41 35 42 59 68 78 70 46 34 31 41 58 71 76 69 57 46 47 61 Wind dir W NW NW NW NW NW NW NW NW W W SW SW S S S S SW SW SW SW SW Wind spd 6 12 16 18 17 9 4 3 2 3 4 6 6 4 4 4 4 5 6 9 9 8 Wind gust 23 26 29 27 Clouds SC FW FW SC FW FW FW CL CL CL CL FW FW SC SC SC SC SC SC SC B1 B2 PoP 12hr 0 0 0 5 50 QPF 12hr 0 0 0 0 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L Tstms C C L Heat index 82 81 81 85 87 96 95 88 Max heat 82 83 85 88 81 96 97 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 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 84 59 85 68 91 71 88 Temp 73 71 81 78 65 66 82 80 70 73 86 84 75 76 86 81 Dewpt 70 67 60 59 56 56 58 61 64 68 70 70 72 72 68 63 PWind dir W NW N SE SE S SW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B2 SC FW FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 60 5 0 5 10 30 40 50 Rain shwrs L S C C C C C Tstms L S C C S S C $$ MDZ017-242000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 138 AM EDT Mon Jun 24 2024 Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 69 91 75 96 Temp 80 80 83 88 88 83 76 72 70 74 86 90 90 85 80 76 75 79 88 93 93 86 Dewpt 72 72 69 62 60 61 60 59 59 61 59 58 60 63 64 63 65 67 70 69 69 71 RH 77 77 63 42 39 47 58 64 68 64 40 34 37 48 58 64 71 67 55 46 46 61 Wind dir SW NW NW NW NW N N NW NW NW NW SW S S S S SW SW S S S S Wind spd 9 9 11 14 17 11 8 6 6 5 6 8 9 8 10 10 10 11 11 12 13 12 Clouds B2 B2 B1 SC SC FW CL FW CL CL CL FW FW FW FW FW FW FW FW SC SC B1 PoP 12hr 40 0 0 0 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S S C Tstms C C S S C Heat index 84 84 87 88 88 83 90 86 82 93 98 98 91 Max heat 86 88 88 89 90 84 98 99 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 88 70 87 72 89 76 90 Temp 77 77 86 82 73 75 85 80 74 79 87 82 78 81 88 82 Dewpt 69 71 68 66 63 63 63 66 68 71 71 72 72 73 73 72 PWind dir SW N NE E SE S S SW Wind char GN LT LT GN LT GN GN GN Avg clouds B2 B2 B1 FW FW FW FW SC SC SC SC SC SC B1 B1 B1 PoP 12hr 50 30 10 10 10 20 20 50 Rain shwrs C C C C S S S S C Tstms C C S S S S S S C $$ WVZ502-242000- Petersburg WV 38.99N 79.15W Elev. 963 ft 138 AM EDT Mon Jun 24 2024 Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 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 84 55 91 65 94 Temp 68 68 78 82 84 77 65 61 56 62 80 89 91 83 72 67 65 70 85 92 90 80 Dewpt 67 65 60 57 57 58 58 56 54 58 56 55 57 62 60 58 58 62 67 67 67 69 RH 97 90 54 43 40 52 78 84 93 87 44 32 32 49 66 73 78 76 55 44 47 69 Wind dir N N NW NW NW NW W SW SW S SW SW W SW SW SW SW SW SW SW W SW Wind spd 4 5 11 14 14 5 2 3 2 2 3 4 5 3 3 3 3 3 5 6 8 5 Wind gust 25 Clouds B1 B1 SC SC SC CL FW CL FW FW FW FW FW SC SC SC SC SC SC SC B2 B1 PoP 12hr 5 0 0 0 50 QPF 12hr 0 0 0 0 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L Tstms C C L Obvis PF Heat index 82 80 84 88 96 93 83 Max heat 82 83 87 90 96 96 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 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 85 57 87 66 92 69 88 Temp 70 67 82 76 61 63 84 80 69 71 89 83 72 73 86 79 Dewpt 68 65 61 60 58 58 62 64 64 67 70 72 70 70 69 66 PWind dir W NW N SE S SW SW W Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B1 FW FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 60 20 5 10 10 40 40 60 Rain shwrs L C S S S C C C C L Tstms L C S S C C S S C $$ MDZ014-242000- Annapolis MD 38.99N 76.49W Elev. 7 ft 138 AM EDT Mon Jun 24 2024 Date Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 70 90 76 94 Temp 79 79 82 86 87 83 76 73 70 73 84 88 90 85 80 77 76 79 86 90 91 84 Dewpt 70 68 62 59 58 59 60 59 57 59 59 58 58 62 64 64 64 64 69 69 69 71 RH 74 69 51 40 38 44 58 62 63 62 43 36 34 46 58 64 66 60 57 50 49 65 Wind dir W NW NW NW NW N NW NW NW NW NW SW S S S S SW SW S S S S Wind spd 6 10 13 16 17 10 8 6 5 4 8 9 11 9 9 9 9 9 10 12 11 12 Wind gust 26 Clouds OV B1 SC FW SC FW FW CL CL CL CL CL FW FW FW SC SC SC FW SC SC B2 PoP 12hr 5 0 0 0 30 QPF 12hr 0 0 0 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C C L Tstms C S C L Heat index 83 83 84 86 82 90 95 96 89 Max heat 86 85 86 81 87 89 84 95 96 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 Sun 06/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 87 70 85 73 88 77 88 Temp 77 76 84 82 73 72 81 80 74 77 85 83 79 79 86 82 Dewpt 71 70 66 65 63 59 62 64 68 70 73 72 72 72 73 70 PWind dir SW N N E SE S S W Wind char LT LT LT LT LT GN GN GN Avg clouds B2 B2 SC FW FW FW FW FW SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 60 20 5 10 10 20 30 50 Rain shwrs L C S S S C C C C Tstms L C S S S C C S C $$