Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
956 FOUS51 KLWX 270538 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 137 AM EDT Thu Jun 27 2024 VAZ054-272000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 137 AM EDT Thu Jun 27 2024 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 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 72 86 74 90 Temp 74 76 82 87 89 86 80 76 72 73 79 84 85 81 77 75 75 76 83 86 87 85 Dewpt 69 69 66 62 61 61 62 60 58 56 55 57 60 62 64 67 69 71 72 73 73 74 RH 84 79 58 43 39 43 54 58 61 55 44 40 43 53 64 76 82 85 70 65 63 70 Wind dir W NW N NW NW NW N N NE NE E E SE SE SE SE SE SE S S S S Wind spd 5 6 6 8 9 9 6 9 10 11 11 10 11 13 10 9 9 9 10 11 12 11 Clouds OV B2 B1 FW FW CL SC SC FW SC FW SC SC FW SC B1 B1 B2 B2 B2 B2 B2 PoP 12hr 10 5 5 40 40 QPF 12hr 0 0 0 0.05 0.12 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C Tstms S S C C C Heat index 84 87 89 86 81 85 82 88 93 94 93 Max heat 88 89 83 83 85 81 93 94 Date Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 Wed 07/03/24 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 80 93 70 83 68 87 71 92 Temp 83 82 93 89 77 71 81 80 71 71 86 82 73 73 89 88 Dewpt 75 75 73 70 63 57 55 55 56 59 57 58 62 63 65 66 PWind dir S W NW N N E S S Wind char GN GN GN GN LT LT GN GN Avg clouds B2 B2 B1 SC FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 40 60 20 0 0 0 5 10 Rain shwrs C C C L S Tstms C C S C S $$ MDZ013-272000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 137 AM EDT Thu Jun 27 2024 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 67 84 70 88 Temp 72 73 80 86 87 84 77 73 68 70 77 81 82 79 73 71 71 75 81 85 85 82 Dewpt 69 70 67 64 63 63 62 60 56 56 55 57 59 62 64 66 68 72 73 74 74 75 RH 90 90 65 48 45 49 60 64 65 61 47 44 46 56 73 84 90 90 77 70 70 79 Wind dir W NW NW NW NW NW N NE NE NE E E SE SE SE SE SE SE S S S S Wind spd 4 5 5 6 6 5 5 8 9 9 8 8 10 10 9 6 6 5 9 10 11 10 Clouds OV B2 SC FW FW FW FW SC FW SC FW SC SC SC SC B2 B2 B1 B2 B2 B2 B2 PoP 12hr 10 0 5 40 50 QPF 12hr 0 0 0 0.03 0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C Tstms S S C C C Heat index 82 87 88 85 81 82 86 93 93 89 Max heat 87 89 81 81 82 93 93 Date Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 Wed 07/03/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 93 66 83 65 85 68 91 Temp 79 79 93 87 72 68 82 79 69 69 84 80 70 72 90 86 Dewpt 75 77 75 72 62 58 56 56 57 59 58 58 62 65 67 67 PWind dir S W NW N N E S S Wind char LT LT GN GN LT LT LT GN Avg clouds B2 B2 B1 SC FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 40 60 20 0 0 0 5 10 Rain shwrs C C C L S Tstms C C S C S $$ MDZ011-272000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 137 AM EDT Thu Jun 27 2024 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 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 71 87 74 91 Temp 73 76 84 88 90 86 81 76 72 71 79 84 85 81 78 76 75 76 84 86 88 84 Dewpt 69 68 64 62 60 61 61 58 55 53 53 55 57 59 63 65 68 69 71 72 72 73 RH 87 76 51 42 37 43 51 54 55 53 41 37 39 47 60 69 79 79 65 63 59 70 Wind dir W NW NW NW NW NW N N NE NE E SE SE SE SE SE SE SE S S S S Wind spd 4 5 5 6 6 6 5 8 9 8 8 8 10 10 8 6 6 5 8 10 11 11 Clouds OV B2 SC FW FW FW FW SC FW SC FW SC SC SC SC B2 B2 B1 B2 B2 B2 B2 PoP 12hr 10 0 0 40 50 QPF 12hr 0 0 0 0.02 0.20 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C Tstms S C C C Heat index 85 88 90 86 82 81 89 92 95 90 Max heat 89 91 84 83 84 81 92 95 Date Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 Wed 07/03/24 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 80 96 70 86 69 88 73 93 Temp 83 82 95 90 77 70 85 82 72 71 86 83 75 74 92 88 Dewpt 74 75 73 68 61 56 55 54 56 57 56 56 62 63 65 65 PWind dir S W NW N N SE S S Wind char GN LT GN GN LT LT LT GN Avg clouds B2 B2 B1 SC FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 50 60 20 0 0 0 5 10 Rain shwrs C C C L S Tstms C C S C S $$ WVZ052-272000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 137 AM EDT Thu Jun 27 2024 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 59 82 66 84 Temp 68 71 78 83 85 79 70 64 60 66 73 79 82 79 72 69 67 71 76 81 83 81 Dewpt 66 66 62 59 57 58 57 56 54 54 53 55 57 58 61 63 65 67 69 70 71 70 RH 93 84 58 44 39 49 63 75 81 65 49 44 43 49 68 81 93 87 79 69 67 69 Wind dir W NW NW NW NW N N N N NE E SE SE SE SE SE SE SE S S S S Wind spd 3 5 6 8 9 6 5 5 5 5 6 8 10 10 10 9 8 6 9 10 10 9 Clouds OV SC FW FW FW FW FW FW FW SC FW FW SC SC SC B1 B2 B2 B2 B2 B2 OV PoP 12hr 5 0 5 40 60 QPF 12hr 0 0 0 0.04 0.13 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C C C C L L C Tstms S S S S C C C Heat index 83 82 85 88 85 Max heat 83 84 82 85 88 Date Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 Wed 07/03/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 91 60 78 56 83 62 90 Temp 75 76 90 84 66 65 75 74 59 65 81 79 64 70 88 87 Dewpt 72 72 68 63 57 54 52 52 54 54 55 56 58 61 64 65 PWind dir SW W NW N N SE SE S Wind char LT GN GN LT LT LT LT LT Avg clouds B2 B2 SC FW FW FW FW FW FW FW SC SC SC SC SC SC PoP 12hr 50 30 10 0 0 5 5 20 Rain shwrs C S C C S Tstms C S S C S $$ VAZ506-272000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 137 AM EDT Thu Jun 27 2024 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 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 66 85 69 88 Temp 70 73 80 85 87 82 75 70 66 70 77 81 84 81 74 71 70 74 81 85 86 84 Dewpt 68 70 68 64 63 63 61 60 58 57 56 59 62 63 65 66 69 72 74 75 76 75 RH 93 90 67 50 45 53 62 71 75 63 48 47 48 54 74 84 97 93 79 72 72 74 Wind dir W NW NW NW NW N N N NE NE E SE SE SE SE SE SE SE S S S S Wind spd 3 5 6 6 6 6 4 6 8 8 6 6 9 10 8 6 6 5 8 10 10 9 Clouds OV B2 SC FW FW CL FW FW FW SC SC SC SC SC SC B1 B2 B2 B2 B2 B2 B2 PoP 12hr 10 0 5 40 50 QPF 12hr 0 0 0 0.03 0.14 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C C C C C C C Tstms S S S C C C Heat index 83 86 88 83 81 85 82 86 94 96 92 Max heat 86 88 81 85 94 96 Date Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 Wed 07/03/24 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 93 64 81 60 85 66 92 Temp 79 79 93 86 72 66 78 77 63 66 84 81 68 71 90 88 Dewpt 76 77 75 70 61 57 56 56 56 58 59 60 61 64 67 68 PWind dir S W NW N N SE S S Wind char LT LT GN LT LT LT LT LT Avg clouds B2 B2 B1 SC FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 40 50 20 0 0 0 5 20 Rain shwrs C S C C S S Tstms C S S C S S $$ VAZ037-272000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 137 AM EDT Thu Jun 27 2024 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 68 88 71 89 Temp 71 73 82 87 89 84 77 73 69 70 79 84 87 82 77 74 73 74 80 85 86 84 Dewpt 68 69 67 64 62 63 62 61 59 59 59 61 62 63 65 65 67 69 71 72 73 72 RH 90 87 61 46 41 49 60 66 70 68 50 46 43 53 67 74 81 84 74 65 65 67 Wind dir S NW NE E E E N N N NE E E SE SE SE SE SE S S S S SW Wind spd 2 2 3 4 4 4 4 4 6 8 6 6 8 8 6 4 4 3 5 8 9 8 Clouds OV B2 B1 FW FW FW SC SC B1 SC SC B1 SC SC SC B1 B2 B2 B2 B2 B2 B1 PoP 12hr 20 5 10 40 50 QPF 12hr 0.04 0 0 0.05 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C C C C C C C C C Tstms S S S S S S S S C C C Heat index 85 88 89 85 84 87 83 83 91 93 90 Max heat 88 90 82 84 87 82 91 93 Date Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 Wed 07/03/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 95 66 84 61 87 66 94 Temp 79 78 95 88 75 67 82 78 63 65 86 82 68 70 93 89 Dewpt 73 74 72 69 63 57 54 53 54 56 56 58 59 62 65 65 PWind dir SW W NW N N SE S S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 SC FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 30 50 20 5 0 5 5 20 Rain shwrs C S C S S Tstms C C S S $$ MDZ003-272000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 137 AM EDT Thu Jun 27 2024 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 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 61 83 68 86 Temp 68 71 78 83 84 79 70 65 62 66 74 80 83 79 73 71 69 72 76 82 84 81 Dewpt 66 67 65 61 58 59 58 56 54 54 54 57 58 60 62 64 66 68 71 73 73 73 RH 93 87 64 47 41 50 66 73 75 65 50 45 43 52 68 79 90 87 85 74 70 77 Wind dir W NW NW NW NW NW N N N NE E SE SE SE SE SE SE SE S S S S Wind spd 4 4 6 8 9 6 6 6 6 6 6 6 9 9 9 8 8 5 8 9 10 8 Clouds OV SC FW FW CL FW FW FW SC SC FW FW FW SC SC B2 B2 B2 B2 B2 B2 B2 PoP 12hr 5 0 5 40 60 QPF 12hr 0 0 0 0.03 0.13 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C L L C Tstms S S C C C Heat index 83 84 80 83 87 90 86 Max heat 83 84 80 83 87 90 Date Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 Wed 07/03/24 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 60 79 58 84 65 91 Temp 77 78 89 84 65 64 77 76 61 64 82 79 68 70 88 86 Dewpt 74 75 71 65 58 55 54 54 54 56 57 58 59 62 67 67 PWind dir S W NW N NE SE SE S Wind char LT GN LT LT LT LT LT LT Avg clouds B2 B2 SC FW FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 50 30 5 0 0 5 5 20 Rain shwrs C S C C S Tstms C S S C S $$ MDZ017-272000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 137 AM EDT Thu Jun 27 2024 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 72 86 74 89 Temp 73 76 82 85 87 83 78 75 72 75 81 84 84 79 75 74 75 80 85 88 87 83 Dewpt 70 71 70 69 68 69 69 67 63 61 61 63 64 66 68 69 71 72 73 73 74 74 RH 90 85 67 59 53 63 74 76 73 62 51 49 51 64 79 84 87 77 67 61 65 74 Wind dir NW NW NW NE E S S N NE NE E E SE SE SE SE SE SE S SE S S Wind spd 6 5 6 8 5 5 5 6 11 12 12 11 13 11 11 10 10 9 10 12 13 12 Clouds OV OV B1 B2 FW FW FW SC FW SC SC SC SC FW SC B1 B1 B1 B1 B1 B2 B2 PoP 12hr 20 5 5 20 30 QPF 12hr 0 0 0 0.02 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C C S S S Tstms S S S S S Heat index 86 89 91 87 82 85 85 84 92 96 95 90 Max heat 89 91 83 85 86 84 96 97 Date Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 Wed 07/03/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 93 70 84 68 86 70 90 Temp 81 82 93 84 76 71 83 81 70 74 85 80 71 76 89 84 Dewpt 74 77 76 74 67 61 58 58 59 62 59 61 63 66 66 67 PWind dir S SW NW N NE E S S Wind char GN GN GN GN LT LT LT GN Avg clouds B2 B2 B2 B1 SC SC FW FW FW FW FW SC SC SC SC SC PoP 12hr 40 80 50 5 0 0 5 10 Rain shwrs S C C D C Tstms S C S C C $$ WVZ502-272000- Petersburg WV 38.99N 79.15W Elev. 963 ft 137 AM EDT Thu Jun 27 2024 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 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 86 66 87 Temp 67 68 78 84 85 78 67 62 58 63 75 83 85 79 71 69 67 70 79 84 86 81 Dewpt 65 66 63 59 59 61 60 59 57 58 60 62 62 63 65 65 66 68 71 73 73 73 RH 93 93 60 43 41 56 78 90 96 84 60 49 46 58 81 87 97 93 77 70 65 77 Wind dir N N N NW NW N N N N NE SE SE SE SE S S S S S S S S Wind spd 2 2 2 4 6 5 2 2 2 2 3 6 8 6 6 5 5 4 5 6 8 5 Clouds B2 SC FW FW CL CL FW FW SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B2 PoP 12hr 10 0 5 40 70 QPF 12hr 0 0 0 0.03 0.11 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C L L L Tstms S S S S C C C C Heat index 84 85 84 86 90 93 86 Max heat 84 85 84 86 90 93 Date Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 Wed 07/03/24 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 90 57 79 54 87 63 93 Temp 74 75 89 81 64 60 76 72 57 60 84 80 66 70 92 86 Dewpt 72 72 70 66 59 55 53 54 53 54 56 60 58 61 67 70 PWind dir SW W NW N SE SE S SW Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 FW FW FW FW FW FW FW FW SC SC SC SC B1 PoP 12hr 60 40 10 0 0 5 10 30 Rain shwrs L C C C S C Tstms C S S C C $$ MDZ014-272000- Annapolis MD 38.99N 76.49W Elev. 7 ft 137 AM EDT Thu Jun 27 2024 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 71 83 72 86 Temp 72 75 80 85 87 83 78 75 72 73 77 80 82 79 75 74 74 76 82 84 85 82 Dewpt 69 70 68 67 65 66 66 64 60 58 58 60 61 64 66 68 69 71 74 75 74 75 RH 90 84 67 55 48 57 67 69 66 59 52 51 49 60 74 82 84 85 77 74 70 79 Wind dir W NW N NE S S N N NE NE E E SE SE SE SE SE SE S S S S Wind spd 5 5 6 6 6 5 5 9 11 11 11 9 11 12 11 9 9 6 10 12 13 12 Clouds OV OV B2 FW CL FW FW SC FW SC FW FW FW SC SC B1 B1 B2 B2 B2 B1 B1 PoP 12hr 10 0 5 30 40 QPF 12hr 0 0 0 0.05 0.13 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C Tstms S C C C Heat index 83 88 89 85 81 83 88 92 93 89 Max heat 88 89 83 81 83 92 94 Date Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 Wed 07/03/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 91 69 83 68 84 71 88 Temp 81 80 90 84 76 69 80 79 69 70 82 80 72 75 87 84 Dewpt 76 76 75 73 65 60 58 58 61 61 61 61 65 66 68 69 PWind dir S SW NW N N E S S Wind char GN GN GN GN LT LT LT GN Avg clouds B1 B2 B1 SC FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 40 60 30 0 0 0 5 10 Rain shwrs C C C L C Tstms C C S C C $$