Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
997 FOUS51 KLWX 270838 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 437 AM EDT Thu Jun 27 2024 VAZ054-272000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 437 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 86 73 90 Temp 73 76 82 88 89 86 80 76 72 72 78 82 84 81 77 75 75 77 83 86 88 85 Dewpt 70 68 66 62 61 61 62 60 57 55 54 57 60 62 65 68 69 70 72 72 73 74 RH 90 76 58 42 39 43 54 58 59 55 43 43 44 53 67 79 82 79 70 63 61 70 Wind dir W NW NW NW NW N N NE NE NE E E SE SE SE SE SE SE S S S S Wind spd 5 8 8 9 9 9 8 10 10 10 10 9 10 12 10 9 8 10 11 11 12 12 Clouds OV OV B1 FW FW FW FW SC SC SC SC SC SC FW SC B2 B2 B2 B2 B2 B2 B2 PoP 12hr 5 0 0 30 50 QPF 12hr 0 0 0 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C C Tstms S S C C C Heat index 84 88 89 86 81 82 84 82 88 92 96 93 Max heat 88 90 84 82 84 81 92 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 80 93 70 83 68 87 71 92 Temp 81 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 B1 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 $$ MDZ013-272000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 437 AM EDT Thu Jun 27 2024 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 67 84 71 88 Temp 72 73 81 86 88 84 76 71 68 69 76 80 82 79 73 71 71 74 82 85 86 82 Dewpt 70 70 67 64 62 62 62 60 55 54 55 57 60 62 65 67 69 72 73 74 74 74 RH 93 90 63 48 42 48 62 68 63 59 48 45 47 56 76 87 93 93 74 70 68 77 Wind dir W NW NW NW NW NW N NE NE NE E E SE SE SE SE SE SE S S S S Wind spd 5 6 6 8 8 6 6 8 9 9 8 8 10 10 9 6 6 9 11 12 13 10 Clouds B2 B2 SC FW FW FW FW FW SC SC SC SC SC SC SC B2 B1 B2 B2 B2 B2 B2 PoP 12hr 5 0 0 30 50 QPF 12hr 0 0 0 0 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C Tstms S C C C Heat index 83 87 88 85 80 82 87 93 94 88 Max heat 87 89 82 80 83 93 94 Date Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 Wed 07/03/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 93 66 83 65 85 68 91 Temp 78 79 93 87 72 68 82 79 69 69 84 80 70 72 90 86 Dewpt 75 77 75 72 62 58 56 56 57 59 58 58 62 65 67 67 PWind dir S W NW N N E S S Wind char GN LT GN GN LT LT LT GN Avg clouds B2 B2 B1 SC FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 50 60 20 0 0 0 5 10 Rain shwrs C C C L S Tstms C C S C S $$ MDZ011-272000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 437 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 92 70 87 74 91 Temp 73 76 84 89 90 86 80 76 72 71 79 82 85 81 78 76 76 76 84 86 88 84 Dewpt 69 68 64 61 59 60 59 58 54 52 52 55 57 60 64 66 68 70 71 72 72 72 RH 87 76 51 39 35 42 49 54 53 51 39 40 39 49 62 71 76 82 65 63 59 67 Wind dir W NW NW NW NW NW N NE NE NE E SE SE SE SE SE SE SE S S S S Wind spd 4 6 6 8 8 6 6 8 8 8 8 8 10 10 9 6 6 9 11 12 13 12 Clouds OV B2 SC FW FW FW FW FW SC SC SC SC FW SC SC B2 B2 B2 B2 B2 B2 B2 PoP 12hr 5 0 0 30 60 QPF 12hr 0 0 0 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L L C Tstms S C C C Heat index 85 89 86 81 82 89 92 95 90 Max heat 89 91 84 81 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 82 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 $$ WVZ052-272000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 437 AM EDT Thu Jun 27 2024 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 58 82 66 84 Temp 68 70 78 84 85 80 70 63 60 65 72 79 82 79 72 69 68 72 76 80 83 81 Dewpt 65 65 62 60 56 57 57 56 54 54 52 55 57 60 62 65 65 67 68 70 71 70 RH 90 84 58 44 37 45 63 78 81 68 49 44 43 52 71 87 90 84 76 72 67 69 Wind dir W NW NW NW NW N N N N NE E SE SE SE SE SE SE SE S S S S Wind spd 5 8 9 9 10 8 6 5 5 5 6 8 10 9 10 9 9 9 11 11 11 9 Clouds B2 SC FW FW CL FW FW FW SC SC SC FW FW SC B1 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 0 0 0 40 60 QPF 12hr 0 0 0 0.02 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L L C Tstms S S C C C Heat index 84 80 82 83 88 85 Max heat 84 84 82 83 88 Date Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 Wed 07/03/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 91 60 78 56 83 62 90 Temp 74 76 90 84 66 65 75 74 59 65 81 79 64 70 88 87 Dewpt 71 72 68 63 57 54 52 52 54 54 55 56 58 61 64 65 PWind dir SW W NW N N SE SE S Wind char LT GN GN LT LT LT LT LT Avg clouds B2 B2 SC FW FW FW FW FW FW FW SC SC SC SC SC SC PoP 12hr 50 30 10 0 0 5 5 20 Rain shwrs C S C C S Tstms C S S C S $$ VAZ506-272000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 437 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 64 85 70 89 Temp 70 72 80 86 88 83 74 69 65 69 77 82 84 81 74 72 71 74 81 85 86 84 Dewpt 70 70 67 65 63 63 62 60 58 56 56 59 63 65 66 67 69 72 73 74 75 74 RH 100 93 65 50 43 51 66 73 78 63 48 46 49 58 76 84 93 93 77 70 70 72 Wind dir W NW NW NW NW N N N NE NE E SE SE SE SE SE SE S S S S S Wind spd 4 6 8 8 9 8 5 6 6 8 6 8 9 10 9 6 8 8 10 11 10 9 Clouds OV B1 SC FW FW CL FW FW SC SC SC SC SC SC SC B1 B2 B2 B2 B2 B2 B2 PoP 12hr 5 0 0 30 60 QPF 12hr 0 0 0 0.01 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L L C Tstms S S C C C Heat index 82 88 89 84 82 85 83 86 93 95 91 Max heat 88 89 82 85 93 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 75 93 64 81 60 85 66 92 Temp 78 79 93 86 72 66 78 77 63 66 84 81 68 71 90 88 Dewpt 75 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 50 50 20 0 0 0 5 20 Rain shwrs C S C C S S Tstms C S S C S S $$ VAZ037-272000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 437 AM EDT Thu Jun 27 2024 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 67 88 71 88 Temp 71 73 82 88 90 84 77 73 70 70 78 83 86 82 77 74 73 74 80 85 86 84 Dewpt 67 69 67 63 62 63 63 60 58 58 59 61 64 65 66 66 67 69 71 72 73 71 RH 87 87 61 43 39 49 62 64 66 66 52 47 48 56 69 76 81 84 74 65 65 65 Wind dir S NW N N NE E NE NE NE NE NE E SE SE SE SE SE S S S S S Wind spd 3 3 3 3 4 4 4 6 6 8 6 6 8 8 6 4 4 5 6 8 9 6 Clouds OV B2 B1 FW FW FW SC B1 B1 B1 B1 SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 PoP 12hr 20 5 5 40 60 QPF 12hr 0.01 0 0 0.02 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S C C C C L L C Tstms S S S S S S S S C C C Heat index 85 89 90 85 83 87 84 83 91 93 89 Max heat 89 90 82 83 87 82 91 93 Date Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 Wed 07/03/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 95 66 84 61 87 66 94 Temp 78 78 95 88 75 67 82 78 63 65 86 82 68 70 93 89 Dewpt 72 74 72 69 63 57 54 53 54 56 56 58 59 62 65 65 PWind dir SW W NW N N SE S S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B1 SC FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 30 50 20 5 0 5 5 20 Rain shwrs C S C S S Tstms C C S S $$ MDZ003-272000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 437 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 60 84 68 86 Temp 67 71 79 84 85 79 71 65 61 66 74 80 82 79 74 71 69 72 77 81 84 82 Dewpt 67 66 64 61 59 59 59 56 54 54 53 56 58 61 63 65 66 69 71 72 72 72 RH 100 84 60 46 41 50 66 73 78 65 48 44 44 54 69 81 90 90 82 74 67 72 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 5 6 8 10 10 8 6 6 6 6 6 6 9 9 9 8 9 9 11 12 12 9 Clouds B2 FW FW FW CL FW CL FW FW FW SC FW FW SC B1 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 0 0 0 30 70 QPF 12hr 0 0 0 0.02 0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L L C Tstms S S C C C C Heat index 84 85 80 82 85 90 87 Max heat 84 85 80 82 85 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 76 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 $$ MDZ017-272000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 437 AM EDT Thu Jun 27 2024 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 71 86 74 89 Temp 74 77 82 86 87 84 78 75 72 75 80 84 84 79 75 75 75 79 85 87 88 83 Dewpt 70 71 70 68 68 69 69 67 62 61 61 63 65 67 68 70 70 73 73 73 74 74 RH 87 82 67 55 53 61 74 76 71 62 52 49 53 67 79 84 84 82 67 63 63 74 Wind dir W W NW NE E S SW N NE NE E E SE SE SE SE SE SE S SE S S Wind spd 6 6 8 6 6 4 4 9 12 12 11 10 12 12 12 11 10 11 13 14 16 13 Clouds B2 OV B1 B1 FW FW FW FW SC SC SC SC SC FW SC B1 B1 B1 B1 B1 B1 B2 PoP 12hr 10 0 0 20 30 QPF 12hr 0 0 0 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C C C C C Tstms S C C C Heat index 86 89 91 88 81 85 86 92 94 97 90 Max heat 89 91 83 85 86 94 97 Date Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 Wed 07/03/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 93 70 84 68 86 70 90 Temp 80 82 93 84 76 71 83 81 70 74 85 80 71 76 89 84 Dewpt 74 77 76 74 67 61 58 58 59 62 59 61 63 66 66 67 PWind dir S SW NW N NE E S S Wind char GN GN GN GN LT LT LT GN Avg clouds B1 B2 B2 B1 SC SC FW FW FW FW FW SC SC SC SC SC PoP 12hr 40 80 50 5 0 0 5 10 Rain shwrs C C C D C Tstms C C S C C $$ WVZ502-272000- Petersburg WV 38.99N 79.15W Elev. 963 ft 437 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 87 66 87 Temp 66 67 78 84 85 78 66 62 58 62 75 82 85 79 71 69 67 70 79 84 86 81 Dewpt 64 66 64 60 59 61 61 59 57 58 59 62 64 65 66 67 66 68 71 72 73 72 RH 93 97 62 44 41 56 84 90 96 87 58 51 50 62 84 93 97 93 77 67 65 74 Wind dir NW N NW NW NW N N N N NE E SE SE SE S S S S S S S S Wind spd 2 2 4 6 6 4 2 2 2 2 2 6 9 6 5 5 5 5 6 8 8 6 Clouds B2 SC FW FW FW CL FW FW SC SC FW SC SC B1 B1 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 0 0 5 40 70 QPF 12hr 0 0 0 0.03 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L L L Tstms S S S C C C Heat index 84 85 83 86 90 93 85 Max heat 84 85 83 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 73 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 B1 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 $$ MDZ014-272000- Annapolis MD 38.99N 76.49W Elev. 7 ft 437 AM EDT Thu Jun 27 2024 Date Thu 06/27/24 Fri 06/28/24 Sat 06/29/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 70 83 72 86 Temp 72 75 80 84 86 84 78 75 72 72 76 80 82 79 75 74 74 77 82 83 85 82 Dewpt 70 70 68 67 65 66 66 63 59 56 58 59 61 65 66 68 70 71 74 74 73 75 RH 93 84 67 57 50 55 67 66 64 57 54 49 49 62 74 82 87 82 77 74 67 79 Wind dir W NW NW N W NW N N NE NE E E SE SE SE SE SE SE S S S S Wind spd 5 6 6 6 6 5 6 10 11 11 10 10 10 12 11 9 9 10 12 14 14 13 Clouds OV OV B2 FW FW FW CL FW SC SC SC SC FW SC SC B1 B1 B2 B1 B2 B1 B2 PoP 12hr 5 0 0 20 50 QPF 12hr 0 0 0 0 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C C Tstms S C C C Heat index 83 87 88 86 81 83 88 90 92 89 Max heat 87 89 84 81 83 90 92 Date Sun 06/30/24 Mon 07/01/24 Tue 07/02/24 Wed 07/03/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 91 69 83 68 84 71 88 Temp 80 80 90 84 76 69 80 79 69 70 82 80 72 75 87 84 Dewpt 76 76 75 73 65 60 58 58 61 61 61 61 65 66 68 69 PWind dir S SW NW N N E S S Wind char GN GN GN GN LT LT LT GN Avg clouds B2 B2 B1 SC FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 50 60 30 0 0 0 5 10 Rain shwrs C C C L C Tstms C C S C C $$