Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
179 FOUS51 KLWX 241137 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 737 AM EDT Fri May 24 2024 VAZ054-242000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 737 AM EDT Fri May 24 2024 Date Fri 05/24/24 Sat 05/25/24 Sun 05/26/24 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 68 85 68 87 Temp 71 77 80 81 78 73 71 69 71 79 82 83 78 73 71 69 71 79 84 84 79 Dewpt 66 65 64 65 65 66 66 65 66 66 64 64 65 65 65 65 67 66 65 65 66 RH 84 67 58 58 64 79 84 87 84 64 55 53 64 76 81 87 87 64 53 53 64 Wind dir N N E SE S S S NE E SE S SE S S S S S SE S SE SE Wind spd 3 3 3 3 4 2 2 2 2 4 5 5 5 4 4 3 4 5 5 6 8 Clouds B2 B2 B2 SC SC FW SC B1 SC B1 B1 B1 SC B1 B1 B1 SC SC SC SC SC PoP 12hr 30 10 30 20 20 QPF 12hr 0.09 0 0.04 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S C C S S S S S S C Tstms S S S S S S S S Heat index 82 83 83 84 86 86 Max heat 82 83 83 84 86 87 Date Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 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 82 66 82 63 76 57 73 Temp 70 69 79 80 72 67 79 77 67 64 74 70 60 59 71 70 Dewpt 66 66 69 68 64 61 57 56 56 56 53 51 49 49 46 46 PWind dir SE S W W W NW NW NW Wind char GN GN GN GN LT GN GN GN Avg clouds B1 B2 B2 B2 B1 SC SC SC SC SC SC SC SC FW FW FW PoP 12hr 50 70 50 30 20 30 20 10 Rain shwrs C C C L C S S C S S C S Tstms S S C C C S S S S S $$ MDZ013-242000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 737 AM EDT Fri May 24 2024 Date Fri 05/24/24 Sat 05/25/24 Sun 05/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 65 83 65 85 Temp 70 75 79 80 77 70 67 66 69 78 82 82 76 70 68 66 69 76 81 81 76 Dewpt 66 66 64 63 65 66 65 64 65 66 63 64 65 65 65 64 66 66 65 65 65 RH 87 74 60 56 67 87 93 93 87 67 53 55 69 84 90 93 90 71 58 58 69 Wind dir N N E SE S SW SW NW E SE S S S S S S S SE SE SE S Wind spd 2 2 3 3 2 2 1 1 2 3 5 5 3 2 2 2 2 3 5 5 4 Clouds B2 B2 B1 SC SC FW SC SC SC B1 B1 B1 SC B1 B2 B1 SC SC SC SC SC PoP 12hr 10 10 30 20 20 QPF 12hr 0.03 0 0.03 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S S S C Tstms S S S S S S Heat index 81 83 83 83 83 Max heat 82 83 84 83 84 Date Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 80 64 80 61 75 55 72 Temp 67 68 78 76 68 66 78 75 63 63 74 68 57 57 70 68 Dewpt 64 66 69 69 65 61 58 58 57 56 54 53 50 49 47 48 PWind dir SE S SW W W W NW NW Wind char LT GN LT GN LT GN LT LT Avg clouds B1 B2 B2 B2 B1 SC SC SC SC SC SC SC SC FW FW FW PoP 12hr 50 80 50 30 20 30 20 10 Rain shwrs C C C D C S S C S S C S Tstms S S C C C S S S S S $$ MDZ011-242000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 737 AM EDT Fri May 24 2024 Date Fri 05/24/24 Sat 05/25/24 Sun 05/26/24 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 89 71 89 Temp 73 81 84 85 81 77 74 72 72 84 85 86 82 77 73 72 71 82 85 85 81 Dewpt 64 62 62 62 63 65 64 64 64 64 62 62 63 65 65 65 65 65 65 64 65 RH 73 53 48 46 54 67 71 76 76 51 46 45 53 67 76 79 81 56 51 50 58 Wind dir N NE E E S SW SW N E SE SE S S S S S S SE SE SE S Wind spd 1 2 3 2 2 1 1 1 1 2 5 5 3 2 2 2 2 3 5 5 4 Clouds B2 B2 B1 SC FW FW SC SC SC B1 B1 B1 SC B1 B2 B1 SC SC SC SC SC PoP 12hr 10 10 30 20 20 QPF 12hr 0.04 0 0.03 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S S S C Tstms S S S S S S Heat index 82 85 86 82 85 86 86 83 84 87 86 83 Max heat 85 86 82 86 86 82 87 87 Date Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 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 70 85 69 85 66 80 60 77 Temp 74 70 82 81 74 69 82 79 70 66 77 74 64 60 74 73 Dewpt 64 65 67 67 64 59 57 56 55 54 52 52 49 48 45 46 PWind dir SE S W W W W NW NW Wind char LT GN LT GN LT LT LT LT Avg clouds B1 B2 B2 B2 B1 SC SC SC SC SC SC SC SC FW FW FW PoP 12hr 50 80 50 30 20 30 20 20 Rain shwrs C C C D C S S C S S C S S Tstms S S C C C S S S S S $$ WVZ052-242000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 737 AM EDT Fri May 24 2024 Date Fri 05/24/24 Sat 05/25/24 Sun 05/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 60 82 61 83 Temp 67 73 78 79 75 67 63 61 66 76 81 79 75 68 65 63 67 75 81 82 76 Dewpt 63 61 61 60 61 61 61 59 62 63 62 62 63 63 63 62 64 65 64 64 64 RH 87 66 56 52 62 81 93 93 87 64 53 56 66 84 93 97 90 71 56 55 66 Wind dir NW N NE NE S SW N N N S S S S S S SW N SE S SE S Wind spd 1 2 3 2 2 1 0 0 1 2 5 5 3 2 2 1 2 2 4 5 5 Clouds B2 B2 B1 SC FW FW SC B1 B1 B1 B1 SC SC B1 B1 SC SC SC FW SC SC PoP 12hr 20 10 40 30 30 QPF 12hr 0.05 0 0.24 0.10 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C C C Tstms S S S S S C C S Heat index 82 83 83 Max heat 82 82 83 83 Date Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 81 59 76 56 70 50 69 Temp 67 67 79 75 63 64 75 71 58 60 69 65 53 55 68 65 Dewpt 64 65 66 63 58 56 54 54 52 53 50 48 46 47 44 45 PWind dir SE S W W W W NW NW Wind char LT GN LT GN LT GN LT GN Avg clouds SC B2 B2 B1 SC SC FW SC FW SC SC SC FW FW FW FW PoP 12hr 60 80 50 30 20 40 20 20 Rain shwrs C L L D C S C C S C C S S Tstms S C C C C S S S S S $$ VAZ506-242000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 737 AM EDT Fri May 24 2024 Date Fri 05/24/24 Sat 05/25/24 Sun 05/26/24 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 81 64 83 64 85 Temp 69 76 79 81 77 70 67 65 69 79 82 82 78 72 68 67 69 78 83 84 78 Dewpt 66 66 64 65 66 66 65 64 66 66 65 64 66 65 65 65 67 67 66 66 66 RH 90 71 60 58 69 87 93 97 90 64 56 55 67 79 90 93 93 69 57 55 67 Wind dir N N NE SE S S S N NE S S S S S S S S SE S S SE Wind spd 2 2 3 2 2 2 1 1 1 2 4 4 3 2 2 2 2 3 4 4 4 Clouds B2 B2 SC SC FW FW SC B1 SC B1 B1 B1 SC B1 B1 SC SC SC SC SC SC PoP 12hr 30 10 30 20 30 QPF 12hr 0 0 0.09 0.07 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S C S S S S C C C Tstms S S S S C C S Heat index 83 84 83 85 86 Max heat 83 84 84 85 86 Date Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 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 82 62 80 58 74 53 71 Temp 70 68 80 78 67 66 78 75 62 62 72 69 56 57 70 68 Dewpt 66 67 69 69 63 61 57 58 56 56 54 52 48 50 47 49 PWind dir SE S W W W NW NW NW Wind char LT GN LT LT LT GN LT LT Avg clouds B1 B2 B2 B2 B1 SC FW SC SC SC SC SC SC FW FW FW PoP 12hr 50 80 50 30 20 30 20 10 Rain shwrs C C C D C S S C S S C S Tstms S S C C C S S S S S $$ VAZ037-242000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 737 AM EDT Fri May 24 2024 Date Fri 05/24/24 Sat 05/25/24 Sun 05/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 65 86 66 88 Temp 68 76 79 80 77 72 68 67 68 79 83 83 79 73 69 68 69 81 85 86 80 Dewpt 63 64 64 63 63 63 63 62 63 65 63 63 64 65 64 63 64 66 65 64 65 RH 84 66 60 56 62 73 84 84 84 62 51 51 60 76 84 84 84 60 51 48 60 Wind dir W E NE NE NE SW SW N N S S S S S W W NW SE S S SE Wind spd 1 2 2 2 2 1 1 1 1 2 3 4 2 2 1 1 1 2 3 4 3 Clouds OV OV B2 B2 B1 B1 SC B1 B1 SC B1 SC SC SC SC SC SC SC SC SC B1 PoP 12hr 60 10 40 20 30 QPF 12hr 0.09 0 0.15 0.04 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C S C S S S S C C C Tstms C S S S S C C S Heat index 81 84 84 83 87 87 82 Max heat 82 84 85 87 88 Date Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 86 64 84 60 78 55 76 Temp 72 69 83 81 69 67 82 77 64 63 76 71 58 57 74 71 Dewpt 65 66 67 65 60 58 54 54 52 53 49 48 47 47 44 46 PWind dir S SW W W W NW NW NW Wind char LT GN LT LT LT LT LT LT Avg clouds B1 B2 B2 B1 SC SC FW FW FW FW FW SC FW FW FW FW PoP 12hr 50 80 40 20 20 30 10 10 Rain shwrs C C C D C S S S S S C Tstms S S C C C S S S S $$ MDZ003-242000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 737 AM EDT Fri May 24 2024 Date Fri 05/24/24 Sat 05/25/24 Sun 05/26/24 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 81 62 83 63 84 Temp 68 74 80 81 77 69 65 63 68 78 82 81 76 70 67 65 69 76 81 82 77 Dewpt 63 62 61 60 62 63 61 61 63 65 63 62 64 65 64 63 65 66 65 64 65 RH 84 66 52 49 60 81 87 93 84 64 53 53 66 84 90 93 87 71 58 55 67 Wind dir N N N N S S S NE NW S S S S S S SE E SE S SE SE Wind spd 2 2 3 3 2 2 1 1 1 2 5 5 3 2 2 2 2 3 4 4 4 Clouds B2 B1 SC SC FW SC FW SC SC B1 B1 SC B1 B1 B1 SC SC SC SC SC SC PoP 12hr 10 10 30 30 30 QPF 12hr 0 0 0.16 0.10 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C Tstms S S S S S C C S Heat index 81 82 83 82 83 83 Max heat 81 82 83 83 83 84 Date Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 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 65 81 61 77 56 71 50 69 Temp 68 67 79 75 64 64 75 71 59 61 69 65 53 55 68 66 Dewpt 65 66 69 66 60 58 57 56 54 54 53 50 47 48 46 47 PWind dir SE S W W W W NW NW Wind char LT GN LT GN LT GN LT LT Avg clouds B1 B2 B2 B1 SC SC FW SC FW FW SC SC SC FW FW FW PoP 12hr 60 80 50 30 20 40 20 20 Rain shwrs C L L D C S C C S C C S S Tstms S C C C C S S S S S $$ MDZ017-242000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 737 AM EDT Fri May 24 2024 Date Fri 05/24/24 Sat 05/25/24 Sun 05/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 66 80 65 81 Temp 70 74 76 77 72 69 67 66 69 75 79 78 72 68 67 66 69 76 78 78 73 Dewpt 66 67 67 65 66 66 65 64 65 66 66 65 65 65 64 63 65 66 66 65 65 RH 87 79 74 67 81 90 93 93 87 74 64 64 79 90 90 90 87 71 67 64 76 Wind dir NW N NE SE SE S S NE E SE SE SE SE S S S S SE SE SE SE Wind spd 2 3 5 4 3 2 2 2 2 4 6 6 5 4 3 3 3 5 6 6 5 Clouds OV OV B2 B1 SC B1 SC B1 B1 B1 B1 B1 SC SC B1 B1 B1 SC SC SC SC PoP 12hr 40 10 30 20 10 QPF 12hr 0.22 0 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C S S S S C Tstms S S S S S S S Date Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 82 66 82 63 78 58 73 Temp 68 69 80 77 69 69 81 73 65 66 77 69 60 60 71 68 Dewpt 64 66 69 68 66 63 60 61 59 59 57 56 52 51 50 51 PWind dir SE S SW W W NW NW NW Wind char LT GN LT LT LT LT LT GN Avg clouds B1 B1 B2 B2 B1 SC FW SC SC SC SC SC SC FW FW FW PoP 12hr 40 60 50 20 20 20 20 10 Rain shwrs C C C L C S S S S S S Tstms S S C C C S S S S $$ WVZ502-242000- Petersburg WV 38.99N 79.15W Elev. 963 ft 737 AM EDT Fri May 24 2024 Date Fri 05/24/24 Sat 05/25/24 Sun 05/26/24 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 81 59 86 61 87 Temp 64 72 77 80 74 67 63 61 64 77 82 82 75 68 65 63 66 77 84 83 77 Dewpt 63 64 64 63 64 63 61 59 62 63 63 63 66 64 63 61 64 65 64 64 65 RH 97 76 64 56 71 87 93 93 93 62 53 53 74 87 93 93 93 67 51 53 67 Wind dir NW NE N NW SE S S SW S S SW S SW SW SW SW SW SE S S SE Wind spd 1 2 2 2 2 2 1 1 1 2 3 4 3 2 2 1 1 2 3 4 4 Clouds B2 B2 B1 B1 SC SC SC B1 SC SC SC B1 B1 B1 B1 SC SC SC FW SC B1 PoP 12hr 60 10 50 50 40 QPF 12hr 0.08 0.03 0.11 0.03 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C S C C C C C C C C Tstms C S S S S S S C C S Heat index 81 83 83 85 84 Max heat 82 83 84 85 86 Date Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 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 63 85 58 77 53 72 48 72 Temp 67 68 83 78 63 61 76 71 57 57 70 65 52 52 70 66 Dewpt 64 65 66 62 57 56 54 55 53 52 51 49 47 46 45 47 PWind dir S SW W W W W NW NW Wind char LT LT LT GN LT GN LT LT Avg clouds B1 B1 B2 SC SC SC FW FW SC SC SC SC SC SC FW FW PoP 12hr 60 80 40 40 20 40 20 20 Rain shwrs C L L D C S S C S C C S S Tstms S C C C C S S S S $$ MDZ014-242000- Annapolis MD 38.99N 76.49W Elev. 7 ft 737 AM EDT Fri May 24 2024 Date Fri 05/24/24 Sat 05/25/24 Sun 05/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 67 81 67 81 Temp 70 74 76 78 75 71 69 68 69 75 79 79 75 71 69 68 69 74 78 78 75 Dewpt 66 66 66 65 66 67 66 65 66 66 66 65 66 66 65 65 67 67 67 66 66 RH 87 76 71 64 74 87 90 90 90 74 64 62 74 84 87 90 93 79 69 67 74 Wind dir N N E S S S SW N NE SE S S S S S S S S SE S S Wind spd 1 2 4 4 2 1 1 1 1 3 6 5 4 2 2 2 2 4 6 6 5 Clouds OV B2 B2 SC SC SC SC B1 SC B1 B1 B1 SC SC B1 B1 B1 SC SC SC SC PoP 12hr 20 10 20 20 20 QPF 12hr 0.06 0 0.01 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S S S S C Tstms S S S S S Date Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 79 66 80 63 75 58 71 Temp 69 68 76 77 71 67 77 75 67 64 72 70 61 59 69 69 Dewpt 65 66 69 68 66 61 59 59 58 57 56 55 52 50 50 50 PWind dir SE S SW W W W NW NW Wind char LT GN LT GN LT GN LT GN Avg clouds SC B2 B2 B2 B1 SC SC SC SC SC SC SC SC FW FW FW PoP 12hr 40 70 50 30 20 30 20 10 Rain shwrs C C C L C S S C S S C S Tstms S S C C C S S S S S $$