Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
575 FOUS51 KLWX 240538 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 137 AM EDT Fri May 24 2024 VAZ054-242000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 137 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 83 67 85 Temp 70 71 78 82 83 78 73 69 69 71 76 79 81 76 72 69 67 70 78 83 84 78 Dewpt 65 65 63 62 62 64 65 65 64 66 66 65 65 65 64 64 64 65 66 65 65 65 RH 84 81 60 51 49 62 76 87 84 84 71 62 58 69 76 84 90 84 67 55 53 64 Wind dir N N N S SW SE S S SE SE SE SE SE SE SE W S S SE S SE SE Wind spd 3 3 3 3 4 4 2 2 2 2 5 6 6 5 4 4 3 4 4 4 6 6 Clouds B2 B1 SC B1 SC FW SC SC B1 B1 B2 B2 B1 SC SC SC SC SC SC SC B1 B1 PoP 12hr 20 20 40 40 20 QPF 12hr 0 0 0.11 0.03 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S S C C C C C C S S C Tstms S S S S C C C S S S C Heat index 83 84 83 85 86 Max heat 83 84 83 85 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 68 83 67 81 63 77 59 73 Temp 70 70 81 77 69 69 79 74 65 65 76 70 61 61 71 70 Dewpt 65 66 67 66 64 61 57 56 55 55 51 51 50 50 48 49 PWind dir SE S SW W W W NW NW Wind char LT GN LT GN LT GN LT GN Avg clouds B1 B2 B2 B2 B1 SC SC SC SC SC SC SC SC FW FW SC PoP 12hr 50 70 50 40 30 30 10 10 Rain shwrs C C C L C S S C C S C Tstms C C C C C S S S $$ MDZ013-242000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 137 AM EDT Fri May 24 2024 Date Fri 05/24/24 Sat 05/25/24 Sun 05/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 64 81 64 84 Temp 67 69 76 81 82 76 70 67 65 68 76 78 79 75 69 67 64 67 76 83 82 76 Dewpt 64 65 63 61 61 64 65 64 63 65 66 64 64 65 65 63 62 64 66 65 65 65 RH 90 87 64 51 49 66 84 90 93 90 71 62 60 71 87 87 93 90 71 55 56 69 Wind dir W N NE SE SE S S SW N E SE SE SE S SE W S S SE S SE S Wind spd 2 3 3 4 4 3 2 1 1 2 3 6 6 4 2 2 2 2 3 4 5 4 Clouds B2 B1 SC SC FW FW SC SC B1 B1 B1 B2 B1 B1 SC SC SC SC SC SC SC B1 PoP 12hr 10 5 40 40 20 QPF 12hr 0 0 0.11 0.04 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C S S C Tstms S S C C C S S C Heat index 82 83 85 84 Max heat 82 83 85 86 Date Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 80 64 79 61 76 55 71 Temp 67 67 78 75 67 66 77 73 63 63 74 69 59 58 69 68 Dewpt 64 66 68 68 64 61 59 58 56 56 53 52 50 50 49 51 PWind dir SE S SW W W W NW NW Wind char LT GN LT GN LT GN LT LT Avg clouds B1 B2 B2 B2 B1 SC SC SC SC SC SC SC SC FW SC SC PoP 12hr 40 70 60 40 30 30 10 20 Rain shwrs C C C L L S C C C S S C S Tstms C C C C C S S $$ MDZ011-242000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 137 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 88 71 86 70 89 Temp 73 75 82 86 87 79 77 72 72 74 81 83 84 77 74 72 70 73 82 87 88 80 Dewpt 64 63 61 59 60 62 63 63 63 63 64 63 63 63 64 63 63 63 64 64 64 63 RH 73 66 49 40 40 56 62 73 73 69 56 51 49 62 71 73 78 71 55 46 45 56 Wind dir NW N NE SE E S S SW N E SE SE SE S SE W S S SE S SE SE Wind spd 2 3 3 3 3 3 1 1 1 1 3 6 5 3 2 2 2 2 2 4 4 3 Clouds B2 SC SC SC FW FW SC SC B1 B1 B1 B2 B1 B1 SC SC SC SC SC SC B1 B1 PoP 12hr 10 5 40 40 20 QPF 12hr 0 0 0.10 0.06 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C S S C Tstms S S C C C S S S C Heat index 83 87 83 84 85 83 88 89 81 Max heat 85 87 82 84 85 88 89 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 71 85 69 84 65 81 61 77 Temp 71 74 82 77 72 71 82 75 68 69 79 73 63 64 75 70 Dewpt 64 65 67 66 62 59 56 56 55 54 51 51 49 49 48 49 PWind dir SE S SW W W W NW NW Wind char LT GN LT LT LT GN LT LT Avg clouds B1 B2 B2 B2 B1 SC SC SC SC SC SC SC SC FW SC SC PoP 12hr 50 70 60 40 30 30 10 20 Rain shwrs C C C L L C C C C S S C S Tstms C C C C C C S $$ WVZ052-242000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 137 AM EDT Fri May 24 2024 Date Fri 05/24/24 Sat 05/25/24 Sun 05/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 60 80 61 83 Temp 63 66 74 78 80 76 67 64 61 65 74 77 78 74 66 63 61 65 74 80 82 77 Dewpt 61 62 60 59 58 61 61 60 59 62 63 63 62 63 63 62 61 63 64 63 63 63 RH 93 87 62 52 47 60 81 87 93 90 69 62 58 69 90 97100 93 71 56 53 62 Wind dir NW N N N SE SE S SW N NE SE SE S S S SW SW S SE SE SE SE Wind spd 2 3 3 3 3 2 1 1 0 1 3 6 6 3 2 2 1 2 2 4 5 5 Clouds B1 SC SC FW FW FW SC SC B1 B1 B1 B1 B1 SC SC SC B1 SC SC SC SC B1 PoP 12hr 10 20 60 30 30 QPF 12hr 0 0 0.17 0 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L L C C C C C Tstms S S C C C S C C C Obvis PF PF Heat index 81 81 83 Max heat 81 81 83 Date Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 80 60 75 55 71 51 70 Temp 65 66 77 75 64 63 73 70 58 59 69 67 54 55 68 67 Dewpt 62 64 66 63 59 57 54 52 51 52 49 47 47 48 46 47 PWind dir SE S SW W W W NW NW Wind char LT GN LT GN LT GN LT GN Avg clouds B1 B2 B2 B1 SC SC SC SC SC SC SC SC FW FW SC FW PoP 12hr 60 80 50 40 30 30 10 20 Rain shwrs C L L D C S C C C C C S S Tstms C C C C C S S S S $$ VAZ506-242000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 137 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 64 81 64 85 Temp 66 69 76 81 82 77 70 67 65 69 76 78 80 76 69 67 64 68 77 83 84 78 Dewpt 65 66 64 62 62 64 64 65 64 67 66 65 64 65 65 64 64 65 67 66 66 66 RH 97 90 66 53 51 64 81 93 97 93 71 64 58 69 87 90100 90 71 57 55 67 Wind dir NW NW N N N E S SW NE SE SE S S S SE W S S SE S SE SE Wind spd 2 2 3 4 3 3 2 1 1 2 3 5 5 3 2 2 2 2 3 4 4 4 Clouds B1 B1 B1 SC FW FW SC B1 B1 B1 B1 B1 B1 SC SC SC B1 SC SC SC B1 B1 PoP 12hr 20 20 50 40 30 QPF 12hr 0 0 0.15 0.01 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C C C C C C C C C Tstms S S S C C C C S S C C Obvis PF PF Heat index 82 83 82 85 86 Max heat 82 84 82 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 65 81 63 78 58 74 54 71 Temp 67 67 79 77 67 66 77 72 62 62 73 69 56 58 69 68 Dewpt 65 66 69 68 63 61 58 58 55 56 52 52 49 51 48 51 PWind dir SE S W W W W NW NW Wind char LT LT LT GN LT GN LT LT Avg clouds B1 B2 B2 B2 B1 SC SC SC SC SC SC SC SC FW FW SC PoP 12hr 50 80 50 40 30 30 10 20 Rain shwrs C C C D C S C C C S C S Tstms C C C C C S S S S $$ VAZ037-242000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 137 AM EDT Fri May 24 2024 Date Fri 05/24/24 Sat 05/25/24 Sun 05/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 66 84 65 88 Temp 68 71 78 82 82 77 72 68 68 70 78 82 81 76 71 68 65 69 80 85 87 80 Dewpt 62 63 64 62 63 64 64 63 62 64 65 63 63 63 63 63 62 63 65 64 64 64 RH 81 76 62 51 53 64 76 84 81 81 64 53 54 64 76 84 90 81 60 50 46 58 Wind dir W N E E E S SW W W NW SW S SW S NW W W SW SE S S SE Wind spd 1 2 2 3 3 3 1 1 1 1 3 4 4 3 2 2 1 1 2 4 5 4 Clouds B2 SC SC SC SC SC B1 B1 B2 B1 B1 B1 SC SC SC SC B1 SC SC SC B1 B2 PoP 12hr 30 30 50 30 30 QPF 12hr 0.05 0 0.13 0.01 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C C C S S S C C C C C C C C C Tstms S S S S S S C C C C S C C C Obvis PF PF Heat index 83 83 83 82 82 86 88 82 Max heat 83 84 83 83 86 88 Date Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 87 64 82 59 79 54 77 Temp 70 70 84 80 68 68 80 75 62 64 77 71 58 60 75 71 Dewpt 64 64 66 64 59 57 54 53 52 52 49 48 48 48 46 48 PWind dir S S SW W W W NW NW Wind char LT LT LT LT LT GN LT LT Avg clouds B2 B2 B2 B1 SC SC SC SC FW FW FW SC FW FW FW FW PoP 12hr 50 80 40 40 20 20 10 10 Rain shwrs C C C D C S C C S S S Tstms C C C C C S S S S $$ MDZ003-242000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 137 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 81 63 83 Temp 64 67 75 80 81 76 68 64 63 67 75 79 79 75 68 65 63 66 75 81 82 77 Dewpt 61 63 61 59 58 61 61 60 59 62 64 64 63 64 64 62 62 64 65 65 64 65 RH 90 87 62 49 46 60 78 87 87 84 69 60 58 69 87 90 97 93 71 58 55 67 Wind dir N N N NW SW SE SE SE NE NE SE S S S S SW S NE SE S SE SE Wind spd 2 2 3 3 3 3 2 1 1 2 4 6 5 3 2 2 2 2 3 4 4 4 Clouds B2 B1 SC FW FW FW SC SC SC B1 B1 B1 SC B1 B1 SC B1 SC SC SC SC B1 PoP 12hr 10 10 50 30 30 QPF 12hr 0 0 0.13 0.03 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C C C C Tstms S C C C S S C C Obvis PF Heat index 81 81 83 83 Max heat 81 81 82 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 64 79 62 74 56 71 51 69 Temp 66 66 77 75 64 64 73 69 59 60 70 65 54 56 67 66 Dewpt 64 65 68 66 61 59 57 55 53 53 51 50 48 49 48 49 PWind dir SE S SW W W W NW NW Wind char LT LT LT GN LT GN LT LT Avg clouds B1 B2 B2 B2 SC SC B1 SC SC SC SC SC FW FW SC SC PoP 12hr 50 80 50 50 20 40 10 20 Rain shwrs C C L D C S C C S C C S S Tstms C C C C C S S S S $$ MDZ017-242000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 137 AM EDT Fri May 24 2024 Date Fri 05/24/24 Sat 05/25/24 Sun 05/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 65 78 64 81 Temp 67 69 75 78 78 72 68 67 65 68 74 76 76 71 67 66 64 67 76 80 78 72 Dewpt 65 65 66 65 64 65 64 64 63 64 66 66 64 63 63 62 62 63 65 65 64 63 RH 93 87 74 64 62 79 87 90 93 87 76 71 66 76 87 87 93 87 69 60 62 73 Wind dir S NW NE E SE SE S S SE SE S SE SE SE SE SW S S SE SE SE SE Wind spd 3 3 4 5 5 4 3 2 2 2 4 6 6 5 4 4 3 3 4 6 6 6 Clouds B2 B1 SC SC FW FW SC B1 B2 B2 B1 B2 B1 SC SC SC B1 B1 SC SC SC B1 PoP 12hr 30 20 40 40 10 QPF 12hr 0.10 0 0.03 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C S S S S C C C C C C C Tstms S C S S S S C S C S C Heat index 82 Max heat 82 82 Date Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 81 67 81 63 79 57 73 Temp 67 68 79 75 69 69 79 74 65 65 77 71 60 60 71 68 Dewpt 62 66 68 66 65 63 61 60 57 58 55 56 52 51 50 53 PWind dir SE S SW W W W NW NW Wind char LT GN LT GN LT GN LT LT Avg clouds B1 B2 B2 B2 B1 SC SC SC SC SC FW SC SC FW FW FW PoP 12hr 40 60 50 30 20 20 10 10 Rain shwrs C C C L C S S C S S Tstms C C C C C S S $$ WVZ502-242000- Petersburg WV 38.99N 79.15W Elev. 963 ft 137 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 59 83 60 87 Temp 62 64 73 78 81 75 67 64 61 64 74 80 81 75 67 64 61 65 79 86 83 76 Dewpt 61 62 63 62 62 64 63 61 59 62 65 64 64 65 63 61 61 63 65 63 64 64 RH 97 93 71 58 53 69 87 90 93 93 74 58 56 71 87 90100 93 62 46 53 66 Wind dir SW W NE N N NE SW SW SW SW SW S W S SW W W SW SE S S S Wind spd 1 1 2 2 2 2 2 2 1 1 2 3 4 3 2 2 1 1 2 3 4 3 Clouds B1 SC SC SC SC SC B1 B1 B1 B1 B1 SC SC SC B1 SC SC SC SC SC B1 B2 PoP 12hr 40 20 60 30 40 QPF 12hr 0.05 0 0.07 0 0.20 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C S S C C L L C C C C L Tstms S S S S S C C C S C C C Obvis PF PF Heat index 82 82 83 87 84 Max heat 82 82 83 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 63 85 59 75 54 72 49 71 Temp 66 67 83 77 63 61 73 69 57 57 70 65 52 52 69 66 Dewpt 63 65 65 63 58 56 55 53 52 51 51 49 48 47 46 48 PWind dir S SW W W W W W NW Wind char LT LT LT GN LT GN LT LT Avg clouds B2 B1 B2 SC SC B1 B1 SC SC SC SC SC FW SC SC FW PoP 12hr 60 80 50 50 30 40 10 20 Rain shwrs L C L D C S C C C C C S Tstms C C C C C S S S S $$ MDZ014-242000- Annapolis MD 38.99N 76.49W Elev. 7 ft 137 AM EDT Fri May 24 2024 Date Fri 05/24/24 Sat 05/25/24 Sun 05/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 67 78 66 81 Temp 69 71 74 77 79 75 71 68 68 70 74 75 76 73 70 69 66 68 74 78 80 75 Dewpt 66 65 64 64 63 64 66 64 64 66 66 67 66 66 65 64 64 65 66 66 65 65 RH 90 81 71 64 58 69 84 87 87 87 76 76 71 79 84 84 93 90 76 67 60 71 Wind dir NW N NE E SE S S S S E SE S SE S SE SW S S SE S SE S Wind spd 2 3 3 5 5 3 1 1 1 1 4 6 6 5 3 2 2 2 3 5 6 5 Clouds B2 B1 SC SC FW FW SC SC B1 B1 B1 B2 B1 SC SC SC SC SC SC SC SC B1 PoP 12hr 20 10 30 40 20 QPF 12hr 0 0 0.05 0.04 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S C C C C S S C Tstms S S S C C C S S C Heat index 82 Max heat 82 Date Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 79 67 78 63 76 59 71 Temp 69 70 76 75 70 68 75 73 65 65 74 70 61 61 69 69 Dewpt 65 66 68 67 64 61 60 59 57 57 55 54 52 51 51 53 PWind dir SE S SW W W W NW NW Wind char LT GN LT GN LT GN LT LT Avg clouds B1 B2 B2 B2 B1 SC SC SC SC SC SC SC SC FW FW SC PoP 12hr 40 70 60 40 30 30 10 20 Rain shwrs C C C L L S C C C S S C S Tstms C C C C C S S $$