Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
457 FOUS51 KLWX 221103 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 703 AM EDT Wed May 22 2024 VAZ054-222000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 703 AM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 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 84 67 85 Temp 67 79 86 86 81 76 73 72 74 80 82 79 75 71 70 67 70 77 82 83 79 Dewpt 63 64 65 65 68 67 66 65 66 66 67 66 66 66 67 65 65 64 64 64 66 RH 87 60 50 50 65 74 79 79 76 62 61 64 74 84 90 93 84 64 55 53 64 Wind dir S S S S S S S SW SW NW W SW S W W W NW NW W SW S Wind spd 6 8 9 10 8 6 5 4 4 5 6 8 6 4 4 4 6 6 5 4 5 Clouds FW FW SC B1 B1 SC B1 B1 B1 B2 B2 OV B2 B2 B2 B1 SC SC SC SC SC PoP 12hr 20 50 70 70 30 QPF 12hr 0 0.08 0.46 0.20 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C S C S C L L L C C C S S C C C Tstms S S S S C C L L C S S S Heat index 88 88 84 82 85 83 84 Max heat 88 88 85 83 83 84 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 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 82 67 84 68 84 66 79 Temp 70 70 80 78 69 69 82 78 70 68 80 77 69 67 77 73 Dewpt 65 67 65 64 64 64 63 64 64 66 65 65 63 59 60 57 PWind dir S SE SW SE SE SW W W Wind char LT LT LT LT LT GN LT GN Avg clouds SC OV B1 B1 SC SC SC B1 B2 B2 B2 B1 SC SC B1 B1 PoP 12hr 40 50 30 30 50 70 40 40 Rain shwrs C C C C C C C C C C L L C C C C Tstms S S C C C S C C C C C C S S $$ MDZ013-222000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 703 AM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 68 85 66 85 Temp 64 79 86 85 79 74 71 69 73 80 82 80 74 70 68 66 69 77 83 82 78 Dewpt 62 64 65 66 66 66 65 65 67 67 67 66 67 67 66 65 65 63 63 63 66 RH 93 60 50 53 64 76 81 87 81 65 61 62 79 90 93 97 87 62 51 53 67 Wind dir SW S S S S S S SW W W W W S SW W W NW NW NW W S Wind spd 5 6 9 11 8 5 4 2 3 4 6 6 5 5 3 3 4 5 5 3 4 Clouds SC FW SC B1 SC B1 B1 B2 B1 B2 B2 B2 B2 OV B2 B1 SC SC SC SC SC PoP 12hr 20 40 70 60 30 QPF 12hr 0.03 0.14 0.40 0.28 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C S C L L L C C C C C C C S Tstms S C S C C C L C S S Heat index 88 87 82 85 82 84 83 Max heat 88 88 85 84 84 84 Coast Flood Y Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 80 64 82 64 82 63 78 Temp 69 68 78 76 66 66 80 75 66 66 77 75 65 65 76 71 Dewpt 64 67 65 66 63 63 63 64 64 65 65 66 63 59 60 58 PWind dir S S SW SE SE SW W W Wind char LT LT LT LT LT LT LT LT Avg clouds SC OV B2 B1 B1 B1 SC B1 B2 B2 B2 B1 SC B1 B1 B1 PoP 12hr 30 50 30 30 50 70 40 40 Rain shwrs S C C C C C C C C C L L C C C C Tstms S S C C C S S C C C C C S S $$ MDZ011-222000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 703 AM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 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 87 69 87 Temp 70 81 87 87 81 77 74 73 74 82 83 82 78 73 71 69 71 79 84 84 80 Dewpt 62 64 64 65 65 66 66 66 66 67 67 66 67 67 66 65 64 63 63 64 66 RH 76 56 46 48 58 69 76 79 76 61 59 58 69 81 84 87 79 58 49 51 62 Wind dir S S S S S S S SW SW W W SW S SW W W NW NW W SW S Wind spd 4 6 9 11 8 5 3 2 3 4 5 5 5 5 3 3 4 3 3 3 4 Clouds SC FW SC B1 SC B1 B1 B2 B1 OV B2 B2 B2 OV B2 B1 SC SC SC SC SC PoP 12hr 20 50 70 60 30 QPF 12hr 0.02 0.19 0.37 0.27 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C L L L C C C C C C C S Tstms S C S C C C L C S S S Heat index 83 88 89 83 85 86 84 85 85 82 Max heat 88 90 86 86 85 85 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 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 85 69 87 69 86 68 82 Temp 71 69 82 81 72 69 84 81 73 69 82 80 72 68 80 76 Dewpt 64 65 65 64 63 63 62 63 63 64 63 64 63 57 59 57 PWind dir S S SW SE SE SW W W Wind char LT LT LT LT LT LT LT LT Avg clouds SC OV B2 B1 B1 B1 SC B1 B2 B2 B2 B1 SC B1 B1 B1 PoP 12hr 30 60 30 30 50 70 40 40 Rain shwrs S C L L C C C C C C L L C C C C Tstms S S C C C S C C C C C S S $$ WVZ052-222000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 703 AM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 65 80 61 83 Temp 64 79 85 84 77 71 68 66 69 75 78 77 71 66 63 62 66 75 81 81 75 Dewpt 62 66 66 67 68 65 64 63 65 67 66 66 64 63 61 60 63 62 62 62 65 RH 93 64 53 57 74 81 87 90 87 76 67 69 79 90 93 93 90 64 53 53 71 Wind dir S S S S S S SW SW W NW W SW W W W W W NW NW SW S Wind spd 3 4 5 9 5 4 3 2 3 4 4 5 5 3 2 3 4 4 4 4 4 Clouds FW FW B1 B1 B2 B1 B1 B2 OV B2 OV OV OV B2 B2 B1 SC SC SC SC SC PoP 12hr 50 50 80 50 40 QPF 12hr 0.10 0.23 0.25 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C S S C C L D L C C C C C C C C C Tstms S S C S C C L C S S C C Obvis PF PF PF PF Heat index 87 87 82 82 Max heat 87 87 82 82 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 80 60 81 62 79 59 74 Temp 65 67 78 75 63 65 79 74 64 66 77 74 62 63 72 68 Dewpt 62 64 64 63 61 62 62 63 62 63 62 62 59 57 57 56 PWind dir S S SW SE SE SW SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC B2 B1 B1 SC SC SC B1 B1 B2 B2 B1 SC SC SC B1 PoP 12hr 40 60 30 40 50 70 30 40 Rain shwrs C C L L C C C C C C L L C C C C Tstms C S C C C C C C C S C C S S $$ VAZ506-222000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 703 AM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 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 68 82 64 84 Temp 67 79 86 86 80 75 72 69 71 78 80 78 73 68 66 64 68 76 81 82 77 Dewpt 62 65 65 65 68 67 66 66 67 68 67 67 67 66 64 63 64 65 65 64 67 RH 84 62 50 50 67 76 81 90 87 71 65 69 81 93 93 97 87 69 58 55 71 Wind dir S S S S S S S SW W NW W W SW W W W NW NW NW W S Wind spd 6 6 6 9 6 6 5 3 3 5 5 6 5 3 4 4 5 5 4 3 4 Clouds FW SC SC B1 B1 B1 B1 B2 B2 B2 OV OV B2 B2 B2 B1 SC SC SC SC SC PoP 12hr 30 40 80 60 40 QPF 12hr 0 0.09 0.42 0.10 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S C C C D L L C C C S S C C C Tstms S C S C C C L L S C C Obvis PF PF PF Heat index 88 88 83 82 83 83 Max heat 88 89 82 82 83 83 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 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 82 64 83 65 82 63 77 Temp 68 68 80 77 66 67 81 77 67 67 79 75 65 65 75 71 Dewpt 64 67 66 66 64 65 65 66 64 65 65 66 63 60 60 58 PWind dir S S SW S SE S W W Wind char LT LT LT LT LT LT LT LT Avg clouds SC OV B1 B1 SC SC SC B1 B2 B2 B2 B1 SC SC SC B1 PoP 12hr 40 50 30 40 50 70 40 40 Rain shwrs C C C C C C C C C C L L C C C C Tstms C S C C C C C C C S C C S S $$ VAZ037-222000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 703 AM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 68 84 64 85 Temp 68 81 87 86 81 75 71 69 71 79 82 77 73 68 66 65 66 77 82 82 76 Dewpt 62 66 66 67 67 65 65 64 66 66 65 65 64 64 63 60 61 62 62 63 65 RH 81 60 50 53 63 71 81 84 84 64 56 67 73 87 90 84 84 60 51 53 69 Wind dir S S S S S SW S SW SW W SW SW S SW W W W W S S S Wind spd 4 6 8 8 5 4 3 3 2 3 4 5 5 2 2 3 2 3 4 4 4 Clouds FW SC B1 B1 B1 B1 B1 SC B1 B2 OV OV B2 B1 B2 B1 SC SC SC B1 B1 PoP 12hr 40 50 80 60 50 QPF 12hr 0.01 0.01 0.22 0.05 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S S C C D L L C S S S S C C C Tstms S S C C S C L L L S C C C Obvis PF PF PF PF Heat index 83 89 89 83 84 83 83 Max heat 89 90 84 83 83 84 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 86 65 86 67 85 65 81 Temp 67 67 83 79 68 68 84 79 70 68 82 79 68 67 79 74 Dewpt 64 64 64 64 62 63 63 64 64 64 62 63 60 59 57 57 PWind dir SW S W SE S SW W SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B1 SC SC SC SC B1 B2 B2 B1 SC SC SC SC SC PoP 12hr 40 50 30 50 50 60 30 40 Rain shwrs C C C C C C C C C C L L C C C C Tstms C S S C C C C C C S C C S C $$ MDZ003-222000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 703 AM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 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 67 81 62 83 Temp 66 79 85 85 79 73 70 68 70 75 79 78 73 68 65 63 66 75 80 81 76 Dewpt 62 65 65 66 66 66 65 64 65 67 67 66 65 63 61 60 63 63 62 61 65 RH 87 62 51 53 64 79 84 87 84 76 67 67 76 84 87 90 90 66 54 51 69 Wind dir S S SW S S S S S SW W W W W W SW W W NW W SW S Wind spd 5 5 8 9 6 4 3 3 3 4 4 4 4 3 3 3 4 5 5 4 4 Clouds FW FW B1 B1 B2 B1 B2 B2 OV OV B2 B2 OV B2 B1 B1 SC SC SC SC SC PoP 12hr 50 50 80 50 40 QPF 12hr 0.17 0.19 0.22 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S C C L D L C C C C C C C C S Tstms S C S C C L C S S C S Obvis PF PF PF PF Heat index 87 87 81 82 Max heat 87 88 81 82 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 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 62 81 64 79 60 74 Temp 67 67 79 76 65 65 79 75 66 66 77 74 64 63 73 69 Dewpt 62 65 65 65 62 63 63 64 63 64 65 64 60 59 58 57 PWind dir S S S S SE S SW W Wind char LT LT LT LT LT LT LT LT Avg clouds SC B2 B2 B1 SC SC SC B1 B2 B2 B2 B1 SC SC SC SC PoP 12hr 40 60 30 40 50 70 40 40 Rain shwrs S C L L C C C C C C L L C C C C Tstms S S C C C C C C C S C C S S $$ MDZ017-222000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 703 AM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 69 84 67 83 Temp 65 78 81 81 75 73 71 70 72 79 81 79 73 69 68 67 69 76 80 79 74 Dewpt 63 65 65 65 64 64 64 63 64 67 68 68 66 66 66 65 66 66 66 65 65 RH 93 64 58 58 69 73 79 78 76 67 65 69 79 90 93 93 90 71 62 62 74 Wind dir S S S SE S S S S SW SW SE SE S S SW W W N NE SE S Wind spd 6 8 10 11 11 9 9 6 6 4 6 6 6 5 4 5 5 3 5 5 5 Clouds SC FW SC B1 SC B1 SC SC B1 SC B2 B1 B2 OV OV B2 B1 B1 SC SC SC PoP 12hr 0 30 60 70 30 QPF 12hr 0 0.04 0.48 0.40 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L L L C C C C C C C Tstms C C C L C S S S Obvis PF PF Heat index 83 83 84 82 Max heat 83 84 84 84 82 82 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 80 65 80 66 83 66 79 Temp 68 69 78 73 67 67 79 72 67 68 79 75 68 68 77 71 Dewpt 64 65 66 64 63 63 65 64 63 65 66 66 63 60 62 61 PWind dir S S S SE S S SW W Wind char LT LT LT LT LT GN LT GN Avg clouds SC B2 B1 B1 SC B1 SC SC B2 B2 B2 B1 SC SC SC B1 PoP 12hr 40 50 30 30 50 60 40 40 Rain shwrs C C C C C C C C C C L L C C C C Tstms S S C C C S C C C C C S C $$ WVZ502-222000- Petersburg WV 38.99N 79.15W Elev. 963 ft 703 AM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 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 63 81 60 84 Temp 66 81 86 86 78 70 67 64 67 74 78 77 71 65 62 60 63 73 81 80 74 Dewpt 62 63 62 63 66 64 62 61 64 63 63 64 64 61 59 57 60 60 60 61 63 RH 87 54 45 46 67 81 84 90 90 69 60 64 79 87 90 90 90 64 49 52 69 Wind dir S SW SW SW S S SW S SW SW SW SW W S SW W SW NE S S SW Wind spd 3 5 5 6 4 2 3 3 2 3 3 4 3 2 2 2 2 2 3 3 2 Clouds FW SC B1 B1 B1 B1 B1 B2 OV OV OV B2 B2 B2 B1 B1 SC SC SC B1 B1 PoP 12hr 40 40 90 50 50 QPF 12hr 0.02 0.04 0.29 0.02 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C C L D L C C S S S S C C C Tstms C S S C L C C S C C C Obvis PF PF PF Heat index 82 86 87 82 81 Max heat 86 88 82 82 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 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 62 85 60 85 63 83 59 77 Temp 64 64 82 77 63 64 82 77 65 66 81 76 64 62 74 68 Dewpt 61 63 65 65 61 63 62 64 63 63 63 63 60 58 57 57 PWind dir SW W W S S SW W W Wind char LT LT LT LT LT LT LT LT Avg clouds SC B2 B1 SC SC SC SC B1 B1 B2 B2 B1 SC B1 SC SC PoP 12hr 40 60 30 50 50 60 30 50 Rain shwrs C C L L C C C C C C L L C C C C Tstms C S C C C C C C C C C C S S $$ MDZ014-222000- Annapolis MD 38.99N 76.49W Elev. 7 ft 703 AM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 69 82 67 82 Temp 66 76 80 80 76 72 71 70 72 78 79 78 74 70 69 68 69 76 80 80 76 Dewpt 62 65 66 65 64 65 64 64 66 68 68 68 67 66 66 65 65 66 66 66 66 RH 87 69 62 60 66 79 79 81 81 71 69 71 79 87 90 90 87 71 62 62 71 Wind dir S S S S S S S S SW W S S S SW W W NW N SE S S Wind spd 6 8 11 12 12 9 6 4 4 4 6 6 4 3 3 4 4 4 6 6 5 Clouds FW FW FW SC SC B1 B1 B1 B1 B2 B2 B2 OV OV B2 B2 B1 SC SC SC SC PoP 12hr 5 30 60 70 30 QPF 12hr 0 0.14 0.47 0.24 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C S C L L L C C C C C C C S Tstms S S C C C L C S S S Obvis PF Heat index 82 82 82 82 Max heat 82 82 82 82 Coast Flood Y Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 79 67 79 67 80 66 77 Temp 69 69 76 75 69 68 77 75 69 67 76 75 68 66 75 72 Dewpt 64 67 66 66 64 64 65 64 64 65 66 66 64 60 62 60 PWind dir S S SW SE S S SW W Wind char LT LT LT LT LT GN LT LT Avg clouds SC OV B2 B1 B1 B1 SC B1 B2 B2 B2 B1 SC SC SC B1 PoP 12hr 30 50 20 30 50 70 40 40 Rain shwrs S C C C S S C C C C L L C C C C Tstms S S C C S S C C C C C S S $$