Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
994 FOUS51 KLWX 261137 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 737 AM EDT Thu Sep 26 2024 VAZ054-262000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 737 AM EDT Thu Sep 26 2024 Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 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 72 79 72 83 Temp 72 75 79 79 75 75 74 73 72 75 76 78 76 74 75 74 72 78 82 80 76 Dewpt 69 71 71 70 70 70 70 70 71 71 71 70 70 71 72 70 69 70 68 67 66 RH 90 87 77 74 84 84 87 90 97 87 85 76 82 90 90 87 90 76 63 65 71 Wind dir SE S S SE SE S SE E E E E E E E E E E SE SE SE E Wind spd 6 9 8 6 6 6 3 4 5 10 13 17 14 13 10 10 10 12 11 10 10 Clouds B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 B1 B1 PoP 12hr 40 20 80 70 30 QPF 12hr 0 0 0.15 0.13 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S S L L D D L L C C S S C C C Tstms Heat index 85 82 Max heat 85 85 85 Date Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 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 77 66 74 64 76 63 74 Temp 72 70 75 71 68 66 72 70 67 65 74 71 66 63 71 67 Dewpt 68 67 66 64 64 62 62 60 60 61 60 60 60 59 56 54 PWind dir E E NE NE NE NE NW NW Wind char GN GN GN GN GN GN GN GN Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 50 50 40 40 50 40 30 20 Rain shwrs C C C C C C C C C C C C C S S S Tstms S $$ MDZ013-262000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 737 AM EDT Thu Sep 26 2024 Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 69 76 69 80 Temp 70 74 78 77 72 71 70 70 71 73 75 76 73 71 71 69 71 75 78 79 73 Dewpt 70 73 73 73 72 70 70 70 71 73 73 73 72 71 71 69 69 72 71 71 69 RH 100 97 85 87100 97100100100100 94 90 97100100100 93 90 79 77 87 Wind dir SE S S SE S S SE E E E E E E E E E E E E E E Wind spd 4 5 6 5 3 3 2 2 2 5 9 10 9 6 5 5 5 8 8 9 6 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 B1 B1 B2 PoP 12hr 30 20 70 70 30 QPF 12hr 0 0 0.14 0.17 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S S C C L L L L C C S S C C C Tstms Coast Flood Y Y Y A A A A A A A A A A A Date Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 72 62 71 61 72 60 71 Temp 67 66 70 66 63 63 69 66 63 62 71 67 62 60 69 63 Dewpt 67 66 67 64 62 62 62 62 60 61 62 62 61 59 58 56 PWind dir E E NE E NE NE N NW Wind char LT GN LT GN LT LT LT GN Avg clouds B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 40 50 40 40 50 50 30 20 Rain shwrs C C C C C C C C C C C C C S S S $$ MDZ011-262000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 737 AM EDT Thu Sep 26 2024 Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 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 72 79 71 81 Temp 70 76 79 79 75 75 74 73 72 76 76 78 76 74 74 73 71 77 78 80 75 Dewpt 70 71 72 71 70 70 70 70 70 70 71 70 70 70 70 68 68 68 68 68 66 RH 100 85 79 77 84 84 87 90 93 82 85 76 82 87 87 84 90 74 71 67 74 Wind dir SE S S SE SE S SE E E E E E E E E E E E E E E Wind spd 4 5 6 6 3 3 1 1 2 5 9 10 9 8 5 5 5 8 9 9 6 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 B1 B2 PoP 12hr 30 20 70 70 30 QPF 12hr 0 0 0.12 0.17 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S S C C L L L L C C S S C C C Tstms Heat index 83 Max heat 85 83 Coast Flood Y Y Date Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 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 75 64 75 63 76 62 75 Temp 71 67 73 70 67 64 72 70 67 64 74 71 67 62 73 67 Dewpt 66 64 64 62 62 60 60 59 59 58 60 60 59 58 57 54 PWind dir E E NE E NE E N NW Wind char LT GN LT GN LT LT LT GN Avg clouds B2 OV B2 B2 B2 B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 SC PoP 12hr 50 40 40 40 50 50 30 20 Rain shwrs C C C C C C C C C C C C C S S S $$ WVZ052-262000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 737 AM EDT Thu Sep 26 2024 Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 66 74 65 77 Temp 67 71 75 76 71 68 68 68 68 70 72 73 70 69 68 67 66 72 76 75 68 Dewpt 67 70 70 70 69 68 68 68 68 70 71 70 69 69 68 66 66 68 68 67 66 RH 100 97 84 82 93100100100100100 97 90 97100100 97100 87 76 76 93 Wind dir SE S S SE SE E E NE E E E E E E E E E E SE E E Wind spd 5 5 5 5 2 2 1 2 4 8 10 11 10 8 5 6 5 8 9 8 5 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 OV B2 B1 B1 B2 B2 PoP 12hr 20 30 80 80 50 QPF 12hr 0 0 0.16 0.16 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C L L D D D D C C C C C C C Tstms Date Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 70 58 68 56 71 56 69 Temp 64 64 68 64 60 59 66 63 59 58 69 64 58 58 67 60 Dewpt 64 64 65 63 60 59 62 60 58 58 60 59 56 56 55 53 PWind dir E E NE NE NE E NW NW Wind char LT GN LT LT LT LT LT GN Avg clouds B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC PoP 12hr 70 60 50 50 60 50 30 20 Rain shwrs C L L L C C C C L C C C C S S S Tstms S $$ VAZ506-262000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 737 AM EDT Thu Sep 26 2024 Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 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 79 69 77 69 81 Temp 70 73 77 79 74 72 71 70 71 73 75 76 75 72 72 71 70 77 81 79 73 Dewpt 70 73 74 73 72 71 70 70 71 73 74 73 72 72 72 70 69 72 72 70 69 RH 100100 90 82 93 97 97100100100 97 90 90100100 97 97 85 74 74 87 Wind dir S S S SE SE SE SE SE E E E E E E E E E SE SE SE E Wind spd 5 5 5 5 3 3 2 2 4 6 9 11 10 9 6 5 5 6 6 6 5 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 B1 B2 PoP 12hr 50 30 80 80 40 QPF 12hr 0 0 0.16 0.10 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S C L L D D D D C C S S C C C Tstms Heat index 85 Max heat 85 85 Date Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 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 73 62 70 60 72 59 71 Temp 68 67 72 68 64 63 68 67 62 62 71 67 62 59 69 63 Dewpt 68 67 69 66 64 62 64 63 61 61 63 63 61 59 58 56 PWind dir E E NE NE NE NE NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 60 60 50 50 60 50 30 20 Rain shwrs C L C L C C C C L C C C C S S S Tstms S $$ VAZ037-262000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 737 AM EDT Thu Sep 26 2024 Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 67 75 65 80 Temp 68 71 75 74 71 70 69 69 69 71 73 74 72 71 70 67 65 74 77 79 73 Dewpt 67 70 70 70 69 69 69 69 68 70 71 70 70 70 69 67 65 68 67 67 66 RH 97 97 84 87 93 97100100 97 97 93 87 93 97 97100100 82 71 67 79 Wind dir SE S SE SE NE NE NE NE E E E E E E SE S S S S S E Wind spd 2 4 4 3 2 2 2 3 6 10 11 10 9 5 3 2 2 5 6 5 4 Clouds B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 SC B1 SC SC B1 PoP 12hr 30 60 100 60 30 QPF 12hr 0.05 0.08 0.70 0.10 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C C C C L D D D D L L S S C C C Tstms S S S S S Flood A A A A A A Date Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 76 62 72 60 74 58 73 Temp 67 64 74 69 65 62 70 66 63 61 72 68 62 58 71 63 Dewpt 66 64 66 64 64 61 63 61 60 60 62 61 59 57 56 54 PWind dir E NE NE NE NE NE NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC FW PoP 12hr 40 60 50 60 50 40 20 20 Rain shwrs C C C L C C C L C C C C S S Tstms S S $$ MDZ003-262000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 737 AM EDT Thu Sep 26 2024 Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 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 78 67 75 67 78 Temp 68 72 75 76 73 70 69 68 69 72 73 75 72 70 70 69 67 72 75 77 72 Dewpt 68 72 73 73 71 70 69 68 68 71 71 70 70 70 69 67 67 69 69 69 67 RH 100100 94 90 93100100100 97 97 93 84 93100 97 93100 90 82 76 84 Wind dir S S S S S S SE E NE E E E E E E E E E E E E Wind spd 5 5 5 5 3 3 2 2 3 5 9 10 8 8 6 6 5 6 8 6 5 Clouds OV OV OV OV OV OV OV OV B2 OV OV OV OV B2 B2 OV B2 B2 B1 B2 OV PoP 12hr 20 20 70 80 50 QPF 12hr 0 0 0.09 0.14 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S L L L L D D C C C C C C C Tstms Date Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 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 69 59 68 58 71 57 69 Temp 66 63 67 66 61 59 66 64 60 59 69 65 60 57 67 60 Dewpt 66 63 66 63 61 59 63 61 59 58 63 61 59 57 57 54 PWind dir NE E NE NE NE SE NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC PoP 12hr 60 60 50 50 60 50 40 20 Rain shwrs C L L C C C C C L C C C C S S S Tstms S $$ MDZ017-262000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 737 AM EDT Thu Sep 26 2024 Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 71 79 70 83 Temp 72 77 78 79 75 72 72 71 73 75 77 78 75 72 72 71 72 79 82 80 73 Dewpt 70 71 72 71 70 70 70 70 71 72 72 72 71 72 72 71 71 71 70 69 69 RH 93 82 82 77 84 93 93 97 93 90 85 82 87100100100 97 77 67 69 87 Wind dir SE SE SE SE SE SE S SE E E E E SE SE SE S S S SE SE SE Wind spd 5 8 9 9 5 6 4 4 5 9 11 13 12 10 8 6 5 6 8 9 8 Clouds B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC SC SC B1 PoP 12hr 20 20 70 50 20 QPF 12hr 0 0 0.17 0.17 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S L L L L C C C C S S S Heat index 86 83 Max heat 86 86 Date Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 78 66 75 64 76 63 74 Temp 70 70 76 71 68 68 73 69 66 66 74 70 65 65 72 65 Dewpt 68 68 68 67 65 65 65 63 62 63 63 63 63 62 59 56 PWind dir E E NE NE NE NE N NW Wind char LT GN GN GN GN GN LT GN Avg clouds B1 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 30 40 40 40 40 40 30 20 Rain shwrs S C C C C C C C C C C C C S S S Tstms S $$ WVZ502-262000- Petersburg WV 38.99N 79.15W Elev. 963 ft 737 AM EDT Thu Sep 26 2024 Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 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 64 77 63 82 Temp 64 72 79 78 72 69 67 66 66 70 75 76 73 69 67 65 63 73 81 80 71 Dewpt 64 67 67 67 67 68 66 65 66 68 68 67 68 68 67 64 63 66 65 64 65 RH 100 84 67 69 84 97 97 97100 93 79 74 84 97100 97100 79 58 58 81 Wind dir N SE SE SE NE E NE NE NE E E E E E E E SE SE SE SE E Wind spd 2 3 4 4 2 3 2 2 3 8 10 11 9 5 2 2 2 3 5 5 4 Clouds OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 30 40 90 60 30 QPF 12hr 0.03 0.03 0.43 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S C C D D D D L L C C S S C C C Tstms S S S Heat index 83 82 Max heat 82 83 84 Date Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 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 61 76 58 72 56 76 53 73 Temp 64 61 74 68 61 58 70 65 59 57 74 69 59 53 71 60 Dewpt 63 61 64 62 61 58 60 59 59 57 60 60 56 53 50 49 PWind dir E E NE NE NE SW NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B1 B1 B1 SC FW PoP 12hr 50 60 50 60 60 50 30 20 Rain shwrs C C L L C C C L L C C C C S S S Tstms S $$ MDZ014-262000- Annapolis MD 38.99N 76.49W Elev. 7 ft 737 AM EDT Thu Sep 26 2024 Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 71 76 70 78 Temp 72 75 76 76 74 73 73 72 71 74 75 76 74 73 72 72 70 75 78 76 73 Dewpt 70 71 72 71 71 71 71 71 71 72 72 72 71 72 71 70 70 70 70 69 69 RH 93 87 87 85 90 93 93 97100 93 90 87 90 97 97 93100 84 76 79 87 Wind dir SE S S S S S S SE E E E E E E E E E E E E NE Wind spd 5 8 10 9 5 3 2 2 3 6 10 11 10 9 8 6 6 9 10 10 9 Clouds B2 OV OV OV OV OV OV OV OV OV OV OV B2 OV OV OV B2 B1 B1 B1 B2 PoP 12hr 30 20 70 70 30 QPF 12hr 0 0 0.14 0.16 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S S C C L L L L C C S S C C C Tstms Coast Flood Y Y Y A A A A A A A A A A A Date Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 Wed 10/02/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 73 65 72 63 72 62 71 Temp 71 68 72 68 67 65 70 68 66 65 71 69 66 63 69 65 Dewpt 68 67 67 64 64 63 63 61 61 61 62 62 61 61 59 56 PWind dir E NE NE NE NE NE N NW Wind char LT GN GN GN LT GN LT GN Avg clouds B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC PoP 12hr 40 40 40 40 50 40 30 20 Rain shwrs C C C C C C C C C C C C C S S S Tstms S $$