Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
521 FOUS51 KLWX 282338 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 738 PM EDT Sat Sep 28 2024 VAZ054-290800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 738 PM EDT Sat Sep 28 2024 Date 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 78 68 70 65 Temp 78 74 72 71 70 75 78 76 72 71 69 69 68 69 70 70 68 68 67 65 67 Dewpt 66 67 68 67 67 68 68 68 67 66 66 65 65 64 65 64 64 63 64 63 63 RH 67 79 87 87 90 79 71 76 84 84 90 87 90 84 84 81 87 84 90 93 87 Wind dir E E E E E E NE NE NE E NE NE NE NE NE NE E NE NE NE NE Wind spd 5 6 8 8 8 8 9 10 10 10 10 10 10 10 10 11 11 10 10 9 10 Clouds SC B1 B1 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV B2 OV PoP 12hr 20 40 70 70 70 QPF 12hr 0 0.08 0.07 0.31 0.26 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C L L L L L L L L L L L L C Tstms S S S Date 10/01 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 64 76 58 75 59 77 62 77 Temp 70 68 65 65 73 70 63 59 72 68 61 61 75 71 65 62 75 68 Dewpt 63 62 61 60 61 57 54 53 52 53 54 56 57 58 58 57 57 57 PWind dir NE N N N N S S S NW Wind char GN LT GN LT LT LT LT LT GN Avg clouds OV B2 B2 B1 B1 SC FW FW FW FW FW FW SC SC SC SC SC SC PoP 12hr 50 10 10 0 0 0 5 5 10 Rain shwrs C C Tstms S $$ MDZ013-290800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 738 PM EDT Sat Sep 28 2024 Date 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 75 64 68 61 Temp 72 69 68 68 68 72 75 73 68 66 64 64 64 67 68 68 66 63 62 62 61 Dewpt 69 68 68 67 67 69 69 70 68 66 64 64 64 66 66 66 65 63 62 62 61 RH 90 97100 97 97 90 82 90100100100100100 97 93 93 97100100100100 Wind dir E NE NE NE NE E NE NE NE NE NE NE NE NE NE NE E NE NE NE NE Wind spd 9 9 8 9 9 9 10 11 11 11 10 11 11 10 10 11 11 11 10 10 10 Clouds B1 B2 OV OV OV OV B2 B2 OV OV OV OV B2 OV OV OV OV OV OV OV OV PoP 12hr 30 40 60 70 70 QPF 12hr 0.03 0.04 0.09 0.24 0.26 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C L L L L L L L L L L L L C Obvis PF PF Coast Flood Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 10/01 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 69 59 74 55 73 55 76 59 76 Temp 67 65 61 61 71 67 59 56 71 66 57 58 75 67 61 60 74 65 Dewpt 64 63 60 61 62 60 56 53 53 56 54 56 59 60 57 57 59 58 PWind dir NE NE N N NW SW S S NW Wind char GN LT LT LT LT LT LT LT LT Avg clouds OV B2 B1 B1 B1 B1 FW FW FW FW FW FW SC SC SC SC SC SC PoP 12hr 50 10 10 0 0 0 5 5 10 Rain shwrs C C Tstms S $$ MDZ011-290800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 738 PM EDT Sat Sep 28 2024 Date 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 76 67 71 64 Temp 74 71 69 69 69 73 76 74 70 69 67 67 67 69 70 71 67 68 65 65 64 Dewpt 68 67 67 67 66 67 67 67 66 64 63 63 62 63 64 64 63 62 61 61 61 RH 82 87 93 93 90 81 74 79 87 84 87 87 84 81 81 79 87 81 87 87 90 Wind dir E NE NE NE NE E NE NE NE NE NE NE NE NE NE NE E NE NE NE NE Wind spd 9 9 8 9 9 9 10 11 10 11 10 10 11 10 10 10 11 11 10 10 10 Clouds B1 B2 OV B2 OV OV B2 B2 OV OV OV OV B2 OV OV OV B2 OV OV OV B2 PoP 12hr 30 40 60 70 70 QPF 12hr 0.03 0.14 0.09 0.25 0.28 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C L L L L L L L L L L L L C Obvis PF PF Date 10/01 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 62 75 58 76 59 78 61 78 Temp 69 67 64 64 73 68 62 59 73 68 61 61 77 68 65 62 75 67 Dewpt 62 61 59 59 60 57 54 51 51 53 53 54 57 58 56 56 57 56 PWind dir NE NE N N NW SW S S NW Wind char GN LT LT LT LT LT LT LT LT Avg clouds OV B2 B1 B1 B1 B1 FW FW FW FW FW FW SC SC SC SC SC SC PoP 12hr 50 10 10 0 0 0 5 5 10 Rain shwrs C C $$ WVZ052-290800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 738 PM EDT Sat Sep 28 2024 Date 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 71 61 65 58 Temp 71 68 67 65 65 67 71 69 67 64 64 62 61 63 64 65 62 61 61 60 58 Dewpt 66 66 66 65 65 66 67 67 66 64 63 62 61 62 63 63 62 61 61 60 58 RH 84 93 97100100 97 87 93 97100 97100100 97 97 93100100100100100 Wind dir SE E E E E E E NE NE NE NE NE NE NE NE NE NE NE NE NE NE Wind spd 5 6 8 8 8 9 9 10 9 9 9 9 9 9 9 8 8 9 8 9 9 Clouds SC B2 B2 OV OV OV B2 B2 OV OV OV OV OV OV OV OV OV OV B2 OV OV PoP 12hr 40 60 80 70 70 QPF 12hr 0.04 0.09 0.27 0.74 0.44 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L L L L D D D D L L L L L L L L C Obvis PF Date 10/01 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 66 56 70 48 70 50 74 53 72 Temp 63 63 59 58 68 63 53 49 67 63 53 52 72 66 57 54 70 62 Dewpt 61 61 59 58 60 55 51 49 51 54 53 52 59 58 56 54 58 56 PWind dir NE E NW NW S S S S NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B2 B1 SC FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 50 20 20 0 0 0 5 5 10 Rain shwrs C S S S $$ VAZ506-290800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 738 PM EDT Sat Sep 28 2024 Date 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 76 65 68 62 Temp 75 71 69 68 67 73 76 74 70 68 67 65 65 67 67 68 66 65 64 62 62 Dewpt 68 69 68 68 67 70 71 70 69 68 66 65 64 66 67 67 65 65 64 62 62 RH 79 93 97100100 90 85 87 97100 97100 97 97100 97 97100100100100 Wind dir SE E E E E E E E E E NE NE NE NE NE NE NE E NE NE NE Wind spd 5 6 8 8 8 8 9 10 10 10 10 9 10 10 10 10 9 9 9 9 9 Clouds SC B2 B2 OV B2 B2 B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 PoP 12hr 30 50 80 70 70 QPF 12hr 0 0.06 0.12 0.39 0.24 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C D D D D L L L L L L L L C Tstms S S S S Date 10/01 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 68 59 74 53 73 53 76 57 76 Temp 67 66 62 61 71 67 58 54 70 66 56 56 74 69 60 57 74 65 Dewpt 65 64 61 61 64 59 56 54 56 56 56 56 61 60 59 57 61 58 PWind dir NE N NW N NE S S S NW Wind char GN LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B2 B1 SC FW FW FW FW FW FW SC SC SC SC SC SC PoP 12hr 50 10 10 5 0 0 5 5 10 Rain shwrs C C Tstms S $$ VAZ037-290800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 738 PM EDT Sat Sep 28 2024 Date 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 75 66 69 62 Temp 73 70 68 65 64 72 75 74 70 68 67 66 66 68 69 69 66 64 64 63 62 Dewpt 65 66 65 64 64 66 67 68 67 67 67 66 65 65 65 65 65 64 64 63 62 RH 76 87 90 97100 81 76 82 90 97100100 97 90 87 87 97100100100100 Wind dir S E E NE E E SE E NE E NE NE NE NE NE NE NE NE NE NE N Wind spd 4 3 4 5 5 5 6 6 6 8 8 9 8 8 6 8 8 9 6 6 6 Clouds SC SC SC B2 B2 B1 B1 B1 B2 B2 B2 OV B2 OV B2 B2 B2 B2 B2 OV B2 PoP 12hr 30 60 80 80 60 QPF 12hr 0 0.61 0.76 0.52 0.28 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L L D D D D D D D D L L L L C Tstms C C C C C S S S C S C S S S Obvis PF Date 10/01 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 70 59 75 54 73 55 76 56 75 Temp 68 66 62 61 73 68 58 55 70 65 57 57 74 68 60 57 73 65 Dewpt 63 62 61 61 61 59 56 53 55 56 56 55 59 60 58 57 59 57 PWind dir N N NW N E NW S SW SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B1 B1 FW SC FW FW FW FW SC SC FW SC SC SC SC PoP 12hr 50 10 20 5 0 0 5 5 10 Rain shwrs C C S $$ MDZ003-290800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 738 PM EDT Sat Sep 28 2024 Date 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 71 62 66 59 Temp 70 66 66 65 64 68 71 70 67 65 64 63 62 64 65 66 64 62 62 60 59 Dewpt 67 66 66 65 64 67 69 68 66 65 63 62 62 64 64 64 63 62 61 60 59 RH 90100100100100 97 93 93 97100 97 97100100 97 93 97100 97100100 Wind dir E E E E E E E NE NE NE NE NE NE NE NE NE NE NE NE NE NE Wind spd 9 9 9 9 9 9 10 10 10 10 10 9 9 10 10 10 9 9 9 9 9 Clouds SC B1 B2 OV B2 OV B2 B2 B2 B2 OV OV B2 OV OV OV OV OV OV OV B2 PoP 12hr 50 60 80 70 70 QPF 12hr 0.04 0.07 0.16 0.52 0.25 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L L L L D D D D L L L L L L L L C Date 10/01 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 67 58 71 49 72 50 75 55 73 Temp 65 65 60 59 69 64 54 50 69 64 55 53 72 67 59 56 71 62 Dewpt 63 62 60 59 62 56 51 49 53 55 53 53 60 59 57 56 60 56 PWind dir NE E W N SW S S S W Wind char GN LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B2 B1 SC FW FW FW FW FW FW SC FW SC SC SC FW PoP 12hr 40 20 10 0 0 0 5 5 10 Rain shwrs C S S S $$ MDZ017-290800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 738 PM EDT Sat Sep 28 2024 Date 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 79 69 74 66 Temp 76 73 72 69 70 76 79 78 72 70 69 69 69 72 74 73 69 67 67 67 66 Dewpt 68 68 68 67 68 69 69 68 68 67 67 66 67 67 68 67 66 65 66 65 66 RH 76 84 87 93 93 79 72 71 87 90 93 90 93 84 82 81 90 93 97 93100 Wind dir SE S E E E E E E E E NE NE NE NE NE NE NE NE NE NE NE Wind spd 9 8 6 6 8 8 6 8 10 11 12 12 13 11 10 12 13 13 11 12 12 Clouds FW SC SC SC B1 B1 SC SC B1 B1 B2 OV B2 B2 B2 B2 OV B2 B2 OV B2 PoP 12hr 10 30 50 70 60 QPF 12hr 0 0 0.08 0.17 0.35 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C C C L L L L L L L L C Tstms S S S S Date 10/01 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 63 76 60 75 61 77 62 77 Temp 71 68 64 65 74 69 62 62 73 68 63 63 75 70 64 64 75 68 Dewpt 65 63 61 62 62 61 58 56 55 55 57 58 59 59 59 59 59 60 PWind dir NE N N N N SE E S E Wind char GN LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 B1 B1 SC SC FW FW FW FW SC SC FW FW SC SC SC PoP 12hr 50 5 5 0 0 0 5 5 10 Rain shwrs C C Tstms S $$ WVZ502-290800- Petersburg WV 38.99N 79.15W Elev. 963 ft 738 PM EDT Sat Sep 28 2024 Date 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 76 62 69 58 Temp 69 66 64 62 64 70 76 74 70 66 64 63 62 65 68 69 66 63 61 60 59 Dewpt 63 64 64 62 63 66 66 66 66 66 64 63 62 63 63 62 62 62 61 60 59 RH 81 93100100 97 87 71 76 87100100100100 93 84 78 87 97100100100 Wind dir S S E NE E E E NE NE NE NE NE NE NE NE NE NE NE NE NE N Wind spd 5 4 4 4 4 4 5 6 5 6 6 6 6 5 6 6 5 6 5 4 4 Clouds B1 B2 B2 OV B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B2 OV OV OV B2 PoP 12hr 50 60 80 80 60 QPF 12hr 0.01 0.31 0.66 0.44 0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L L L L D D D D D D D D L L L L C Tstms C C C S S S S Obvis PF PF Date 10/01 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 57 76 48 78 52 82 53 79 Temp 70 67 61 59 75 63 52 50 76 68 55 54 80 71 57 55 75 64 Dewpt 61 62 61 59 58 54 51 48 51 53 53 53 57 58 56 54 56 54 PWind dir N SW NW W SE S S SW NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B2 SC FW FW FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 50 30 10 0 0 0 5 5 10 Rain shwrs C C C S $$ MDZ014-290800- Annapolis MD 38.99N 76.49W Elev. 7 ft 738 PM EDT Sat Sep 28 2024 Date 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 75 67 69 64 Temp 74 70 70 70 69 72 75 74 70 68 67 67 67 68 68 69 67 66 66 65 64 Dewpt 68 68 68 68 68 69 69 68 67 66 66 65 64 65 66 65 64 64 63 64 63 RH 82 93 93 93 97 90 82 82 90 93 97 93 90 90 93 87 90 93 90 97 97 Wind dir E NE NE NE E NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE Wind spd 9 9 9 10 9 9 10 12 13 13 12 12 12 13 12 13 13 13 12 12 13 Clouds FW B1 B2 B2 B2 OV B2 B1 B2 OV OV OV B2 OV OV OV B2 B2 OV OV B2 PoP 12hr 20 40 60 70 70 QPF 12hr 0 0.05 0.06 0.24 0.26 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C L L L L L L L L L L L L C Obvis PF PF Coast Flood Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 10/01 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 Sat 10/05/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 69 62 71 59 71 59 73 61 73 Temp 67 67 64 64 69 67 62 59 69 67 61 61 71 68 64 62 71 66 Dewpt 64 62 61 61 61 60 57 54 53 55 56 57 58 60 59 58 59 59 PWind dir NE NE N N NE SW S S N Wind char GN LT LT LT LT LT LT LT LT Avg clouds OV B2 B1 B1 B1 SC FW FW FW FW FW SC SC FW FW SC SC SC PoP 12hr 50 10 5 0 0 0 5 5 10 Rain shwrs C C Tstms S $$