Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
437 FOUS51 KLWX 192038 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 438 PM EDT Sat Oct 19 2024 VAZ054-200800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 438 PM EDT Sat Oct 19 2024 Date 10/19/24 Sun 10/20/24 Mon 10/21/24 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 51 75 53 79 56 Temp 73 65 60 56 53 51 65 73 74 64 61 57 55 54 68 77 78 67 64 61 57 57 Dewpt 34 39 40 42 41 42 42 38 37 39 44 44 44 44 46 39 41 42 46 49 48 50 RH 24 38 47 59 64 71 43 28 26 40 53 62 66 69 45 25 27 40 52 65 72 77 Wind dir NE SE S W NW NW W NW W W W W NW NW NW NW W W W NW NW NW Wind spd 3 3 2 2 3 3 4 5 4 4 4 5 5 6 6 5 5 4 4 4 4 5 Clouds CL FW CL CL FW FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 10/22 Wed 10/23/24 Thu 10/24/24 Fri 10/25/24 Sat 10/26/24 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 80 55 78 56 68 49 65 50 68 Temp 79 69 61 56 75 69 61 57 67 59 53 49 62 58 54 52 66 59 Dewpt 51 52 51 49 48 49 50 49 41 39 40 40 39 41 44 45 44 45 PWind dir E S S W NW NW NW NW W Wind char LT LT LT GN GN GN LT LT LT Avg clouds CL CL CL FW FW FW FW SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 5 5 5 5 10 5 $$ MDZ013-200800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 438 PM EDT Sat Oct 19 2024 Date 10/19/24 Sun 10/20/24 Mon 10/21/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 44 75 46 78 52 Temp 70 59 53 48 45 45 64 74 74 61 54 50 48 48 68 77 77 66 59 56 54 54 Dewpt 35 39 40 40 39 40 43 38 37 42 44 44 43 43 46 40 42 45 49 49 49 50 RH 27 47 61 74 79 82 46 27 26 49 69 80 83 83 45 26 29 47 69 77 83 86 Wind dir E SE W W W W W W W W W W W W NW W W W NW NW NW NW Wind spd 3 1 1 1 1 2 3 4 4 2 2 2 2 3 3 3 3 2 2 2 2 2 Clouds FW FW CL CL FW FW CL FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Coast Flood Y Y Date 10/22 Wed 10/23/24 Thu 10/24/24 Fri 10/25/24 Sat 10/26/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 51 75 53 66 44 63 47 66 Temp 77 65 55 52 73 66 58 54 65 55 48 44 60 55 49 48 64 56 Dewpt 53 55 52 50 50 51 51 49 42 41 39 39 40 43 44 45 45 46 PWind dir E S S W NW NW NW W W Wind char LT LT LT LT GN LT LT LT LT Avg clouds CL CL CL FW FW FW SC SC FW FW FW FW FW SC FW SC FW FW PoP 12hr 0 0 0 10 5 5 5 10 5 $$ MDZ011-200800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 438 PM EDT Sat Oct 19 2024 Date 10/19/24 Sun 10/20/24 Mon 10/21/24 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 52 77 55 79 59 Temp 73 64 61 58 54 52 66 74 75 65 63 61 58 56 71 77 78 68 66 64 62 60 Dewpt 35 38 40 40 40 41 41 37 37 41 44 43 44 43 44 39 41 45 48 50 50 50 RH 25 38 46 51 59 66 40 26 25 41 50 51 59 62 38 25 27 43 52 60 65 69 Wind dir SE SW NW NW NW NW W W W W W W NW NW NW W W W NW NW NW N Wind spd 3 1 2 2 2 2 2 4 3 2 2 2 2 3 3 4 4 2 2 2 2 2 Clouds CL CL CL CL CL CL CL FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 10/22 Wed 10/23/24 Thu 10/24/24 Fri 10/25/24 Sat 10/26/24 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 80 57 78 57 69 49 65 51 68 Temp 79 69 63 57 75 68 62 57 68 57 53 49 62 58 54 52 66 58 Dewpt 52 53 52 50 48 50 50 47 40 39 39 39 38 41 43 43 43 44 PWind dir E S S W NW N NW N W Wind char LT LT LT LT GN LT LT LT LT Avg clouds CL CL CL FW FW FW SC SC FW FW FW FW SC SC FW SC FW FW PoP 12hr 0 0 0 10 5 5 5 10 10 $$ WVZ052-200800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 438 PM EDT Sat Oct 19 2024 Date 10/19/24 Sun 10/20/24 Mon 10/21/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 35 74 38 76 43 Temp 71 54 46 41 37 35 57 73 74 58 50 44 40 40 60 73 74 61 54 48 45 45 Dewpt 37 38 40 40 36 35 40 38 41 41 43 43 39 39 45 40 43 45 47 47 45 45 RH 29 54 79 96 96100 53 28 30 53 77 96 96 96 58 30 33 56 77 96100100 Wind dir E SW N N N N N NW W W W W W W W W W W W N N N Wind spd 1 1 0 0 0 0 1 3 2 1 1 1 2 2 2 3 2 1 1 0 0 0 Clouds CL CL CL CL FW FW CL CL CL CL CL CL FW FW CL CL CL CL CL CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Date 10/22 Wed 10/23/24 Thu 10/24/24 Fri 10/25/24 Sat 10/26/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 46 75 48 63 39 62 40 64 Temp 74 64 52 47 72 65 56 49 62 52 45 40 59 54 45 42 62 54 Dewpt 51 52 50 46 48 49 49 45 40 39 38 37 40 41 41 40 43 44 PWind dir S S S W NW NW NW NW SW Wind char LT LT LT LT GN LT LT LT LT Avg clouds CL CL CL FW SC FW SC SC FW FW FW FW SC SC FW FW FW SC PoP 12hr 0 0 0 10 10 5 5 10 10 $$ VAZ506-200800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 438 PM EDT Sat Oct 19 2024 Date 10/19/24 Sun 10/20/24 Mon 10/21/24 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 38 75 42 78 46 Temp 70 58 50 45 40 39 62 73 73 59 52 47 45 44 66 76 77 62 55 51 48 48 Dewpt 38 39 41 40 39 38 43 39 40 40 44 44 43 43 44 40 41 44 48 48 48 48 RH 31 49 71 82 96 96 50 29 30 49 74 89 93 96 45 27 28 52 77 89100100 Wind dir N SW W NW NW NW NW NW NW SW W W NW NW NW NW W W W NW NW NW Wind spd 3 2 1 1 2 2 3 5 3 1 2 2 3 3 4 4 2 2 2 2 2 2 Clouds CL CL CL CL FW FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 10/22 Wed 10/23/24 Thu 10/24/24 Fri 10/25/24 Sat 10/26/24 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 79 48 77 52 66 42 64 44 67 Temp 78 66 54 49 74 67 57 52 63 57 47 43 61 55 47 45 65 56 Dewpt 53 54 51 48 50 51 51 49 43 40 40 39 42 43 44 43 47 46 PWind dir SE S S W NW NW NW N W Wind char LT LT LT LT GN LT LT LT LT Avg clouds CL CL CL FW SC FW SC SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 10 5 5 5 10 10 $$ VAZ037-200800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 438 PM EDT Sat Oct 19 2024 Date 10/19/24 Sun 10/20/24 Mon 10/21/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 40 75 44 77 45 Temp 69 56 50 46 42 40 62 73 73 60 54 50 47 46 66 75 75 60 54 49 47 47 Dewpt 40 40 41 39 39 39 42 41 44 43 46 43 42 42 45 42 44 44 46 46 44 44 RH 35 55 71 76 89 96 48 31 35 53 74 77 83 86 47 31 33 55 74 89 89 89 Wind dir E N NW W W NW NW E SE W W W NW NW NW SW S W W NW NW NW Wind spd 3 1 1 1 1 2 1 1 2 1 1 2 2 3 1 1 1 1 1 2 2 2 Clouds CL CL CL FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 10/22 Wed 10/23/24 Thu 10/24/24 Fri 10/25/24 Sat 10/26/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 48 75 50 68 42 65 45 68 Temp 76 65 55 49 73 65 55 51 67 56 48 43 62 57 49 47 66 57 Dewpt 50 51 48 45 48 49 48 46 43 42 41 39 42 44 45 43 46 46 PWind dir SE SW SW W NW NW S NW SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL CL CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 5 5 5 5 10 5 $$ MDZ003-200800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 438 PM EDT Sat Oct 19 2024 Date 10/19/24 Sun 10/20/24 Mon 10/21/24 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 37 74 40 77 46 Temp 70 56 48 43 39 37 59 72 73 60 52 47 43 42 62 75 75 62 55 51 48 48 Dewpt 37 38 40 39 38 37 41 38 41 41 43 43 41 40 45 42 45 47 49 48 46 46 RH 30 51 74 86 96100 51 29 31 49 71 86 93 93 54 31 34 58 80 89 93 93 Wind dir NW S S E E E NW NW W SW W W W W W W W W NW N N N Wind spd 1 1 1 1 1 1 2 3 3 2 2 2 2 2 2 3 2 2 2 2 1 1 Clouds CL CL CL CL FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 10/22 Wed 10/23/24 Thu 10/24/24 Fri 10/25/24 Sat 10/26/24 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 78 48 76 49 64 40 61 41 65 Temp 76 65 54 49 73 66 56 49 63 52 44 40 58 54 45 42 63 54 Dewpt 52 53 51 48 50 49 50 46 41 39 38 37 41 41 41 39 44 44 PWind dir SW S S W NW NW NW N SW Wind char LT LT LT LT GN LT LT LT LT Avg clouds CL CL CL FW FW FW SC SC FW FW FW FW SC SC SC FW FW SC PoP 12hr 0 0 0 10 10 5 5 10 10 $$ MDZ017-200800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 438 PM EDT Sat Oct 19 2024 Date 10/19/24 Sun 10/20/24 Mon 10/21/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 50 72 50 76 55 Temp 69 60 56 54 51 51 65 71 71 60 57 53 51 52 69 75 75 65 60 58 55 58 Dewpt 43 46 49 49 48 48 47 47 48 47 50 49 48 48 50 43 43 45 50 51 51 53 RH 39 60 77 83 89 89 52 42 44 62 77 86 89 86 51 32 32 48 69 77 86 83 Wind dir N N S SW W NW NW NE SE SW SW W W NW NW NW SW SW W W NW NW Wind spd 6 3 2 2 2 3 3 3 4 2 3 4 4 4 4 4 3 2 2 3 3 3 Clouds CL CL CL CL FW FW CL FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Date 10/22 Wed 10/23/24 Thu 10/24/24 Fri 10/25/24 Sat 10/26/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 55 75 57 69 49 65 52 68 Temp 76 65 59 56 74 65 61 58 68 58 53 50 64 56 53 54 66 58 Dewpt 56 54 54 52 53 56 54 52 46 43 42 42 43 44 46 48 48 48 PWind dir E S S SW NW N N W NE Wind char LT LT LT LT GN GN LT LT LT Avg clouds CL CL CL FW FW FW FW FW FW FW FW FW FW SC FW SC FW FW PoP 12hr 0 0 0 5 5 5 5 5 5 $$ WVZ502-200800- Petersburg WV 38.99N 79.15W Elev. 963 ft 438 PM EDT Sat Oct 19 2024 Date 10/19/24 Sun 10/20/24 Mon 10/21/24 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 33 78 36 80 42 Temp 73 55 44 38 36 34 59 74 76 58 48 42 39 38 60 77 78 60 51 48 44 44 Dewpt 35 37 39 37 35 34 40 37 41 40 43 40 38 37 41 36 40 43 44 44 43 42 RH 25 51 82 96 96100 49 26 28 51 83 93 96 96 49 23 26 53 77 86 96 93 Wind dir NE SE S S SW SW NE NE N SW W SW SW SW W NW N W W W W SW Wind spd 2 2 2 2 2 2 1 2 2 2 2 2 2 2 1 2 2 2 2 2 2 2 Clouds CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 10/22 Wed 10/23/24 Thu 10/24/24 Fri 10/25/24 Sat 10/26/24 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 81 47 79 47 66 37 67 40 70 Temp 79 64 52 48 78 63 54 47 63 55 42 38 64 56 44 41 67 55 Dewpt 50 51 46 42 44 48 48 44 40 40 38 35 38 42 41 39 44 45 PWind dir S SW SW W NW W W SW SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL CL FW SC SC FW SC SC SC FW FW FW SC FW FW SC SC FW PoP 12hr 0 0 0 10 10 5 5 10 10 $$ MDZ014-200800- Annapolis MD 38.99N 76.49W Elev. 7 ft 438 PM EDT Sat Oct 19 2024 Date 10/19/24 Sun 10/20/24 Mon 10/21/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 50 72 52 74 55 Temp 69 62 56 54 50 50 64 71 72 63 58 55 53 53 66 72 73 65 61 57 56 56 Dewpt 39 41 44 44 43 44 45 42 47 48 47 46 46 46 47 40 42 46 50 51 51 52 RH 33 46 64 69 77 80 50 35 41 58 67 72 77 77 50 31 33 50 67 80 83 86 Wind dir NE N N N N NW NW S S SW W W W NW NW W SW W W N NW N Wind spd 3 0 0 0 0 1 3 3 4 2 1 2 2 3 4 3 4 2 1 0 1 2 Clouds CL CL CL CL CL CL CL FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Coast Flood Y Y Date 10/22 Wed 10/23/24 Thu 10/24/24 Fri 10/25/24 Sat 10/26/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 55 73 56 65 49 62 51 64 Temp 72 66 60 56 70 67 61 56 63 59 52 49 59 57 53 52 62 58 Dewpt 55 55 54 51 51 54 52 50 43 42 42 42 41 44 46 46 46 47 PWind dir E S S SW NW N NW W SE Wind char LT LT LT LT GN LT LT LT LT Avg clouds CL CL CL FW FW FW FW SC FW FW FW FW FW FW FW SC FW FW PoP 12hr 0 0 0 5 5 5 5 10 5 $$