Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
186 FOUS51 KLWX 130540 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 140 AM EDT Mon May 13 2024 VAZ054-132000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 140 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 62 72 64 73 Temp 52 54 67 75 78 73 66 63 63 64 67 68 69 68 67 66 66 64 68 70 71 68 Dewpt 48 51 50 48 49 51 52 53 54 57 58 59 61 60 61 62 63 62 62 62 62 60 RH 86 90 54 38 36 46 61 70 72 78 73 73 76 76 81 87 90 93 81 76 73 76 Wind dir SE S S S S S S S S S S S S S SE SE E NE NE NE NE NE Wind spd 3 4 9 10 12 11 10 9 9 9 12 13 14 11 10 6 5 6 8 9 10 9 Clouds SC B1 FW FW SC SC SC SC B1 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 PoP 12hr 0 20 70 90 80 QPF 12hr 0 0 0.09 0.55 0.22 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D L L L L D D C Tstms S C C S S S S C C C Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 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 77 62 77 63 74 62 79 Temp 64 62 74 73 64 64 74 70 64 64 72 70 63 64 77 74 Dewpt 59 58 57 57 58 58 59 58 58 60 61 60 59 59 58 59 PWind dir N N E SE SE SE N N Wind char GN GN LT GN GN GN GN GN Avg clouds B2 B2 B1 SC SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 50 20 10 30 50 50 30 30 Rain shwrs C S S S C C C C C C S S C Tstms C S C C S C C S $$ MDZ013-132000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 140 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 58 72 62 70 Temp 51 53 65 74 77 69 62 59 58 62 67 68 68 66 65 63 64 63 67 69 70 67 Dewpt 49 52 52 49 50 52 55 54 54 57 59 59 60 61 62 62 62 62 63 62 62 61 RH 93 96 63 41 39 55 78 83 86 84 75 73 76 84 90 97 93 97 87 78 76 81 Wind dir S S S S S S S S S S S S S S S SE E E NE NE NE NE Wind spd 3 4 5 8 10 10 9 5 5 6 10 12 11 9 8 6 5 9 9 10 10 9 Clouds B2 B2 SC FW FW SC SC SC SC B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 PoP 12hr 0 10 70 90 80 QPF 12hr 0 0 0.06 0.57 0.23 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D L L D D D D C Tstms S C C S S S S C S C Obvis PF PF Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 76 59 76 59 72 59 77 Temp 60 61 75 72 61 62 74 69 61 60 69 67 60 62 75 72 Dewpt 58 58 58 58 58 58 59 59 58 60 61 60 59 59 59 60 PWind dir N N E SE SE SE N NW Wind char GN GN LT GN GN GN GN GN Avg clouds B2 B2 B1 SC SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 40 20 10 30 60 50 30 30 Rain shwrs C S S S S C C L C C C S S C Tstms C S C S C C S $$ MDZ011-132000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 140 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 64 76 66 76 Temp 54 57 67 76 78 72 67 65 64 66 72 72 72 71 70 69 68 67 71 73 75 72 Dewpt 49 51 51 49 50 51 53 53 53 55 57 59 59 60 61 62 62 61 61 61 61 59 RH 83 80 56 39 37 48 61 65 67 68 59 64 64 68 73 78 81 81 71 66 62 64 Wind dir S S S S S S S S S S S S S S S SE SE E NE NE NE NE Wind spd 3 4 5 8 10 10 8 5 5 5 10 11 11 8 8 5 5 9 9 9 10 9 Clouds B1 B1 SC FW FW SC SC SC SC B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 PoP 12hr 0 5 70 90 80 QPF 12hr 0 0 0.05 0.57 0.27 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D L L D D D D C Tstms S S C S S S S C S S Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 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 80 65 80 65 77 65 82 Temp 67 64 77 76 67 65 77 74 68 65 74 72 67 65 79 77 Dewpt 58 57 56 57 56 57 57 57 57 58 59 59 58 58 58 59 PWind dir N N E SE SE SE N NW Wind char GN GN LT GN GN GN GN GN Avg clouds B2 B2 B1 SC SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 40 30 10 30 60 50 30 30 Rain shwrs C S S C S C C L C C C S S C Tstms C S C S C C S $$ WVZ052-132000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 140 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 55 69 59 70 Temp 43 50 67 75 77 70 62 57 55 59 63 66 67 65 63 61 61 61 65 68 68 66 Dewpt 43 45 48 48 49 49 47 48 49 53 57 59 59 58 59 59 59 60 60 60 59 58 RH 100 83 50 38 37 47 58 72 80 80 81 78 75 78 87 93 93 97 84 76 73 75 Wind dir S S S S S S S S S S S S S S SE SE E NE NE NE NE N Wind spd 2 2 8 9 11 9 9 5 4 6 9 11 12 10 9 5 5 4 5 6 8 8 Clouds FW FW FW FW FW SC SC B1 SC OV OV OV OV OV OV OV OV OV OV B2 B2 B2 PoP 12hr 0 30 80 90 90 QPF 12hr 0 0 0.11 0.33 0.35 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L D D D D L L D D D D C Tstms S C C S S S S C C C Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 74 55 74 58 71 56 77 Temp 60 59 72 69 58 59 72 68 60 61 69 67 58 62 75 72 Dewpt 57 56 56 56 55 57 59 58 57 58 59 57 56 56 58 58 PWind dir N N SE SE SE S NW NW Wind char LT GN LT GN GN GN LT GN Avg clouds B2 B1 B1 SC SC B1 B2 B2 B2 B2 B2 B1 SC B1 B1 SC PoP 12hr 50 30 10 50 60 50 30 40 Rain shwrs C S C C C C L C C C C S C C Tstms C S C C S C C S $$ VAZ506-132000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 140 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 59 70 62 70 Temp 48 53 69 76 78 73 64 61 59 61 66 67 68 66 65 65 64 64 67 69 70 67 Dewpt 45 49 49 48 49 51 52 52 54 57 60 60 61 61 62 62 63 63 63 62 63 61 RH 89 86 49 37 36 46 65 72 83 87 81 78 78 84 90 90 97 97 87 78 78 81 Wind dir S S S S S S S S S S S S S S SE SE E NE NE NE NE N Wind spd 1 3 9 9 11 8 8 5 6 9 11 13 13 10 6 5 4 6 6 9 9 8 Clouds SC SC FW FW FW B1 SC SC B1 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 PoP 12hr 0 30 80 90 90 QPF 12hr 0 0 0.08 0.45 0.23 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D D D L L D D D D C Tstms S C C S S S S C C C Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 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 60 76 59 76 60 73 59 77 Temp 62 61 74 72 61 62 75 70 62 62 72 69 61 63 75 73 Dewpt 60 59 58 59 58 59 60 60 60 61 61 61 59 59 59 62 PWind dir N N SE S SE SE N NW Wind char GN GN LT GN GN GN GN GN Avg clouds B2 B2 B1 SC SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 50 30 10 40 60 50 30 30 Rain shwrs C S S C S C L C C C C S S C Tstms C S C C S C C S $$ VAZ037-132000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 140 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 60 71 63 76 Temp 49 54 70 77 79 73 66 62 61 62 66 67 68 68 67 65 65 65 71 73 75 69 Dewpt 43 45 47 47 46 48 48 50 52 56 59 59 59 59 60 60 60 59 61 61 61 59 RH 80 71 44 35 31 41 52 65 72 81 78 75 73 73 78 84 84 81 71 66 62 70 Wind dir SW SW S S S S SW S S S S S S SE SE E N N NW NE NE N Wind spd 2 3 8 9 10 8 5 5 8 8 9 9 10 6 5 5 4 4 4 5 6 6 Clouds CL CL FW FW SC SC B2 B1 OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 PoP 12hr 0 60 90 90 90 QPF 12hr 0 0.05 0.29 0.57 0.30 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L D D D D L L L L D D C Tstms C C C S S S C C C C Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 79 61 79 63 79 61 82 Temp 64 62 76 74 65 62 77 73 66 64 76 74 63 62 80 76 Dewpt 58 57 57 57 56 57 59 58 59 59 60 58 55 56 57 58 PWind dir N N N S SE SW NW NW Wind char LT GN LT GN GN GN LT GN Avg clouds B2 B1 SC SC SC B1 B2 B2 B2 B2 B1 B1 SC SC SC SC PoP 12hr 50 30 10 50 60 50 30 40 Rain shwrs C C C S C L C C C C S C Tstms C C C C C C S $$ MDZ003-132000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 140 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 56 69 61 70 Temp 47 52 66 74 76 71 64 59 57 61 64 65 67 66 64 63 62 62 66 68 69 66 Dewpt 44 47 49 50 50 51 50 50 51 54 59 60 60 60 61 61 61 61 62 62 61 60 RH 89 83 54 43 40 49 60 72 80 78 84 84 78 81 90 93 97 97 87 81 76 81 Wind dir SE S S S S S S S S S S S S S SE SE E NE NE NE NE NE Wind spd 2 4 8 9 11 10 11 9 6 8 12 13 14 12 10 9 5 5 6 8 8 9 Clouds FW FW CL FW FW SC FW SC SC B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 PoP 12hr 0 20 80 90 80 QPF 12hr 0 0 0.10 0.27 0.30 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L D D D D L L D D D D C Tstms S C C S S S S C C C Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 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 57 75 57 76 59 71 58 77 Temp 59 60 73 70 59 61 74 69 61 61 70 68 60 62 75 72 Dewpt 58 57 58 57 55 58 60 60 58 59 60 60 57 58 59 60 PWind dir N N SE SE SE E N NW Wind char GN GN LT GN GN GN GN GN Avg clouds B2 B1 SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 50 30 10 50 60 50 30 40 Rain shwrs C S C S S C L C C C C S C C Tstms C S C C S C C S $$ MDZ017-132000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 140 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 63 74 63 74 Temp 54 57 67 72 73 69 65 64 63 67 70 72 70 67 66 65 64 65 70 73 72 68 Dewpt 51 54 53 54 54 55 55 55 55 57 59 60 61 62 62 62 62 63 64 63 62 61 RH 90 90 61 53 51 61 70 73 75 70 68 66 73 84 87 90 93 93 81 71 71 78 Wind dir S S S SE SE S S S S S S S S S SE SE SE E N N N N Wind spd 4 5 6 11 13 13 11 10 10 9 10 11 12 11 10 10 8 10 10 10 10 9 Clouds SC SC SC SC SC SC SC SC B1 B2 B2 OV OV OV OV OV OV B2 B2 B2 B1 B2 PoP 12hr 0 5 60 90 80 QPF 12hr 0 0 0.10 0.73 0.23 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D L L L L D D C Tstms S C C S S S S S C C C Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 76 61 76 62 75 61 77 Temp 62 63 74 70 63 64 74 68 64 64 73 70 62 64 75 71 Dewpt 59 59 59 59 58 59 59 58 58 61 62 61 59 59 60 60 PWind dir N N SE SE SE SE N N Wind char GN GN GN GN GN GN GN GN Avg clouds B2 B2 B1 SC SC SC B1 B1 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 40 20 10 20 50 40 30 30 Rain shwrs C S S S C C C C C S S C Tstms C C S C $$ WVZ502-132000- Petersburg WV 38.99N 79.15W Elev. 963 ft 140 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 57 73 59 72 Temp 43 51 70 79 81 74 65 61 58 59 64 70 71 67 63 61 60 60 66 70 71 65 Dewpt 41 42 44 43 44 48 49 50 52 56 59 60 61 60 60 59 59 60 61 62 61 59 RH 93 71 39 28 27 40 56 67 80 90 84 71 71 78 90 93 96100 84 76 71 81 Wind dir S S S S S S S S S S S S S S SE SE E NW N N N N Wind spd 2 3 3 5 9 8 6 5 6 8 8 10 10 6 4 3 2 3 3 5 6 6 Clouds CL CL FW FW SC SC B1 B1 OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 PoP 12hr 0 60 80 80 90 QPF 12hr 0 0.01 0.12 0.34 0.37 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L D D D D L L D D D D C Tstms C C C C S S C C C C Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 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 57 77 56 79 59 76 57 80 Temp 60 57 74 71 59 60 76 70 61 61 74 71 60 61 77 73 Dewpt 58 57 58 58 55 57 60 60 59 60 60 59 56 57 59 59 PWind dir N N SW S S SW W W Wind char LT LT LT GN GN GN GN GN Avg clouds B2 B2 B1 SC SC B1 B1 B2 B2 B2 B1 SC SC SC SC SC PoP 12hr 50 40 10 60 60 60 30 40 Rain shwrs C S C C C L L C C L C S C C Tstms C S S C C S S S S $$ MDZ014-132000- Annapolis MD 38.99N 76.49W Elev. 7 ft 140 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 61 72 63 71 Temp 54 57 66 70 72 68 64 63 62 64 67 68 68 67 66 65 65 65 68 69 70 68 Dewpt 51 53 53 54 54 54 55 56 56 57 59 61 61 61 63 63 63 62 62 63 62 61 RH 90 86 63 57 53 61 73 78 81 78 75 78 78 81 90 93 93 90 81 81 76 78 Wind dir S S S S S S S S S S S S S S S SE SE E NE NE NE NE Wind spd 4 4 8 11 12 14 10 9 8 8 10 10 12 11 9 9 8 9 9 9 10 9 Clouds B2 B1 SC FW FW SC SC SC SC B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 PoP 12hr 0 5 70 90 80 QPF 12hr 0 0 0.08 0.67 0.24 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D L L D D D D C Tstms S C C S S S S S C S C Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 74 61 74 61 72 61 76 Temp 64 62 72 70 63 63 72 69 63 62 69 69 63 64 73 72 Dewpt 60 59 59 59 58 59 60 59 59 60 61 60 59 59 61 60 PWind dir NE N SE SE SE SE N N Wind char GN GN GN GN GN GN GN GN Avg clouds B2 B2 B1 SC SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 40 20 10 20 60 50 30 30 Rain shwrs C S S S C L C C C S S C Tstms C S C S C C S $$