Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
249 FOUS51 KLWX 140539 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 138 AM EDT Tue May 14 2024 VAZ054-142000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 138 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 63 71 61 77 Temp 61 63 69 71 70 67 65 64 63 65 67 69 69 66 65 63 61 63 70 75 76 73 Dewpt 54 58 59 60 60 60 60 61 61 62 62 61 61 59 59 58 58 58 58 57 57 57 RH 78 84 70 68 71 78 84 90 93 90 84 76 76 78 81 84 90 84 66 54 52 57 Wind dir S S S S S S SE SE E E NE NE NE NE N N N N N N N NE Wind spd 8 8 11 13 13 14 10 8 8 8 9 9 11 11 8 6 8 10 12 13 12 8 Clouds B1 OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 90 90 80 50 20 QPF 12hr 0.21 0.38 0.28 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L D D D D L L D D C C S S S S S S Tstms S S S S S S S Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 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 64 75 62 78 63 81 Temp 63 64 77 72 65 66 73 71 64 65 76 73 65 65 79 76 Dewpt 57 58 60 60 60 61 61 60 58 59 58 58 58 59 60 60 PWind dir NE SE SE E NE N NE E Wind char LT LT GN GN GN GN LT GN Avg clouds SC SC B1 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 5 30 60 50 30 20 20 30 Rain shwrs C C L L C C C C S S S S C C Tstms S C S S S S S $$ MDZ013-142000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 138 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 60 68 58 77 Temp 58 62 69 71 69 66 63 62 61 62 65 67 67 65 63 60 59 61 69 74 76 72 Dewpt 53 57 60 60 61 61 61 60 61 62 63 62 61 60 60 58 57 58 58 58 58 58 RH 83 84 73 68 76 84 93 93100100 93 84 81 84 90 93 93 90 68 57 54 61 Wind dir S S S S S S SE SE E E E NE NE NE N N N N N N N NE Wind spd 5 6 10 12 12 10 8 5 5 5 8 9 10 8 8 8 6 12 13 13 13 9 Clouds B1 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC B1 SC FW PoP 12hr 90 90 70 40 20 QPF 12hr 0.20 0.39 0.28 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L D D D D L L L L C C S S S S S S Tstms S S S S S Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 77 61 73 59 75 59 79 Temp 60 62 75 71 62 63 71 69 61 61 73 71 61 63 78 74 Dewpt 57 58 60 61 59 60 61 61 58 59 59 59 58 60 60 60 PWind dir NE SE SE E NE N NE E Wind char LT GN GN GN GN GN GN GN Avg clouds SC SC B1 B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 10 30 60 50 20 20 20 30 Rain shwrs C C L L C C S S S S S S C C Tstms S S S S S S $$ MDZ011-142000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 138 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 65 74 64 81 Temp 60 66 74 76 74 68 69 66 66 67 70 72 72 68 67 64 65 67 74 79 81 74 Dewpt 53 55 58 59 59 59 60 60 60 60 60 61 60 59 59 57 56 56 56 57 57 57 RH 78 68 57 56 59 73 73 81 81 78 71 68 66 73 75 78 73 68 53 47 44 55 Wind dir S S S S S SE SE SE E E E NE NE NE N N N N N N N NE Wind spd 4 6 9 10 11 10 8 5 5 5 8 8 9 6 8 6 6 12 12 13 12 8 Clouds B1 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC B1 SC FW PoP 12hr 90 90 70 40 20 QPF 12hr 0.20 0.40 0.34 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L D D D D L L L L C C S S S S S S Tstms S S Heat index 81 Max heat 81 Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 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 66 78 65 81 65 84 Temp 66 68 79 73 67 69 76 71 67 68 79 74 67 68 82 76 Dewpt 56 56 58 59 58 59 59 58 58 58 57 58 58 58 58 59 PWind dir NE SE SE E NE N NE E Wind char LT GN GN GN GN GN GN GN Avg clouds SC SC B1 B1 B2 B2 B2 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 10 30 60 50 30 20 20 30 Rain shwrs C C L L C C C C S S S S C C Tstms S S S S S S $$ WVZ052-142000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 138 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 69 58 68 56 75 Temp 54 58 64 67 67 65 62 60 59 60 63 66 67 65 61 58 56 58 67 73 75 71 Dewpt 49 54 57 58 59 58 58 58 58 59 60 60 59 58 58 56 56 56 57 57 56 57 RH 83 86 78 73 75 78 87 93 96 96 90 81 75 78 90 93100 93 70 57 52 61 Wind dir S S S S S SE SE SE E NE NE NE NE NE N N N N N N NE E Wind spd 4 5 9 12 11 10 9 5 5 5 5 5 5 5 5 5 5 6 9 10 10 8 Clouds B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 SC B1 SC FW PoP 12hr 80 80 90 50 30 QPF 12hr 0.19 0.31 0.35 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L D D D L L D D D D C C S S C C C C Tstms S S S S C C S S S Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 75 58 73 56 77 57 79 Temp 58 59 74 70 61 62 70 70 59 60 74 73 60 61 77 74 Dewpt 55 56 60 60 58 60 58 58 55 56 57 58 56 58 59 59 PWind dir SE SE SE E N N W E Wind char LT GN GN GN LT GN LT GN Avg clouds SC B1 B1 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC SC PoP 12hr 10 50 60 50 20 30 20 40 Rain shwrs C C L L C C S S C C S S C C Tstms C C S S S S S S $$ VAZ506-142000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 138 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 72 61 69 58 76 Temp 59 62 67 69 69 66 64 63 61 63 66 67 68 66 63 60 59 61 69 74 76 73 Dewpt 54 58 61 60 61 61 61 61 61 63 63 62 61 60 60 59 58 58 59 59 59 59 RH 83 87 81 73 76 84 90 93100100 90 84 78 81 90 96 96 90 70 59 56 62 Wind dir S S S S S S SE SE E NE NE NE NE NE N N N N N N N NE Wind spd 6 8 11 12 12 10 6 5 3 4 5 6 9 5 5 5 5 10 12 13 12 6 Clouds B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B1 SC SC SC FW PoP 12hr 90 90 80 50 20 QPF 12hr 0.26 0.28 0.34 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L D D D L L L L D D C C S S S S S S Tstms S S S C C S S Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 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 78 61 73 59 76 59 80 Temp 60 61 77 71 63 64 71 71 61 62 74 73 61 63 78 76 Dewpt 57 58 61 62 61 62 62 61 58 59 59 60 58 60 61 62 PWind dir NE SE SE E N N N NE Wind char LT GN GN GN GN GN LT GN Avg clouds SC SC B1 B2 B2 B2 B2 B1 SC B1 SC SC SC SC SC SC PoP 12hr 10 40 60 50 30 20 20 30 Rain shwrs C C L L C C C C S S S S C C Tstms C C S S S S S S $$ VAZ037-142000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 138 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 62 74 60 80 Temp 61 62 66 68 68 67 66 64 63 64 69 72 72 68 65 62 61 63 72 78 79 74 Dewpt 53 56 58 59 59 58 59 59 59 60 61 61 60 59 58 58 57 57 58 57 57 58 RH 75 81 75 73 73 73 78 84 87 87 76 68 66 73 78 87 87 81 61 48 47 57 Wind dir S S S S SE SE SE E NE NE N NE NE NE N N N N N N NE E Wind spd 5 6 9 10 8 9 5 4 4 4 5 5 5 5 5 4 5 6 9 10 10 6 Clouds OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC PoP 12hr 90 90 90 50 30 QPF 12hr 0.50 0.25 0.47 0.02 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L D D D D L L L L D D C C C C C C Tstms S S S S C C C C C S Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 81 63 79 61 82 62 84 Temp 63 66 80 73 66 67 75 73 64 65 78 75 64 66 82 77 Dewpt 57 58 60 60 60 60 60 59 57 58 57 58 57 57 58 60 PWind dir N S S SE N N N SE Wind char LT LT LT LT LT GN LT GN Avg clouds SC B1 B1 B1 B2 B2 B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 10 50 60 50 20 30 20 40 Rain shwrs C C L L C C S S C C S S C C Tstms C C S C S S S C $$ MDZ003-142000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 138 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 71 60 68 57 75 Temp 56 60 66 68 68 65 63 62 60 61 65 67 67 65 62 59 57 60 69 73 75 71 Dewpt 51 55 59 60 60 59 60 60 60 60 62 61 60 59 58 57 56 58 58 59 58 59 RH 83 84 78 76 76 81 90 93100 97 90 81 78 81 87 93 96 93 68 62 55 66 Wind dir S S S S S SE SE SE E E NE E NE NE NE N N N N N NE E Wind spd 6 8 10 13 13 13 10 8 5 5 5 6 6 6 6 5 5 9 10 10 10 8 Clouds B1 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 B1 SC B1 SC FW PoP 12hr 90 90 90 40 30 QPF 12hr 0.19 0.28 0.33 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L D D D L L D D D D C C S S C C C C Tstms S S S S C S S Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 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 60 73 57 77 58 79 Temp 59 61 74 71 62 63 70 69 60 60 75 72 61 63 77 74 Dewpt 56 58 61 61 60 60 60 59 57 58 59 60 58 59 61 61 PWind dir E SE SE E NE N NE SW Wind char LT GN GN GN LT GN LT GN Avg clouds SC B1 B2 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC SC PoP 12hr 10 50 60 50 20 20 20 40 Rain shwrs C C L L C C S S S S S S C C Tstms C C S S S S S S $$ MDZ017-142000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 138 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 62 71 60 75 Temp 62 65 71 72 71 67 65 64 63 64 69 70 69 66 64 62 60 63 70 73 74 70 Dewpt 55 58 60 60 60 60 61 61 62 63 63 62 61 60 59 58 57 58 58 59 58 59 RH 78 78 68 66 68 78 87 90 97 97 81 76 76 81 84 87 90 84 66 62 57 68 Wind dir S S S S S S SE SE SE E NE NE N N N N N N N N N N Wind spd 10 9 10 11 13 14 12 10 9 6 9 10 10 8 8 9 10 13 16 17 13 10 Clouds B2 B2 OV OV OV OV OV OV OV OV B2 OV B2 B2 B2 B2 B2 B1 SC B1 SC FW PoP 12hr 80 90 70 40 20 QPF 12hr 0.13 0.59 0.34 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L D D D D L L L L C C S S S S S S Tstms S S S S S C Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 77 62 75 61 76 61 78 Temp 62 63 75 70 64 66 74 68 63 64 74 70 63 65 77 70 Dewpt 57 58 60 60 59 61 63 61 60 60 59 59 58 60 61 61 PWind dir N SE SE SE NE N NE E Wind char GN GN GN GN GN GN GN GN Avg clouds FW SC B1 B1 B2 B2 B2 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 5 20 50 50 30 20 20 30 Rain shwrs S S C C C C C C S S S S C C Tstms S S S S S S $$ WVZ502-142000- Petersburg WV 38.99N 79.15W Elev. 963 ft 138 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 72 58 71 57 78 Temp 57 58 64 69 70 66 62 60 58 60 64 69 69 66 63 60 59 58 67 75 77 71 Dewpt 53 55 58 60 60 59 60 59 58 59 61 62 62 60 60 58 58 58 59 59 59 59 RH 86 90 81 73 71 78 93 96100 96 90 78 78 81 90 93 96100 75 58 54 66 Wind dir S S S S S SE SE SE SE NE NE NE NE NE N N N N N N N NE Wind spd 4 4 8 9 8 6 3 3 2 2 2 4 5 5 3 3 3 4 5 6 8 5 Clouds OV OV OV OV OV OV OV OV OV OV B2 OV OV B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 80 80 90 50 40 QPF 12hr 0.12 0.10 0.41 0.04 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C D D D D L L D D D D C C S S C C C C Tstms S S S S C C C C C S Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 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 58 79 59 76 57 79 58 84 Temp 60 61 78 71 62 62 73 71 60 60 77 74 61 61 81 75 Dewpt 57 58 62 61 60 60 61 60 57 58 59 60 57 57 59 61 PWind dir S S S W N N W SW Wind char LT GN LT GN LT GN LT GN Avg clouds SC B1 B1 B1 B1 B2 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 10 60 60 50 20 30 20 40 Rain shwrs L L L L C C S S C C S S C C Tstms S C C S S S S S S $$ MDZ014-142000- Annapolis MD 38.99N 76.49W Elev. 7 ft 138 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 72 62 69 60 74 Temp 62 64 68 69 69 66 65 64 63 64 66 67 67 65 64 62 61 63 68 72 74 71 Dewpt 56 58 60 61 61 60 61 61 62 62 62 62 61 60 60 59 58 58 58 59 59 59 RH 81 81 76 76 76 81 87 90 97 93 87 84 81 84 87 90 90 84 70 64 59 66 Wind dir S S S S S S S SE SE E E NE NE NE N N N N N N N NE Wind spd 8 8 10 11 12 13 10 8 8 6 9 9 10 8 9 9 9 13 13 14 11 10 Clouds B1 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B1 B1 B1 SC FW PoP 12hr 90 90 70 40 20 QPF 12hr 0.20 0.39 0.33 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L D D D D L L L L C C S S S S S S Tstms S S S S S S Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 75 62 73 61 75 62 76 Temp 63 64 72 70 64 66 70 69 63 64 72 71 64 65 74 72 Dewpt 58 58 60 61 60 60 62 61 60 59 60 59 59 60 61 60 PWind dir NE SE SE SE NE NE NE E Wind char GN GN GN GN GN GN GN GN Avg clouds FW SC B1 B1 B2 B2 B2 B1 B1 SC B1 SC SC SC SC SC PoP 12hr 10 30 50 50 30 20 20 30 Rain shwrs C C C C C C C C S S S S C C Tstms S S S S S $$