Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
092 FOUS51 KLWX 120904 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 504 AM EDT Mon May 12 2025 VAZ054-122000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 504 AM EDT Mon May 12 2025 Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25 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 66 70 65 77 Temp 65 74 77 76 71 69 66 67 66 68 68 68 67 67 66 65 66 70 75 76 72 Dewpt 55 55 57 60 61 60 61 62 63 64 64 63 61 62 63 63 64 64 65 64 63 RH 70 51 50 58 71 73 84 84 90 87 87 84 81 84 90 93 93 81 71 66 73 Wind dir E S S S SE SE E SE SE SE SE SE SE E SE E E E SE SE E Wind spd 4 8 10 10 9 8 5 6 11 13 13 16 14 13 10 10 9 9 9 9 6 Wind gust 24 26 Clouds SC B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 PoP 12hr 50 90 100 100 90 QPF 12hr 0.05 0.31 0.80 0.44 0.31 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C L D D D D D D D D D L L D D L Tstms C C S C C S Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 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 65 83 69 88 69 86 67 83 Temp 67 67 79 79 71 71 85 82 73 70 83 80 70 68 80 77 Dewpt 63 64 64 64 65 66 68 67 64 64 64 62 58 58 56 56 PWind dir E S S SW SW SW W W Wind char LT LT LT GN LT GN GN GN Avg clouds B2 B2 B1 SC FW SC B1 B1 SC B1 B1 SC FW FW SC SC PoP 12hr 60 40 20 50 30 50 20 20 Rain shwrs L C C C S S C C S C C S S Tstms S S C C C $$ MDZ013-122000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 504 AM EDT Mon May 12 2025 Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 63 69 62 75 Temp 63 73 77 76 70 66 64 64 64 66 68 68 65 64 63 63 64 69 73 74 70 Dewpt 55 55 54 59 60 61 61 62 63 65 64 63 62 63 63 63 64 65 65 65 64 RH 75 53 45 56 71 84 90 93 97 97 87 84 90 97100100100 87 76 74 81 Wind dir E SE S S S SE SE E E SE SE SE E E E E E E E E E Wind spd 4 6 10 10 6 4 3 5 6 10 12 13 11 10 8 8 6 8 8 6 4 Wind gust 21 Clouds SC SC B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 B2 PoP 12hr 30 80 100 100 80 QPF 12hr 0.01 0.17 0.69 0.55 0.20 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L D D D D D D D D D D D D D L Tstms S S S C C S Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 80 65 86 66 85 64 82 Temp 64 65 77 75 66 68 82 79 68 69 84 76 66 67 80 75 Dewpt 63 64 65 65 64 66 68 67 64 65 64 62 59 59 57 58 PWind dir E SE S SW SW SW W W Wind char LT LT LT LT LT LT LT GN Avg clouds B2 B2 B1 SC SC B1 B1 B1 SC SC B1 SC FW FW SC SC PoP 12hr 60 50 20 50 30 50 20 20 Rain shwrs L C C C S S S C C S C C S S Tstms S S S C S $$ MDZ011-122000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 504 AM EDT Mon May 12 2025 Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25 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 82 67 71 65 77 Temp 67 76 80 80 74 72 69 68 67 69 70 70 67 67 66 65 65 70 73 76 72 Dewpt 54 55 52 57 59 59 60 61 61 62 61 61 60 61 61 62 61 62 62 62 61 RH 63 48 38 45 59 64 73 78 81 78 73 73 78 81 84 90 87 76 68 62 68 Wind dir E SE SE S S S SE E E SE SE SE E E E E E E E E E Wind spd 4 6 10 10 8 5 3 5 5 9 12 13 11 10 8 6 6 6 8 8 4 Wind gust 21 Clouds SC SC B2 OV OV OV OV OV OV OV OV OV OV OV OV OV B2 OV B2 B1 B2 PoP 12hr 30 80 100 100 80 QPF 12hr 0 0.16 0.71 0.57 0.21 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L D D D D D D D D D D D D D L Tstms S S S S C C S Heat index 80 80 Max heat 80 81 Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 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 83 68 89 70 88 68 84 Temp 68 67 79 78 71 69 84 82 73 71 85 81 72 68 81 78 Dewpt 62 62 62 62 63 65 66 65 63 63 61 60 58 56 54 55 PWind dir E SE S SW SW SW W W Wind char LT LT LT LT LT LT LT GN Avg clouds B2 B2 B2 SC SC B1 B1 B1 SC SC B1 SC FW FW SC SC PoP 12hr 60 50 20 50 30 60 20 20 Rain shwrs L C C C S S S C C S C L S S Tstms S S S S C S $$ WVZ052-122000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 504 AM EDT Mon May 12 2025 Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 61 68 61 74 Temp 57 70 74 74 69 65 63 62 63 64 67 67 66 64 63 62 63 67 72 74 70 Dewpt 51 53 55 58 59 60 60 60 61 61 62 61 59 60 60 60 61 61 63 62 60 RH 80 55 51 57 70 84 90 93 93 90 84 81 78 87 90 93 93 81 73 66 71 Wind dir NE SE SE SE SE SE SE SE SE SE SE E E E E E E E E E E Wind spd 2 8 11 10 5 5 5 6 10 11 12 14 12 11 9 6 6 5 6 6 4 Wind gust 23 25 23 Clouds SC B1 OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 PoP 12hr 60 100 100 100 90 QPF 12hr 0.07 0.39 1.05 0.44 0.29 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L D D D D D D D D D D L L D D L Tstms S C C S C C S Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 80 62 85 62 83 59 79 Temp 62 63 76 75 64 67 84 76 66 67 79 75 64 65 77 72 Dewpt 60 61 62 63 62 64 66 63 60 61 60 56 54 56 54 54 PWind dir E SE S SW SW SW W W Wind char LT LT LT LT LT GN LT GN Avg clouds B2 B2 B1 SC SC B1 B1 SC SC SC B1 SC FW SC SC SC PoP 12hr 60 60 30 60 30 60 20 20 Rain shwrs L C C L C C C L C C C L S S Tstms S C C C C $$ VAZ506-122000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 504 AM EDT Mon May 12 2025 Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25 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 63 68 63 76 Temp 61 73 76 75 69 66 65 64 65 67 67 68 66 65 64 63 65 69 74 75 71 Dewpt 55 54 57 62 63 63 63 64 65 66 65 65 64 64 64 63 65 67 67 68 65 RH 81 51 52 64 81 90 93100100 97 93 90 93 97100100100 93 79 79 81 Wind dir E S S SE SE SE SE SE SE SE SE SE SE E SE E E E SE SE SE Wind spd 3 8 9 9 6 5 5 6 10 11 12 14 12 10 8 6 6 6 6 6 4 Wind gust 23 25 23 Clouds SC B1 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 PoP 12hr 60 90 100 100 90 QPF 12hr 0.08 0.40 0.95 0.48 0.36 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L D D D D D D D D D D L L D D L Tstms S C S C C S Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 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 80 65 86 64 84 62 81 Temp 64 64 78 76 67 69 84 79 68 68 81 77 66 66 79 74 Dewpt 64 64 66 67 66 68 71 68 65 66 67 63 59 60 59 60 PWind dir E S S SW SW SW W W Wind char LT LT LT LT LT GN LT GN Avg clouds B2 B2 B1 SC FW B1 B1 B1 SC B1 B1 SC FW FW SC SC PoP 12hr 70 50 30 50 30 50 20 20 Rain shwrs L C S C C S S C C S C C S S Tstms S S C C C $$ VAZ037-122000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 504 AM EDT Mon May 12 2025 Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 72 63 70 62 76 Temp 59 66 70 70 67 67 65 65 63 66 68 69 68 66 64 63 64 69 74 75 71 Dewpt 52 55 60 61 61 60 60 61 62 62 62 61 61 61 60 60 61 63 62 61 60 RH 78 68 71 73 81 78 84 87 97 87 81 76 78 84 87 90 90 81 66 62 68 Wind dir NE E SE SE E E E E SE E E SE E E E E E E SE SE E Wind spd 1 2 6 5 5 6 5 6 6 9 9 9 6 5 3 2 2 3 5 4 3 Wind gust 19 Clouds B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 OV OV B2 B1 B1 B2 B1 PoP 12hr 100 100 100 90 90 QPF 12hr 0.46 0.93 1.34 0.34 0.25 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D D D D D D D D D D D L L C C D D C Tstms C C S S S C C C S S C C S Obvis PF Flood A A A A A A A A Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 82 65 87 64 85 60 82 Temp 63 64 80 77 68 69 85 80 68 68 82 78 65 65 80 75 Dewpt 59 60 61 63 62 64 65 63 60 61 61 58 54 56 54 56 PWind dir NE S SW SW SW SW W W Wind char LT LT LT LT LT GN LT LT Avg clouds B2 B1 SC FW FW B1 B1 SC SC B1 B1 SC FW FW SC SC PoP 12hr 40 40 10 40 20 50 10 20 Rain shwrs C S C S C S S C C S Tstms S S C S C $$ MDZ003-122000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 504 AM EDT Mon May 12 2025 Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25 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 62 68 61 73 Temp 59 71 75 74 69 65 64 63 64 65 66 67 66 63 63 61 63 66 70 72 70 Dewpt 50 54 54 58 60 61 61 61 62 63 64 62 61 62 62 61 62 63 65 64 63 RH 72 55 48 57 73 87 90 93 93 93 93 84 84 97 97100 97 90 84 76 78 Wind dir NE SE S S SE SE SE E E SE SE E SE E E E E E E E E Wind spd 4 6 11 10 6 6 5 5 8 10 12 13 12 10 9 8 6 6 6 6 5 Wind gust 23 24 23 21 Clouds SC SC B2 OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 OV PoP 12hr 40 90 100 100 90 QPF 12hr 0.01 0.32 0.82 0.48 0.26 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L D D D D D D D D D D L L D D L Tstms S C C S C C S Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 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 78 63 83 63 82 59 78 Temp 63 64 75 74 65 67 80 77 66 67 78 75 63 65 76 72 Dewpt 62 62 64 65 63 65 69 66 62 63 64 60 56 57 57 57 PWind dir E S SE SW SW SW W W Wind char LT LT LT LT LT GN LT GN Avg clouds B2 B2 B1 SC SC B1 B1 SC SC SC B1 SC FW SC SC SC PoP 12hr 70 60 40 60 40 60 20 20 Rain shwrs L C C L C C C L C S C L S S Tstms S S C C C $$ MDZ017-122000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 504 AM EDT Mon May 12 2025 Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 66 71 65 77 Temp 66 73 75 74 70 68 67 67 69 71 71 70 68 66 66 66 68 73 75 76 71 Dewpt 59 61 62 63 62 62 63 64 65 65 65 64 64 63 64 64 66 66 65 65 65 RH 78 66 64 69 76 81 87 90 87 81 81 81 87 90 93 93 93 79 71 69 81 Wind dir SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE Wind spd 4 9 10 11 8 8 8 9 10 13 17 18 16 13 11 10 8 8 10 9 5 Clouds B1 B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B2 B2 PoP 12hr 50 80 100 100 70 QPF 12hr 0.02 0.16 0.72 0.46 0.14 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C L L D D D D D D L L L L L L C Tstms S C S S S S S Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 81 68 88 69 87 66 84 Temp 66 67 79 74 69 71 84 80 71 72 83 77 69 70 82 76 Dewpt 65 65 66 65 66 67 68 68 66 67 66 65 62 61 60 61 PWind dir SE S S SW SW SW W W Wind char LT LT LT LT LT GN LT GN Avg clouds B2 B2 B1 SC FW SC B1 B1 SC SC B1 SC SC FW FW SC PoP 12hr 50 40 20 40 30 50 20 10 Rain shwrs C C C C S C C S C C S Tstms S S S C S $$ WVZ502-122000- Petersburg WV 38.99N 79.15W Elev. 963 ft 504 AM EDT Mon May 12 2025 Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25 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 75 58 69 59 76 Temp 54 69 74 72 65 62 61 60 60 63 67 68 66 63 61 59 61 68 73 75 69 Dewpt 50 53 58 60 61 61 60 60 60 62 63 61 61 61 60 59 60 62 62 61 62 RH 86 57 57 66 87 97 97100100 97 87 78 84 93 97100 97 81 68 62 78 Wind dir NW SE SE SE E E E E E E E E E E E SE SE SE SE SE E Wind spd 1 5 9 5 3 2 2 2 2 4 6 6 5 3 2 2 2 2 4 3 2 Clouds B1 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B2 B2 PoP 12hr 90 100 100 80 90 QPF 12hr 0.10 0.51 0.79 0.10 0.21 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C D D D D D D D D D D D C C L L D D C Tstms S S C C S S C C S Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 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 84 62 89 61 84 58 80 Temp 59 59 82 77 64 66 86 79 65 65 81 75 61 62 78 73 Dewpt 59 59 61 64 62 64 63 61 59 59 59 56 54 54 54 55 PWind dir S S SW W SW W W W Wind char LT LT LT LT LT GN LT LT Avg clouds B1 B1 SC FW SC B1 B1 SC SC SC B1 SC SC SC SC SC PoP 12hr 30 50 30 60 40 60 20 20 Rain shwrs C S C C C C L C C C L S S Tstms S S C S S C C S C $$ MDZ014-122000- Annapolis MD 38.99N 76.49W Elev. 7 ft 504 AM EDT Mon May 12 2025 Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 63 70 64 74 Temp 65 70 73 73 68 66 65 64 63 66 68 68 66 66 65 65 66 69 72 73 71 Dewpt 59 57 57 60 60 61 61 62 62 63 63 62 61 63 63 63 64 63 63 64 63 RH 81 63 57 64 76 84 87 93 97 90 84 81 84 90 93 93 93 81 73 73 76 Wind dir E SE S S S SE SE SE SE SE SE SE SE E SE E E E E E E Wind spd 4 8 11 11 8 6 5 6 8 10 12 14 13 11 10 9 8 9 9 8 5 Clouds SC SC B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 PoP 12hr 40 80 100 100 80 QPF 12hr 0.01 0.13 0.69 0.57 0.18 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L L D D D D D D D D D D D D L Tstms S C S C C S Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 77 67 82 67 81 65 80 Temp 66 66 74 73 68 69 78 76 69 70 80 73 67 67 79 72 Dewpt 63 63 64 64 64 65 66 65 64 64 62 62 60 59 57 57 PWind dir E SE S SW SW SW W W Wind char LT LT LT LT LT GN LT GN Avg clouds B2 B2 B1 SC SC SC B1 B1 SC SC B1 SC FW FW FW SC PoP 12hr 60 50 20 50 30 50 20 20 Rain shwrs L C C C S S C C S C C S S Tstms S S S C S $$