Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
677 FOUS51 KLWX 170836 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 436 AM EDT Tue Jun 17 2025 VAZ054-172000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 436 AM EDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 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 73 91 76 92 Temp 67 68 72 77 81 78 75 74 73 75 84 88 87 83 80 78 77 79 86 90 88 82 Dewpt 66 66 68 70 72 71 73 73 72 74 74 73 73 72 73 72 72 72 71 70 70 69 RH 97 93 87 79 74 79 94 97 97 97 72 61 63 70 79 82 85 79 61 52 55 65 Wind dir E E SE S S S SE S S SW SW SW SW SW SW SW SW SW SW SW SW W Wind spd 5 5 6 6 6 6 5 5 5 8 10 11 11 9 6 8 8 9 11 12 13 10 Clouds OV OV OV B1 B2 B2 B2 B1 B2 B1 SC SC B1 SC FW FW FW FW FW SC B1 B2 PoP 12hr 40 40 70 10 60 QPF 12hr 0.01 0.37 0.04 0 0.14 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C S S S L L L L S Sprinkles C Tstms S C C C C C C C S Obvis PF Heat index 85 91 96 94 88 84 91 96 93 85 Max heat 85 96 96 87 96 96 Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 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 70 89 72 91 76 96 79 98 Temp 74 73 86 83 74 75 89 86 78 79 93 89 81 82 95 91 Dewpt 66 65 62 63 66 67 66 67 69 71 68 70 74 75 71 71 PWind dir W W W SW SW W W NW Wind char GN LT LT LT LT LT LT LT Avg clouds B1 FW FW FW SC SC FW SC SC SC SC SC FW FW FW FW PoP 12hr 20 0 0 5 10 10 5 5 Rain shwrs S Tstms S $$ MDZ013-172000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 436 AM EDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 71 92 73 95 Temp 66 66 71 77 80 77 73 71 71 74 84 89 86 82 78 76 75 78 88 92 90 82 Dewpt 65 66 68 69 70 72 72 71 71 74 75 74 74 74 73 73 72 73 73 72 71 70 RH 97100 90 76 72 85 97100100100 74 61 68 77 85 90 90 85 61 52 54 67 Wind dir E SE SE SE SE SE S SW SW SW SW S SW SW SW SW SW SW SW SW SW W Wind spd 2 3 4 5 6 4 3 3 2 3 5 9 8 4 3 3 4 5 8 10 11 8 Clouds OV OV OV B1 B1 B1 OV OV B2 B1 B1 SC B1 SC SC FW FW FW FW SC B1 B1 PoP 12hr 40 40 80 10 60 QPF 12hr 0.01 0.34 0.10 0 0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C S S S D D L L S Tstms S C C C S C C C C Obvis PF PF Heat index 83 92 98 94 88 96100 96 86 Max heat 83 98 98 86 100 100 Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 88 70 92 74 96 76 98 Temp 72 72 85 83 73 74 89 86 76 78 92 90 80 81 96 92 Dewpt 66 65 64 65 65 67 67 68 69 71 71 73 74 75 74 73 PWind dir W W W SW SW W W NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 FW CL FW SC SC FW FW SC SC SC FW SC FW FW FW PoP 12hr 20 5 0 5 10 10 5 5 Rain shwrs S $$ MDZ011-172000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 436 AM EDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 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 83 76 95 79 97 Temp 67 67 72 77 82 79 78 76 76 77 86 90 89 86 83 81 79 80 90 93 93 86 Dewpt 65 66 67 68 69 69 70 71 71 72 72 72 71 71 72 72 71 71 70 69 67 67 RH 93 97 84 74 65 72 76 85 85 85 63 56 56 61 70 74 77 74 52 46 43 53 Wind dir E SE SE SE SE SE S S SW SW SW SW SW SW SW SW SW SW SW SW SW W Wind spd 2 3 4 5 6 3 2 2 2 3 5 8 8 4 2 2 3 5 8 10 11 8 Clouds OV OV OV B1 B1 B1 OV OV B2 B1 B1 SC B1 SC SC FW FW FW FW SC B1 B1 PoP 12hr 40 40 80 10 60 QPF 12hr 0.02 0.32 0.10 0 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C S C C D D L L S Tstms S C C C S S C C C C Heat index 85 92 97 95 91 88 85 83 96 98 97 89 Max heat 85 97 97 90 84 98 99 Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 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 72 92 74 95 78 99 81 101 Temp 77 73 88 86 78 75 92 88 81 79 95 93 85 83 97 94 Dewpt 65 63 61 62 65 66 65 65 68 69 69 70 73 73 71 71 PWind dir W W W SW SW W W NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 FW FW FW SC SC SC SC SC SC SC SC SC FW FW FW PoP 12hr 20 5 0 5 10 10 5 5 Rain shwrs S $$ WVZ052-172000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 436 AM EDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 69 87 70 89 Temp 65 66 72 79 81 77 73 71 69 72 81 84 84 81 75 72 72 76 83 87 84 79 Dewpt 65 65 68 70 71 71 70 70 69 69 70 71 71 71 70 69 68 69 69 67 67 65 RH 100 97 87 74 72 82 90 97100 90 69 65 65 72 84 90 87 79 63 52 57 62 Wind dir SE SE S S S S S S SW SW SW W SW SW SW SW SW SW SW SW W W Wind spd 3 5 5 6 6 4 2 2 2 2 5 8 6 3 3 4 5 6 10 12 11 8 Clouds OV OV OV B1 B1 B2 B2 B1 B1 SC SC B1 B1 SC FW FW FW FW SC SC B1 SC PoP 12hr 60 50 80 10 50 QPF 12hr 1.04 0.06 0.09 0 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C L C C S L L D D S S C C Tstms C C C S C L C C S Obvis PF PF Heat index 85 85 89 89 85 87 90 87 Max heat 85 89 89 90 90 Flood A A A A Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 86 65 91 70 95 72 97 Temp 69 70 83 79 69 71 88 84 73 75 91 87 76 79 94 88 Dewpt 62 62 61 64 64 64 65 67 67 68 70 72 72 72 71 73 PWind dir W W W SW SW W W NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW SC SC SC SC SC SC SC SC FW FW FW FW PoP 12hr 10 5 0 5 10 10 5 5 $$ VAZ506-172000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 436 AM EDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 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 83 71 91 73 93 Temp 66 68 72 78 82 78 74 72 71 74 84 86 86 82 77 75 74 78 86 90 88 80 Dewpt 66 67 70 72 73 74 73 72 71 74 76 75 75 75 74 73 71 73 74 73 72 71 RH 100 97 93 82 74 88 97100100100 77 70 70 79 90 94 90 85 68 58 59 74 Wind dir SE SE S S S S S S S SW SW W SW SW SW SW SW SW SW SW SW W Wind spd 3 4 5 5 6 5 4 3 3 5 6 10 8 5 4 4 5 5 9 10 11 6 Clouds OV OV OV B1 B1 B1 B2 B1 B1 B1 SC SC B1 SC FW FW FW FW SC SC B1 B1 PoP 12hr 50 40 70 10 60 QPF 12hr 0.01 0.59 0.08 0 0.21 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S C C L L L L S Sprinkles C Tstms C C C S C C C C Obvis PF PF Heat index 87 93 95 95 89 94 98 95 83 Max heat 87 95 95 85 98 98 Flood A A A A Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 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 66 88 67 92 72 97 76 98 Temp 70 71 85 81 71 73 90 86 75 77 93 89 79 81 96 91 Dewpt 67 66 64 67 66 68 68 69 69 71 72 74 74 75 75 76 PWind dir W W W SW SW W W NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW SC SC FW FW SC SC SC SC FW FW FW FW PoP 12hr 20 5 0 5 10 10 5 5 Rain shwrs S $$ VAZ037-172000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 436 AM EDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 71 90 72 91 Temp 66 67 72 81 84 79 75 72 71 73 83 88 88 82 78 74 73 75 84 89 87 79 Dewpt 66 66 69 71 71 71 71 71 70 71 70 70 69 69 69 69 68 70 69 68 67 67 RH 100 97 90 72 65 77 87 97 97 93 65 55 54 65 74 84 84 84 61 50 52 67 Wind dir NE E S S S S S S SW SW SW SW SW SW SW SW SW SW SW SW W W Wind spd 2 2 3 5 6 4 2 3 3 5 8 10 10 6 5 5 5 6 9 10 10 6 Clouds OV OV OV SC SC B1 B1 SC SC SC FW FW SC SC FW FW CL CL FW SC B1 B1 PoP 12hr 50 30 50 5 50 QPF 12hr 0.10 0.09 0.01 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C S S C C C C Sprinkles C Tstms C C C S C C C C Obvis PF PF Heat index 85 89 87 93 92 85 88 93 90 Max heat 85 89 93 94 84 93 93 Flood A A A A Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 88 67 92 71 95 73 97 Temp 70 70 85 79 70 71 89 83 74 75 93 86 76 78 94 88 Dewpt 65 65 62 65 64 66 64 67 67 69 67 70 70 72 70 71 PWind dir W W W SW SW W NW N Wind char LT LT LT LT LT LT LT LT Avg clouds B1 FW FW FW SC FW FW SC FW FW FW SC SC FW FW FW PoP 12hr 10 0 0 5 5 5 5 10 $$ MDZ003-172000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 436 AM EDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 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 70 87 70 89 Temp 65 65 70 76 79 76 72 71 70 72 80 82 84 81 75 73 72 75 83 85 84 79 Dewpt 64 65 68 70 71 71 72 71 70 72 73 73 73 72 72 71 69 72 72 71 69 67 RH 97100 93 82 77 85100100100100 79 74 70 74 90 93 90 90 70 63 61 67 Wind dir SE SE S S S S S S S S SW SW SW SW SW SW SW SW SW SW W W Wind spd 2 4 6 5 6 5 4 3 3 3 5 8 6 5 4 4 5 6 10 11 11 8 Clouds OV OV OV B2 B1 B2 B2 B2 B2 B1 B1 B1 SC SC FW FW FW FW SC SC B1 SC PoP 12hr 60 50 80 10 60 QPF 12hr 0.31 0.11 0.10 0 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C L C C S S L L D D C C L L Tstms C C C S S C L C S C C Obvis PF PF Heat index 84 87 90 85 88 90 88 Max heat 87 90 90 90 Flood A A A A Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 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 86 65 91 70 94 74 97 Temp 68 69 82 79 69 71 87 84 74 75 91 88 77 79 94 90 Dewpt 64 64 64 65 65 66 68 69 68 70 74 74 73 75 74 75 PWind dir W W W SW SW W W NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC SC SC SC SC SC SC SC SC FW FW FW FW PoP 12hr 10 5 5 5 10 10 5 5 $$ MDZ017-172000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 436 AM EDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 74 94 78 94 Temp 69 71 76 78 80 78 74 74 74 79 87 91 91 85 81 79 78 81 88 92 92 84 Dewpt 67 68 70 71 72 73 73 73 73 75 75 74 73 74 73 72 72 73 73 72 72 73 RH 93 90 82 79 77 85 97 97 97 88 68 58 56 70 77 79 82 77 61 52 52 70 Wind dir E SE SE SE SE SE S S S SW SW SW W W SW SW SW SW SW SW SW W Wind spd 5 5 6 6 8 5 5 5 6 8 10 11 11 6 6 8 9 10 11 12 12 8 Clouds OV OV B2 B1 SC SC B1 SC SC SC FW FW FW SC FW FW FW CL CL FW SC B1 PoP 12hr 30 40 40 10 50 QPF 12hr 0 0.04 0 0 0.12 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C S C C C C C Sprinkles C Tstms S S C C C C C C C Obvis PF PF Heat index 84 96101100 93 86 86 96100100 90 Max heat 84 101 102 90 86 100 101 Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 88 72 91 76 94 78 95 Temp 74 75 85 81 74 77 88 83 77 80 91 86 79 82 93 87 Dewpt 70 67 64 67 67 69 68 69 71 72 72 74 73 75 75 75 PWind dir W W SW S S SW SW N Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC FW CL FW FW FW FW SC FW FW FW FW FW FW CL PoP 12hr 40 0 0 5 10 5 10 5 Rain shwrs C Tstms C $$ WVZ502-172000- Petersburg WV 38.99N 79.15W Elev. 963 ft 436 AM EDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 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 84 66 89 68 89 Temp 65 66 77 82 82 76 70 68 66 69 80 84 85 80 73 71 70 73 81 85 83 76 Dewpt 65 66 71 72 72 72 70 68 66 69 71 71 70 71 69 68 67 69 68 68 67 67 RH 100100 82 72 72 87100100100100 74 65 61 74 87 90 90 87 65 57 59 74 Wind dir E SE S S S S S S S S W W W SW SW SW SW SW W W W W Wind spd 2 2 2 4 4 2 2 2 2 3 5 8 6 4 4 4 5 5 9 11 10 5 Clouds OV B2 B1 B1 B1 SC SC SC SC SC SC SC SC FW FW FW SC B1 SC B1 B1 SC PoP 12hr 70 40 70 10 60 QPF 12hr 0.47 0.04 0.03 0 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L C C S S L L L L C C L L Tstms S L L C S S C C C S C S Obvis PF PF Heat index 87 87 83 89 90 83 84 88 86 Max heat 87 87 89 90 88 88 Flood A A A A Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 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 86 62 94 66 96 69 98 Temp 66 65 83 77 66 68 90 82 71 72 93 86 73 75 95 87 Dewpt 64 63 62 65 63 64 63 69 65 68 69 73 69 71 71 74 PWind dir W W SW SW SW W W NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW SC SC FW FW SC FW FW FW FW FW FW FW FW PoP 12hr 10 5 0 5 5 10 5 10 $$ MDZ014-172000- Annapolis MD 38.99N 76.49W Elev. 7 ft 436 AM EDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 73 87 75 90 Temp 67 69 72 76 78 77 75 74 73 75 81 86 84 81 79 77 77 79 84 88 86 80 Dewpt 66 67 67 69 70 71 73 73 73 74 74 75 73 73 74 73 72 73 72 72 71 70 RH 97 93 84 79 76 82 94 97100 97 79 70 70 77 85 87 85 82 67 59 61 72 Wind dir E SE SE SE S S S S S SW SW SW SW SW SW SW SW SW SW SW SW W Wind spd 3 4 5 8 8 5 5 5 4 5 6 10 10 5 4 5 5 6 10 12 11 9 Clouds OV OV OV B1 SC SC B2 B2 B1 SC SC SC B1 SC FW FW FW FW FW SC B1 B1 PoP 12hr 30 40 70 10 50 QPF 12hr 0 0.30 0.05 0 0.13 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C S S S L L C C C Sprinkles C Tstms S C C C S C C C C S Obvis PF Heat index 86 95 90 86 90 95 91 83 Max heat 95 94 84 95 95 Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 84 72 87 75 91 77 92 Temp 74 73 82 81 74 75 85 82 77 78 88 86 80 81 90 88 Dewpt 67 65 64 66 67 67 68 69 70 71 72 73 74 75 75 74 PWind dir W W W SW SW W W N Wind char LT LT LT LT LT LT LT LT Avg clouds B1 FW FW FW SC SC FW FW SC SC SC FW FW FW FW FW PoP 12hr 30 5 0 5 10 10 5 5 Rain shwrs C Tstms S $$