Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
457 FOUS51 KLWX 161740 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 140 PM EDT Wed Jul 16 2025 VAZ054-162000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 140 PM EDT Wed Jul 16 2025 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 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 90 77 94 78 89 Temp 87 86 82 79 78 78 80 87 92 91 87 84 81 80 81 84 87 85 82 Dewpt 75 74 75 75 74 75 75 75 74 73 74 73 73 72 71 71 71 71 71 RH 68 68 79 88 88 91 85 68 56 56 65 70 77 77 72 65 59 63 69 Wind dir S S S S S SW SW SW SW SW SW W W NW NW NW NW NW SE Wind spd 10 11 10 8 8 10 11 11 11 12 10 9 6 6 6 6 8 6 5 Clouds B1 B2 B2 B2 B1 B1 FW FW SC B1 SC B1 SC SC SC SC B1 B2 B1 PoP 12hr 60 40 30 10 40 QPF 12hr 0.11 0.02 0.10 0 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C S Tstms C C C C C C S Heat index 96 94 89 85 96102100 95 90 86 84 85 89 93 90 86 Max heat 96 96 86 85 102 101 93 85 93 93 Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 75 87 75 90 74 86 72 87 Temp 76 77 83 81 77 78 87 83 77 76 83 80 74 75 84 80 Dewpt 71 70 72 73 74 74 73 72 71 67 66 66 68 68 67 68 PWind dir E SE SW W N NE E E Wind char LT LT LT LT LT LT LT GN Avg clouds B1 B1 B1 B2 B1 B1 B1 B2 B1 SC SC SC SC SC SC B1 PoP 12hr 20 60 40 60 20 30 20 30 Rain shwrs S S L C S S L S C S S S C Tstms S C C C S $$ MDZ013-162000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 140 PM EDT Wed Jul 16 2025 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 75 95 77 89 Temp 87 87 81 78 77 76 79 87 92 91 85 82 80 77 78 84 87 85 81 Dewpt 77 77 77 75 75 75 76 75 74 73 75 75 73 72 72 71 71 71 72 RH 72 72 88 91 94 97 91 68 56 56 72 79 79 85 82 65 59 63 74 Wind dir S S SW SW S SW SW W SW SW SW W W NW NW NW NW NW N Wind spd 8 8 5 4 5 6 9 9 10 9 5 5 4 4 5 5 6 5 3 Clouds B1 B2 B2 B2 B1 SC FW FW SC B1 B1 B1 SC SC SC SC B1 B1 B1 PoP 12hr 60 50 30 10 30 QPF 12hr 0.26 0.67 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C S S C C C S Tstms C L C S C C C S Heat index 99 99 88 96102100 94 89 84 89 93 90 85 Max heat 99 100 87 102 103 94 93 93 Flood A A A Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 87 73 90 71 86 70 86 Temp 75 75 84 80 75 76 87 82 74 74 83 79 72 73 84 79 Dewpt 69 68 71 73 73 74 74 73 70 69 69 68 69 70 69 70 PWind dir NE SE SW W N NE E SE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B2 B1 B1 B2 SC SC SC SC SC SC SC SC PoP 12hr 20 50 50 60 20 20 20 30 Rain shwrs S S C C C C L S S S S S C Tstms S C C C S $$ MDZ011-162000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 140 PM EDT Wed Jul 16 2025 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 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 95 80 99 81 93 Temp 90 90 84 83 81 81 83 92 96 96 89 88 83 82 83 87 90 89 83 Dewpt 75 75 74 75 75 74 74 74 73 73 72 73 73 71 70 68 69 69 68 RH 62 62 72 77 82 79 74 56 48 48 57 61 72 69 65 53 50 52 61 Wind dir S S SW SW S SW SW W W SW SW W W NW NW NW NW NW N Wind spd 6 8 5 3 4 5 8 8 10 10 5 4 4 4 5 5 6 5 3 Clouds B2 B2 OV B2 B1 SC FW FW SC B1 SC B1 SC SC SC SC B1 B1 B1 PoP 12hr 60 50 30 10 20 QPF 12hr 0.06 0.31 0.06 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S S C S S S Tstms C C C S S C S S S Heat index 101101 91 90 87 86 90102106106 96 96 89 86 87 91 95 94 86 Max heat 101 103 94 90 106 107 98 87 95 95 Flood A A A Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 77 92 79 94 75 91 74 90 Temp 79 80 88 82 80 81 91 84 78 79 87 81 77 78 87 80 Dewpt 67 66 69 71 73 73 72 71 69 66 66 66 66 67 66 66 PWind dir NE SE SW W N NE E SE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B2 B2 B1 B1 B2 B1 SC SC SC SC SC SC SC PoP 12hr 20 50 50 60 20 20 20 30 Rain shwrs S S C C C C L S S S S S C Tstms S C C S C S $$ WVZ052-162000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 140 PM EDT Wed Jul 16 2025 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 72 94 73 86 Temp 87 80 79 75 74 73 77 85 91 90 84 79 76 74 76 80 83 82 79 Dewpt 73 73 73 72 72 71 72 73 71 72 71 70 70 69 69 69 69 70 70 RH 63 79 82 90 93 93 85 67 52 56 65 74 82 84 79 69 63 67 74 Wind dir S SW SW SW S SW SW W W W W W W NW N N NW NW N Wind spd 5 6 3 3 3 5 5 9 10 10 6 5 3 4 5 5 5 5 2 Clouds B1 B2 B2 B1 B1 B1 FW SC SC SC B1 B1 B1 B2 B1 B1 B1 B1 B1 PoP 12hr 70 40 20 10 40 QPF 12hr 0.45 0.07 0 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C C S C C S Tstms C C C S C C Heat index 94 84 92 98 97 89 83 87 86 Max heat 94 90 98 98 88 87 87 Flood A A A A Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 87 71 89 67 85 65 86 Temp 71 72 83 79 72 74 85 80 71 71 82 78 69 70 83 79 Dewpt 68 67 71 72 71 71 72 70 67 65 65 66 65 65 67 68 PWind dir N S SW NW NW NE E SE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 SC B1 SC B1 SC B1 PoP 12hr 20 60 50 50 20 30 20 30 Rain shwrs S S S L C C S C S C S S S C Tstms C C C S $$ VAZ506-162000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 140 PM EDT Wed Jul 16 2025 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 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 91 75 96 75 89 Temp 89 85 80 78 76 76 78 88 93 90 86 80 78 76 78 84 87 85 81 Dewpt 77 77 76 75 75 74 75 75 74 74 75 74 73 72 73 73 74 74 74 RH 68 77 88 91 97 94 91 66 54 60 70 82 85 87 85 70 65 70 79 Wind dir S S SW S S SW SW W SW W SW W W NW NW NW NW NW NW Wind spd 8 9 6 5 6 6 6 8 9 10 6 5 4 4 5 5 6 5 3 Clouds B1 B2 B2 B1 B1 SC FW SC SC B1 B1 B1 SC B1 SC SC B1 B2 B1 PoP 12hr 60 40 30 10 40 QPF 12hr 0.12 0.05 0.06 0 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C S Tstms S C C C C C S Heat index 102 96 86 98103 99 95 84 90 95 93 86 Max heat 102 100 103 105 92 95 95 Flood A A A Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 87 72 90 70 86 68 88 Temp 74 74 84 79 74 76 87 81 73 72 84 78 71 72 85 79 Dewpt 72 71 74 74 74 74 75 73 71 69 69 70 68 70 71 69 PWind dir N S SW W N N E SE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B2 B2 B1 B1 B1 B2 B1 B1 SC B1 SC SC B1 B1 PoP 12hr 20 60 40 60 20 30 20 30 Rain shwrs S S L C S S L S C S S S C Tstms S C C C S $$ VAZ037-162000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 140 PM EDT Wed Jul 16 2025 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 73 92 74 88 Temp 86 83 79 76 75 74 76 86 90 88 83 79 76 75 77 84 86 81 78 Dewpt 74 74 73 73 73 72 72 73 73 72 72 72 71 71 72 73 73 73 73 RH 68 74 82 90 94 93 87 65 58 59 70 79 85 87 85 70 65 77 85 Wind dir S S S SW SW SW SW SW SW SW SW SW W W NW N W N SE Wind spd 9 9 6 5 5 5 6 8 9 10 8 5 3 2 2 2 3 3 2 Clouds B1 B2 B2 B1 SC SC FW FW SC SC SC SC B1 B1 SC SC B2 B2 B1 PoP 12hr 70 40 30 10 70 QPF 12hr 0.33 0.01 0.12 0 0.23 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C S S S S S L L C Tstms C L C S S S S L L C Heat index 94 90 93 98 95 88 90 93 86 Max heat 94 91 98 96 85 93 92 Flood A A A Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 86 72 89 70 85 68 85 Temp 74 74 83 78 74 74 86 80 73 72 82 76 70 71 82 77 Dewpt 72 72 73 72 72 73 73 73 71 69 69 68 68 68 69 69 PWind dir N S SW W NW NE NE E Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B1 B2 B1 B1 SC B1 B1 B1 SC B1 B1 B1 B1 B1 PoP 12hr 30 70 30 50 30 40 30 40 Rain shwrs C S L C C C S C C S S C Tstms C L S C C S $$ MDZ003-162000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 140 PM EDT Wed Jul 16 2025 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 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 91 72 94 72 86 Temp 87 83 78 75 74 73 76 85 91 89 84 78 76 73 75 80 84 82 80 Dewpt 76 75 74 73 73 72 74 74 73 73 73 72 71 70 71 70 71 70 70 RH 70 77 88 94 97 97 94 70 56 59 70 82 85 90 87 72 65 67 72 Wind dir S S S S S S SW W W W SW W W NW N NW NW NW N Wind spd 5 5 4 3 4 4 5 9 10 10 6 5 4 4 4 5 5 5 3 Clouds B1 B2 B2 B2 B1 B1 SC FW SC SC B1 B1 B1 B2 B1 SC B1 B1 SC PoP 12hr 70 60 20 10 30 QPF 12hr 0.25 0.38 0 0 0.18 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L C S C C S Tstms C C C S C C Heat index 98 90 93100 97 90 83 89 86 83 Max heat 98 98 100 100 86 89 89 Flood A A A A Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 69 87 71 89 67 85 66 86 Temp 71 72 84 80 72 74 86 80 71 70 82 78 69 71 84 79 Dewpt 67 67 71 72 71 72 73 71 68 66 67 66 65 67 69 69 PWind dir NE S SW NW N NE E SE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC B1 PoP 12hr 20 60 50 50 20 20 20 30 Rain shwrs S L C C S C S S S S C Tstms C C C S $$ MDZ017-162000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 140 PM EDT Wed Jul 16 2025 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 78 96 79 91 Temp 89 88 84 80 80 79 82 88 92 92 87 83 81 80 83 86 88 88 83 Dewpt 77 77 76 76 75 75 76 76 76 76 76 75 75 74 75 74 74 75 74 RH 68 70 77 88 85 88 82 68 60 60 70 77 82 82 77 68 63 66 74 Wind dir S S S S SW SW SW SW SW SW W SW W W NW N N N N Wind spd 10 10 8 9 10 12 13 12 11 11 9 8 6 5 5 5 6 5 3 Clouds B1 B1 B2 B1 B1 B1 FW FW FW SC B1 FW SC SC SC SC B1 B1 B2 PoP 12hr 50 30 20 10 30 QPF 12hr 0.05 0.03 0.18 0 0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C C C Tstms C C S C C C C Heat index 102100 93 86 85 89 99105105 98 90 87 84 90 94 97 98 90 Max heat 102 102 91 89 105 105 94 90 97 99 Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 87 75 91 75 87 73 87 Temp 77 79 85 81 77 79 88 82 77 78 84 81 75 78 85 80 Dewpt 72 73 73 74 74 76 76 76 73 72 71 70 70 71 69 71 PWind dir NE SE SW W NW NE E E Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B1 SC B1 B1 SC SC SC SC SC SC SC PoP 12hr 30 40 40 50 30 20 20 20 Rain shwrs C S S C C C S C C S S S S S S Tstms C C C S C C $$ WVZ502-162000- Petersburg WV 38.99N 79.15W Elev. 963 ft 140 PM EDT Wed Jul 16 2025 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 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 91 70 94 69 88 Temp 86 86 80 74 71 71 74 85 90 88 81 75 72 70 72 80 84 83 77 Dewpt 75 74 73 72 71 69 72 72 71 71 71 70 70 68 70 73 74 72 73 RH 70 68 79 93100 93 93 65 54 57 72 84 93 93 93 79 72 70 87 Wind dir SW SW SW S E E SE W W W SW SW SW W W W W W NW Wind spd 4 5 4 4 4 4 4 6 10 9 5 4 2 2 2 2 4 3 2 Clouds B2 B2 B2 B1 B1 SC SC FW SC B1 B2 B2 B2 B2 B2 B1 B2 B2 B2 PoP 12hr 80 50 40 30 60 QPF 12hr 0.15 0.08 0.02 0 0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L C C S S C C C C L L S Tstms L L C S S S C S C C C S Heat index 95 94 84 91 96 94 85 84 91 88 Max heat 95 96 96 98 91 90 Flood A A A A Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 87 68 89 65 85 64 88 Temp 69 69 83 77 70 70 85 77 69 67 82 75 67 68 83 77 Dewpt 69 69 73 73 70 70 72 72 69 67 69 69 66 67 72 71 PWind dir W SW SW W NW NE SE SE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B2 B2 B2 B1 B1 B2 B1 B1 B1 B1 SC B1 B1 B1 PoP 12hr 20 80 50 70 30 40 30 50 Rain shwrs S S C D C C C L C S C C S C C Tstms S S C C C S S S $$ MDZ014-162000- Annapolis MD 38.99N 76.49W Elev. 7 ft 140 PM EDT Wed Jul 16 2025 Date Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 77 92 78 86 Temp 86 85 83 79 79 79 80 86 90 90 86 83 81 80 80 82 85 84 82 Dewpt 77 76 76 76 76 75 75 76 75 75 75 76 74 73 72 71 71 71 71 RH 75 75 80 91 91 88 85 72 62 62 70 80 79 79 77 69 63 65 69 Wind dir S S S SW SW SW SW W W SW SW W W NW NW N N NW NE Wind spd 10 10 11 9 9 10 11 10 10 10 8 5 5 5 5 6 8 6 4 Clouds B1 B1 OV B2 B1 B1 FW FW FW SC SC SC SC SC SC SC B1 B1 B1 PoP 12hr 60 40 20 10 30 QPF 12hr 0.13 0.51 0.05 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S C C S Tstms C C C C S C C S Heat index 97 94 91 85 96101101 95 91 86 84 84 86 90 89 86 Max heat 97 96 87 85 101 102 94 86 90 90 Flood A A A Date Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 84 75 87 73 84 72 83 Temp 76 76 81 80 77 78 85 82 77 76 80 79 74 75 81 79 Dewpt 71 69 72 73 74 74 74 74 72 69 69 68 69 69 69 69 PWind dir NE SE SW W N NE E E Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B2 B1 B1 B2 SC SC SC SC SC SC SC SC PoP 12hr 20 50 50 60 20 20 20 20 Rain shwrs S S C C C C L S S S S S S S Tstms S C C S C S $$