Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
434 FOUS51 KLWX 241605 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1205 PM EDT Sun Aug 24 2025 VAZ054-242000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1205 PM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 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 69 83 64 80 Temp 83 84 78 75 72 70 71 78 81 82 76 72 69 65 67 74 77 77 72 Dewpt 64 65 65 66 67 67 64 60 55 52 51 52 52 52 53 52 50 49 50 RH 53 53 64 74 84 90 79 54 41 35 42 49 55 63 61 46 39 37 46 Wind dir S S S S S W N NW NW W NW NW NW NW NW NW W NW NW Wind spd 9 10 9 6 5 5 9 10 11 12 10 9 8 6 5 8 10 10 9 Clouds SC B1 B1 B1 SC FW FW FW FW FW FW SC B1 SC FW FW SC SC SC PoP 12hr 10 20 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 84 86 81 Max heat 84 86 81 81 Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 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 77 60 79 63 81 62 79 Temp 66 64 75 70 64 64 76 72 66 66 78 71 66 65 77 71 Dewpt 52 51 48 47 50 51 49 51 55 56 53 55 57 56 53 54 PWind dir NW NW W SW SW W W NE Wind char GN GN LT LT LT LT LT LT Avg clouds SC SC FW FW FW B1 B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 5 10 5 5 $$ MDZ013-242000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1205 PM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 67 83 61 80 Temp 82 81 76 73 70 69 70 77 81 81 74 68 66 62 63 73 76 77 72 Dewpt 67 67 67 67 67 67 66 61 58 55 54 53 52 52 54 54 53 52 53 RH 61 63 74 81 90 93 87 58 46 41 50 59 61 70 72 51 45 42 51 Wind dir S SE S S SW W NW NW W W NW NW NW NW NW W W W NW Wind spd 8 9 5 3 2 2 5 8 9 9 5 5 3 3 3 5 6 8 5 Clouds B1 B1 B2 B1 B1 FW FW FW FW FW FW FW SC FW FW FW SC SC SC PoP 12hr 20 20 0 0 0 QPF 12hr 0 0.06 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Heat index 85 83 81 81 Max heat 85 86 81 81 Coast Flood Y Y Y Y Y Y Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 77 59 79 61 81 61 79 Temp 63 62 74 69 62 61 75 72 64 64 78 71 64 63 77 71 Dewpt 52 52 50 50 51 52 51 53 55 56 55 58 58 57 55 56 PWind dir NW NW NW SW SW SW NW NE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW SC SC B1 B1 B1 SC SC SC SC SC FW SC SC PoP 12hr 0 0 0 0 5 10 5 5 $$ MDZ011-242000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1205 PM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 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 87 72 87 66 83 Temp 86 85 80 78 74 73 74 81 85 85 77 75 70 67 69 77 81 81 74 Dewpt 64 64 64 65 66 66 64 58 55 52 51 52 52 52 52 51 50 49 50 RH 48 50 58 64 76 79 71 46 36 32 40 45 53 59 55 40 34 33 43 Wind dir SE SE S S S W NW NW W W NW NW NW NW NW NW W W NW Wind spd 9 9 5 3 2 2 5 8 10 10 5 5 3 3 2 5 6 8 5 Clouds B1 B2 B2 B1 B1 FW FW FW FW FW FW FW SC FW FW FW SC SC SC PoP 12hr 20 20 0 0 0 QPF 12hr 0 0.04 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Heat index 87 86 82 81 Max heat 87 88 82 84 83 80 81 Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 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 80 63 83 66 84 65 82 Temp 68 67 78 71 67 66 80 73 69 69 81 73 68 68 80 73 Dewpt 52 50 48 47 49 50 47 50 54 54 53 55 57 55 53 54 PWind dir NW NW NW SW SW SW NE NE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW SC SC B1 B1 B1 SC SC SC SC SC FW SC SC PoP 12hr 0 0 0 0 0 10 5 5 $$ WVZ052-242000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1205 PM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 62 80 54 76 Temp 81 79 74 69 67 65 66 74 78 77 70 63 60 57 60 70 74 73 67 Dewpt 67 66 67 66 64 61 60 56 53 50 50 51 51 50 52 51 50 49 48 RH 63 64 79 90 90 87 81 53 42 39 49 65 72 77 75 51 43 43 50 Wind dir S S S SW W NW NW NW NW W W W W W W W W NW NW Wind spd 5 5 3 2 2 5 5 9 10 10 6 5 2 2 2 8 9 9 5 Clouds B2 B2 B1 SC SC FW FW FW FW FW CL FW FW FW CL FW SC SC SC PoP 12hr 40 20 0 0 5 QPF 12hr 0.07 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S Tstms S C S Obvis PF Heat index 83 Max heat 83 85 Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 75 51 77 54 78 55 77 Temp 57 57 72 66 55 56 74 67 58 59 75 68 58 58 75 68 Dewpt 49 49 47 48 48 49 47 48 50 51 51 53 54 53 52 53 PWind dir NW NW W SW SW NW NW N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC B1 B1 SC SC SC SC SC FW FW SC SC PoP 12hr 0 0 0 0 0 10 5 5 $$ VAZ506-242000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1205 PM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 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 65 82 59 78 Temp 82 82 75 71 69 66 67 76 80 79 72 66 63 59 61 71 76 74 69 Dewpt 69 69 69 69 68 66 64 63 59 57 55 53 52 52 54 56 54 53 53 RH 65 65 82 93 97100 90 64 49 47 55 63 67 78 78 59 46 48 57 Wind dir S S S S W NW NW NW W W NW NW NW NW NW NW W NW NW Wind spd 6 6 4 3 2 4 5 10 10 10 8 5 4 3 3 5 6 9 5 Clouds SC B2 B2 B1 SC FW FW FW FW FW FW SC SC FW FW FW SC SC SC PoP 12hr 30 20 0 0 0 QPF 12hr 0.05 0.32 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S Tstms C S Heat index 85 85 81 Max heat 85 88 81 81 Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 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 76 55 78 59 81 59 79 Temp 61 59 73 66 58 59 75 69 62 62 78 70 63 61 77 70 Dewpt 52 51 52 51 50 51 53 53 54 55 56 57 57 56 57 56 PWind dir NW NW NW SW SW W N NE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 5 10 5 5 $$ VAZ037-242000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1205 PM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 63 81 56 78 Temp 81 80 73 70 67 65 66 75 80 79 72 65 61 58 60 71 76 75 69 Dewpt 66 67 67 67 66 63 63 59 55 54 54 52 52 51 52 51 49 49 51 RH 60 65 81 90 97 93 90 58 42 42 53 63 72 77 75 49 39 40 53 Wind dir S S N N W W W NW NW NW NW NW W W W W W NW NW Wind spd 5 5 2 2 2 3 4 5 5 6 5 5 3 3 3 4 5 5 5 Clouds B1 B1 B1 SC FW FW FW FW SC SC FW SC B1 SC FW FW SC SC B1 PoP 12hr 50 30 0 0 0 QPF 12hr 0.18 0.07 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms C S Obvis PF Heat index 83 82 80 Max heat 83 83 80 80 Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 75 54 77 56 79 57 77 Temp 60 58 73 66 57 58 74 68 61 60 76 69 61 60 75 68 Dewpt 49 50 48 49 49 50 50 52 53 54 53 55 55 56 55 55 PWind dir NW N NW SW SW SW N E Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC FW SC SC B2 B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 0 0 0 0 5 10 5 10 $$ MDZ003-242000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1205 PM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 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 63 81 54 77 Temp 81 81 75 70 67 64 65 74 78 76 69 63 59 56 59 70 74 73 67 Dewpt 69 68 68 67 66 62 61 59 56 52 53 52 51 51 52 55 53 51 50 RH 67 65 79 90 97 93 87 59 47 43 57 67 75 83 78 59 48 46 54 Wind dir S S S S NW NW NW NW NW W NW W W W W W W W NW Wind spd 5 6 4 3 2 3 4 9 10 10 6 4 2 2 2 6 9 9 6 Clouds B2 B2 SC SC SC SC FW FW FW FW CL FW FW CL CL FW SC SC SC PoP 12hr 40 30 0 0 5 QPF 12hr 0.01 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S C Tstms S C S S Heat index 84 84 Max heat 84 85 Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 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 52 75 52 78 55 80 55 79 Temp 57 56 73 65 55 56 75 67 59 59 77 69 59 59 75 69 Dewpt 50 50 49 49 48 49 49 49 50 52 54 55 54 53 54 54 PWind dir NW NW W SW SW NW N N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC B1 B1 SC SC SC SC SC SC FW SC SC PoP 12hr 0 0 0 0 0 10 5 5 $$ MDZ017-242000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1205 PM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 68 84 66 80 Temp 81 80 75 73 71 69 72 79 82 81 76 73 70 67 69 74 77 78 73 Dewpt 67 67 68 68 68 67 68 66 62 60 60 59 56 55 57 56 55 55 56 RH 63 65 79 84 90 93 87 64 51 49 58 62 61 65 66 53 47 45 55 Wind dir SE SE SE S SW W NW NW NW NW NW NW NW NW NW NW NW W NW Wind spd 10 10 8 5 4 5 6 9 8 6 4 5 6 5 5 5 5 5 4 Clouds SC SC FW FW SC FW CL FW FW FW FW SC B1 SC FW FW SC SC SC PoP 12hr 5 10 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 83 82 83 82 Max heat 83 83 83 83 Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 77 62 79 65 80 64 79 Temp 68 67 75 71 65 67 76 72 69 69 78 72 68 68 76 71 Dewpt 55 56 53 53 54 56 54 58 59 60 58 60 60 61 59 59 PWind dir NW NW NW SW S S W NE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW SC B1 B1 SC B1 SC SC FW FW FW SC PoP 12hr 5 0 0 0 5 5 5 5 $$ WVZ502-242000- Petersburg WV 38.99N 79.15W Elev. 963 ft 1205 PM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 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 86 58 79 51 75 Temp 84 82 74 67 64 60 60 71 76 76 67 59 55 53 54 69 73 73 64 Dewpt 65 66 67 64 61 59 58 57 53 52 52 51 50 49 50 51 50 49 49 RH 53 58 79 90 90 96 93 61 45 43 59 75 83 86 86 53 44 43 58 Wind dir W W W SW SW W W NW W W W W W W W W W NW NW Wind spd 3 3 3 2 2 2 2 5 9 9 5 3 2 2 2 5 8 8 5 Clouds B2 B1 SC FW SC FW FW FW FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 40 10 0 0 10 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms C C Obvis PF+PF+ Heat index 86 84 Max heat 86 86 Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 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 48 75 49 78 51 79 52 79 Temp 52 51 72 63 52 52 75 66 55 54 76 67 56 54 76 68 Dewpt 47 47 48 49 46 46 49 52 48 49 53 55 52 52 54 55 PWind dir W NW W W W NW W NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 5 10 5 10 $$ MDZ014-242000- Annapolis MD 38.99N 76.49W Elev. 7 ft 1205 PM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 69 81 64 77 Temp 79 79 77 74 72 70 72 77 80 80 77 71 68 66 67 72 75 76 73 Dewpt 66 66 66 69 68 67 67 62 59 56 55 56 55 55 56 54 53 52 53 RH 64 64 69 84 87 90 84 60 49 44 47 59 63 68 68 53 46 43 49 Wind dir S S S S S W NW NW NW NW NW NW NW NW NW NW W W NW Wind spd 10 10 9 5 3 4 5 9 10 10 6 5 5 5 4 5 8 8 5 Clouds SC SC B1 B1 B1 SC FW FW FW FW FW SC SC SC FW FW SC SC SC PoP 12hr 10 20 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 80 Max heat 82 81 81 Coast Flood Y Y Y Y Y Y Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 75 61 77 63 77 63 76 Temp 66 65 73 71 65 64 74 72 67 67 75 73 66 66 74 72 Dewpt 55 54 50 50 53 54 51 54 58 58 56 58 60 58 57 57 PWind dir NW NW W SW SW SW W NE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW SC B1 B1 SC SC FW SC SC FW SC SC PoP 12hr 0 0 0 0 5 10 5 5 $$