Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
279 FOUS51 KLWX 241305 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 905 AM EDT Sun Aug 24 2025 VAZ054-242000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 905 AM 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 84 63 79 Temp 80 84 83 78 75 73 71 71 77 82 82 76 72 69 65 64 72 77 77 72 Dewpt 66 64 64 66 67 68 67 65 61 56 53 52 53 53 53 53 52 49 49 49 RH 62 51 53 67 76 84 87 81 58 41 37 43 51 57 65 67 49 37 37 44 Wind dir S S S SE S S W NW NW NW NW NW NW NW NW NW NW W NW NW Wind spd 8 9 10 9 6 5 5 8 10 11 11 10 9 8 6 5 9 10 10 9 Clouds SC B1 B1 SC B1 B1 FW FW FW FW FW FW SC SC SC SC FW SC SC SC PoP 12hr 20 30 0 0 0 QPF 12hr 0 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C Tstms S S S Heat index 82 85 84 82 Max heat 85 86 82 82 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 61 77 59 80 61 81 61 80 Temp 66 62 74 71 62 62 78 71 65 63 79 72 64 63 78 73 Dewpt 51 51 46 46 48 50 47 50 53 53 51 52 55 54 52 53 PWind dir NW NW W SW SW NW NE NE Wind char GN GN LT LT LT LT LT LT Avg clouds SC SC FW FW FW SC B1 SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 5 5 5 $$ MDZ013-242000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 905 AM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 67 83 61 79 Temp 79 84 82 76 72 69 68 68 76 81 81 74 68 64 61 63 73 77 77 71 Dewpt 67 67 67 67 68 68 67 66 61 59 56 55 54 53 53 54 55 52 52 52 RH 67 57 61 74 87 97 97 93 60 47 42 51 61 67 75 72 53 42 42 51 Wind dir S S SE S S SW W NW NW NW W NW NW NW NW NW W W NW NW Wind spd 5 8 9 5 3 2 2 4 6 9 9 5 5 4 3 3 5 6 8 5 Clouds SC B1 B1 SC B1 B2 SC FW FW FW FW FW FW SC FW SC FW SC SC SC PoP 12hr 20 30 0 0 0 QPF 12hr 0 0.04 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C Tstms S S Heat index 87 85 81 81 Max heat 87 85 81 82 Coast Flood Y Y Y Y Y Y Y Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 77 57 79 60 80 60 78 Temp 63 60 74 71 60 60 76 70 62 62 78 71 63 61 76 69 Dewpt 52 52 49 49 50 51 50 53 53 54 53 55 55 55 54 55 PWind dir NW NW W W SW NW N NE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW SC FW SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 5 5 5 $$ MDZ011-242000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 905 AM 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 88 72 87 66 83 Temp 83 86 86 81 79 77 74 72 82 85 85 77 75 72 68 66 77 81 81 75 Dewpt 64 65 64 64 66 67 66 65 59 56 54 52 53 52 53 53 51 50 49 49 RH 53 50 48 56 64 71 76 79 46 37 35 42 46 49 59 63 40 34 33 40 Wind dir S SE SE S S SW W NW NW NW W NW NW NW NW NW W W W NW Wind spd 6 9 9 5 3 2 2 4 6 9 10 5 5 4 3 3 5 8 9 5 Clouds B1 B1 B1 B1 B1 B2 SC FW FW FW FW FW FW FW FW SC FW SC SC SC PoP 12hr 20 30 0 0 0 QPF 12hr 0 0.04 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S Tstms S S Heat index 84 88 87 83 82 Max heat 88 89 83 84 84 80 80 Coast Flood Y 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 63 80 61 82 63 84 64 82 Temp 69 63 77 74 67 62 80 74 68 64 81 75 68 64 79 74 Dewpt 51 50 46 46 48 49 47 49 51 52 51 52 54 54 51 52 PWind dir NW NW NW W SW NW N NE Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC FW SC SC SC SC FW SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 5 5 5 $$ WVZ052-242000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 905 AM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 62 80 54 76 Temp 74 80 81 74 68 66 64 65 74 78 77 70 62 57 55 58 70 75 74 67 Dewpt 65 67 66 67 66 64 61 60 57 53 51 51 51 51 50 51 51 50 48 48 RH 74 65 60 79 93 93 90 84 55 42 40 51 67 80 83 77 51 41 40 50 Wind dir S S S S S NW NW NW NW NW NW NW W W W W W NW NW NW Wind spd 5 5 5 3 2 2 4 5 9 10 10 5 4 3 2 3 6 9 9 5 Clouds B2 B2 B2 B1 SC SC FW FW CL FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 50 30 0 0 5 QPF 12hr 0.44 0.06 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S Tstms S C C C Heat index 82 83 Max heat 82 83 Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 74 50 76 52 78 53 77 Temp 56 55 72 66 53 54 74 67 55 56 76 69 57 56 75 68 Dewpt 48 48 46 47 47 47 46 48 48 50 50 51 52 51 51 52 PWind dir NW NW W W NW NW N N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC SC SC SC SC FW SC SC SC SC SC PoP 12hr 0 0 0 0 0 5 5 5 $$ VAZ506-242000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 905 AM 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 81 58 77 Temp 76 82 82 76 72 70 67 67 75 79 79 72 65 61 58 60 71 75 75 68 Dewpt 69 70 69 69 69 69 66 64 62 59 56 55 54 53 53 54 56 54 53 52 RH 79 67 65 79 90 97 97 90 64 50 45 55 68 75 83 81 59 48 46 57 Wind dir S S S S S SW NW NW NW NW NW NW NW NW NW NW NW W NW NW Wind spd 5 6 6 5 3 2 4 5 9 9 10 6 5 4 3 3 6 8 9 5 Clouds B1 B2 B2 B1 B2 SC SC FW FW FW FW FW SC SC FW SC FW SC SC SC PoP 12hr 30 30 0 0 0 QPF 12hr 0 0.08 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C Tstms S C S Heat index 86 85 Max heat 86 88 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 56 75 54 77 56 79 57 78 Temp 59 58 73 68 56 56 75 68 59 59 77 70 60 58 77 69 Dewpt 52 51 51 50 50 50 52 53 53 53 55 55 54 54 55 55 PWind dir NW NW NW W SW NW N N Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 5 5 5 $$ VAZ037-242000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 905 AM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 63 82 56 78 Temp 75 80 81 75 70 67 65 65 74 80 80 72 65 60 57 58 71 76 76 68 Dewpt 65 66 66 67 68 66 64 63 59 54 53 53 52 52 51 52 51 50 49 49 RH 71 62 60 76 93 97 97 93 59 41 39 51 63 75 80 80 49 40 39 51 Wind dir S S S S NE W W NW NW NW NW NW NW NW NW W NW W NW NW Wind spd 4 5 5 3 2 2 3 4 5 5 6 5 5 3 2 2 4 5 5 5 Clouds SC B1 B1 B1 B1 SC FW FW FW FW FW SC SC SC SC FW SC SC B1 B1 PoP 12hr 40 30 0 0 0 QPF 12hr 0.06 0.12 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C S Tstms C C S Obvis PF Heat index 82 83 80 80 Max heat 82 83 80 80 Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 75 53 77 55 79 57 78 Temp 58 56 73 68 56 55 75 68 58 57 77 69 59 59 76 70 Dewpt 49 50 47 48 48 49 49 51 51 52 51 52 54 54 53 54 PWind dir NW N NW SW W N N E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW B1 B1 SC SC SC FW SC SC SC SC SC PoP 12hr 0 0 0 0 0 5 5 10 $$ MDZ003-242000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 905 AM 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 73 81 81 73 69 66 63 64 73 78 77 69 62 57 54 57 69 74 72 65 Dewpt 67 70 68 69 68 66 63 61 60 56 54 53 53 52 51 53 54 52 51 50 RH 81 69 65 87 97100100 90 64 47 45 57 72 83 90 86 59 46 48 58 Wind dir S S S S S NW NW NW NW W W NW NW NW W W W W NW NW Wind spd 5 5 6 4 2 2 3 4 9 10 10 6 4 3 2 2 5 9 9 6 Clouds B2 B2 B1 B1 B1 SC SC FW CL FW FW FW FW FW CL CL FW SC SC FW PoP 12hr 50 40 0 0 5 QPF 12hr 0.18 0.10 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C Tstms S C C C S Heat index 85 84 Max heat 85 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 74 52 77 54 78 54 77 Temp 55 55 72 66 54 54 75 67 58 57 76 67 57 56 74 68 Dewpt 50 50 49 48 48 49 50 50 49 50 53 53 52 52 53 53 PWind dir NW NW W W NW N N N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC FW SC SC SC SC SC FW SC SC SC SC SC PoP 12hr 0 0 0 0 5 5 5 5 $$ MDZ017-242000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 905 AM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 69 84 65 79 Temp 79 80 80 75 73 71 70 71 78 82 82 76 73 69 66 68 74 77 78 73 Dewpt 68 68 68 69 69 69 68 69 66 63 61 60 58 57 55 59 57 55 55 57 RH 69 67 67 82 87 93 93 93 67 53 49 58 59 66 68 73 55 47 45 57 Wind dir SE SE SE SE S S SW NW NW NW NW NW NW NW NW NW NW NW W NW Wind spd 6 10 10 8 5 5 5 5 8 6 6 5 5 6 6 5 5 5 5 4 Clouds B1 B1 FW FW SC SC SC CL FW FW FW FW SC SC SC SC SC SC SC SC PoP 12hr 10 20 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Heat index 83 83 83 83 Max heat 83 85 83 83 Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 77 62 78 63 80 63 78 Temp 67 66 75 71 64 65 76 71 66 67 79 73 66 66 76 71 Dewpt 55 56 53 53 54 56 54 57 58 59 56 58 59 60 57 58 PWind dir NW N NW SW SW NW W NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC FW FW FW SC SC SC SC SC FW SC SC SC FW SC PoP 12hr 0 0 0 0 0 5 5 10 $$ WVZ502-242000- Petersburg WV 38.99N 79.15W Elev. 963 ft 905 AM 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 58 79 52 76 Temp 77 83 81 72 66 63 60 60 72 77 77 67 59 55 52 54 68 73 74 63 Dewpt 69 67 66 66 64 61 59 58 56 53 52 52 51 50 49 50 51 49 49 49 RH 76 59 60 81 93 93 96 93 57 43 42 59 75 83 89 86 54 43 41 60 Wind dir W W W NE SW N W W NW W W W W W W W W W NW NW Wind spd 2 2 3 3 2 2 2 2 5 9 10 5 3 2 2 2 5 8 8 5 Clouds B1 B1 B1 SC FW FW SC FW FW FW FW FW FW FW SC SC FW SC FW FW PoP 12hr 50 20 0 0 5 QPF 12hr 0.03 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S Tstms C C S Obvis PF Heat index 86 83 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 74 48 78 50 79 51 79 Temp 51 50 72 64 50 51 75 66 53 53 76 66 54 53 77 67 Dewpt 47 47 47 49 46 45 48 50 46 47 51 54 51 50 53 55 PWind dir W NW W W W NW W NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 10 5 10 $$ MDZ014-242000- Annapolis MD 38.99N 76.49W Elev. 7 ft 905 AM EDT Sun Aug 24 2025 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 69 81 64 77 Temp 77 81 81 78 75 72 71 71 77 80 80 76 71 69 66 65 72 75 76 73 Dewpt 67 67 66 67 70 69 68 67 63 59 57 56 57 56 56 56 55 53 53 53 RH 71 63 60 69 84 90 90 87 62 49 45 50 61 63 70 73 55 46 45 49 Wind dir S S S S S SW W NW NW NW W NW NW NW NW NW NW W W NW Wind spd 9 10 11 9 5 4 4 5 8 9 9 6 5 5 5 5 5 6 8 5 Clouds SC SC SC SC B1 B1 SC FW FW FW FW FW FW SC FW SC SC SC SC SC PoP 12hr 20 30 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S Heat index 83 83 81 80 Max heat 83 83 81 81 Coast Flood Y Y Y Y Y Y Y Date Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 74 60 76 62 77 62 76 Temp 67 63 72 72 63 63 74 72 65 65 75 72 66 64 74 71 Dewpt 54 53 50 50 53 53 50 54 56 56 54 55 58 58 55 56 PWind dir NW NW W SW SW N N NE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW SC SC SC SC FW SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 5 5 5 $$