Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
626 FOUS51 KLWX 242039 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 438 PM EDT Sun Aug 24 2025 VAZ054-250800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 438 PM EDT Sun Aug 24 2025 Date 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 83 64 80 62 Temp 85 78 75 72 70 71 78 81 82 76 72 69 65 67 74 77 77 72 69 66 64 64 Dewpt 65 65 66 67 67 64 60 55 52 51 52 52 52 53 52 50 49 50 50 52 51 51 RH 51 64 74 84 90 79 54 41 35 42 49 55 63 61 46 39 37 46 51 61 63 63 Wind dir S S S S W N NW NW W NW NW NW NW NW NW W NW NW NW NW NW NW Wind spd 10 9 6 5 5 9 10 11 12 10 9 8 6 5 8 10 10 9 8 8 8 8 Clouds B1 B1 B1 SC FW FW FW FW FW FW SC B1 SC FW FW SC SC SC SC B1 SC FW PoP 12hr 20 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 87 81 Max heat 88 81 81 Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 60 79 63 81 62 79 63 80 Temp 75 70 64 64 76 72 66 66 78 71 66 65 77 71 66 65 78 72 Dewpt 48 47 50 51 49 51 55 56 53 55 57 56 53 54 57 57 56 57 PWind dir NW W SW SW W W NE SE SE Wind char GN LT LT LT LT LT LT LT LT Avg clouds FW FW FW B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 0 0 0 5 10 5 5 5 20 Rain shwrs S $$ MDZ013-250800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 438 PM EDT Sun Aug 24 2025 Date 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 83 61 80 59 Temp 83 76 73 70 69 70 77 81 81 74 68 66 62 63 73 76 77 72 66 63 61 62 Dewpt 67 67 67 67 67 66 61 58 55 54 53 52 52 54 54 53 52 53 53 52 51 52 RH 59 74 81 90 93 87 58 46 41 50 59 61 70 72 51 45 42 51 63 67 70 70 Wind dir SE S S SW W NW NW W W NW NW NW NW NW W W W NW NW NW NW NW Wind spd 9 5 3 2 2 5 8 9 9 5 5 3 3 3 5 6 8 5 4 4 4 5 Clouds B2 B2 B1 B1 FW FW FW FW FW FW FW SC FW FW FW SC SC SC SC B1 SC FW PoP 12hr 20 0 0 0 0 QPF 12hr 0.06 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Heat index 86 81 81 Max heat 86 81 81 Coast Flood Y Y Y Y Y Y Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 59 79 61 81 61 79 61 80 Temp 74 69 62 61 75 72 64 64 78 71 64 63 77 71 64 64 77 72 Dewpt 50 50 51 52 51 53 55 56 55 58 58 57 55 56 57 59 58 59 PWind dir NW NW SW SW SW NW NE E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC B1 B1 B1 SC SC SC SC SC FW SC SC SC SC SC B1 PoP 12hr 0 0 0 5 10 5 5 5 10 $$ MDZ011-250800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 438 PM EDT Sun Aug 24 2025 Date 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 87 66 83 64 Temp 81 80 78 74 73 74 81 85 85 77 75 70 67 69 77 81 81 74 73 68 66 67 Dewpt 66 64 65 66 66 64 58 55 52 51 52 52 52 52 51 50 49 50 51 52 51 50 RH 60 58 64 76 79 71 46 36 32 40 45 53 59 55 40 34 33 43 46 57 58 54 Wind dir SE S S S W NW NW W W NW NW NW NW NW NW W W NW NW NW NW NW Wind spd 9 5 3 2 2 5 8 10 10 5 5 3 3 2 5 6 8 5 4 4 4 5 Clouds B1 B2 B1 B1 FW FW FW FW FW FW FW SC FW FW FW SC SC SC SC SC FW FW PoP 12hr 20 0 0 0 0 QPF 12hr 0.04 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Heat index 83 82 81 Max heat 85 82 84 83 80 81 Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 63 83 66 84 65 82 65 83 Temp 78 71 67 66 80 73 69 69 81 73 68 68 80 73 69 69 81 74 Dewpt 48 47 49 50 47 50 54 54 53 55 57 55 53 54 57 57 56 56 PWind dir NW NW SW SW SW NE NE E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC B1 B1 B1 SC SC SC SC SC FW SC SC SC SC SC B1 PoP 12hr 0 0 0 0 10 5 5 5 10 $$ WVZ052-250800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 438 PM EDT Sun Aug 24 2025 Date 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 80 54 76 52 Temp 79 74 69 67 65 66 74 78 77 70 63 60 57 60 70 74 73 67 60 57 54 57 Dewpt 67 67 66 64 61 60 56 53 50 50 51 51 50 52 51 50 49 48 49 49 48 49 RH 67 79 90 90 87 81 53 42 39 49 65 72 77 75 51 43 43 50 67 75 80 75 Wind dir S S SW W NW NW NW NW W W W W W W W W NW NW NW NW NW NW Wind spd 5 3 2 2 5 5 9 10 10 6 5 2 2 2 8 9 9 5 5 4 4 4 Clouds OV B1 SC SC FW FW FW FW FW CL FW FW FW CL FW SC SC SC FW FW FW FW PoP 12hr 20 0 0 5 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S Tstms C S Obvis PF Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 51 77 54 78 55 77 56 79 Temp 72 66 55 56 74 67 58 59 75 68 58 58 75 68 60 59 76 69 Dewpt 47 48 48 49 47 48 50 51 51 53 54 53 52 53 54 54 54 55 PWind dir NW W SW SW NW NW N SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC B1 B1 SC SC SC SC SC FW FW SC SC SC SC SC SC PoP 12hr 0 0 0 0 10 5 5 5 20 Rain shwrs S $$ VAZ506-250800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 438 PM EDT Sun Aug 24 2025 Date 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 65 82 59 78 57 Temp 83 75 71 69 66 67 76 80 79 72 66 63 59 61 71 76 74 69 64 61 58 59 Dewpt 65 69 69 68 66 64 63 59 57 55 53 52 52 54 56 54 53 53 52 52 50 51 RH 55 82 93 97100 90 64 49 47 55 63 67 78 78 59 46 48 57 65 72 75 75 Wind dir S S S W NW NW NW W W NW NW NW NW NW NW W NW NW NW NW NW NW Wind spd 6 4 3 2 4 5 10 10 10 8 5 4 3 3 5 6 9 5 5 5 5 5 Clouds B2 B2 B1 SC FW FW FW FW FW FW SC SC FW FW FW SC SC SC SC SC FW FW PoP 12hr 20 0 0 0 0 QPF 12hr 0.32 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S Tstms C S Heat index 85 81 Max heat 86 81 81 Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 55 78 59 81 59 79 59 80 Temp 73 66 58 59 75 69 62 62 78 70 63 61 77 70 62 62 77 71 Dewpt 52 51 50 51 53 53 54 55 56 57 57 56 57 56 57 58 60 59 PWind dir NW NW SW SW W N NE S SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC B1 SC PoP 12hr 0 0 0 5 10 5 5 5 20 Rain shwrs S $$ VAZ037-250800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 438 PM EDT Sun Aug 24 2025 Date 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 81 56 78 55 Temp 82 73 70 67 65 66 75 80 79 72 65 61 58 60 71 76 75 69 63 60 57 58 Dewpt 66 67 67 66 63 63 59 55 54 54 52 52 51 52 51 49 49 51 50 49 49 50 RH 58 81 90 97 93 90 58 42 42 53 63 72 77 75 49 39 40 53 62 67 75 75 Wind dir S N N W W W NW NW NW NW NW W W W W W NW NW NW NW NW NW Wind spd 5 2 2 2 3 4 5 5 6 5 5 3 3 3 4 5 5 5 5 3 3 3 Clouds OV B1 SC FW FW FW FW SC SC FW SC B1 SC FW FW SC SC B1 SC SC SC FW PoP 12hr 30 0 0 0 0 QPF 12hr 0.07 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C Tstms C S Obvis PF Heat index 84 80 Max heat 84 80 80 Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 54 77 56 79 57 77 58 78 Temp 73 66 57 58 74 68 61 60 76 69 61 60 75 68 61 60 76 69 Dewpt 48 49 49 50 50 52 53 54 53 55 55 56 55 55 55 56 56 57 PWind dir N NW SW SW SW N E NW SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 5 10 5 10 5 20 Rain shwrs S $$ MDZ003-250800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 438 PM EDT Sun Aug 24 2025 Date 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 81 54 77 52 Temp 79 75 70 67 64 65 74 78 76 69 63 59 56 59 70 74 73 67 61 57 53 56 Dewpt 66 68 67 66 62 61 59 56 52 53 52 51 51 52 55 53 51 50 50 50 48 50 RH 64 79 90 97 93 87 59 47 43 57 67 75 83 78 59 48 46 54 67 77 83 80 Wind dir S S S NW NW NW NW NW W NW W W W W W W W NW NW NW NW NW Wind spd 6 4 3 2 3 4 9 10 10 6 4 2 2 2 6 9 9 6 5 4 3 3 Clouds B2 SC SC SC SC FW FW FW FW CL FW FW CL CL FW SC SC SC FW FW CL CL PoP 12hr 30 0 0 5 0 QPF 12hr 0.02 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C Tstms C S S Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 52 78 55 80 55 79 57 80 Temp 73 65 55 56 75 67 59 59 77 69 59 59 75 69 61 59 76 70 Dewpt 49 49 48 49 49 49 50 52 54 55 54 53 54 54 54 54 56 56 PWind dir NW W SW SW NW N N E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC B1 B1 SC SC SC SC SC SC FW SC SC SC SC SC B1 PoP 12hr 0 0 0 0 10 5 5 5 20 Rain shwrs S $$ MDZ017-250800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 438 PM EDT Sun Aug 24 2025 Date 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 84 66 80 64 Temp 81 75 73 71 69 72 79 82 81 76 73 70 67 69 74 77 78 73 70 68 66 67 Dewpt 67 68 68 68 67 68 66 62 60 60 59 56 55 57 56 55 55 56 56 55 55 56 RH 63 79 84 90 93 87 64 51 49 58 62 61 65 66 53 47 45 55 61 63 68 68 Wind dir SE SE S SW W NW NW NW NW NW NW NW NW NW NW NW W NW NW N N N Wind spd 10 8 5 4 5 6 9 8 6 4 5 6 5 5 5 5 5 4 5 6 8 9 Clouds B1 FW FW SC FW CL FW FW FW FW SC B1 SC FW FW SC SC SC SC SC B1 FW PoP 12hr 10 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 83 83 82 Max heat 83 83 83 Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 62 79 65 80 64 79 65 79 Temp 75 71 65 67 76 72 69 69 78 72 68 68 76 71 67 69 77 73 Dewpt 53 53 54 56 54 58 59 60 58 60 60 61 59 59 61 62 61 60 PWind dir NW NW SW S S W NE E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC B1 B1 SC B1 SC SC FW FW FW SC FW SC SC SC PoP 12hr 0 0 0 5 5 5 5 5 10 $$ WVZ502-250800- Petersburg WV 38.99N 79.15W Elev. 963 ft 438 PM EDT Sun Aug 24 2025 Date 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 79 51 75 48 Temp 82 74 67 64 60 60 71 76 76 67 59 55 53 54 69 73 73 64 55 52 49 51 Dewpt 65 67 64 61 59 58 57 53 52 52 51 50 49 50 51 50 49 49 48 47 46 47 RH 56 79 90 90 96 93 61 45 43 59 75 83 86 86 53 44 43 58 77 83 89 86 Wind dir W W SW SW W W NW W W W W W W W W W NW NW W W W W Wind spd 3 3 2 2 2 2 5 9 9 5 3 2 2 2 5 8 8 5 2 2 2 2 Clouds B2 SC FW SC FW FW FW FW FW FW FW FW FW FW FW SC SC SC FW FW FW FW PoP 12hr 10 0 0 10 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Tstms C Obvis PF+PF+ Heat index 84 Max heat 84 Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 49 78 51 79 52 79 53 81 Temp 72 63 52 52 75 66 55 54 76 67 56 54 76 68 57 56 76 69 Dewpt 48 49 46 46 49 52 48 49 53 55 52 52 54 55 52 52 56 57 PWind dir NW W W W NW W NE SW S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 5 10 5 10 5 20 Rain shwrs S $$ MDZ014-250800- Annapolis MD 38.99N 76.49W Elev. 7 ft 438 PM EDT Sun Aug 24 2025 Date 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 81 64 77 62 Temp 79 77 74 72 70 72 77 80 80 77 71 68 66 67 72 75 76 73 69 66 64 65 Dewpt 68 66 69 68 67 67 62 59 56 55 56 55 55 56 54 53 52 53 55 55 54 54 RH 69 69 84 87 90 84 60 49 44 47 59 63 68 68 53 46 43 49 61 68 70 68 Wind dir S S S S W NW NW NW NW NW NW NW NW NW NW W W NW NW NW NW NW Wind spd 10 9 5 3 4 5 9 10 10 6 5 5 5 4 5 8 8 5 5 5 6 6 Clouds B1 B1 B1 B1 SC FW FW FW FW FW SC SC SC FW FW SC SC SC SC SC SC FW PoP 12hr 20 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 81 80 Max heat 82 81 81 Coast Flood Y Y Y Y Y Y Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 61 77 63 77 63 76 63 76 Temp 73 71 65 64 74 72 67 67 75 73 66 66 74 72 67 67 75 73 Dewpt 50 50 53 54 51 54 58 58 56 58 60 58 57 57 60 60 58 59 PWind dir NW W SW SW SW W NE SE E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC B1 B1 SC SC FW SC SC FW SC SC SC SC SC SC PoP 12hr 0 0 0 5 10 5 5 5 10 $$