Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
461 FOUS51 KLWX 231606 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1206 PM EDT Sat Aug 23 2025 VAZ054-232000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1206 PM EDT Sat Aug 23 2025 Date Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 69 85 69 83 Temp 81 81 75 72 70 70 71 78 83 83 77 74 72 70 71 77 80 81 75 Dewpt 58 58 61 63 65 65 65 65 65 65 66 68 68 67 65 61 56 53 53 RH 46 46 62 73 84 84 81 64 55 55 69 82 87 90 81 58 44 38 46 Wind dir S S SE S S S S S S S SE S SW W NW NW NW NW NW Wind spd 10 12 8 5 9 8 6 8 9 10 9 6 5 5 8 10 11 11 10 Clouds FW B1 FW FW SC SC B1 SC B1 B1 B1 B1 B1 SC FW FW FW FW FW PoP 12hr 0 5 20 20 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S S Heat index 81 81 85 85 80 Max heat 81 83 85 85 80 81 Date Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 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 78 61 76 59 79 61 81 Temp 68 66 77 72 66 63 74 70 62 63 77 71 65 64 79 73 Dewpt 53 53 50 49 51 50 46 46 49 51 47 49 53 54 51 53 PWind dir NW NW NW NW NW W SW W Wind char GN GN GN GN LT LT LT LT Avg clouds SC SC SC SC SC SC FW FW FW FW SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 0 0 5 $$ MDZ013-232000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1206 PM EDT Sat Aug 23 2025 Date Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 67 84 67 83 Temp 80 80 74 70 69 68 69 78 82 81 76 72 70 68 69 77 80 80 74 Dewpt 60 61 64 65 65 65 66 68 68 67 68 68 68 67 67 63 59 57 55 RH 51 52 71 84 87 90 90 71 63 63 76 87 93 97 93 62 49 45 51 Wind dir SE S S S S S S S S S S S SW W NW NW W W NW Wind spd 9 10 8 5 5 4 4 5 8 9 5 4 2 2 4 8 9 9 5 Clouds FW SC SC FW SC SC SC B1 B1 B1 B1 B1 B1 SC FW FW FW FW FW PoP 12hr 0 5 20 30 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C Tstms C S Heat index 81 81 85 83 81 80 Max heat 81 82 85 85 81 81 Coast Flood W W W W W W W Date Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 78 58 77 57 79 60 81 Temp 66 63 76 71 63 61 74 69 61 61 76 71 63 63 79 73 Dewpt 53 55 53 53 52 51 49 49 50 51 49 52 52 53 54 56 PWind dir NW NW NW NW NW W SW W Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC SC SC FW SC FW FW SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 0 0 5 $$ MDZ011-232000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1206 PM EDT Sat Aug 23 2025 Date Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 88 72 86 Temp 84 84 77 77 73 73 74 83 85 85 79 78 74 73 75 82 84 84 77 Dewpt 58 58 61 63 64 64 65 65 65 64 66 67 68 67 65 60 57 54 53 RH 41 41 58 62 73 73 74 55 51 50 64 69 82 81 71 47 40 36 43 Wind dir SE SE S S S S S S SE SE S S SW W NW NW W W NW Wind spd 10 11 9 6 5 4 4 5 9 9 5 3 2 2 4 8 9 10 5 Clouds FW SC SC FW SC SC SC B1 B2 B2 B1 B2 B1 SC FW FW FW SC FW PoP 12hr 0 5 20 40 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C Tstms C S Heat index 84 84 85 87 86 82 Max heat 84 84 87 88 84 84 Coast Flood Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 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 81 63 80 62 83 64 84 Temp 70 69 79 72 68 66 77 71 66 66 80 73 68 68 82 74 Dewpt 52 52 51 50 50 49 46 46 49 49 47 49 52 52 52 54 PWind dir NW NW NW NW NW W SW W Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC SC SC FW SC FW FW SC SC SC SC SC B1 PoP 12hr 0 0 0 0 0 0 0 5 $$ WVZ052-232000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1206 PM EDT Sat Aug 23 2025 Date Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 64 82 62 79 Temp 81 81 75 70 68 67 68 75 79 79 73 69 66 64 65 74 78 76 70 Dewpt 62 62 61 60 61 61 63 65 67 66 67 66 64 61 61 57 53 52 51 RH 53 53 62 71 78 81 84 71 67 64 81 90 93 90 87 55 42 43 51 Wind dir S S SE S S S S S S S S S W W NW NW NW W W Wind spd 11 13 10 10 6 6 4 4 5 5 3 2 2 3 5 10 10 10 6 Clouds SC SC SC SC SC B1 B1 B2 B1 B1 B1 SC SC SC FW CL FW FW FW PoP 12hr 5 40 50 20 0 QPF 12hr 0 0 0.13 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S Tstms C C C S S Heat index 82 82 Max heat 82 83 82 Date Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 75 51 73 49 77 52 78 Temp 59 59 73 66 56 56 71 65 54 55 74 67 56 57 76 68 Dewpt 51 51 50 48 48 48 46 47 47 48 47 49 49 50 50 53 PWind dir W NW NW NW W W W NW Wind char LT GN LT LT LT LT LT LT Avg clouds FW FW FW SC FW FW FW SC FW FW SC SC SC SC SC SC PoP 12hr 0 5 0 0 0 0 0 5 $$ VAZ506-232000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1206 PM EDT Sat Aug 23 2025 Date Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 66 84 65 80 Temp 81 81 75 70 68 67 68 76 81 80 75 71 68 67 67 75 79 78 71 Dewpt 63 62 62 63 65 64 65 69 69 69 70 70 68 66 65 63 59 57 56 RH 54 53 64 78 90 90 90 79 67 69 84 97100 97 93 66 50 48 59 Wind dir S S SE S S S S S S S S S SW NW NW NW NW NW NW Wind spd 9 11 8 8 6 6 5 5 6 6 5 3 2 4 5 10 9 10 8 Clouds FW B1 SC SC SC B1 B1 B1 B1 B1 B1 B2 SC SC FW FW FW FW FW PoP 12hr 0 20 40 20 0 QPF 12hr 0 0 0.06 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S Tstms C S S Heat index 82 82 84 83 Max heat 82 83 84 85 Date Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 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 58 77 56 75 54 78 56 81 Temp 63 60 74 68 61 58 73 66 57 57 75 68 60 59 78 70 Dewpt 53 54 54 53 50 51 51 50 50 51 51 52 52 53 55 56 PWind dir NW NW NW NW NW W SW NW Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC SC SC SC SC FW SC FW FW SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 0 0 5 $$ VAZ037-232000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1206 PM EDT Sat Aug 23 2025 Date Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 64 84 62 81 Temp 80 80 75 69 66 65 66 76 81 80 74 69 67 65 65 75 79 79 71 Dewpt 62 62 61 60 61 61 62 65 66 66 66 67 65 64 63 59 55 53 53 RH 54 54 62 73 84 87 87 69 60 62 76 93 93 97 93 58 44 41 53 Wind dir S S S S S S SW S S S NW W NW NW NW NW NW NW NW Wind spd 8 9 5 4 3 4 2 5 5 5 3 2 2 2 4 5 5 6 6 Clouds B1 B2 SC FW SC B1 SC SC B2 B1 B1 SC FW FW FW FW FW FW SC PoP 12hr 0 10 30 10 0 QPF 12hr 0 0 0.07 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C Tstms S C Obvis PF Heat index 81 81 83 82 Max heat 81 81 83 82 80 Date Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 77 53 74 53 77 55 79 Temp 61 60 75 68 59 57 72 66 57 57 75 68 58 58 77 69 Dewpt 51 52 49 49 49 49 46 48 48 49 49 50 52 52 52 53 PWind dir NW NW NW N NW SW W SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC B1 SC FW SC FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 0 0 5 $$ MDZ003-232000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1206 PM EDT Sat Aug 23 2025 Date Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 83 62 80 Temp 81 81 75 71 69 67 67 74 79 78 73 69 66 64 65 74 78 76 70 Dewpt 63 62 61 61 62 62 65 68 69 68 68 67 66 63 63 61 56 54 53 RH 54 53 62 71 78 84 93 82 72 71 84 93100 97 93 64 47 46 55 Wind dir S S S S S S S S S S S S SW W NW NW W W NW Wind spd 11 11 10 8 6 5 5 5 5 5 4 2 2 3 4 9 10 10 6 Clouds SC FW FW SC B1 B2 B1 B1 B1 B1 B1 B1 SC SC FW FW FW FW FW PoP 12hr 5 40 60 40 0 QPF 12hr 0 0.01 0.11 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C Tstms S C S C C C S Heat index 82 82 Max heat 82 83 83 Date Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 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 52 74 51 78 54 79 Temp 59 58 73 66 56 56 71 65 55 55 75 67 58 58 76 68 Dewpt 52 53 53 50 49 49 49 49 49 49 49 50 49 51 53 55 PWind dir NW W NW NW W W W NW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC FW FW SC FW FW SC SC SC SC SC SC PoP 12hr 0 5 0 0 0 0 0 5 $$ MDZ017-232000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1206 PM EDT Sat Aug 23 2025 Date Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 69 82 69 83 Temp 78 79 74 72 72 70 73 78 80 80 75 73 71 70 73 78 81 81 76 Dewpt 63 64 65 66 66 66 68 68 68 69 69 70 70 69 69 66 63 62 61 RH 60 60 74 81 81 87 84 71 67 69 82 90 97 97 87 67 54 53 60 Wind dir SE SE SE S S SW S SE SE SE SE S S W NW NW NW NW NW Wind spd 11 12 11 9 8 6 5 5 10 10 9 6 5 5 5 8 8 6 5 Clouds FW B1 B1 SC SC SC SC SC SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 0 0 10 10 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 83 83 82 82 Max heat 83 84 82 83 Coast Flood Y Y Y Y Y Y Y Y Y Y Date Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 80 63 77 62 79 63 81 Temp 70 69 77 72 68 67 74 71 65 66 77 71 67 67 78 73 Dewpt 56 57 56 56 54 55 53 53 54 56 54 55 57 59 56 58 PWind dir NW NW NW NW NW SW SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC B1 B1 FW FW FW FW SC SC FW FW FW SC PoP 12hr 0 0 0 5 0 0 0 5 $$ WVZ502-232000- Petersburg WV 38.99N 79.15W Elev. 963 ft 1206 PM EDT Sat Aug 23 2025 Date Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 64 85 58 78 Temp 84 82 75 70 67 65 66 77 82 81 73 67 63 60 60 71 75 75 66 Dewpt 67 67 68 65 64 64 65 69 68 67 66 65 62 59 58 56 53 53 52 RH 57 61 79 84 90 97 97 76 63 63 79 93 97 96 93 59 46 46 61 Wind dir S S S SW S S S S W SW S W W W W NW W W W Wind spd 8 9 9 6 5 4 2 2 3 3 3 2 2 2 2 5 9 10 5 Clouds SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC FW FW FW FW PoP 12hr 20 50 50 20 5 QPF 12hr 0.07 0.02 0.18 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C S S Tstms S C S S S C C S Obvis PFPF+ Heat index 87 85 85 83 Max heat 87 87 85 85 Date Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 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 51 74 48 74 47 78 50 79 Temp 55 54 72 63 51 50 71 62 50 50 75 65 53 53 77 67 Dewpt 50 50 50 50 47 46 47 48 45 45 48 51 47 47 52 54 PWind dir W W W NW W W W W Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC FW FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 5 0 0 0 0 0 10 $$ MDZ014-232000- Annapolis MD 38.99N 76.49W Elev. 7 ft 1206 PM EDT Sat Aug 23 2025 Date Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 69 81 69 80 Temp 78 78 75 72 71 70 72 77 79 79 77 74 72 70 71 77 79 79 76 Dewpt 61 61 64 66 66 67 66 67 67 66 68 70 70 69 67 63 60 58 57 RH 56 56 69 81 84 90 81 71 67 64 74 87 93 97 87 62 52 49 52 Wind dir S S S S S S S S S S S S SW W NW NW NW W NW Wind spd 11 12 9 8 8 6 5 9 10 11 9 6 3 3 5 8 10 10 6 Clouds FW SC SC FW SC SC SC SC B1 B1 B1 B1 B1 SC FW FW FW FW SC PoP 12hr 0 0 20 30 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S Tstms S S S Coast Flood W W W W W W W Date Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 Fri 08/29/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 76 61 74 60 76 62 78 Temp 69 67 75 72 66 64 72 71 64 64 74 72 65 66 76 73 Dewpt 56 56 53 53 54 53 50 50 53 53 50 52 56 56 55 57 PWind dir NW NW NW NW NW W SW SW Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC SC SC SC SC FW FW FW FW SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 0 0 5 $$