Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
015 FOUS51 KLWX 221437 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1037 AM EDT Fri Aug 22 2025 VAZ054-222000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1037 AM EDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 64 84 70 85 Temp 77 81 81 75 70 67 65 66 77 82 82 76 73 72 70 71 78 83 83 78 Dewpt 56 53 53 54 54 57 59 60 60 58 59 62 63 65 65 66 66 65 65 67 RH 48 38 38 48 57 70 81 81 56 44 46 62 71 79 84 84 67 55 55 69 Wind dir NE NE SE SE S S S S S S S SE S S S S S S S S Wind spd 6 5 6 8 5 5 4 3 8 10 12 11 10 9 8 6 9 10 10 10 Clouds FW FW CL FW CL CL FW FW FW SC FW FW FW SC SC B1 SC B2 B2 B2 PoP 12hr 0 0 0 5 40 QPF 12hr 0 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C Tstms S Heat index 82 82 85 85 Max heat 81 82 82 82 85 85 Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 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 70 83 64 79 61 78 60 80 Temp 73 70 82 76 68 64 77 72 66 62 76 70 62 62 78 71 Dewpt 69 67 59 55 54 54 51 51 52 52 48 48 51 52 49 52 PWind dir S NW NW NW NW NW NW W Wind char LT GN GN GN LT GN LT LT Avg clouds B2 B1 SC SC SC SC SC SC SC SC SC SC FW FW FW SC PoP 12hr 30 20 0 0 0 5 5 5 Rain shwrs C S S Tstms S $$ MDZ013-222000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1037 AM EDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 62 82 68 84 Temp 74 80 80 73 67 65 62 64 76 81 80 74 71 70 68 70 78 82 82 76 Dewpt 56 55 55 56 57 58 58 61 61 61 61 64 66 65 65 67 68 69 68 69 RH 53 42 42 55 70 78 87 90 60 51 52 71 84 84 90 90 71 65 63 79 Wind dir NE E E SE S SW SW SW S S S S S S S S S S S S Wind spd 4 4 4 3 2 2 2 2 5 9 10 8 6 5 5 4 6 9 10 6 Clouds CL FW FW FW CL CL CL CL FW FW FW FW FW SC SC B1 B1 B2 B2 B2 PoP 12hr 0 0 0 5 40 QPF 12hr 0 0 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C Tstms C Heat index 80 80 82 81 85 85 Max heat 80 81 82 83 85 87 Coast Flood W W W W W W W W Y Y Y Y Y Y Y Y Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 83 62 78 60 77 58 80 Temp 70 70 82 74 64 64 76 71 62 62 75 69 60 60 78 71 Dewpt 69 68 63 58 54 54 53 53 52 53 51 51 51 52 51 53 PWind dir S NW NW NW NW NW NW W Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B1 SC SC FW SC FW SC SC SC FW SC FW FW FW SC PoP 12hr 40 20 5 0 0 5 5 5 Rain shwrs C C S S Tstms C S $$ MDZ011-222000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1037 AM EDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 69 87 73 89 Temp 81 85 85 79 75 73 70 69 81 85 85 80 78 75 73 74 83 86 86 81 Dewpt 53 52 52 53 56 57 58 59 58 58 59 61 63 65 65 66 65 65 65 66 RH 38 32 32 41 52 57 66 70 46 40 41 52 60 71 76 76 55 50 50 60 Wind dir NE NE SE SE S SW W SW S S S S S S S S S S S S Wind spd 4 4 5 3 2 2 2 2 5 10 11 9 6 5 5 4 8 10 10 6 Clouds CL FW FW CL CL CL CL CL FW FW FW FW FW SC SC B1 B1 B2 B2 OV PoP 12hr 0 0 0 10 40 QPF 12hr 0 0 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C Tstms S C Heat index 81 85 81 85 88 88 83 Max heat 83 85 84 85 88 88 Coast Flood Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 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 88 66 83 63 81 62 84 Temp 76 72 85 79 72 66 81 76 69 63 78 74 66 62 81 76 Dewpt 68 67 61 55 54 53 51 51 52 51 48 49 51 51 49 51 PWind dir SW NW NW NW NW NW NW W Wind char LT LT LT GN LT LT LT LT Avg clouds B2 B1 SC SC FW SC SC SC SC FW FW SC FW FW FW SC PoP 12hr 50 20 5 0 0 5 5 5 Rain shwrs C C S S Tstms C S $$ WVZ052-222000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1037 AM EDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 59 84 65 83 Temp 75 80 82 76 66 63 61 63 76 82 82 76 71 67 66 67 76 81 80 73 Dewpt 60 58 57 58 57 56 55 56 60 61 61 61 61 62 62 63 65 67 67 67 RH 60 47 43 54 73 78 81 78 58 49 49 60 71 84 87 87 69 63 65 81 Wind dir NE E SE SE S S S S S S S S S S S S S S S S Wind spd 2 2 2 2 2 3 3 3 8 10 11 10 9 6 5 5 5 6 6 4 Clouds FW FW FW CL CL CL FW SC SC SC SC SC SC B1 B2 B2 B2 B2 OV B2 PoP 12hr 0 0 10 30 70 QPF 12hr 0 0 0 0.01 0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L L C Tstms S S S C C S Heat index 81 82 83 83 83 82 Max heat 81 82 83 83 83 83 Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 80 55 75 52 75 51 78 Temp 65 65 78 71 59 58 73 67 56 56 73 66 54 55 76 69 Dewpt 65 63 56 52 51 51 49 50 50 49 48 48 49 49 49 51 PWind dir SW NW W W NW NW NW W Wind char LT GN LT GN LT LT LT LT Avg clouds B1 SC FW FW FW FW FW SC FW FW FW SC FW FW FW FW PoP 12hr 30 5 0 5 0 5 5 5 Rain shwrs C Tstms S $$ VAZ506-222000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1037 AM EDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 61 84 67 84 Temp 75 81 81 74 67 63 62 63 75 82 82 75 71 69 67 69 76 82 81 75 Dewpt 63 60 59 59 56 56 57 60 63 63 63 63 64 65 65 66 69 70 69 69 RH 66 49 47 59 68 78 84 90 66 53 53 66 79 87 93 90 79 67 67 82 Wind dir N N NE SE S S S S S S S SE S S S S S S S S Wind spd 3 3 4 4 3 3 2 3 6 9 10 9 8 6 5 5 6 8 8 5 Clouds FW FW FW CL CL CL FW FW SC FW FW SC SC SC SC B1 B2 B2 B2 OV PoP 12hr 0 0 0 10 50 QPF 12hr 0 0 0 0 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C Tstms S S S Heat index 82 81 83 83 86 84 Max heat 82 83 83 84 86 86 Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 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 65 82 59 78 57 76 54 79 Temp 70 66 80 72 62 61 76 68 59 59 74 66 57 56 77 69 Dewpt 69 66 63 56 53 54 53 52 52 53 52 51 50 51 53 53 PWind dir SW NW NW NW NW NW NW W Wind char LT GN LT GN LT LT LT LT Avg clouds B2 SC SC FW FW FW SC SC SC SC FW SC FW FW FW FW PoP 12hr 30 10 0 0 0 5 5 5 Rain shwrs C Tstms S $$ VAZ037-222000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1037 AM EDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 61 83 64 83 Temp 75 79 80 76 68 65 63 63 75 81 81 75 70 66 64 66 76 81 80 74 Dewpt 63 62 62 61 61 59 58 59 62 62 62 62 62 62 62 64 65 65 66 66 RH 66 56 54 60 78 81 84 87 64 53 53 64 76 87 93 93 69 58 62 76 Wind dir NE NE E E SE E S S S S S S S S S S S S S SW Wind spd 2 3 5 4 2 1 1 2 5 8 9 6 4 3 2 2 5 6 6 4 Clouds FW SC FW SC SC SC SC FW SC SC SC SC SC SC B1 SC B1 B2 B2 B2 PoP 12hr 0 0 5 20 50 QPF 12hr 0 0 0 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C S Tstms C C S Heat index 81 82 82 83 82 Max heat 82 82 83 83 84 Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 83 57 78 54 76 54 78 Temp 66 66 81 71 59 59 76 68 57 56 74 67 56 56 76 69 Dewpt 66 64 57 53 52 52 50 50 50 51 49 50 50 51 51 53 PWind dir W NW NW NW NW NW NW SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC FW FW FW SC SC SC SC SC FW SC FW FW SC SC PoP 12hr 20 10 0 0 0 5 5 5 Rain shwrs S Tstms S $$ MDZ003-222000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1037 AM EDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 60 85 65 83 Temp 76 81 82 76 66 63 60 64 76 82 82 76 71 68 66 67 76 81 80 73 Dewpt 61 60 59 59 57 54 53 57 62 63 63 62 62 63 62 64 68 69 69 68 RH 60 49 46 56 73 72 78 78 62 53 53 62 73 84 87 90 76 67 69 84 Wind dir NE NE SE SE SE S S S S S S S S S S S S S S S Wind spd 2 3 3 3 2 3 3 3 6 10 11 9 9 6 5 5 5 8 6 5 Clouds FW FW FW CL CL CL CL FW SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 PoP 12hr 0 0 5 30 70 QPF 12hr 0 0 0 0.02 0.24 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L L C Tstms S S S S C C C Heat index 82 82 83 83 84 83 Max heat 82 82 83 84 84 84 Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 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 55 76 53 75 51 79 Temp 66 65 78 70 58 58 74 67 56 56 73 65 54 55 77 68 Dewpt 66 64 58 53 52 53 52 51 51 51 50 49 49 49 51 51 PWind dir SW NW NW W NW NW NW W Wind char LT GN LT GN LT LT LT LT Avg clouds B2 SC FW FW FW FW FW SC FW FW FW SC FW FW FW FW PoP 12hr 50 10 0 5 0 5 5 5 Rain shwrs C Tstms C $$ MDZ017-222000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1037 AM EDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 66 81 70 83 Temp 75 78 78 73 69 68 66 69 76 79 79 74 73 72 70 74 79 81 81 76 Dewpt 57 55 55 58 59 59 60 64 63 64 64 65 66 67 67 69 68 69 69 70 RH 54 45 45 59 70 73 81 84 64 60 60 74 79 84 90 84 69 67 67 82 Wind dir N N N SE SE S S S SE SE SE SE S S S S S SE SE S Wind spd 9 8 5 3 5 4 3 3 5 10 12 10 9 8 6 5 8 10 11 10 Clouds CL CL CL CL CL CL CL CL FW FW FW FW FW SC SC SC SC B1 B1 B1 PoP 12hr 0 0 0 0 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C Heat index 84 84 Max heat 80 82 84 85 Coast Flood Y Y Y Y Y Y Y Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 83 65 80 63 77 62 79 Temp 72 72 82 76 69 68 78 73 67 66 75 70 64 66 77 71 Dewpt 70 70 68 65 58 58 56 56 55 57 54 55 55 57 55 56 PWind dir S NW NW NW NW N N N Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC SC SC SC SC FW FW FW FW FW FW PoP 12hr 30 20 5 0 0 5 5 5 Rain shwrs C S S S $$ WVZ502-222000- Petersburg WV 38.99N 79.15W Elev. 963 ft 1037 AM EDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 62 87 63 83 Temp 73 81 83 76 68 65 63 64 78 85 83 74 69 65 63 65 76 81 80 72 Dewpt 66 65 65 66 64 62 60 62 67 67 67 66 65 63 62 64 69 68 69 68 RH 79 58 55 71 87 90 90 93 69 55 59 76 87 93 97 97 79 65 69 87 Wind dir NE E E E S S S S S S S S S S S SW SW SW SW SW Wind spd 2 2 3 3 2 3 3 3 4 5 6 5 5 4 3 2 3 4 4 3 Clouds SC SC SC B1 B1 B1 SC FW FW B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 PoP 12hr 0 5 30 40 80 QPF 12hr 0 0 0.05 0.02 0.29 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C L L D D C Tstms S S S S S C C S Heat index 83 85 88 86 84 83 Max heat 83 85 88 88 84 84 Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 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 79 51 75 49 74 47 79 Temp 62 59 77 66 54 53 73 63 51 51 72 62 50 50 77 66 Dewpt 62 59 55 52 49 49 51 51 49 48 49 50 47 46 49 52 PWind dir W W W W W NW W W Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC FW SC SC FW FW FW SC SC FW FW FW FW FW PoP 12hr 30 5 0 5 5 5 5 5 Rain shwrs C Tstms S $$ MDZ014-222000- Annapolis MD 38.99N 76.49W Elev. 7 ft 1037 AM EDT Fri Aug 22 2025 Date Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 66 79 70 81 Temp 74 78 77 75 71 69 67 68 75 78 78 75 73 72 70 72 77 80 79 77 Dewpt 56 54 54 56 60 60 60 61 62 62 62 64 66 67 67 67 68 68 67 68 RH 53 43 45 52 68 73 78 78 64 58 58 69 79 84 90 84 74 67 67 74 Wind dir NE NE E SE S S SW SW S S S S S S S S S S S S Wind spd 8 6 5 3 4 4 3 2 6 10 12 10 10 8 6 5 10 11 12 10 Clouds CL CL CL CL CL CL CL CL FW FW FW FW FW SC SC SC SC B1 B1 B2 PoP 12hr 0 0 0 5 30 QPF 12hr 0 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms S Heat index 83 Max heat 83 83 Coast Flood W W W W W W W W Y Y Y Y Y Y Y Y Date Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 Thu 08/28/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 81 65 77 62 75 61 77 Temp 73 71 80 76 68 67 76 73 65 64 73 71 64 63 75 72 Dewpt 70 69 64 60 56 56 53 53 55 54 52 52 55 55 53 55 PWind dir S NW NW NW NW NW NW S Wind char LT LT LT GN LT LT LT LT Avg clouds B1 B1 SC SC SC SC SC SC SC SC FW FW FW FW FW FW PoP 12hr 40 20 5 0 0 5 5 5 Rain shwrs C C S S Tstms S S $$