Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
118 FOUS51 KLWX 261438 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1038 AM EDT Sat Jul 26 2025 VAZ054-262000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1038 AM EDT Sat Jul 26 2025 Date Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 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 93 77 92 78 94 Temp 87 91 90 84 81 79 78 79 84 90 90 85 81 80 79 81 87 91 92 87 Dewpt 73 72 73 74 75 74 75 75 76 75 75 75 76 75 75 74 74 72 72 74 RH 63 54 58 72 82 85 91 88 77 62 62 72 85 85 88 79 65 54 52 65 Wind dir NE E E SE SE S S S SW SW SW S W W NW N N N N NE Wind spd 5 5 5 6 6 5 5 5 5 6 6 5 5 5 5 5 5 5 5 5 Clouds SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 SC SC FW FW FW FW SC SC PoP 12hr 40 40 70 20 20 QPF 12hr 0.16 0.05 0.42 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S S S S L L S S S S Tstms C C C S S S C C S S S S Heat index 94 99 98 91 87 93101101 94 87 85 86 95 99100 95 Max heat 100 100 90 101 102 90 86 99 100 Date Tue 07/29/25 Wed 07/30/25 Thu 07/31/25 Fri 08/01/25 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 78 97 79 98 78 90 72 83 Temp 81 82 94 90 82 82 95 90 82 80 88 81 76 73 80 77 Dewpt 74 74 72 72 73 73 69 70 72 71 70 69 67 64 63 61 PWind dir SW NW SW W E NE N NE Wind char LT LT LT LT LT GN LT GN Avg clouds FW FW FW FW FW FW FW SC B1 SC B1 B2 B1 B1 B1 B1 PoP 12hr 5 10 5 10 30 60 50 30 Rain shwrs C S S L C C C C Tstms S C S S $$ MDZ013-262000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1038 AM EDT Sat Jul 26 2025 Date Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 75 91 76 93 Temp 86 90 89 84 79 77 75 77 83 87 87 83 79 77 76 78 85 89 90 86 Dewpt 72 72 73 74 75 75 75 76 77 77 76 77 77 76 75 76 76 75 74 75 RH 63 56 59 72 88 94100 97 82 72 70 82 94 97 97 94 75 64 60 70 Wind dir E E E SE SE SE S S SW SW SW W W W NW N N N N N Wind spd 4 4 5 4 4 3 3 3 4 5 5 2 2 2 2 3 3 4 3 2 Clouds SC B1 B1 B1 B1 B1 B2 B1 B1 B2 B2 B1 B1 SC FW FW FW FW FW FW PoP 12hr 30 50 80 30 10 QPF 12hr 0.28 0.07 0.20 0.04 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C D D C C Tstms C C C C C S C L C S Heat index 92 97 97 91 92 99 98 92 94 99 99 95 Max heat 97 98 87 99 99 91 99 101 Date Tue 07/29/25 Wed 07/30/25 Thu 07/31/25 Fri 08/01/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 97 78 97 76 90 69 82 Temp 78 80 94 89 80 81 94 88 79 78 87 79 72 70 80 75 Dewpt 75 75 75 75 73 74 73 73 73 72 72 71 67 63 63 62 PWind dir W NW W W E NE N NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW SC B1 B1 B1 B2 B1 B1 B1 B1 PoP 12hr 10 20 5 10 30 60 50 30 Rain shwrs S C C C L C C C C Tstms S S C C S $$ MDZ011-262000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1038 AM EDT Sat Jul 26 2025 Date Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 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 94 79 95 81 97 Temp 87 93 93 86 83 79 80 82 87 90 91 86 85 82 81 82 89 94 95 89 Dewpt 70 71 71 73 73 74 73 74 75 75 75 75 76 74 74 74 73 73 73 73 RH 57 49 49 65 72 85 79 77 68 62 60 70 75 77 79 77 59 51 49 59 Wind dir E E SE SE SE SE S S S SW SW SW W W NW N N N N N Wind spd 4 4 5 4 3 3 2 3 4 5 5 2 2 2 2 3 3 4 3 2 Clouds B1 B1 B1 B1 B1 B2 B2 B1 B1 B2 B2 B1 B1 SC FW FW FW SC FW FW PoP 12hr 40 50 80 30 10 QPF 12hr 0.28 0.07 0.21 0.07 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C D D C C Tstms C C C C C S C L C S Heat index 92100100 93 89 84 88 96101102 95 94 88 86 88 97103105 97 Max heat 100 101 93 88 101 102 95 88 103 106 Date Tue 07/29/25 Wed 07/30/25 Thu 07/31/25 Fri 08/01/25 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 81 101 82 101 79 94 72 87 Temp 84 82 97 94 86 83 97 92 84 79 90 84 78 72 83 81 Dewpt 74 73 72 72 73 72 70 70 71 70 69 68 65 61 61 59 PWind dir W NW W W N NE N NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC FW FW FW SC B1 B1 B1 B2 B1 B1 B1 B1 PoP 12hr 10 20 5 10 30 60 50 30 Rain shwrs S C C C L C C C C Tstms S S C C S $$ WVZ052-262000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1038 AM EDT Sat Jul 26 2025 Date Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 73 91 73 93 Temp 86 89 86 81 76 75 74 77 84 87 87 82 78 75 74 77 85 90 90 84 Dewpt 72 73 74 74 73 74 73 74 75 74 74 74 74 73 73 72 73 72 71 72 RH 63 59 68 79 90 97 97 90 74 65 65 77 88 94 97 85 67 56 54 67 Wind dir NE E E SE SE S S S W W W W W W NW NW N N N NE Wind spd 2 2 3 2 2 2 2 2 4 6 5 3 2 2 3 3 4 4 4 2 Clouds SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 SC SC FW FW SC SC FW PoP 12hr 60 50 70 20 20 QPF 12hr 0.07 0.04 0.07 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C L L S S S S Tstms C C C C C S S C C S S S Heat index 92 97 94 86 92 95 95 88 92 97 96 90 Max heat 97 96 95 97 86 97 98 Date Tue 07/29/25 Wed 07/30/25 Thu 07/31/25 Fri 08/01/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 96 73 95 71 87 65 81 Temp 75 77 93 86 77 78 93 84 74 74 84 76 69 68 78 74 Dewpt 72 72 72 72 71 71 68 70 69 68 67 66 64 60 59 58 PWind dir NW NW NW NW N N N N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC FW FW FW FW B1 B1 B1 B2 B1 B1 B1 SC PoP 12hr 5 20 5 10 30 60 40 30 Rain shwrs S C C C L C C C C Tstms S S C S S $$ VAZ506-262000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1038 AM EDT Sat Jul 26 2025 Date Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 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 94 75 93 74 94 Temp 87 92 90 84 79 77 76 77 84 90 89 84 78 77 75 78 86 91 92 86 Dewpt 74 74 74 74 76 76 75 77 77 77 76 77 77 76 75 77 77 75 74 74 RH 65 56 60 72 91 97 97100 80 66 66 80 97 97100 97 75 60 56 68 Wind dir NE N NE SE SE SE SE S SW W W W W NW NW NW N N N N Wind spd 3 3 3 4 3 3 2 3 4 5 5 3 2 3 3 4 5 5 5 3 Clouds SC B1 B1 B1 B1 B2 B1 B1 B1 B2 B2 SC SC FW FW FW SC SC SC SC PoP 12hr 40 40 70 20 20 QPF 12hr 0.08 0.12 0.20 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C S S S S L L S S S S Tstms S C C C S S S C C S S S Heat index 95102 99 91 94103100 94 97102102 94 Max heat 102 103 87 103 102 90 102 103 Date Tue 07/29/25 Wed 07/30/25 Thu 07/31/25 Fri 08/01/25 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 74 97 76 98 75 90 67 82 Temp 77 79 95 89 79 80 96 89 78 77 88 78 71 70 79 75 Dewpt 75 76 75 74 73 74 74 72 72 72 73 71 67 64 64 61 PWind dir W NW W NW N N N N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC FW FW FW SC B1 B1 B1 B2 B1 B1 B1 B1 PoP 12hr 5 20 5 10 30 70 50 30 Rain shwrs S C S S L C C C C Tstms S S C S S $$ VAZ037-262000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1038 AM EDT Sat Jul 26 2025 Date Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 73 93 73 93 Temp 88 91 88 83 78 76 75 77 87 90 88 84 79 76 75 77 86 90 89 84 Dewpt 73 72 72 73 75 74 73 75 75 74 74 74 74 74 73 74 73 73 73 74 RH 61 54 59 72 91 94 94 94 68 60 63 72 85 94 94 90 65 58 59 72 Wind dir E E E NW N N N S SW SW NW NE NW W NW NW N N NE NE Wind spd 2 2 2 2 1 1 0 1 2 4 3 2 2 2 2 2 2 3 3 2 Clouds FW SC B1 B1 B1 SC SC SC SC B1 B1 SC SC SC SC SC SC B1 B1 FW PoP 12hr 30 30 50 20 30 QPF 12hr 0.14 0.01 0.21 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C S S C C Tstms C C S C C S S C C Heat index 96 99 95 89 96 99 97 91 93 98 97 91 Max heat 99 97 84 99 99 88 98 98 Date Tue 07/29/25 Wed 07/30/25 Thu 07/31/25 Fri 08/01/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 95 73 95 73 89 68 82 Temp 76 77 93 86 76 77 93 85 76 76 87 76 71 70 79 73 Dewpt 73 73 71 72 72 72 70 70 70 70 70 70 69 66 64 62 PWind dir NW N NW SW NW NE N NE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW SC FW FW FW SC B1 SC B1 B2 B2 B2 B1 B1 PoP 12hr 10 20 5 20 30 70 50 40 Rain shwrs S S C S S L C C C C Tstms S S S C S C $$ MDZ003-262000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1038 AM EDT Sat Jul 26 2025 Date Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 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 90 73 91 73 93 Temp 83 88 86 82 77 75 74 76 82 87 86 82 77 75 74 77 85 90 90 86 Dewpt 73 74 74 74 74 74 73 75 76 76 75 75 74 74 73 74 74 74 72 73 RH 72 63 68 77 90 97 97 97 82 70 70 79 90 97 97 90 70 60 56 65 Wind dir E E SE SE SE SE S S SW W W NW W NW NW NW N NW N N Wind spd 2 3 3 3 2 2 3 3 5 5 5 4 3 2 3 3 3 3 4 2 Clouds B1 B2 B1 B1 B1 B1 B1 B2 B1 B2 B2 B1 B1 SC FW FW FW SC SC FW PoP 12hr 60 50 70 20 20 QPF 12hr 0.05 0.47 0.11 0.15 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C S C C L L S S S S Tstms C C C C C S S C C S S Heat index 89 97 94 88 89 98 95 89 93 99 97 93 Max heat 97 95 98 98 85 99 100 Date Tue 07/29/25 Wed 07/30/25 Thu 07/31/25 Fri 08/01/25 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 73 97 74 96 72 87 65 81 Temp 76 78 94 88 78 78 94 85 75 74 84 77 68 67 78 73 Dewpt 73 74 74 73 72 72 71 72 70 69 71 68 62 60 60 58 PWind dir NW NW NW NW N N N N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC FW FW FW SC B1 B1 B1 B2 B1 B1 SC SC PoP 12hr 10 20 5 10 30 60 40 20 Rain shwrs S C C C L C C S S Tstms S S C S S $$ MDZ017-262000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1038 AM EDT Sat Jul 26 2025 Date Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 76 92 77 91 Temp 86 90 90 85 79 78 77 81 84 89 89 84 80 78 77 81 85 88 89 85 Dewpt 76 75 75 77 76 75 75 77 77 78 78 78 77 76 75 78 77 76 76 76 RH 72 62 62 77 91 91 94 88 80 70 70 82 91 94 94 91 77 68 66 75 Wind dir NE NE E SE SE SE S S S S S S SW W NW N N N N NE Wind spd 5 5 5 5 6 5 5 5 5 5 5 4 3 3 4 5 5 6 5 2 Clouds FW SC SC SC SC B1 B1 SC SC B1 B1 B1 B1 SC FW FW FW FW FW FW PoP 12hr 10 30 40 30 10 QPF 12hr 0 0 0.06 0.17 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C C Tstms S C C S C C C C Heat index 96101101 96 88 94103103 95 87 89 96 99100 94 Max heat 101 102 92 88 103 105 91 89 99 100 Date Tue 07/29/25 Wed 07/30/25 Thu 07/31/25 Fri 08/01/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 94 78 95 78 91 72 82 Temp 78 82 91 87 80 83 92 87 80 82 88 81 75 76 80 77 Dewpt 75 77 76 77 74 76 75 75 74 75 74 74 70 70 68 66 PWind dir SW E SW E S N N NE Wind char LT LT LT LT LT LT LT GN Avg clouds FW FW FW FW FW FW FW FW SC SC SC B1 B2 B1 B1 B1 PoP 12hr 10 10 5 5 20 50 60 40 Rain shwrs S S S C L C C C Tstms S S C C C $$ WVZ502-262000- Petersburg WV 38.99N 79.15W Elev. 963 ft 1038 AM EDT Sat Jul 26 2025 Date Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 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 93 71 92 70 94 Temp 85 90 88 81 75 73 71 74 84 88 88 81 75 72 71 73 85 91 91 82 Dewpt 74 72 72 74 73 72 71 72 74 74 73 73 73 72 71 72 74 72 72 73 RH 70 56 59 79 94 97100 93 72 63 61 77 94100100 97 70 54 54 74 Wind dir E N SW W S SW S S W W W W W W W NW NW NW NW NW Wind spd 2 2 2 2 2 2 2 2 4 5 5 3 2 2 2 2 2 4 4 2 Clouds SC B1 B1 B1 SC SC B1 B1 B1 B2 B2 B1 B1 B1 SC B1 SC B1 B1 SC PoP 12hr 60 40 70 30 40 QPF 12hr 0.07 0.02 0.11 0.01 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C C S C C C L L C C C C Tstms C C C S S C C C S C C Heat index 93 97 95 86 91 97 96 86 93 99 99 87 Max heat 97 99 97 97 99 100 Date Tue 07/29/25 Wed 07/30/25 Thu 07/31/25 Fri 08/01/25 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 69 96 70 98 69 89 62 82 Temp 72 73 93 83 73 74 94 83 72 72 85 74 66 64 78 71 Dewpt 70 71 72 72 71 70 71 72 70 69 71 69 65 60 61 61 PWind dir W NW W W NW N N N Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 FW FW FW SC B1 B1 B1 B2 B1 B1 B1 B1 PoP 12hr 10 30 10 20 30 70 40 30 Rain shwrs C S C C C L C S C C Tstms C S S S C S C $$ MDZ014-262000- Annapolis MD 38.99N 76.49W Elev. 7 ft 1038 AM EDT Sat Jul 26 2025 Date Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 76 88 77 89 Temp 84 87 87 84 79 77 77 79 82 85 86 83 80 79 78 79 84 88 88 85 Dewpt 73 74 74 75 76 75 75 75 76 77 77 77 77 77 76 76 75 75 75 76 RH 70 65 65 74 91 94 94 88 82 77 75 82 91 94 94 91 74 66 66 75 Wind dir NE E E SE SE S S S S S S SW SW W NW N N N NE NE Wind spd 5 6 5 5 5 5 4 4 5 8 6 3 2 2 3 4 5 5 4 2 Clouds SC SC SC B1 B1 B1 B2 B1 B1 B2 B2 B1 B1 SC FW FW FW FW FW FW PoP 12hr 30 50 70 30 10 QPF 12hr 0.01 0.05 0.19 0.08 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C S S L L C C Tstms S C C C C S C L C S Heat index 90 95 95 92 89 96 97 92 87 92 98 98 94 Max heat 95 97 89 96 97 90 98 99 Date Tue 07/29/25 Wed 07/30/25 Thu 07/31/25 Fri 08/01/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 92 78 92 77 87 72 81 Temp 79 81 91 87 81 82 90 86 81 79 86 81 75 74 79 78 Dewpt 76 75 75 75 74 74 74 73 74 72 72 71 69 65 65 63 PWind dir SW SW SW S SW NE N NE Wind char LT LT LT LT LT LT LT GN Avg clouds FW FW FW FW FW FW FW FW B1 B1 B1 B2 B2 B1 B1 B1 PoP 12hr 10 10 5 10 30 60 60 30 Rain shwrs C C C L L C C C Tstms S C C S $$