Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
234 FOUS51 KLWX 071444 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1044 AM EDT Tue May 7 2024 VAZ054-072000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1044 AM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 67 89 67 82 Temp 72 77 78 76 71 69 68 70 80 87 88 82 74 70 67 70 75 78 81 77 Dewpt 66 66 66 66 65 64 64 65 65 59 58 58 59 60 60 63 65 64 64 63 RH 81 69 67 71 81 84 87 84 60 39 36 44 59 71 78 78 71 62 56 62 Wind dir E SE SE SE S S S S W W W W SW SW S S S SW SW W Wind spd 5 5 8 6 5 5 5 6 9 11 12 6 4 4 4 6 9 13 14 11 Clouds B2 B2 B1 B1 B1 B2 B2 B2 SC SC FW FW SC B1 B2 B2 B2 B2 B1 B1 PoP 12hr 40 30 20 50 90 QPF 12hr 0.03 0.01 0 0.05 0.35 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S C C S S S S C C L L D D C Tstms S C C S C S S S S S C C C Heat index 82 87 82 82 Max heat 81 87 87 82 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 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 73 54 71 55 71 54 75 Temp 68 64 70 65 57 56 68 65 57 57 67 65 57 58 73 69 Dewpt 58 54 49 48 46 46 43 44 47 49 47 46 48 49 49 51 PWind dir W NW NW W SW W W SW Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC B1 B1 SC FW SC SC SC B1 SC SC FW FW SC SC PoP 12hr 40 40 30 20 40 50 20 20 Rain shwrs C C C C S C C C C S S Tstms C S S S S S S $$ MDZ013-072000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1044 AM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 64 86 62 78 Temp 72 75 77 74 68 65 65 66 77 84 85 77 70 65 63 66 71 75 78 74 Dewpt 65 64 64 65 65 64 64 65 63 59 57 58 58 58 59 61 63 63 63 62 RH 79 69 64 74 90 97 97 97 62 43 39 52 66 78 87 84 76 66 60 66 Wind dir E E SE SE S S S S W W W W W W NE SE SE S SW SW Wind spd 4 5 5 5 4 4 4 5 8 11 11 6 5 4 4 6 9 12 12 10 Clouds B1 B1 SC B1 B1 B2 OV B2 SC FW FW FW SC B1 B2 B2 B2 B2 B2 B1 PoP 12hr 30 40 10 40 90 QPF 12hr 0.03 0.01 0 0.05 0.34 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S C C C C L L D D C Tstms S S S S C C C C C Heat index 84 Max heat 84 85 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 72 51 70 53 70 51 73 Temp 64 60 70 64 55 55 67 64 56 56 67 63 54 56 71 67 Dewpt 58 55 51 48 47 46 45 46 49 50 48 49 49 50 51 53 PWind dir W NW NW W SW W W SW Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC B1 B1 SC FW SC SC B1 B1 SC SC SC SC SC SC PoP 12hr 50 40 30 20 40 50 20 20 Rain shwrs C S C C C S S S C C C C S S S Tstms C S S S S S S $$ MDZ011-072000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1044 AM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 67 90 68 84 Temp 75 79 81 75 72 68 67 71 80 88 88 80 75 71 68 71 77 81 84 78 Dewpt 65 63 63 65 64 63 63 63 63 59 56 56 57 57 58 60 61 62 62 61 RH 71 58 54 71 76 84 87 76 56 38 34 44 54 61 70 68 58 53 48 56 Wind dir E SE SE SE SE SE SE S W W W W W W N SE SE S SW SW Wind spd 5 5 6 5 4 4 4 5 8 11 11 6 5 4 4 6 9 12 12 10 Clouds B1 B1 SC B1 B1 B2 OV B2 SC FW FW FW SC B1 B2 B2 B2 B2 B2 B1 PoP 12hr 30 40 10 40 90 QPF 12hr 0.03 0.01 0 0.06 0.34 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S S C C C C L L D D C Tstms S S S S S C C C C C Heat index 81 82 81 88 80 82 84 Max heat 81 82 88 88 82 84 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 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 76 57 75 58 75 57 77 Temp 72 66 72 69 61 57 71 69 61 58 70 68 61 58 75 72 Dewpt 57 53 49 47 46 45 43 45 48 49 47 48 48 49 49 51 PWind dir W NW NW W SW W W SW Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC B1 B1 SC FW SC SC B1 B1 SC SC SC SC SC SC PoP 12hr 50 50 30 30 40 50 20 20 Rain shwrs C S C C C S S C C C C C S S S Tstms C S S S S S S $$ WVZ052-072000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1044 AM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 62 85 59 78 Temp 70 76 78 76 68 66 64 66 77 83 84 78 67 62 59 62 68 73 76 72 Dewpt 64 63 63 64 63 62 61 63 61 55 55 55 54 54 55 60 61 61 60 59 RH 81 64 60 66 84 87 90 90 58 38 37 45 63 75 87 93 78 66 58 64 Wind dir E SE SE SE S S S SW W W W W W W S S S S SW W Wind spd 3 4 5 5 4 5 5 6 11 13 12 6 4 3 4 5 8 11 14 16 Clouds B2 B1 B1 B2 B2 B2 B2 B1 SC FW FW FW SC B2 B2 B2 B2 B2 B1 SC PoP 12hr 40 50 10 50 90 QPF 12hr 0.04 0.03 0 0.19 0.34 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S C C C C C D D D D C Tstms S C C S C C S S S S C C C Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 68 46 67 47 67 46 71 Temp 60 58 65 60 51 52 64 60 51 54 63 60 51 54 68 65 Dewpt 53 50 47 43 42 43 41 43 43 46 45 44 44 46 49 49 PWind dir W NW NW W SW W W SW Wind char GN GN GN GN LT GN LT GN Avg clouds SC B1 B1 B1 SC FW SC SC SC B1 B1 SC FW SC SC SC PoP 12hr 40 50 30 40 40 60 20 30 Rain shwrs C S C C C S S C C C C L S S S C Tstms C S S S S S S S S $$ VAZ506-072000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1044 AM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 64 87 62 80 Temp 71 77 79 75 68 67 65 67 78 84 87 80 70 65 63 66 72 75 79 75 Dewpt 65 65 65 65 65 64 64 65 64 58 56 59 59 59 59 62 64 65 64 63 RH 81 67 62 71 90 90 97 93 62 41 35 49 68 81 87 87 76 71 60 66 Wind dir NE E SE SE S S S SW W W W W SW SW S S S S SW W Wind spd 3 3 4 5 4 4 3 5 9 11 10 5 3 3 2 6 9 14 14 12 Clouds B2 B1 B1 B2 B1 B2 OV B1 SC SC FW FW SC B1 B2 B2 B2 B2 B1 SC PoP 12hr 30 40 20 50 90 QPF 12hr 0.03 0.01 0 0.08 0.27 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S C C S S S S C C L L D D C Tstms S C C S S C S S S S S S S C C C Heat index 81 84 80 81 Max heat 81 84 85 81 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 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 60 71 50 69 51 70 49 74 Temp 66 61 69 63 54 55 66 63 54 55 66 64 54 56 72 67 Dewpt 58 55 50 48 45 46 43 46 47 49 48 49 47 49 50 52 PWind dir W NW NW W SW W W SW Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC B1 SC SC FW SC SC B1 B1 SC SC FW FW SC SC PoP 12hr 40 50 30 30 40 50 20 20 Rain shwrs C S C C C C C C C C S S Tstms C S S S S S S S S $$ VAZ037-072000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1044 AM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 66 90 66 85 Temp 75 78 80 77 71 67 68 72 82 88 89 83 74 68 67 69 74 81 84 78 Dewpt 64 63 65 65 64 62 62 63 63 58 56 59 58 58 58 61 63 62 61 59 RH 69 60 60 67 79 84 81 73 53 36 33 44 57 70 73 76 69 53 46 52 Wind dir SW S S SE SW SW SW SW W W W W W W W SW SW SW SW SW Wind spd 2 5 5 4 3 4 4 5 8 10 9 5 3 3 4 6 8 16 18 14 Clouds SC B1 SC B1 B2 B1 B1 B1 SC SC FW SC SC B1 B2 B2 B2 B2 B1 SC PoP 12hr 40 20 20 60 80 QPF 12hr 0.11 0.01 0 0.13 0.24 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S S S C C L L D D D D S Tstms S C C S S S C S S C S S C C S Heat index 82 84 83 82 84 Max heat 83 87 88 81 82 84 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 74 51 73 52 73 51 77 Temp 67 62 70 67 56 55 69 66 56 56 70 67 55 56 75 71 Dewpt 54 52 48 43 42 42 38 42 44 45 44 44 44 46 46 48 PWind dir W NW NW W SW W W SW Wind char GN GN GN GN LT GN LT GN Avg clouds SC SC SC SC FW FW FW SC SC SC SC FW FW FW FW FW PoP 12hr 20 40 20 30 30 40 10 20 Rain shwrs S C C S C C S C C S Tstms S S S S S S $$ MDZ003-072000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1044 AM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 63 85 60 77 Temp 70 76 78 74 67 66 65 67 76 82 84 77 67 63 60 64 68 74 76 72 Dewpt 64 63 64 63 64 63 62 63 63 56 54 56 55 55 55 60 61 62 62 61 RH 81 64 62 69 90 90 90 87 64 41 36 48 65 75 84 87 78 66 62 68 Wind dir E SE S SE S S S SW W W W W NW NW E S S S SW W Wind spd 3 4 5 5 5 6 6 8 11 13 13 8 4 4 3 6 10 11 13 14 Clouds B2 B2 B1 B2 B2 B2 B2 B1 SC FW FW FW SC B1 B2 OV B2 B2 B1 SC PoP 12hr 40 60 10 50 90 QPF 12hr 0.06 0.03 0 0.15 0.40 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S C L L C C D D D D C Tstms S C C S C C S S S S C C C Heat index 82 Max heat 82 83 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 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 67 47 67 49 67 47 71 Temp 60 58 65 60 51 52 64 60 51 54 63 61 52 53 68 65 Dewpt 55 52 49 45 44 44 43 45 45 48 47 48 46 49 51 52 PWind dir W NW NW W SW W W SW Wind char GN BZ GN GN GN GN LT GN Avg clouds SC B1 B1 B1 SC FW SC SC B1 B1 B1 SC SC SC SC SC PoP 12hr 40 50 30 40 40 60 20 30 Rain shwrs C C C C C S S C C C C L S S S C Tstms C S S S S S S S S $$ MDZ017-072000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1044 AM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 64 83 65 81 Temp 73 75 75 69 66 65 66 67 76 80 80 71 69 67 66 68 76 78 80 74 Dewpt 66 66 66 64 63 63 63 64 65 63 62 63 62 62 62 64 66 66 64 64 RH 79 74 74 84 90 93 90 90 69 56 54 76 78 84 87 87 71 67 58 71 Wind dir E SE SE SE S S S S SW W SW SW S S S S S SW SW SW Wind spd 4 6 8 6 6 6 6 8 8 9 9 6 6 8 6 6 10 13 14 13 Clouds B1 B1 SC SC B1 B2 B2 B2 B1 SC SC SC SC B1 B2 B2 B2 B2 B2 B1 PoP 12hr 30 20 30 40 90 QPF 12hr 0.06 0 0.03 0.03 0.43 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S S C C C C C C L L D D C Tstms S C S S S S S C S S S S C C C Heat index 82 81 81 Max heat 82 83 82 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 74 54 71 56 73 54 74 Temp 66 63 71 64 58 57 69 64 59 60 70 64 58 60 73 67 Dewpt 60 57 54 53 49 48 46 49 51 51 50 51 50 51 52 54 PWind dir W NW NW W SW W W SW Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC SC B1 SC FW FW SC SC SC SC SC FW FW FW FW PoP 12hr 40 40 30 20 30 40 20 10 Rain shwrs C C C C S S C C C C S Tstms C S S S S S S $$ WVZ502-072000- Petersburg WV 38.99N 79.15W Elev. 963 ft 1044 AM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 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 85 59 80 Temp 71 77 82 76 68 65 65 66 75 82 85 78 67 63 59 61 68 75 79 73 Dewpt 63 63 63 63 62 61 61 61 59 54 54 55 56 56 57 60 63 62 61 58 RH 76 62 53 64 81 87 87 84 58 38 35 45 68 78 93 97 84 64 54 59 Wind dir NE W W S S SW SW SW W W W W SW SW SW SW SW SW W W Wind spd 2 4 5 4 4 5 6 6 10 11 10 6 3 4 4 8 11 16 19 18 Clouds B1 B1 B1 B1 B2 B1 B2 B1 SC FW FW SC SC B2 B2 B2 B2 B2 B1 SC PoP 12hr 40 50 20 70 90 QPF 12hr 0.03 0.04 0 0.26 0.28 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S C C C S S S S L L D D D D C Tstms S C S S C C S S S S S S S C C C Heat index 83 Max heat 83 81 83 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 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 66 45 68 47 68 46 73 Temp 60 54 63 59 51 50 64 60 51 51 64 62 52 53 70 66 Dewpt 52 50 48 46 43 42 41 44 44 45 45 46 45 47 49 50 PWind dir W W NW W W W W W Wind char BZ BZ GN GN GN GN GN GN Avg clouds SC B1 B1 SC SC SC SC SC B1 SC SC SC FW SC SC SC PoP 12hr 40 60 20 50 40 60 20 30 Rain shwrs C S C L S S C C S C L S S C Tstms C S S S S S S S S $$ MDZ014-072000- Annapolis MD 38.99N 76.49W Elev. 7 ft 1044 AM EDT Tue May 7 2024 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 65 84 65 77 Temp 70 74 76 73 68 65 67 69 75 82 84 78 70 68 65 67 69 73 75 72 Dewpt 65 65 65 64 65 64 64 64 64 62 60 59 61 60 60 62 64 66 64 62 RH 84 74 69 73 90 97 90 84 69 51 44 52 73 76 84 84 84 79 69 71 Wind dir NE E SE S S S S S SW W W SW SW SW S SE S S SW NW Wind spd 5 5 6 5 5 5 5 6 8 10 9 6 5 5 5 5 9 10 12 11 Clouds B1 B1 SC B1 B1 B2 OV B2 B1 SC FW FW SC B1 B2 B2 B2 B2 B2 B1 PoP 12hr 30 30 20 40 90 QPF 12hr 0.02 0.01 0.02 0.04 0.46 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S C C S S C C L L D D C Tstms S S S S S S S C C C Heat index 83 84 Max heat 83 84 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 71 55 68 55 70 54 72 Temp 66 62 67 65 59 57 65 65 59 58 66 64 58 58 70 67 Dewpt 59 55 53 51 49 47 47 48 50 50 50 50 51 51 52 53 PWind dir W NW NW W SW W W SW Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC B1 B1 SC FW SC SC SC SC SC SC SC FW SC SC PoP 12hr 50 40 30 20 40 50 20 20 Rain shwrs C C C C S S S C C C C S S Tstms C S S S S S $$