Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
242 FOUS51 KLWX 221738 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 138 PM EDT Wed May 22 2024 VAZ054-222000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 138 PM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 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 88 70 83 67 84 Temp 85 88 82 76 73 70 73 81 83 83 77 72 68 67 69 77 83 83 78 Dewpt 65 65 67 67 66 66 67 67 67 67 66 67 67 66 66 65 64 64 65 RH 51 47 61 74 79 87 81 63 59 59 69 84 97 97 90 67 53 53 64 Wind dir S S S S S S SW W W SW S W W W NW NW NW W S Wind spd 9 10 8 6 6 4 4 5 5 6 5 3 3 3 5 5 4 4 4 Clouds SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 B2 B2 B2 SC SC SC SC SC PoP 12hr 20 40 70 70 30 QPF 12hr 0 0.08 0.46 0.20 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C C C L L C C C S S C C C Tstms C C S C C C C C L C C S S S S S Heat index 87 90 85 83 86 86 84 84 Max heat 87 90 83 86 86 84 85 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 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 68 84 68 86 69 85 67 80 Temp 69 72 82 76 69 70 84 77 70 71 80 78 69 69 78 74 Dewpt 65 66 66 65 65 65 65 64 65 65 66 66 62 61 58 57 PWind dir S S SW S SE S SW W Wind char LT LT LT LT LT GN GN GN Avg clouds SC B2 B1 B1 SC SC SC B1 B1 B1 B2 B1 B1 B1 SC B1 PoP 12hr 30 50 30 20 50 70 50 40 Rain shwrs C C C C C S C C C L C S C C Tstms S S S C C S C C S C C S S $$ MDZ013-222000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 138 PM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 68 85 66 85 Temp 86 86 79 73 70 68 71 83 84 83 76 71 68 66 69 80 85 85 80 Dewpt 65 66 67 67 66 66 68 68 67 67 68 67 66 66 66 64 63 63 66 RH 50 51 67 81 87 93 90 61 57 59 76 87 93100 90 58 48 48 62 Wind dir S S S S S SW SW W W W S SW W W NW NW NW W S Wind spd 8 10 8 5 4 2 3 4 5 5 4 3 3 2 3 3 4 3 3 Clouds SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 SC SC SC SC SC PoP 12hr 20 40 60 60 30 QPF 12hr 0.03 0.14 0.40 0.28 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S C C C C L L C C C C C C C S Tstms S C S C C C C C C C C S S S S S Heat index 88 88 86 87 86 82 86 86 82 Max heat 88 90 88 87 86 86 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 81 65 84 66 81 64 78 Temp 68 70 81 75 67 68 82 75 67 68 78 74 66 66 76 74 Dewpt 64 65 66 66 64 65 65 64 64 65 67 67 63 61 59 59 PWind dir S S SW SE SE S SW W Wind char LT LT LT LT LT LT LT LT Avg clouds SC B2 B1 B1 B1 SC SC SC B1 B2 B2 B2 B1 B1 SC B1 PoP 12hr 30 60 30 20 50 70 60 40 Rain shwrs S C C L C S C C C L L C C C Tstms S S C C S C C S C C S S $$ MDZ011-222000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 138 PM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 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 90 71 86 68 87 Temp 86 88 79 76 72 71 73 83 86 84 75 74 69 69 71 81 86 86 78 Dewpt 65 65 65 66 66 66 67 67 67 66 67 67 66 65 65 63 62 63 65 RH 50 47 62 71 81 84 81 59 53 55 76 79 90 87 81 54 45 46 64 Wind dir S S S S SE SW SW NW W W S W W W NW NW NW W S Wind spd 8 10 8 5 3 2 3 3 5 4 3 3 2 2 3 2 3 3 3 Clouds SC B1 B1 B1 B1 B2 B1 B2 B2 B2 B2 OV B2 B1 SC SC SC SC SC PoP 12hr 20 50 60 60 30 QPF 12hr 0.02 0.19 0.37 0.27 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C L L C C C C C C C S Tstms S C C C C C C C C C C S S S S S Heat index 88 90 86 89 86 82 86 87 Max heat 88 92 89 89 86 87 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 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 69 87 70 89 71 87 69 83 Temp 70 72 86 76 72 73 86 77 72 73 83 78 71 71 81 76 Dewpt 64 64 64 65 64 64 63 64 64 64 65 66 61 59 58 57 PWind dir S S SW SE SE S SW W Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 B1 B1 SC SC SC B2 B2 B2 B2 B1 B1 SC B1 PoP 12hr 30 60 30 20 50 70 60 40 Rain shwrs S C C L C S C C C L L C C C Tstms S S C C S C C S C C S S $$ WVZ052-222000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 138 PM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 65 82 61 83 Temp 86 86 80 71 66 65 69 77 82 82 76 67 64 61 65 76 81 83 78 Dewpt 66 66 67 65 64 63 65 67 66 65 64 63 62 61 63 62 61 60 64 RH 51 51 65 81 93 93 87 71 58 56 66 87 93100 93 62 51 46 62 Wind dir S S S SW SW SW W W W NW SW W W W NW NW NW SW SE Wind spd 5 8 5 3 3 2 3 3 3 4 3 2 2 2 3 3 3 3 3 Clouds B1 B1 B2 SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC PoP 12hr 60 50 80 50 40 QPF 12hr 0.10 0.23 0.25 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C S C C C C L D C C C S C C C C C Tstms S S C S C C C C C C S S S S S S Obvis PF Heat index 88 88 82 84 84 82 83 Max heat 88 89 84 84 82 83 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 81 60 82 63 80 59 75 Temp 65 66 80 74 63 65 80 76 65 66 76 74 63 62 73 72 Dewpt 61 62 64 64 62 63 62 63 62 63 65 62 59 56 56 54 PWind dir S S SW SE SE S SW W Wind char LT LT LT LT LT LT LT GN Avg clouds SC B2 B1 B1 SC SC SC B1 B1 B2 B2 B1 B1 B1 SC SC PoP 12hr 40 70 20 30 60 80 50 50 Rain shwrs C C C L S C C L L D C C C C Tstms S S S C S C C C S C C S S $$ VAZ506-222000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 138 PM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 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 88 68 83 64 84 Temp 86 87 81 74 71 68 72 80 83 82 76 70 67 64 68 77 81 84 79 Dewpt 65 66 68 68 67 66 68 68 67 68 68 67 65 64 66 65 64 64 66 RH 50 50 65 82 87 93 87 67 59 63 76 90 93100 93 67 56 51 64 Wind dir S S S S S SW W NW W W N W W W NW NW NW W S Wind spd 6 8 6 6 4 3 3 4 4 4 4 2 3 3 3 4 3 3 3 Clouds SC B1 B2 B1 B1 B1 B1 B2 B2 B2 B1 B2 B2 B1 SC SC SC SC SC PoP 12hr 30 40 80 60 40 QPF 12hr 0 0.09 0.42 0.10 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S C C C L D L C C C S S C C C Tstms C C C S C S C C C L C C S S S S Heat index 88 89 84 83 86 85 83 85 Max heat 88 90 86 86 83 85 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 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 83 64 85 66 83 63 78 Temp 66 69 81 75 66 68 83 77 68 68 79 77 66 66 76 74 Dewpt 64 66 66 67 65 66 65 66 65 66 67 66 63 61 59 59 PWind dir S S S SE S S SW W Wind char LT LT LT LT LT LT LT LT Avg clouds SC B2 B1 B1 SC SC SC B1 B1 B2 B2 B1 B1 B1 SC SC PoP 12hr 40 60 30 30 60 70 50 40 Rain shwrs C C C L C C L C C L C C C C Tstms S S S C C C C C S C C S S $$ VAZ037-222000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 138 PM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 67 84 63 84 Temp 87 89 81 73 70 67 70 81 82 81 73 69 65 63 67 78 83 84 78 Dewpt 67 66 66 65 65 64 65 66 65 65 64 64 63 61 63 63 62 63 65 RH 52 47 60 76 84 90 84 60 56 58 73 84 93 93 87 60 49 49 64 Wind dir S S S S SW SW SW W SW SW SW SW W W NW NW S S S Wind spd 6 8 5 4 4 3 2 3 4 5 4 2 2 2 2 2 3 3 3 Clouds SC B1 B1 SC B1 SC B1 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC B1 PoP 12hr 30 30 70 60 50 QPF 12hr 0.01 0.01 0.22 0.05 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C S S C C C L L L C S S S S C C C Tstms C S C S S C C C C L L C S S C C C Obvis PF PF PF Heat index 90 92 83 83 84 83 84 85 Max heat 90 92 86 84 84 85 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 86 65 87 68 86 64 82 Temp 67 69 84 77 68 70 85 78 70 71 82 79 68 68 80 75 Dewpt 64 64 64 64 63 64 63 64 63 64 64 63 59 58 55 55 PWind dir SW S W S S SW W W Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 SC SC SC SC B1 B2 B2 B1 B1 SC SC SC SC PoP 12hr 50 50 20 40 50 70 40 50 Rain shwrs C C C C S C C C C L C S C C Tstms C C S C S C C C C C S S $$ MDZ003-222000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 138 PM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 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 88 66 82 62 83 Temp 86 87 80 72 70 66 71 79 82 82 78 69 65 62 66 75 82 83 77 Dewpt 66 66 67 67 66 65 66 68 67 66 66 64 63 61 64 63 61 60 64 RH 51 50 65 84 87 97 84 69 61 58 67 84 93 97 93 66 49 46 64 Wind dir S S S S S S W W W W SW W W W W NW NW W S Wind spd 6 8 6 4 3 3 3 4 4 4 4 3 3 2 3 4 4 3 3 Clouds B1 B1 B2 B1 B2 B2 OV B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC PoP 12hr 50 50 60 50 30 QPF 12hr 0.17 0.19 0.22 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S C C C L L C C C S C C C C S Tstms S C S S C C C C C S S S S S S Obvis PF Heat index 88 89 82 85 84 83 83 Max heat 88 90 85 85 83 83 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 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 82 63 82 64 80 61 75 Temp 65 68 81 74 65 66 80 75 66 66 77 74 64 64 74 71 Dewpt 61 63 66 65 63 64 63 64 63 64 66 64 61 59 58 57 PWind dir SE S SW SE SE S SW W Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 B1 SC SC SC SC B2 B2 B2 B1 B1 SC SC SC PoP 12hr 30 70 30 30 60 80 50 50 Rain shwrs S C C L C C C L L D C C C C Tstms S S C C C C C S C C S S $$ MDZ017-222000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 138 PM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 69 87 67 85 Temp 82 84 76 72 71 71 74 82 85 84 74 71 68 67 70 78 84 83 76 Dewpt 65 65 64 64 64 63 64 67 68 67 66 66 66 65 66 66 66 65 65 RH 56 53 66 76 79 76 71 61 57 57 76 84 93 93 87 67 55 55 69 Wind dir S SE S S S SW SW SW SE SE S SW SW W W NW N SE S Wind spd 10 11 10 8 8 6 6 5 5 6 5 4 4 4 4 4 5 4 4 Clouds SC B1 SC SC SC SC B1 SC B2 B1 B2 OV B2 B2 B1 B1 SC SC SC PoP 12hr 5 20 50 70 30 QPF 12hr 0 0.04 0.48 0.40 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C L L C C S S C C C Tstms S S S C C C L C C S S S S S S Heat index 84 86 85 88 87 86 85 Max heat 84 87 88 91 86 87 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 79 65 81 67 83 65 80 Temp 68 69 78 72 66 68 79 72 67 69 80 75 68 68 78 73 Dewpt 64 65 66 65 63 64 65 64 63 65 67 66 63 63 61 61 PWind dir S SE S SE S S SW W Wind char LT LT LT LT LT GN LT GN Avg clouds SC B2 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 SC SC SC PoP 12hr 30 40 20 20 40 60 50 40 Rain shwrs C C C C S S C C C L C C S C Tstms S S S C S S C C S C C C $$ WVZ502-222000- Petersburg WV 38.99N 79.15W Elev. 963 ft 138 PM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 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 89 63 82 59 84 Temp 87 88 78 69 65 63 65 73 80 80 74 65 62 59 63 74 83 83 77 Dewpt 64 64 66 64 63 62 64 64 64 65 64 62 60 59 61 62 61 62 64 RH 46 45 67 84 93 97 97 73 58 60 71 90 93100 93 66 47 49 64 Wind dir SW SW S S SW S SW SW W SW NW SW SW W W N NW S S Wind spd 5 5 4 3 3 2 2 3 2 3 3 2 2 1 1 2 3 3 2 Clouds B1 B1 B2 B1 B1 B2 OV OV B2 B2 B2 B2 B1 B1 SC SC SC SC B1 PoP 12hr 40 50 70 50 60 QPF 12hr 0.02 0.05 0.29 0.02 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C L L L C C S S S L L C Tstms C C S C S C L C C S S C C C Obvis PF Heat index 88 89 82 82 83 84 Max heat 88 90 82 84 83 84 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 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 85 60 86 63 83 59 76 Temp 64 65 82 76 63 65 84 75 65 66 81 76 63 61 75 70 Dewpt 61 63 63 64 61 63 60 64 62 64 65 63 59 56 55 55 PWind dir SW W SW S S SW W W Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 SC SC SC SC SC B1 B2 B1 B1 B1 B1 B1 SC SC PoP 12hr 40 60 20 40 60 80 50 50 Rain shwrs C C C L S C L C L D C S C C Tstms C S C C S C C C S C C S S $$ MDZ014-222000- Annapolis MD 38.99N 76.49W Elev. 7 ft 138 PM EDT Wed May 22 2024 Date Wed 05/22/24 Thu 05/23/24 Fri 05/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 69 84 67 83 Temp 81 81 75 72 70 69 73 82 84 82 77 74 70 67 71 77 81 83 78 Dewpt 67 66 65 66 65 65 67 68 69 68 67 67 66 66 66 66 66 65 66 RH 63 60 71 81 84 87 81 63 61 63 71 79 87 97 84 69 60 55 67 Wind dir S S S S S S SW W SW S S SW SW W W N NE S S Wind spd 11 12 11 8 5 4 3 4 5 6 4 3 2 2 3 3 5 5 3 Clouds FW SC SC SC B1 B1 B1 B2 B2 B2 B2 OV B2 B2 B1 SC SC SC SC PoP 12hr 5 40 60 70 30 QPF 12hr 0 0.14 0.47 0.24 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C L L C C C C C C C S Tstms S S C C C C C C C C S S S S S Heat index 83 83 85 88 85 83 85 Max heat 83 85 88 87 83 85 Date Sat 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 79 67 81 68 81 66 78 Temp 68 70 77 73 69 69 78 74 69 70 77 74 68 68 76 73 Dewpt 65 66 67 66 65 65 66 65 65 65 67 66 63 62 60 60 PWind dir S S S SE S S SW W Wind char LT LT LT LT LT GN LT LT Avg clouds SC B1 B1 B1 B1 SC SC SC B1 B2 B2 B2 B1 B1 SC SC PoP 12hr 30 50 30 20 50 70 50 40 Rain shwrs S C C C C S C C C L C C C C Tstms S S C C S C C S C C S S $$