Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
414 FOUS51 KLWX 090243 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1043 PM EDT Wed May 8 2024 VAZ054-090800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1043 PM EDT Wed May 8 2024 Date 05/08/24 Thu 05/09/24 Fri 05/10/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 76 60 68 52 Temp 78 74 69 70 72 76 74 68 64 61 61 61 63 65 64 61 57 54 52 54 Dewpt 61 60 60 61 61 61 62 59 58 57 56 56 54 53 51 49 48 47 46 46 RH 56 62 73 73 68 60 66 73 81 87 84 84 72 65 63 65 72 77 80 74 Wind dir NW NW N NE E E E E SE E SE N NW N N N NW NW NW NW Wind spd 5 4 4 5 6 8 9 10 8 5 5 8 11 11 12 10 9 8 6 6 Clouds FW SC B2 B2 B2 B2 B2 B2 B1 B2 B2 B1 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 30 70 50 40 10 QPF 12hr 0.02 0.05 0.17 0.52 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L L L C C C C C C Tstms S S C C C C S S Date 05/11 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 69 53 70 53 75 58 79 62 78 Temp 66 63 56 57 68 66 56 57 74 70 60 62 78 71 64 65 75 73 Dewpt 44 46 48 49 46 45 46 48 48 49 51 54 55 56 56 58 59 59 PWind dir W SW NW W S S S SE SE Wind char GN LT GN LT GN GN GN GN GN Avg clouds B1 B1 B1 B1 SC SC FW FW SC SC SC B1 B1 B2 B2 B2 B2 B2 PoP 12hr 30 40 30 10 10 20 30 30 50 Rain shwrs C C S S C S S S C C C C C Tstms S C S S C S S $$ MDZ013-090800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1043 PM EDT Wed May 8 2024 Date 05/08/24 Thu 05/09/24 Fri 05/10/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 72 56 65 48 Temp 75 71 66 67 70 72 70 66 61 59 58 58 61 62 60 58 54 52 49 51 Dewpt 59 58 56 58 59 60 60 58 58 57 55 55 54 53 51 49 48 47 46 47 RH 58 63 70 73 68 66 71 75 90 93 90 90 78 72 72 72 80 83 89 86 Wind dir NW NW N NE E E E E E E E E N NE N N N N N NW Wind spd 5 3 3 4 6 9 11 11 6 6 6 8 11 11 12 9 8 6 6 8 Clouds FW SC B1 OV OV OV B2 B2 B2 OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 20 70 50 40 10 QPF 12hr 0.01 0.08 0.14 0.42 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L L L C C S S C C C C Tstms C C S S S S Date 05/11 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 67 51 68 50 74 55 77 58 76 Temp 64 61 53 54 66 64 54 55 72 69 58 62 77 70 61 61 73 70 Dewpt 45 48 49 50 47 47 48 50 48 50 52 54 56 57 57 58 59 59 PWind dir W SW NW NW S S S SE SE Wind char GN GN GN LT GN GN GN GN GN Avg clouds B1 B1 B2 B1 SC SC FW FW SC SC SC B1 B1 B1 B2 B2 B2 B2 PoP 12hr 30 50 30 10 10 20 30 30 40 Rain shwrs C C C C C S S S C C C C C Tstms S S S S C S $$ MDZ011-090800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1043 PM EDT Wed May 8 2024 Date 05/08/24 Thu 05/09/24 Fri 05/10/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 76 61 69 55 Temp 79 75 71 72 74 76 75 68 67 63 62 63 65 66 65 60 60 55 55 57 Dewpt 58 56 55 56 57 58 58 57 56 55 55 53 52 51 50 48 48 46 46 46 RH 49 52 57 57 55 54 55 68 68 75 78 70 63 58 58 64 64 72 72 67 Wind dir NW NW N N NE E E E E E E E NE NE N N N N N NW Wind spd 5 4 3 3 6 9 10 11 6 5 6 8 10 10 10 8 8 6 6 8 Clouds FW SC B1 B2 OV OV B2 B2 B2 OV OV OV OV B2 B2 B2 B2 B1 B1 B1 PoP 12hr 20 70 50 40 10 QPF 12hr 0 0.10 0.15 0.44 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L L L C C C C C C C C Tstms C C S S S S Date 05/11 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 57 73 56 78 61 82 64 81 Temp 68 63 59 60 71 67 59 60 77 70 63 66 79 74 66 67 77 73 Dewpt 44 46 48 48 45 46 46 47 47 48 51 53 54 55 55 57 58 58 PWind dir W SW NW NW S S S SE SE Wind char GN GN GN LT GN GN GN GN GN Avg clouds B1 B1 B2 B1 SC SC FW FW SC SC SC B1 B1 B1 B2 B2 B2 B2 PoP 12hr 30 50 40 10 10 20 30 30 40 Rain shwrs C C C C C S S S C C C C C Tstms S S S S C S $$ WVZ052-090800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1043 PM EDT Wed May 8 2024 Date 05/08/24 Thu 05/09/24 Fri 05/10/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 68 53 65 46 Temp 73 68 62 62 65 66 68 65 60 57 56 56 60 62 61 58 52 49 46 49 Dewpt 53 53 54 57 57 58 58 56 55 54 53 52 51 50 47 45 44 43 42 43 RH 49 59 75 84 75 75 70 73 84 90 90 86 72 65 60 62 74 80 86 80 Wind dir W W W NE E E NE N E S W W NW NW NW NW NW NW NW NW Wind spd 4 3 2 3 6 9 9 9 6 6 6 9 12 11 12 10 9 6 5 6 Clouds SC B1 B2 OV OV B2 OV B2 OV B2 B2 B1 B2 B1 B2 B1 B1 B1 B1 B1 PoP 12hr 30 70 50 30 10 QPF 12hr 0.02 0.15 0.11 0.36 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L L L C C C C C C C C S Tstms S S C C C C S S Date 05/11 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 65 46 67 45 72 50 75 55 74 Temp 62 59 49 52 64 63 49 50 70 67 54 57 72 70 59 59 70 70 Dewpt 42 45 45 46 43 43 43 46 46 48 48 51 53 53 53 55 57 57 PWind dir W SW NW W S S S SE SE Wind char GN LT GN LT GN LT GN GN GN Avg clouds B1 B1 B1 SC SC FW FW FW SC SC SC B1 B1 B2 B2 B2 B2 B1 PoP 12hr 50 40 40 10 20 20 40 30 50 Rain shwrs S C C S C C S S S S C C C C C Tstms S C S S C S S $$ VAZ506-090800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1043 PM EDT Wed May 8 2024 Date 05/08/24 Thu 05/09/24 Fri 05/10/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 74 58 67 48 Temp 75 71 66 66 70 74 72 68 63 61 59 60 63 65 64 60 55 52 49 51 Dewpt 62 60 59 61 61 61 62 60 60 58 57 56 55 53 51 49 49 47 46 46 RH 64 68 78 84 73 64 71 76 90 90 93 87 75 65 63 67 80 83 89 83 Wind dir NW NW NW N E E E E SE SE SW W NW NW N NW NW NW NW NW Wind spd 3 2 2 3 6 9 10 10 5 5 5 8 12 12 13 10 8 6 5 9 Clouds SC SC B2 B2 OV B2 B2 B1 B1 OV B2 B1 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 30 70 50 30 10 QPF 12hr 0.02 0.07 0.14 0.54 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L L L C C S S C C C C Tstms S S C C C C S S Date 05/11 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 67 49 68 49 74 54 78 58 75 Temp 65 61 52 54 66 63 52 55 73 69 58 60 75 72 62 62 73 72 Dewpt 44 48 48 50 46 47 46 49 48 50 52 54 56 57 57 58 59 60 PWind dir W SW NW W S S S SE SE Wind char GN LT GN LT GN GN GN GN GN Avg clouds B1 B1 B1 B1 SC FW FW FW SC SC SC B1 B1 B2 B2 B2 B2 B2 PoP 12hr 40 40 30 10 10 20 30 40 50 Rain shwrs C C S S C S S S C C C C C Tstms S C S C S S C $$ VAZ037-090800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1043 PM EDT Wed May 8 2024 Date 05/08/24 Thu 05/09/24 Fri 05/10/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 82 61 75 51 Temp 77 73 69 70 74 79 81 74 69 64 64 65 71 72 70 63 59 54 52 55 Dewpt 62 60 59 61 63 63 61 60 58 56 55 54 52 48 45 44 43 43 42 43 RH 60 64 70 73 69 58 51 62 68 75 73 68 51 42 41 50 55 66 69 64 Wind dir W W SW S S SW W W NE SW SW W W NW NW NW NW NW NW NW Wind spd 3 2 2 2 6 9 10 8 5 4 4 8 10 10 13 10 8 8 4 6 Clouds SC B1 OV B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 60 70 40 20 10 QPF 12hr 0.06 0.08 0.03 0.04 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L L L L L C C S S S S Tstms C C C C C C S S Heat index 82 Max heat 83 Date 05/11 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 71 50 73 50 78 56 80 60 78 Temp 69 62 53 57 71 67 53 56 76 71 60 62 76 74 64 64 75 73 Dewpt 41 45 45 46 41 42 43 45 44 48 49 51 53 53 55 56 57 57 PWind dir W W NW W S S S SE S Wind char GN LT GN LT GN LT GN GN GN Avg clouds SC B1 SC FW FW FW FW FW FW SC SC B1 B1 B1 B2 B2 B2 B1 PoP 12hr 40 30 20 5 10 20 40 40 50 Rain shwrs C C S S S C C C C C Tstms S S S S S C $$ MDZ003-090800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1043 PM EDT Wed May 8 2024 Date 05/08/24 Thu 05/09/24 Fri 05/10/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 67 55 64 47 Temp 74 68 62 62 65 66 67 63 60 58 56 57 60 61 61 57 53 49 47 50 Dewpt 55 54 54 55 57 58 58 57 57 56 54 53 53 51 48 48 46 45 45 45 RH 51 61 75 78 75 75 73 81 90 93 93 86 78 70 62 72 77 86 93 83 Wind dir NW NW N NW NE E NE NE SE S S W NW NW NW NW NW NW NW NW Wind spd 3 3 3 3 8 9 10 9 6 8 8 10 12 11 12 10 8 6 5 8 Clouds FW SC B1 B2 OV OV OV B2 OV B2 B2 B2 B2 B1 B2 B2 B2 B1 B1 B1 PoP 12hr 30 80 50 30 10 QPF 12hr 0.02 0.21 0.15 0.50 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D C C C C C C C C S Tstms S S C C S S Date 05/11 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 65 47 66 46 72 52 76 56 75 Temp 63 58 50 52 64 62 49 51 71 67 55 59 73 70 59 60 72 70 Dewpt 43 47 47 48 45 47 45 47 48 50 50 53 55 56 55 57 59 58 PWind dir W SW NW W S S S SE SE Wind char GN LT GN LT GN GN GN GN GN Avg clouds B1 B1 B2 B1 SC SC FW FW SC SC SC B1 B1 B1 B2 B2 B2 B2 PoP 12hr 50 50 40 10 20 20 30 30 50 Rain shwrs S C C S C C S S S S C C C C C Tstms S C S S S S $$ MDZ017-090800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1043 PM EDT Wed May 8 2024 Date 05/08/24 Thu 05/09/24 Fri 05/10/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 76 59 70 53 Temp 79 73 68 68 72 76 75 67 64 62 60 62 66 67 66 61 58 54 53 55 Dewpt 63 62 62 63 64 64 63 62 60 59 57 57 57 55 53 52 50 48 47 49 RH 58 68 81 84 76 66 66 84 87 90 90 84 73 65 63 72 75 80 80 80 Wind dir W NW W SW S S E NE E SE NW NW NW N N N N NW N NW Wind spd 4 4 4 5 8 9 9 11 9 8 6 8 11 10 12 11 11 11 10 11 Clouds SC SC B1 B2 B2 B1 B2 B2 B2 B2 B2 B2 B1 B2 OV B2 B2 B1 B1 B1 PoP 12hr 30 70 50 40 10 QPF 12hr 0.01 0.10 0.14 0.23 0.22 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L L L C C C C C C Tstms S S C C C C S S Date 05/11 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 69 54 70 54 74 58 77 61 76 Temp 66 62 56 58 68 65 57 59 72 68 61 63 77 69 64 64 73 69 Dewpt 47 50 49 50 49 50 49 51 51 52 53 55 57 58 57 59 60 60 PWind dir NW SW NW W S S S SE S Wind char GN GN GN GN GN GN GN GN GN Avg clouds B1 B1 B1 SC SC SC FW FW FW SC SC B1 B1 B2 B2 B2 B2 B2 PoP 12hr 20 30 30 5 5 10 30 30 40 Rain shwrs S C S S C S C C C C C Tstms S S S S S S $$ WVZ502-090800- Petersburg WV 38.99N 79.15W Elev. 963 ft 1043 PM EDT Wed May 8 2024 Date 05/08/24 Thu 05/09/24 Fri 05/10/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 76 55 65 44 Temp 73 68 64 62 69 74 75 69 63 60 57 57 60 62 62 57 52 49 45 48 Dewpt 55 56 58 60 63 63 62 60 57 54 53 52 51 48 47 45 44 43 42 43 RH 53 65 81 93 81 69 64 73 81 81 86 83 72 60 58 64 74 80 89 83 Wind dir SW SW SW SE S W W W SW SW SW W NW NW NW NW NW NW NW W Wind spd 3 2 3 2 6 6 8 6 5 5 5 8 10 11 11 10 8 5 4 6 Clouds SC B2 OV OV OV OV B2 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 70 70 50 30 10 QPF 12hr 0.05 0.26 0.05 0.10 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L L L L L C C C C C C C C S Tstms C C C C C C S S Date 05/11 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 66 45 67 45 76 51 79 55 77 Temp 64 57 49 48 64 62 48 51 73 70 55 57 76 72 59 59 73 72 Dewpt 42 46 45 45 43 44 44 45 46 50 50 51 55 56 55 55 58 58 PWind dir W W NW W SW SW S S S Wind char GN GN BZ LT GN GN GN GN GN Avg clouds B1 B1 B1 SC SC FW FW FW SC SC SC B1 B1 B1 B2 B2 B1 B1 PoP 12hr 60 40 40 5 20 20 40 40 50 Rain shwrs S L C C C S S S S C C C C C Tstms C C S S S C $$ MDZ014-090800- Annapolis MD 38.99N 76.49W Elev. 7 ft 1043 PM EDT Wed May 8 2024 Date 05/08/24 Thu 05/09/24 Fri 05/10/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 70 58 65 52 Temp 78 73 69 68 69 70 69 66 63 60 59 60 61 61 62 59 56 54 52 55 Dewpt 60 60 59 61 60 62 61 59 58 57 55 55 54 54 52 50 50 48 48 48 RH 54 64 70 78 73 76 76 78 84 90 87 84 78 78 70 72 80 80 86 77 Wind dir NW W N E E E NE E E E E E NE NE N N N N N N Wind spd 4 4 3 4 8 10 11 12 8 8 8 9 11 11 12 10 10 9 8 8 Clouds FW SC B1 B2 OV OV B2 B2 B2 OV OV OV B2 OV B2 B2 B2 B1 B1 B1 PoP 12hr 20 70 50 40 10 QPF 12hr 0.01 0.08 0.19 0.34 0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L L L C C S S C C C C Tstms C C C C S S Date 05/11 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 67 54 68 54 73 58 75 62 75 Temp 63 63 57 58 66 64 57 58 70 68 61 63 72 71 64 65 71 70 Dewpt 47 48 50 50 49 49 49 50 51 51 54 55 57 57 58 59 61 60 PWind dir W SW NW NW S S S SE SE Wind char GN GN GN LT GN GN GN GN GN Avg clouds B1 B1 B2 B1 SC SC FW FW SC SC SC B1 B1 B1 B2 B2 B2 B2 PoP 12hr 30 40 30 10 10 20 30 30 40 Rain shwrs C C C C C S S S C C C C C Tstms S S S C S $$