Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
651 FOUS51 KLWX 081741 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 141 PM EDT Wed May 8 2024 VAZ054-082000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 141 PM EDT Wed May 8 2024 Date Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 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 67 77 60 68 Temp 87 90 81 75 71 69 70 72 76 74 68 64 61 61 61 63 65 64 61 Dewpt 62 60 58 59 60 60 61 61 61 62 59 58 57 56 56 54 53 51 49 RH 43 37 46 58 68 73 73 68 60 66 73 81 87 84 84 72 65 63 65 Wind dir W W NW NW NW N NE E E E E N W W NW NW NW NW NW Wind spd 14 13 8 5 4 4 5 6 8 9 10 6 6 6 9 13 14 14 11 Clouds SC B1 FW FW SC B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 OV B2 B2 PoP 12hr 5 30 70 50 40 QPF 12hr 0 0.01 0.19 0.02 0.06 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 Heat index 87 90 81 Max heat 87 90 Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 52 69 53 70 53 75 58 79 Temp 54 54 66 63 56 57 68 66 56 57 74 70 60 62 78 71 Dewpt 47 46 44 46 48 49 46 45 46 48 48 49 51 54 55 56 PWind dir NW W SW NW NW SW S S Wind char GN GN LT GN LT GN GN GN Avg clouds B2 B1 SC B1 B1 SC SC SC FW FW SC SC SC SC SC B1 PoP 12hr 10 30 40 30 10 10 20 30 Rain shwrs C C S S C S S S C Tstms S C S S C $$ MDZ013-082000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 141 PM EDT Wed May 8 2024 Date Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 64 75 56 65 Temp 87 89 79 72 67 64 67 70 72 70 66 61 59 58 58 61 62 60 58 Dewpt 62 60 60 59 57 56 58 59 60 60 58 58 57 55 55 54 53 51 49 RH 43 38 52 64 70 75 73 68 66 71 75 90 93 90 90 78 72 72 72 Wind dir W W W NW NW N NE E E E E NE W NW W NW NW NW N Wind spd 16 16 6 5 3 3 4 6 9 11 11 5 6 6 11 13 14 14 11 Clouds B1 SC FW FW SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV B2 PoP 12hr 5 20 70 50 40 QPF 12hr 0 0.01 0.20 0.05 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L L L C C S S C C C C Tstms C C S S S S Heat index 87 89 Max heat 87 89 Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 67 51 68 50 74 55 77 Temp 52 51 64 61 53 54 66 64 54 55 72 69 58 62 77 70 Dewpt 47 47 45 48 49 50 47 47 48 50 48 50 52 54 56 57 PWind dir NW W SW NW W SW S S Wind char GN GN GN GN LT GN GN GN Avg clouds B2 B1 SC B1 B1 SC SC SC FW FW SC SC SC SC SC SC PoP 12hr 10 30 50 30 10 10 20 30 Rain shwrs C C C C C S S S C Tstms S S S S C $$ MDZ011-082000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 141 PM EDT Wed May 8 2024 Date Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 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 69 79 61 69 Temp 88 88 83 78 72 71 72 74 76 75 68 67 63 62 63 65 66 65 60 Dewpt 61 58 57 57 56 55 56 57 58 58 57 56 55 55 53 52 51 50 48 RH 40 36 41 48 57 57 57 55 54 55 68 68 75 78 70 63 58 58 64 Wind dir W W W NW NW N N NE E E E NE NW NW NW NW NW NW N Wind spd 16 16 6 5 4 3 3 6 9 10 11 5 5 6 10 13 13 13 10 Clouds SC SC SC FW SC B1 OV B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV B2 PoP 12hr 5 20 70 50 40 QPF 12hr 0 0.01 0.23 0.05 0.07 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 Heat index 88 Max heat 89 88 82 Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 55 72 57 73 56 78 61 82 Temp 55 57 68 63 59 60 71 67 59 60 77 70 63 66 79 74 Dewpt 46 46 44 46 48 48 45 46 46 47 47 48 51 53 54 55 PWind dir NW W SW NW W SW S S Wind char GN GN GN GN LT GN GN GN Avg clouds B1 B1 SC B1 B1 SC SC SC FW FW SC SC SC SC SC SC PoP 12hr 10 30 50 40 10 10 20 30 Rain shwrs C C C C C S S S C Tstms S S S S C $$ WVZ052-082000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 141 PM EDT Wed May 8 2024 Date Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 59 70 53 65 Temp 82 84 76 67 63 61 62 65 66 68 65 60 57 56 56 60 62 61 58 Dewpt 57 55 54 54 54 54 57 57 58 58 56 55 54 53 52 51 50 47 45 RH 43 37 46 63 72 78 84 75 75 70 73 84 90 90 86 72 65 60 62 Wind dir W W NW W W W NE E E NE N NW W NW NW NW NW NW NW Wind spd 17 16 5 4 3 2 3 6 9 9 9 8 8 9 12 16 16 16 14 Clouds SC SC FW SC B1 B2 OV B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B1 PoP 12hr 5 30 70 50 30 QPF 12hr 0 0.03 0.30 0.08 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L L L C C C C C C C C Tstms S S C C C C S S Heat index 82 Max heat 82 83 Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 65 46 67 45 72 50 75 Temp 49 49 62 59 49 52 64 63 49 50 70 67 54 57 72 70 Dewpt 43 43 42 45 45 46 43 43 43 46 46 48 48 51 53 53 PWind dir NW W SW NW W SW S S Wind char GN GN LT GN LT GN LT GN Avg clouds B1 B1 SC B1 B1 SC SC SC FW FW SC SC SC SC SC SC PoP 12hr 10 50 40 40 10 20 20 40 Rain shwrs S C C S C C S S S S C Tstms S C S S C $$ VAZ506-082000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 141 PM EDT Wed May 8 2024 Date Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 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 76 58 67 Temp 86 89 79 71 67 64 66 70 74 72 68 63 61 59 60 63 65 64 60 Dewpt 62 60 60 59 59 59 61 61 61 62 60 60 58 57 56 55 53 51 49 RH 45 38 52 66 75 84 84 73 64 71 76 90 90 93 87 75 65 63 67 Wind dir W W NW NW NW NW N E E E E NW W W W NW NW NW NW Wind spd 14 13 5 3 2 2 3 6 9 10 10 5 6 6 11 16 18 18 13 Clouds B1 SC FW SC SC B2 OV B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 PoP 12hr 5 30 70 50 30 QPF 12hr 0 0.01 0.21 0.04 0.07 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 Heat index 86 89 Max heat 86 89 Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 48 67 49 68 49 74 54 78 Temp 52 51 65 61 52 54 66 63 52 55 73 69 58 60 75 72 Dewpt 47 46 44 48 48 50 46 47 46 49 48 50 52 54 56 57 PWind dir NW W SW NW W SW S S Wind char GN GN LT GN LT GN GN GN Avg clouds B2 B1 SC B1 B1 SC SC SC FW FW SC SC SC SC SC SC PoP 12hr 10 40 40 30 10 10 20 30 Rain shwrs C C S S C S S S C Tstms S C S C S $$ VAZ037-082000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 141 PM EDT Wed May 8 2024 Date Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 66 82 61 75 Temp 87 90 81 74 69 68 70 74 79 81 74 69 64 64 65 71 72 70 63 Dewpt 60 58 58 58 58 59 61 63 63 61 60 58 56 55 54 52 48 45 44 RH 40 34 46 57 68 73 73 69 58 51 62 68 75 73 68 51 42 41 50 Wind dir W W SW W W SW S S SW W W W W W W W NW NW NW Wind spd 14 13 4 3 2 2 2 6 9 10 8 5 5 4 9 13 12 16 12 Clouds OV B1 SC SC B1 OV B2 B2 B2 B1 B1 SC SC SC SC B1 B1 SC SC PoP 12hr 20 60 70 40 20 QPF 12hr 0.01 0.04 0.12 0.01 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L L L L L L C C S S S S Tstms S C C C C C C S S Heat index 87 81 82 Max heat 87 89 83 Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 71 50 73 50 78 56 80 Temp 54 55 69 62 53 57 71 67 53 56 76 71 60 62 76 74 Dewpt 43 43 41 45 45 46 41 42 43 45 44 48 49 51 53 53 PWind dir NW W W NW W SW S S Wind char GN GN LT GN LT GN LT GN Avg clouds SC FW SC B1 SC FW FW FW FW FW FW SC SC SC B1 SC PoP 12hr 10 40 30 20 5 10 20 40 Rain shwrs C C S S S C Tstms S S S S $$ MDZ003-082000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 141 PM EDT Wed May 8 2024 Date Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 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 60 69 55 64 Temp 82 84 75 67 63 61 62 65 66 67 63 60 58 56 57 60 61 61 57 Dewpt 58 56 56 54 54 53 55 57 58 58 57 57 56 54 53 53 51 48 48 RH 44 38 52 63 72 75 78 75 75 73 81 90 93 93 86 78 70 62 72 Wind dir W W NW NW NW N NW NE E NE NE N W NW NW NW NW NW NW Wind spd 18 17 6 3 3 3 3 8 9 10 9 6 10 10 14 17 14 17 14 Clouds SC SC FW FW SC B1 OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 5 30 80 50 30 QPF 12hr 0 0.03 0.34 0.07 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D C C C C C C C C Tstms S S C C S S Heat index 82 Max heat 82 83 Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 47 65 47 66 46 72 52 76 Temp 49 50 63 58 50 52 64 62 49 51 71 67 55 59 73 70 Dewpt 45 45 43 47 47 48 45 47 45 47 48 50 50 53 55 56 PWind dir NW W SW NW W SW S S Wind char GN GN LT GN LT GN LT GN Avg clouds B2 B1 B1 B1 B1 SC SC SC FW FW SC SC SC SC SC SC PoP 12hr 10 50 50 40 10 20 20 30 Rain shwrs S C C S C C S S S S C Tstms S C S S S $$ MDZ017-082000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 141 PM EDT Wed May 8 2024 Date Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 64 78 59 70 Temp 85 84 76 71 68 66 68 72 76 75 67 64 62 60 62 66 67 66 61 Dewpt 65 64 64 64 62 61 63 64 64 63 62 60 59 57 57 57 55 53 52 RH 51 51 66 79 81 84 84 76 66 66 84 87 90 90 84 73 65 63 72 Wind dir W W SW W NW W SW S S E NE NW N N NW NW NW NW N Wind spd 13 11 3 4 4 4 5 8 9 9 11 8 8 9 10 13 11 12 11 Clouds CL B2 B1 SC SC B1 B2 B2 B2 OV B2 B2 B1 B1 B2 B2 B2 B2 B2 PoP 12hr 20 30 70 50 40 QPF 12hr 0.03 0.01 0.28 0.13 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L L L L C C C C C C Tstms S S S S C C C C S S Heat index 87 85 Max heat 87 87 Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 53 69 54 70 54 74 58 77 Temp 54 55 66 62 56 58 68 65 57 59 72 68 61 63 77 69 Dewpt 48 49 47 50 49 50 49 50 49 51 51 52 53 55 57 58 PWind dir NW NW SW NW NW SW S S Wind char GN GN GN GN GN GN GN GN Avg clouds B1 B1 SC SC B1 SC SC SC FW FW FW SC SC SC SC B1 PoP 12hr 10 20 30 30 5 5 10 30 Rain shwrs S C S S C S C Tstms S S S S $$ WVZ502-082000- Petersburg WV 38.99N 79.15W Elev. 963 ft 141 PM EDT Wed May 8 2024 Date Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 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 86 61 76 55 65 Temp 83 85 76 67 64 62 62 69 74 75 69 63 60 57 57 60 62 62 57 Dewpt 58 56 58 58 57 58 60 63 63 62 60 57 54 53 52 51 48 47 45 RH 43 37 54 73 78 87 93 81 69 64 73 81 81 86 83 72 60 58 64 Wind dir W W W SW SW SW SE S W W W W W W W W NW NW NW Wind spd 14 13 4 3 2 3 2 6 6 8 6 8 6 6 11 12 13 13 12 Clouds B1 B1 FW SC B2 OV OV B2 B2 B1 B1 B1 SC SC B1 B1 B1 B2 SC PoP 12hr 5 70 70 50 30 QPF 12hr 0 0.01 0.26 0.07 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L L L L L C C C C C C C C Tstms C C C C C C S S Heat index 83 Max heat 83 84 Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 44 66 45 67 45 76 51 79 Temp 49 48 64 57 49 48 64 62 48 51 73 70 55 57 76 72 Dewpt 43 43 42 46 45 45 43 44 44 45 46 50 50 51 55 56 PWind dir W W W NW W SW SW S Wind char GN GN GN GN LT GN LT LT Avg clouds SC SC SC B1 SC SC SC SC FW FW SC SC SC SC SC SC PoP 12hr 10 60 40 40 5 20 20 40 Rain shwrs S L C C C S S S S C Tstms C C S S $$ MDZ014-082000- Annapolis MD 38.99N 76.49W Elev. 7 ft 141 PM EDT Wed May 8 2024 Date Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 66 73 58 65 Temp 81 84 78 72 68 67 68 69 70 69 66 63 60 59 60 61 61 62 59 Dewpt 64 62 61 61 60 60 61 60 62 61 59 58 57 55 55 54 54 52 50 RH 56 48 56 68 76 78 78 73 76 76 78 84 90 87 84 78 78 70 72 Wind dir W W W NW W N E E E NE E NE NW N NW NW NW NW N Wind spd 14 13 5 4 4 3 4 8 10 11 12 6 9 9 12 14 13 13 11 Clouds OV B1 FW FW SC B1 OV B2 B1 B2 B2 B2 B2 B2 B2 OV OV OV B2 PoP 12hr 5 20 70 50 40 QPF 12hr 0 0.01 0.28 0.02 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L L L C C S S C C C C Tstms C C C C S S Heat index 83 85 Max heat 83 86 Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 67 54 68 54 73 58 75 Temp 54 55 63 63 57 58 66 64 57 58 70 68 61 63 72 71 Dewpt 48 48 47 48 50 50 49 49 49 50 51 51 54 55 57 57 PWind dir NW W SW NW W SW S S Wind char GN GN GN GN GN GN GN GN Avg clouds B2 B1 SC B1 B1 SC SC SC FW FW SC SC SC SC SC SC PoP 12hr 10 30 40 30 10 10 20 30 Rain shwrs C C C C C S S S C Tstms S S S C $$