Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
150 FOUS51 KLWX 100241 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1040 PM EDT Thu May 9 2024 VAZ054-100800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1040 PM EDT Thu May 9 2024 Date 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun 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 58 64 50 66 53 Temp 67 63 60 59 60 60 59 57 54 53 51 52 59 62 64 61 57 55 54 55 Dewpt 56 56 55 55 53 52 49 47 47 46 45 45 44 43 44 45 47 48 49 50 RH 68 78 84 87 78 75 69 69 77 77 80 77 57 50 48 56 69 77 83 83 Wind dir E E NE NE E E NE NE NE N N N N N SE SE SE S SW NW Wind spd 8 5 4 6 9 10 12 10 8 5 5 5 4 5 8 6 5 5 4 8 Clouds B2 OV OV OV OV OV OV OV OV B2 B1 SC B1 B1 B1 B2 B1 B1 B1 SC PoP 12hr 40 70 50 40 60 QPF 12hr 0.18 0.11 0.06 0.01 0.14 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C L L C C C C L L C C C Tstms S C C S S S S S Date 05/12 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 68 52 77 61 77 63 76 64 80 Temp 65 62 55 57 75 72 63 66 74 70 65 65 74 72 66 66 78 76 Dewpt 46 47 48 49 49 51 53 55 58 58 60 61 61 60 60 62 61 59 PWind dir NW W S S S SE E N NW Wind char GN LT GN GN GN GN GN GN GN Avg clouds B1 B1 SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 40 5 5 10 40 60 60 50 40 Rain shwrs C C S C L L L L C C C C Tstms C S C C C $$ MDZ013-100800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1040 PM EDT Thu May 9 2024 Date 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 59 47 65 50 Temp 63 59 56 56 56 56 55 54 52 50 48 51 58 62 63 59 56 53 51 53 Dewpt 54 54 54 54 53 52 50 48 47 46 45 45 44 43 43 45 47 48 49 50 RH 72 83 93 93 90 86 83 80 83 86 89 80 59 50 48 60 72 83 93 89 Wind dir E E E E E E E NE NE NE N N N SE SE SE SE S S NW Wind spd 8 6 5 8 10 10 9 6 6 5 4 5 4 5 5 5 6 8 8 10 Clouds OV OV OV OV OV OV OV OV OV B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 PoP 12hr 50 70 50 30 60 QPF 12hr 0.13 0.11 0.07 0.02 0.12 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L L L L C C C C L L C C C Tstms S S S S Date 05/12 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 49 75 59 77 60 74 61 78 Temp 62 59 52 53 74 70 60 64 74 69 63 62 72 70 64 64 76 74 Dewpt 48 49 48 49 50 52 54 56 58 59 60 61 62 61 61 62 61 61 PWind dir NW W S S S SE E N NE Wind char GN LT GN GN GN GN GN GN GN Avg clouds B1 SC FW SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 40 5 5 10 40 60 60 50 40 Rain shwrs C C S C C L L L C C C C Tstms S S C S S $$ MDZ011-100800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1040 PM EDT Thu May 9 2024 Date 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun 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 58 64 52 70 56 Temp 63 62 60 59 60 59 60 59 57 55 53 53 63 65 67 64 61 58 57 55 Dewpt 54 53 52 53 50 50 49 47 46 45 44 44 42 41 42 43 46 47 48 49 RH 72 72 75 80 69 72 67 64 67 69 71 71 46 41 40 46 58 67 72 80 Wind dir E E E E E E E NE NE NE N N N S SE SE SE S S NW Wind spd 6 6 5 8 9 9 9 5 5 5 4 5 4 5 5 5 6 8 8 10 Clouds OV OV OV OV OV OV OV OV OV B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 PoP 12hr 60 80 40 40 60 QPF 12hr 0.13 0.12 0.06 0.03 0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C C L L D D C C C C L L C C C Tstms S S S S Date 05/12 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 55 79 64 77 66 80 67 83 Temp 66 64 58 59 77 71 65 66 75 67 67 68 77 73 68 69 81 76 Dewpt 47 47 48 48 49 50 53 54 57 57 59 60 60 59 60 60 59 59 PWind dir N W S S S SE E NE NE Wind char GN LT GN GN GN GN GN GN GN Avg clouds B1 SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 40 5 5 10 40 60 60 50 40 Rain shwrs C C S C C L L L C C C C Tstms S S C S S $$ WVZ052-100800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1040 PM EDT Thu May 9 2024 Date 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 59 44 62 46 Temp 57 56 55 56 56 56 55 54 50 48 46 48 55 60 59 56 51 49 48 52 Dewpt 55 55 54 53 52 50 48 46 45 44 43 44 44 44 46 47 47 46 45 47 RH 93 96 96 90 86 80 77 74 83 86 89 86 66 55 62 72 86 89 89 83 Wind dir NE E NE NE NE NE N N N N N N W SW SW S S SW W NW Wind spd 5 5 5 5 6 6 8 6 5 4 3 3 4 5 5 5 5 5 5 10 Clouds OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B2 B2 B2 B1 B1 SC PoP 12hr 100 70 40 60 60 QPF 12hr 0.27 0.20 0.04 0.06 0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs O O C L L L L C C S S L L L L C C C Tstms S S S S S S S S S Date 05/12 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 65 44 74 54 74 58 72 58 76 Temp 62 59 48 49 71 69 57 60 71 69 61 60 69 70 61 62 74 73 Dewpt 45 45 43 45 48 50 49 53 56 56 57 59 59 58 56 58 59 58 PWind dir NW SW S S S SE E N W Wind char GN LT GN GN GN GN GN GN GN Avg clouds SC SC FW FW SC SC SC B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 50 5 10 20 50 60 70 50 50 Rain shwrs C C S C C C L L L C C C C Tstms C C C C C $$ VAZ506-100800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1040 PM EDT Thu May 9 2024 Date 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun 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 56 62 47 66 49 Temp 66 62 58 58 59 59 58 56 52 51 48 50 58 62 64 59 55 53 51 53 Dewpt 55 56 56 55 55 52 51 49 48 47 46 46 45 45 46 50 50 50 49 51 RH 68 81 93 90 87 78 77 77 86 86 93 86 62 54 52 72 83 89 93 93 Wind dir E E NE NE NE NE NE NE N N N N N W S S S S SW NW Wind spd 5 4 3 4 8 8 6 5 4 5 3 4 3 4 3 4 4 6 6 10 Clouds B2 B2 OV OV OV OV OV OV OV OV B1 B1 B1 B1 B2 B1 B1 B1 B1 SC PoP 12hr 70 70 50 50 60 QPF 12hr 0.19 0.15 0.04 0.03 0.24 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C C C L L C C C C L L C C C Tstms S L S S S S S S S S Date 05/12 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 48 76 57 76 60 74 61 78 Temp 64 61 52 53 74 71 60 62 73 69 63 62 73 71 64 63 77 75 Dewpt 48 49 48 48 50 52 53 55 58 59 60 61 62 62 60 62 62 62 PWind dir NW W S S S SE E N NW Wind char GN LT GN GN GN GN GN GN GN Avg clouds SC SC FW FW SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 40 5 5 20 40 60 60 50 40 Rain shwrs C C S S C L L L L C C C C Tstms C C C C C $$ VAZ037-100800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1040 PM EDT Thu May 9 2024 Date 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 75 49 69 50 Temp 69 65 61 64 71 71 68 62 57 53 52 53 61 66 66 61 57 54 53 55 Dewpt 57 57 56 56 53 52 50 47 46 45 44 44 44 43 45 47 47 47 45 45 RH 66 75 84 75 53 51 52 58 67 74 74 71 53 43 47 60 69 77 74 69 Wind dir NE NE NE NW NW NW N N N N N N N SW SW W SW W W W Wind spd 4 4 3 5 6 9 9 8 5 5 4 4 4 5 5 4 3 4 4 8 Clouds B1 B1 B1 B1 FW B1 B2 SC B1 B1 B1 B1 B1 B1 B2 SC SC SC SC FW PoP 12hr 50 50 40 50 40 QPF 12hr 0.15 0.10 0.03 0.09 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C C C C S Tstms S C C C S S Date 05/12 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 49 78 59 76 63 78 63 82 Temp 70 66 54 55 76 72 61 65 73 71 66 66 76 73 65 66 80 77 Dewpt 41 42 43 44 46 49 50 53 55 56 58 59 60 59 58 58 60 59 PWind dir NW W S S S S SW NW SW Wind char GN LT GN LT GN LT GN LT GN Avg clouds FW FW FW FW FW SC SC B1 B1 B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 20 0 5 20 50 60 70 40 50 Rain shwrs S S S C C L C L L C S C C Tstms C C C C S $$ MDZ003-100800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1040 PM EDT Thu May 9 2024 Date 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun 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 54 58 45 63 48 Temp 60 58 56 55 55 55 55 54 51 48 47 49 55 60 60 57 53 51 50 52 Dewpt 55 54 53 53 52 50 49 47 46 46 45 45 45 46 46 48 49 49 48 49 RH 84 86 90 93 90 83 80 77 83 93 93 86 69 60 60 72 86 93 93 89 Wind dir NE NE NE NE E NE NE NE NE N N N SW SW SW S SE S SW W Wind spd 8 6 6 8 8 8 8 6 5 5 3 3 3 5 5 5 6 6 5 10 Clouds OV OV OV OV OV OV OV OV OV B2 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 PoP 12hr 90 80 50 60 60 QPF 12hr 0.33 0.26 0.04 0.07 0.24 Snow 12hr 00-00 00-00 00-00 Rain shwrs O O L L L D D C C S S L L L L C C C Tstms S S S S S S S S S Date 05/12 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 64 46 75 55 74 59 73 59 76 Temp 62 59 49 51 73 69 57 60 71 68 61 61 71 69 61 62 75 73 Dewpt 48 48 46 47 51 52 51 54 58 59 58 60 60 59 58 60 61 60 PWind dir NW SW S S S SE E NE W Wind char GN LT GN GN GN GN GN GN GN Avg clouds B1 SC FW FW SC SC SC B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 50 5 10 20 50 60 60 50 50 Rain shwrs C C S S C C C L L L C C C C Tstms C C C S S $$ MDZ017-100800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1040 PM EDT Thu May 9 2024 Date 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 67 51 66 54 Temp 68 65 61 62 64 64 62 57 55 53 52 54 60 63 64 60 57 56 55 58 Dewpt 59 58 57 58 57 55 52 50 49 48 46 46 45 44 44 46 48 50 50 52 RH 73 78 87 87 78 73 70 77 80 83 80 74 58 50 48 60 72 80 83 80 Wind dir E E NE NE NE E NE NE NE N N N N N SE SE SE S S NW Wind spd 10 5 5 6 10 11 11 10 10 9 8 6 6 6 6 8 9 9 10 11 Clouds B2 B2 B2 B2 OV OV OV OV OV OV B2 B1 B1 B1 SC B1 B1 B1 B1 SC PoP 12hr 60 70 50 30 50 QPF 12hr 0.14 0.11 0.04 0.01 0.12 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C C L L C C C C C C C C C Tstms S S S S S S Date 05/12 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 69 53 74 61 77 63 76 64 78 Temp 66 62 56 58 73 68 62 66 75 70 65 66 75 69 65 66 76 72 Dewpt 50 51 51 51 52 55 54 56 59 60 60 62 63 62 61 62 62 61 PWind dir NW S S S S S S NW W Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC SC FW FW FW SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 SC PoP 12hr 30 0 0 10 30 60 60 40 40 Rain shwrs C C S C C L L C C C C C Tstms S C S S C $$ WVZ502-100800- Petersburg WV 38.99N 79.15W Elev. 963 ft 1040 PM EDT Thu May 9 2024 Date 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun 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 54 65 44 67 46 Temp 60 57 55 57 61 61 61 57 51 48 46 48 58 64 62 58 52 50 48 50 Dewpt 56 55 54 55 53 51 49 47 46 44 43 44 43 42 46 47 47 46 45 45 RH 87 93 96 93 75 70 65 69 83 86 89 86 57 45 56 67 83 86 89 83 Wind dir NE NW N NW NW NW NW N NW NW NW W W W W W W W W NW Wind spd 4 4 4 5 6 8 10 8 4 3 2 2 4 6 9 6 4 5 5 10 Clouds B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC B2 B1 SC SC SC B1 SC PoP 12hr 90 70 40 70 40 QPF 12hr 0.28 0.05 0.02 0.06 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs O O C L L L L C C S S L L C C S S C Tstms S S S S S S S S S Date 05/12 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 44 79 55 76 58 76 59 81 Temp 63 60 49 51 76 71 58 59 73 69 62 60 73 71 62 62 77 74 Dewpt 44 44 42 44 48 51 50 53 56 58 58 58 60 60 58 58 61 60 PWind dir NW SW SW SW S S W W SW Wind char GN LT GN GN GN LT GN LT GN Avg clouds SC FW FW FW SC SC SC B1 B1 B1 B2 B2 B1 B1 B1 B1 SC SC PoP 12hr 30 0 10 20 50 60 70 40 50 Rain shwrs C C S S C C L C L L C S C C Tstms S C C S C C S $$ MDZ014-100800- Annapolis MD 38.99N 76.49W Elev. 7 ft 1040 PM EDT Thu May 9 2024 Date 05/09/24 Fri 05/10/24 Sat 05/11/24 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 57 60 50 64 53 Temp 64 61 59 58 57 57 57 56 54 53 52 53 57 60 62 61 57 55 54 55 Dewpt 56 56 55 55 53 52 51 48 48 47 46 46 44 44 44 45 48 49 49 50 RH 75 84 87 90 86 83 80 74 80 80 80 77 62 55 52 56 72 80 83 83 Wind dir E E E E E E E NE NE NE N N N N SE SE SE S S NW Wind spd 8 6 6 8 10 10 10 8 8 6 6 5 5 6 6 6 6 8 8 10 Clouds OV OV OV OV OV OV OV OV OV B2 B1 B1 B1 B1 B1 B2 B2 B1 B2 B1 PoP 12hr 50 70 50 30 60 QPF 12hr 0.18 0.13 0.07 0.01 0.18 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L L L L C C C C L L C C C Tstms S S S S Date 05/12 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 65 53 73 61 75 63 74 64 76 Temp 62 61 56 56 70 68 62 65 72 69 65 65 71 70 65 66 73 71 Dewpt 50 49 51 51 52 54 56 56 59 59 61 61 63 61 62 62 62 60 PWind dir NW W S S S SE E NE NE Wind char GN LT GN GN GN GN GN GN GN Avg clouds B1 SC FW FW SC SC SC B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 SC PoP 12hr 40 5 5 10 30 60 60 50 40 Rain shwrs C C S C C L L L C C C C Tstms S S C S S $$