Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
948 FOUS51 KLWX 102039 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 438 PM EDT Fri May 10 2024 VAZ054-110800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 438 PM EDT Fri May 10 2024 Date 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 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 50 67 54 68 52 Temp 56 55 54 53 51 52 60 65 66 61 57 55 54 57 62 66 67 63 58 54 52 56 Dewpt 51 50 48 47 45 45 44 43 44 45 48 49 49 50 47 46 46 46 47 47 48 50 RH 83 83 80 80 80 77 55 45 45 56 72 80 83 77 58 48 47 54 67 77 86 80 Wind dir NE NE NE N N N SE S SE S S S SW W NW NW NW N NE S S S Wind spd 12 12 10 8 5 5 4 4 10 8 8 5 5 5 11 12 10 6 4 3 2 4 Clouds B2 OV OV B2 B2 B1 B1 B1 B1 OV B2 B2 B2 B1 B1 B1 B1 FW SC SC SC SC PoP 12hr 40 60 70 40 0 QPF 12hr 0.03 0 0.16 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S L L C C C C C C Date 05/13 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 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 77 62 77 64 76 60 77 60 77 Temp 75 72 64 66 74 69 66 66 73 71 62 62 75 72 62 63 74 72 Dewpt 49 51 52 57 59 60 61 62 60 57 55 53 53 54 55 58 58 59 PWind dir S S S S N N NE SE SE Wind char GN GN GN GN GN GN GN LT GN Avg clouds FW SC SC B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC B1 B2 B2 PoP 12hr 0 20 60 70 50 30 20 30 40 Rain shwrs S C L L C C C C S S S S C C C Tstms C C S S C S $$ MDZ013-110800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 438 PM EDT Fri May 10 2024 Date 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 46 66 51 65 49 Temp 53 51 50 48 47 49 58 64 64 60 55 53 52 54 60 63 64 61 55 51 50 54 Dewpt 51 49 48 46 45 45 44 42 43 45 48 49 49 51 49 48 48 48 49 49 48 51 RH 93 93 93 93 93 86 59 45 46 58 77 86 89 90 67 58 56 62 80 93 93 90 Wind dir NE NE NE N N N E SE SE S S S SW W NW NW NW NE E S S S Wind spd 10 9 8 6 5 4 3 4 6 6 5 6 5 5 9 10 8 5 4 3 3 5 Clouds B2 OV OV B2 B2 B1 B1 SC B1 B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC PoP 12hr 50 50 70 50 5 QPF 12hr 0.04 0 0.16 0.04 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C S L L L L C C C C Date 05/13 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 59 76 62 75 57 76 58 74 Temp 74 70 61 64 74 69 64 64 73 70 60 59 74 71 60 61 72 70 Dewpt 51 53 54 56 59 61 62 62 60 58 55 53 54 56 55 58 58 60 PWind dir S S S S N N NE SE SE Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC FW SC B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC B1 B1 B2 PoP 12hr 0 20 60 70 50 30 20 20 40 Rain shwrs S C L L C C C C S S S S S C C Tstms C C S S S $$ MDZ011-110800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 438 PM EDT Fri May 10 2024 Date 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 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 53 71 56 71 56 Temp 53 53 54 54 54 54 63 69 69 64 61 57 57 59 65 68 70 63 61 57 56 60 Dewpt 49 48 47 46 44 45 42 42 42 43 47 48 49 49 48 46 46 47 48 48 48 50 RH 86 83 77 74 69 71 46 37 37 46 60 72 75 69 54 45 42 56 62 72 74 69 Wind dir NE NE NE N N N SE SE SE S S S S W NW NW N NE E S S S Wind spd 9 8 8 5 4 4 3 5 8 6 5 5 5 5 8 10 8 5 4 2 3 5 Clouds B2 OV OV B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC PoP 12hr 40 50 70 60 5 QPF 12hr 0.02 0 0.18 0.06 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C S L L L L L L C C Date 05/13 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 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 80 65 81 68 81 63 81 63 80 Temp 78 73 66 69 78 70 69 70 80 71 65 65 79 73 65 66 77 73 Dewpt 50 52 53 56 59 60 61 60 58 57 53 52 53 54 54 56 57 57 PWind dir S S S S N N NE SE SE Wind char GN GN GN GN GN GN GN LT GN Avg clouds SC FW SC B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC B1 B1 B2 PoP 12hr 0 20 60 70 50 30 20 20 40 Rain shwrs S C L L C C C C S S S S S C C Tstms C C S S S $$ WVZ052-110800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 438 PM EDT Fri May 10 2024 Date 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 45 64 46 65 44 Temp 55 53 51 48 46 47 56 62 61 56 52 49 48 51 57 62 64 61 52 48 45 50 Dewpt 53 51 49 47 45 45 44 44 45 48 47 46 45 46 44 44 43 44 44 44 43 46 RH 93 93 93 96 96 93 64 52 56 74 83 89 89 83 62 52 46 53 74 86 93 86 Wind dir N N NE N SW S S S S S S SW W W NW NW NW NW W SW S S Wind spd 9 8 4 3 2 2 4 6 8 4 5 5 5 9 12 13 11 6 5 3 3 5 Clouds B2 OV OV B2 B2 B2 B1 B1 OV B2 B2 B2 B1 B1 B2 B1 SC SC FW SC FW FW PoP 12hr 30 60 70 40 0 QPF 12hr 0 0.21 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C S S L L L C C C C C C Tstms S S Date 05/13 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 55 74 58 73 52 74 54 73 Temp 73 70 58 59 70 68 60 60 70 69 56 56 72 70 57 58 70 71 Dewpt 49 50 50 53 57 57 58 57 56 54 51 51 51 53 51 55 57 57 PWind dir S S S S N N NE SE SE Wind char GN GN GN LT GN LT LT LT GN Avg clouds FW SC B1 B2 B2 B2 B2 B2 B2 B1 SC SC FW SC SC B1 B2 B1 PoP 12hr 5 20 70 60 50 30 30 30 50 Rain shwrs S C L L C C C C S S C S C C C Tstms C C S S S S $$ VAZ506-110800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 438 PM EDT Fri May 10 2024 Date 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 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 46 66 49 66 48 Temp 55 53 51 49 47 49 58 64 65 60 55 52 51 54 61 64 66 63 55 51 48 54 Dewpt 50 49 48 47 46 46 46 45 46 50 51 51 49 50 48 46 47 48 48 47 47 49 RH 83 86 89 93 96 89 64 50 50 69 86 96 93 86 62 52 50 58 77 86 96 83 Wind dir NE NE NE N N N S S S SW SE S SW W NW NW NW N W SW N S Wind spd 10 8 5 5 2 2 2 3 6 6 5 4 4 5 11 12 10 5 2 2 0 5 Clouds OV OV OV B2 B2 B2 B1 B1 B2 OV B2 B2 B1 SC B1 B1 SC SC FW SC SC SC PoP 12hr 30 60 70 30 0 QPF 12hr 0 0.15 0.10 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C L L C C C C C C Date 05/13 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 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 76 59 75 61 73 56 76 57 75 Temp 74 72 61 63 73 69 63 63 71 70 59 59 74 71 59 61 73 72 Dewpt 51 52 52 56 59 61 62 62 61 59 55 53 54 56 55 58 60 60 PWind dir S S S S N N NE SE SE Wind char GN GN GN GN GN GN GN GN GN Avg clouds FW SC SC B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC B1 B2 B2 PoP 12hr 5 20 60 70 60 30 20 30 40 Rain shwrs S C L L C C L C S S S S C C C Tstms C C S C C S $$ VAZ037-110800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 438 PM EDT Fri May 10 2024 Date 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 50 70 49 72 49 Temp 61 59 56 53 51 53 63 68 68 61 57 52 51 55 65 70 72 66 58 52 50 55 Dewpt 54 51 49 47 45 44 44 42 44 48 48 46 44 45 41 40 40 41 42 42 41 44 RH 78 75 77 80 80 71 50 39 42 62 72 80 77 69 41 33 31 40 55 69 71 66 Wind dir N N NE NE N NE S S S SW SW W W W NW NW NW N NW W W SW Wind spd 11 10 6 4 3 2 3 4 6 4 3 4 3 5 11 11 10 6 3 2 2 4 Clouds B1 B1 B1 B1 B1 B1 SC B1 B2 B1 B1 SC SC FW SC SC FW FW FW FW FW FW PoP 12hr 20 40 40 10 0 QPF 12hr 0 0.15 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C C Tstms S Date 05/13 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 60 76 63 77 59 80 60 77 Temp 77 73 62 64 72 69 65 65 75 72 61 62 78 73 62 63 74 73 Dewpt 46 49 50 54 57 58 58 59 58 56 53 52 53 54 54 55 58 58 PWind dir S S S SW N N E SE S Wind char GN LT GN LT GN LT LT LT GN Avg clouds FW SC B1 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC B1 B2 B2 PoP 12hr 5 30 70 70 60 30 30 30 50 Rain shwrs C C L L C C L C S C C C C C Tstms C C S C C S S $$ MDZ003-110800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 438 PM EDT Fri May 10 2024 Date 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 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 45 64 48 64 47 Temp 54 52 50 48 46 47 56 62 62 57 53 50 50 52 58 62 64 61 53 49 48 52 Dewpt 50 49 48 47 45 46 46 46 46 49 49 48 48 49 48 47 47 48 46 46 45 48 RH 86 89 93 96 96 96 69 56 56 75 86 93 93 89 69 58 54 62 77 89 89 86 Wind dir NE NE NE N E S S S S S S S SW W NW NW NW NW W SW S S Wind spd 9 8 5 3 2 2 4 6 9 6 8 5 5 9 12 11 10 6 4 3 3 6 Clouds OV OV B2 B2 B2 B2 B1 B2 OV B2 OV B2 B1 B2 B2 B2 B1 SC SC SC SC SC PoP 12hr 30 70 70 50 5 QPF 12hr 0 0.23 0.06 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C S L L L C C C C C C Tstms S S Date 05/13 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 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 75 57 74 59 73 54 75 56 73 Temp 73 70 59 61 71 67 61 61 71 68 56 57 73 69 58 59 71 70 Dewpt 52 52 51 55 59 59 59 59 58 55 52 51 53 55 53 56 58 59 PWind dir S S S SE N N N SE SE Wind char GN GN GN GN GN GN GN LT GN Avg clouds FW SC B1 B2 B2 B2 B2 B2 B2 B1 SC SC FW SC SC B1 B2 B2 PoP 12hr 5 20 70 60 50 30 20 30 50 Rain shwrs S C L L C C C C S S S S C C C Tstms C C S S S S $$ MDZ017-110800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 438 PM EDT Fri May 10 2024 Date 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 51 66 54 69 54 Temp 59 57 55 53 52 53 60 64 64 60 57 56 55 58 65 67 68 63 57 56 54 59 Dewpt 54 51 49 47 45 45 44 43 43 46 49 50 51 52 50 49 48 50 50 50 50 52 RH 83 80 80 80 77 74 55 46 46 60 75 80 86 80 58 52 49 62 77 80 86 78 Wind dir NE NE NE NE NE NE NE E SE SE SE S SW W NW NW NW N NE E S S Wind spd 12 14 12 11 10 9 5 4 6 10 9 8 6 6 10 10 10 6 5 4 4 6 Clouds OV OV OV OV B2 B1 B1 SC SC B2 B2 B2 B2 B1 B1 B1 SC FW FW FW FW FW PoP 12hr 30 40 60 40 0 QPF 12hr 0 0 0.16 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L L C C C C C C Coast Flood Y Y Y Y Y Date 05/13 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 62 76 64 76 60 76 61 75 Temp 73 69 64 67 74 69 66 66 74 70 63 62 74 69 62 64 73 71 Dewpt 53 55 55 58 61 62 62 63 63 61 57 56 55 55 56 59 60 61 PWind dir S S S S NW N NE SE SE Wind char GN BZ GN GN GN GN GN GN GN Avg clouds FW FW SC B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC B1 B1 B2 PoP 12hr 0 10 50 70 50 30 20 20 40 Rain shwrs C C L L C C C S S S S C C Tstms S C C S S C $$ WVZ502-110800- Petersburg WV 38.99N 79.15W Elev. 963 ft 438 PM EDT Fri May 10 2024 Date 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon 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 44 68 46 66 44 Temp 57 54 51 48 45 47 59 66 63 57 52 49 48 49 57 64 66 61 52 47 45 50 Dewpt 48 47 46 45 43 44 43 42 47 48 47 45 43 43 43 43 43 43 43 42 41 44 RH 72 77 83 89 93 89 55 42 56 72 83 86 83 80 59 46 43 51 71 83 86 80 Wind dir NW N N N W SW S SW W SW S SW W W NW NW NW NW W SW SW SW Wind spd 12 8 4 2 2 2 4 5 10 5 5 5 6 9 11 11 10 6 3 2 2 5 Clouds B2 B1 B1 B1 B1 B1 SC B2 B2 B1 B1 SC B1 B1 B1 B1 SC FW FW FW CL CL PoP 12hr 10 80 40 20 0 QPF 12hr 0 0.06 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D C C S S S S Tstms S S Date 05/13 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 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 80 56 76 57 73 52 79 56 75 Temp 77 73 59 60 72 68 60 59 71 69 56 55 76 72 59 59 73 71 Dewpt 48 51 50 53 58 59 58 57 60 57 52 52 54 56 55 56 60 60 PWind dir SW S S SW N NW E S S Wind char GN GN GN LT GN LT LT LT GN Avg clouds FW SC B1 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC B1 B1 B1 PoP 12hr 5 30 70 60 60 30 30 40 50 Rain shwrs C C L L C L L C S S C C C C C Tstms S C C S S C C S $$ MDZ014-110800- Annapolis MD 38.99N 76.49W Elev. 7 ft 438 PM EDT Fri May 10 2024 Date 05/10/24 Sat 05/11/24 Sun 05/12/24 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 50 65 53 66 53 Temp 53 53 52 51 50 52 58 62 63 61 57 55 55 57 61 62 65 62 57 55 54 57 Dewpt 50 49 48 47 45 46 44 44 44 45 49 50 50 51 49 49 48 48 50 50 50 51 RH 89 86 86 86 83 80 59 52 50 56 75 83 83 80 65 62 54 60 77 83 86 80 Wind dir NE NE NE NE NE N E SE SE S S S SW W NW NW N NE E S S S Wind spd 11 11 10 8 6 5 4 5 8 8 8 8 6 5 9 10 9 6 5 3 4 5 Clouds OV OV OV B2 B2 B1 B1 SC SC B2 B2 B2 B2 B1 B2 B2 B1 SC FW SC SC SC PoP 12hr 40 50 60 50 0 QPF 12hr 0.06 0 0.14 0.04 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L L L L C C C C Date 05/13 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 62 75 64 74 60 75 61 74 Temp 71 69 64 66 72 69 66 66 72 70 62 62 72 70 62 63 71 70 Dewpt 54 55 56 58 62 61 63 62 62 59 57 54 55 56 57 58 60 60 PWind dir S S S S N N NE SE SE Wind char GN GN GN GN GN GN GN GN GN Avg clouds FW FW SC B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC B1 B1 B2 PoP 12hr 0 10 60 70 50 30 20 20 40 Rain shwrs C L L C C C C S S S S S C C Tstms S C C S S $$