Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
724 FOUS51 KLWX 101440 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1040 AM EDT Fri May 10 2024 VAZ054-102000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1040 AM EDT Fri May 10 2024 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 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 63 50 67 54 68 Temp 60 60 57 56 54 52 51 53 59 64 65 61 57 55 54 57 62 65 66 62 Dewpt 54 52 49 47 47 46 45 45 44 43 44 45 48 49 49 50 47 46 46 46 RH 81 75 75 72 77 80 80 74 57 46 46 56 72 80 83 77 58 50 48 56 Wind dir NE E NE NE NE N N N N S S S SE S S W NW NW NW N Wind spd 12 13 17 16 13 11 8 8 5 5 10 8 5 6 4 5 9 10 9 6 Clouds OV OV OV OV OV B2 SC B1 B1 SC SC B2 B1 B1 SC SC B1 B1 B1 FW PoP 12hr 60 40 30 60 20 QPF 12hr 0.03 0.05 0.02 0.06 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C C C C C C L L C C S S S S Tstms S S Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 76 62 76 64 75 62 78 Temp 54 56 74 71 63 66 73 68 66 66 72 71 64 63 76 74 Dewpt 47 50 49 51 53 56 59 59 61 61 61 59 58 58 58 58 PWind dir SW S S S SE N N NE Wind char LT GN GN BZ GN GN GN GN Avg clouds SC FW SC SC SC B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC PoP 12hr 0 0 20 60 70 50 30 20 Rain shwrs S C L L C C C C S S Tstms C C S S C $$ MDZ013-102000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1040 AM EDT Fri May 10 2024 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 58 46 66 51 65 Temp 56 56 54 53 51 49 47 50 58 63 64 60 55 53 52 54 60 63 63 60 Dewpt 53 52 50 48 47 45 44 45 44 42 43 45 48 49 49 51 49 48 48 48 RH 90 86 86 83 86 86 89 83 59 46 46 58 77 86 89 90 67 58 58 64 Wind dir E E NE NE NE N N N NE S SE S S S S W NW NW NW NE Wind spd 10 11 10 8 8 5 5 4 2 3 5 6 6 6 5 5 6 9 6 5 Wind gust 21 Clouds OV OV OV OV OV B1 B1 B1 B1 SC SC B2 B1 B2 B1 SC B1 B1 SC FW PoP 12hr 70 40 30 60 30 QPF 12hr 0.10 0.06 0.02 0.06 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L L C S C C L L C C C C S C Tstms S S Coast Flood Y Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 49 75 60 75 62 72 59 77 Temp 52 54 74 70 62 64 73 68 63 64 71 68 61 61 76 72 Dewpt 49 50 51 53 55 57 60 61 62 62 61 61 58 58 59 59 PWind dir S S S S SE NE N NE Wind char LT GN GN BZ GN GN GN GN Avg clouds FW SC SC SC SC B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 5 0 20 60 70 50 30 20 Rain shwrs S C L L C C C C S S Tstms C C S S S $$ MDZ011-102000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1040 AM EDT Fri May 10 2024 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 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 62 52 71 56 71 Temp 59 59 57 56 57 53 53 55 64 68 68 62 60 57 57 59 65 67 68 62 Dewpt 50 50 49 47 46 44 44 45 42 42 42 43 47 48 49 49 48 46 46 47 RH 72 72 75 72 67 71 71 69 45 39 39 50 62 72 75 69 54 47 45 58 Wind dir E E NE NE NE N N N NE SE SE S S S S SW NW NW N NE Wind spd 11 10 10 8 8 5 4 4 3 4 6 6 6 6 5 5 5 8 6 5 Wind gust 21 21 Clouds OV OV OV OV OV B1 B1 B1 B1 SC B1 B1 B2 B2 B1 B1 B1 B1 SC FW PoP 12hr 70 40 30 60 30 QPF 12hr 0.12 0.05 0.03 0.08 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L L C C C L L C C C C S C Tstms S S Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 56 79 65 80 66 78 65 82 Temp 57 59 77 72 66 69 77 69 67 67 77 70 66 67 80 74 Dewpt 48 49 49 51 54 55 58 59 61 60 59 58 57 56 57 57 PWind dir S S S S SE NE N E Wind char LT GN GN BZ GN GN GN GN Avg clouds FW SC SC SC SC B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 5 0 20 60 70 50 30 20 Rain shwrs S C L L C C C C S S Tstms C C S S S $$ WVZ052-102000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1040 AM EDT Fri May 10 2024 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 59 44 64 46 65 Temp 57 56 54 54 50 48 46 48 55 61 60 56 52 50 48 51 57 61 63 60 Dewpt 52 51 48 46 45 44 44 45 44 44 45 48 47 46 45 46 44 44 43 44 RH 83 83 80 74 83 86 93 89 66 53 58 74 83 86 89 83 62 53 48 55 Wind dir NE NE N N N N NW SW S S S S S S SW W NW NW NW NW Wind spd 6 9 10 10 6 4 2 2 3 5 5 5 5 5 4 6 10 11 9 6 Clouds OV OV OV B2 B2 B2 B1 B1 B1 SC B2 B1 B1 B1 SC SC B1 B1 SC FW PoP 12hr 70 30 80 60 20 QPF 12hr 0.20 0.02 0.13 0.06 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L C D D L L C C S S S S Tstms S C S S Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 44 74 55 73 57 72 56 75 Temp 49 50 71 69 58 59 69 67 59 59 69 69 59 59 73 72 Dewpt 44 45 48 50 50 53 57 57 57 58 58 57 55 55 55 57 PWind dir W S S S E N N NE Wind char LT GN GN GN GN GN GN GN Avg clouds FW FW FW SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 0 5 30 70 60 50 30 30 Rain shwrs C C L L C C C C S C Tstms C C S S S $$ VAZ506-102000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1040 AM EDT Fri May 10 2024 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 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 61 46 66 49 66 Temp 60 59 57 55 52 50 47 50 59 63 65 59 55 53 51 54 61 64 65 62 Dewpt 55 52 51 49 48 47 46 46 46 45 46 50 51 51 49 50 48 46 47 48 RH 84 78 80 80 86 89 96 86 62 52 50 72 86 93 93 86 62 52 52 60 Wind dir E E N N N N N N NW S S S S S SW W NW NW NW N Wind spd 5 9 10 9 5 4 3 2 2 3 5 4 5 5 3 5 9 10 9 5 Wind gust 19 Clouds OV OV OV OV B2 B2 B1 B1 B1 SC SC B2 B1 B1 SC FW B1 B1 SC FW PoP 12hr 60 30 50 70 20 QPF 12hr 0.06 0.03 0.07 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C C C C L L C C S S S S Tstms S S S S Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 76 59 75 61 73 59 77 Temp 52 54 74 72 61 63 73 69 63 63 71 71 62 62 76 73 Dewpt 47 50 50 52 53 56 59 61 62 62 62 61 58 59 59 60 PWind dir W S S S SE N N NE Wind char LT GN GN BZ GN GN GN GN Avg clouds FW FW FW SC SC B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 0 5 30 60 70 50 30 20 Rain shwrs C C L L C C C C S S Tstms C C S C C $$ VAZ037-102000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1040 AM EDT Fri May 10 2024 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 49 70 49 72 Temp 70 71 69 63 57 53 52 54 62 67 68 60 57 53 51 55 65 69 71 65 Dewpt 53 51 49 45 45 44 44 44 44 42 44 48 48 46 44 45 41 40 40 41 RH 55 49 49 52 64 71 74 69 52 40 42 64 72 77 77 69 41 35 32 41 Wind dir NW NW N N N N N NE SE S S SE SW W W W NW NW NW N Wind spd 10 10 12 12 8 5 4 3 3 5 6 4 3 3 3 4 10 9 9 5 Wind gust 20 Clouds SC B1 B1 FW B1 B1 B1 B1 FW SC B2 B1 SC SC FW FW FW SC FW FW PoP 12hr 40 20 60 40 10 QPF 12hr 0.02 0.01 0.07 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S L L C C Tstms S S S S Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 49 78 60 75 62 77 61 81 Temp 53 55 75 72 62 64 71 68 64 65 74 73 63 64 79 75 Dewpt 42 44 47 48 51 54 58 58 59 59 59 58 56 57 58 58 PWind dir NW S S S SE N N E Wind char LT GN GN GN LT GN LT GN Avg clouds FW FW FW SC B1 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC PoP 12hr 0 5 30 70 70 60 30 30 Rain shwrs C C L L C C L C S C Tstms C C S C C $$ MDZ003-102000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1040 AM EDT Fri May 10 2024 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 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 57 45 64 48 64 Temp 56 56 53 53 50 49 47 49 56 62 62 57 53 51 50 52 58 61 63 60 Dewpt 52 50 49 47 46 46 45 46 46 46 46 49 49 48 48 49 48 47 47 48 RH 86 80 86 80 86 89 93 89 69 56 56 75 86 89 93 89 69 60 56 64 Wind dir E NE NE N NE N NE S S S S S S S SW W NW NW NW NW Wind spd 9 10 10 10 6 4 2 2 3 5 8 5 6 6 5 6 9 10 9 6 Wind gust 20 Clouds OV OV OV B2 B2 B2 B2 B2 B1 B1 B1 B2 B2 B1 SC B1 B1 B1 SC FW PoP 12hr 90 30 80 70 30 QPF 12hr 0.17 0.02 0.12 0.08 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D L C D D L L C C C C S S Tstms S C S S Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 74 56 73 59 72 57 76 Temp 50 51 72 69 58 60 70 66 61 61 71 68 58 60 74 71 Dewpt 46 48 51 53 52 55 59 59 59 60 59 59 56 56 58 59 PWind dir SW S S S E NE N E Wind char LT GN GN GN GN GN GN GN Avg clouds FW SC SC SC B1 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC PoP 12hr 5 5 30 60 60 50 30 20 Rain shwrs C C L L C C C C S S Tstms C C S S S $$ MDZ017-102000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1040 AM EDT Fri May 10 2024 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 66 51 66 54 69 Temp 65 63 60 57 55 53 52 54 59 63 64 60 58 56 55 58 65 67 67 62 Dewpt 57 55 52 50 48 47 44 45 44 43 43 46 49 50 51 52 50 49 48 50 RH 75 75 75 77 77 80 74 71 57 48 46 60 72 80 86 80 58 52 50 65 Wind dir NE E NE NE NE NE N N N N SE SE SE S S W NW NW N N Wind spd 9 10 11 13 10 10 9 8 6 5 6 9 10 9 9 8 8 11 9 6 Wind gust 20 Clouds OV OV OV OV OV OV B1 B1 B1 B1 FW SC B1 B1 SC SC B1 B1 SC FW PoP 12hr 40 30 20 40 30 QPF 12hr 0.08 0.01 0 0.04 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S S S C C C C S S S C Tstms S Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 74 62 76 64 75 62 77 Temp 56 58 72 69 64 67 74 69 66 66 73 70 65 64 75 71 Dewpt 50 52 53 55 55 58 61 62 62 62 63 61 59 59 60 59 PWind dir SE S S S S NE N NE Wind char LT GN BZ BZ GN GN GN GN Avg clouds FW FW FW SC SC B1 B2 B2 B2 B2 B2 B2 B1 B1 SC SC PoP 12hr 0 0 20 50 70 50 30 20 Rain shwrs S C C L L C C C S S Tstms S C C S S C $$ WVZ502-102000- Petersburg WV 38.99N 79.15W Elev. 963 ft 1040 AM EDT Fri May 10 2024 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 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 64 44 68 46 66 Temp 59 61 60 57 51 48 45 48 59 65 61 57 52 50 48 49 57 63 65 60 Dewpt 52 50 49 45 46 44 43 44 43 42 47 48 47 45 43 43 43 43 43 43 RH 78 67 67 64 83 86 93 86 55 43 60 72 83 83 83 80 59 48 45 53 Wind dir NW NW NW N S N SW SW S W W SW SW W W W NW NW NW NW Wind spd 9 10 11 9 5 3 2 2 4 6 8 5 4 4 5 6 10 10 9 8 Clouds B2 B2 B2 B1 B1 B1 B1 B1 SC B1 B1 SC B1 SC B1 FW B1 B1 FW FW PoP 12hr 40 20 90 50 10 QPF 12hr 0.03 0.01 0.11 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S S S D D C C Tstms S S S Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 79 56 76 57 74 55 80 Temp 48 50 76 72 59 60 72 68 60 60 71 70 59 58 77 73 Dewpt 42 44 47 50 51 54 58 59 58 58 60 59 56 57 59 60 PWind dir W SW S S SE N NW E Wind char LT GN GN GN LT GN LT GN Avg clouds FW FW FW SC B1 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC PoP 12hr 0 5 30 70 60 60 30 30 Rain shwrs C C L L C L L C S S C Tstms S C C S S C C $$ MDZ014-102000- Annapolis MD 38.99N 76.49W Elev. 7 ft 1040 AM EDT Fri May 10 2024 Date Fri 05/10/24 Sat 05/11/24 Sun 05/12/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 59 50 65 53 66 Temp 57 55 53 55 54 52 52 54 57 61 63 61 57 55 55 57 61 61 63 61 Dewpt 53 52 51 49 48 47 46 46 44 44 44 45 49 50 50 51 49 49 48 48 RH 86 90 93 80 80 83 80 74 62 53 50 56 75 83 83 80 65 65 58 62 Wind dir E E NE NE NE NE N N NE E SE S S S S SW NW NW N NE Wind spd 11 10 11 10 10 8 6 5 5 6 8 8 9 9 6 5 8 9 9 5 Wind gust 20 Clouds OV OV OV OV OV B2 B1 B1 B1 FW FW B1 B1 B2 B1 SC B1 B1 SC FW PoP 12hr 60 50 20 50 30 QPF 12hr 0.06 0.06 0 0.06 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C L C C S S C C C C C C S C Tstms S S Coast Flood Y Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 53 73 63 75 63 73 62 76 Temp 55 57 70 69 64 67 72 69 65 65 71 70 64 64 73 71 Dewpt 50 51 53 54 57 58 61 61 62 62 62 61 59 59 60 59 PWind dir SE S S S S NE N NE Wind char LT GN GN BZ GN GN GN GN Avg clouds FW FW SC SC SC B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC PoP 12hr 0 0 20 60 70 50 30 20 Rain shwrs S C L L C C C C S S Tstms S C C S S $$