Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
031 FOUS51 KLWX 162039 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 439 PM EDT Fri May 16 2025 VAZ054-170800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 439 PM EDT Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 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 71 88 65 79 61 Temp 86 79 74 72 72 72 80 85 86 80 74 69 67 68 73 77 78 73 69 65 62 63 Dewpt 70 67 67 66 66 64 64 62 59 56 56 54 52 52 51 51 52 51 52 52 50 51 RH 59 67 79 81 81 76 58 46 40 44 53 59 59 57 46 40 40 46 55 63 65 65 Wind dir SW SW S S SW SW W SW SW W NW NW W W W W NW NW NW NW NW NW Wind spd 9 9 6 6 8 12 14 17 18 14 13 12 12 14 17 19 19 13 11 10 10 11 Wind gust 27 28 27 31 32 Clouds SC SC SC SC B2 B2 FW FW FW FW FW FW FW FW FW SC FW FW CL CL CL FW PoP 12hr 50 10 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C Tstms C C S C Heat index 91 82 86 80 Max heat 91 86 85 Svr Tstorm A A Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 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 79 57 74 59 70 60 70 57 71 Temp 77 72 61 59 72 68 59 59 68 67 61 62 69 64 58 60 68 65 Dewpt 51 50 48 45 46 48 50 52 54 55 54 53 52 49 49 49 47 48 PWind dir NW N N E E NE NW NW NW Wind char GN GN LT GN GN GN GN GN GN Avg clouds FW SC SC FW SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 SC SC B1 PoP 12hr 5 5 10 60 80 70 50 40 30 Rain shwrs C L L D L C C C C S S C Tstms C $$ MDZ013-170800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 439 PM EDT Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 86 61 78 58 Temp 85 76 72 69 69 70 79 84 84 78 71 65 62 65 71 75 77 72 66 62 59 60 Dewpt 71 70 67 67 66 66 65 62 59 58 56 54 52 52 52 52 52 53 53 52 50 51 RH 63 82 84 93 90 87 62 48 43 50 59 68 70 63 51 45 42 51 63 70 72 72 Wind dir W S S SW SW SW W W W W W W W W W W W NW NW NW NW NW Wind spd 5 5 3 2 3 6 10 12 11 9 8 5 6 10 13 14 14 10 8 6 6 9 Wind gust 25 Clouds B1 SC SC B1 B2 B1 CL FW FW FW FW FW FW FW SC SC FW FW FW FW FW FW PoP 12hr 50 10 0 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms C C S Heat index 90 85 84 Max heat 94 85 85 Svr Tstorm A A Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 53 73 54 67 55 67 52 68 Temp 76 72 58 55 71 67 55 55 64 63 56 58 67 63 53 54 67 63 Dewpt 51 51 47 43 44 46 49 50 53 54 54 54 52 50 48 49 48 49 PWind dir NW N N E E NE N NW NW Wind char GN LT LT LT GN LT GN LT GN Avg clouds FW SC SC FW SC SC B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 SC B1 PoP 12hr 0 5 10 50 80 80 60 40 30 Rain shwrs C C L D D C C L C C C C Tstms C $$ MDZ011-170800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 439 PM EDT Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 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 71 89 65 81 61 Temp 88 77 76 72 72 75 82 87 88 79 75 69 67 69 73 77 80 73 69 65 62 64 Dewpt 68 67 67 65 65 64 62 58 56 55 54 53 51 50 49 49 50 49 51 50 49 49 RH 52 71 74 79 79 69 51 38 34 44 48 57 56 51 43 37 35 43 53 58 62 58 Wind dir SW SW S SW SW SW W W W W W W W W W W W NW NW NW NW NW Wind spd 5 4 2 2 2 5 10 11 11 10 6 5 5 9 13 14 14 10 6 5 6 8 Clouds B1 SC B1 B1 B2 B2 FW FW FW FW FW FW FW FW SC SC FW FW FW FW FW CL PoP 12hr 50 10 0 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms C C S Heat index 92 83 80 Max heat 92 86 87 80 Svr Tstorm A A Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 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 57 75 59 71 60 72 58 73 Temp 78 71 62 60 72 67 61 60 68 63 61 62 70 65 59 61 70 65 Dewpt 48 48 45 41 42 44 48 49 51 51 53 51 50 49 48 48 46 47 PWind dir NW N N E E NE N NW NW Wind char GN LT LT LT GN LT GN LT GN Avg clouds FW SC SC FW SC SC B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 0 5 10 50 70 80 60 40 30 Rain shwrs C C L L D C C L C C C C Tstms C $$ WVZ052-170800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 439 PM EDT Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 84 57 75 53 Temp 85 75 69 67 66 68 77 82 81 74 66 62 59 63 68 72 73 69 63 59 56 58 Dewpt 65 63 62 61 60 60 59 55 54 53 51 50 48 50 49 51 50 49 49 49 47 49 RH 51 66 78 81 81 76 54 40 39 48 58 65 67 62 51 48 44 49 60 69 72 72 Wind dir W SW S S SW SW W W W W W W W W W W NW NW NW NW NW NW Wind spd 11 5 3 3 5 9 12 14 14 10 8 6 8 10 13 16 16 10 9 8 8 10 Wind gust 21 26 27 25 27 27 Clouds B1 B1 SC B1 B2 B1 FW FW FW SC SC SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 60 10 5 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D C Tstms C S Heat index 87 81 Max heat 88 81 81 Svr Tstorm A A Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 50 69 52 65 53 65 51 67 Temp 73 68 54 54 67 64 56 55 64 62 55 55 63 60 52 53 65 62 Dewpt 48 48 45 43 44 47 48 49 51 51 52 51 49 46 46 46 46 46 PWind dir NW N N E E NE NW NW NW Wind char GN LT LT LT GN LT GN LT GN Avg clouds FW SC SC FW SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 SC SC B1 PoP 12hr 5 5 20 60 80 70 60 40 40 Rain shwrs S C L L D L C C L C S C C Tstms S C $$ VAZ506-170800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 439 PM EDT Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 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 66 86 60 77 56 Temp 85 76 71 70 68 69 80 84 84 77 70 64 62 64 71 74 76 71 65 61 58 58 Dewpt 71 69 67 67 66 65 66 62 60 58 56 55 52 54 53 54 55 54 54 52 51 53 RH 63 79 87 90 93 87 62 48 44 52 61 73 70 70 53 50 48 55 68 72 77 83 Wind dir W SW S S SW SW W W W W NW W W W W W NW NW NW NW NW NW Wind spd 9 5 4 4 5 9 11 13 13 10 8 6 6 10 13 14 14 10 8 6 8 10 Wind gust 24 24 26 26 Clouds B1 B1 SC B1 B2 B2 CL FW FW FW FW SC FW FW SC SC FW FW FW CL FW FW PoP 12hr 50 10 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L S C Tstms C S C Heat index 90 82 85 84 Max heat 92 85 85 Svr Tstorm A A Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 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 52 70 54 66 54 65 51 67 Temp 74 69 58 55 69 66 55 55 63 62 57 55 63 59 52 53 64 62 Dewpt 53 53 49 46 48 50 50 53 56 56 55 54 53 50 48 49 50 51 PWind dir NW N N E E NE NW NW NW Wind char GN LT LT LT GN LT GN LT GN Avg clouds FW SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1 SC B1 SC PoP 12hr 5 5 10 60 80 70 60 40 30 Rain shwrs C L L D L C C L C S S C Tstms C $$ VAZ037-170800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 439 PM EDT Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 87 60 81 55 Temp 83 75 71 69 67 69 78 83 84 78 71 66 63 65 72 77 78 73 66 60 58 60 Dewpt 64 63 62 62 61 61 61 56 53 53 51 51 49 52 50 50 50 50 50 50 50 52 RH 53 66 73 78 81 76 56 40 34 42 49 58 60 63 46 39 37 44 56 69 75 75 Wind dir SW SW S SW SW SW W SW W W W W W W W W W NW NW W NW NW Wind spd 9 8 5 5 6 9 11 12 13 10 8 5 5 6 10 11 11 6 5 4 3 2 Wind gust 19 21 25 25 21 Clouds B1 B1 B1 B2 OV B2 CL CL FW FW FW SC SC SC SC FW FW FW CL FW FW FW PoP 12hr 50 10 0 0 0 QPF 12hr 0.04 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms C C S Heat index 84 Max heat 88 82 83 Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 55 72 57 70 55 67 50 70 Temp 78 72 58 56 70 68 59 58 68 66 58 56 65 61 51 54 68 64 Dewpt 51 53 50 49 50 52 51 53 56 55 53 52 48 45 45 46 45 47 PWind dir NW N E NE E N NW NW NW Wind char LT LT LT LT LT LT GN LT LT Avg clouds FW SC SC SC SC B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 10 5 30 60 80 60 50 30 30 Rain shwrs C L L C D L C C C C S C Tstms C C S C $$ MDZ003-170800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 439 PM EDT Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 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 64 82 56 74 52 Temp 85 75 69 67 66 68 77 81 79 72 65 60 58 61 68 71 73 68 61 58 54 57 Dewpt 68 67 65 64 63 62 63 58 57 56 53 51 49 50 52 52 52 52 51 49 48 49 RH 57 76 87 90 90 81 62 46 47 57 65 72 72 67 57 51 48 57 70 72 80 75 Wind dir SW SW S S S SW W W W W W W W W W W W NW NW NW NW NW Wind spd 9 5 4 3 5 9 12 13 14 10 8 6 8 10 13 14 16 10 9 6 6 9 Wind gust 19 23 26 27 21 20 25 27 28 20 Clouds B1 SC SC B1 OV B1 FW FW SC SC SC SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 60 20 5 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D C S Tstms L S Heat index 88 81 Max heat 90 81 81 Svr Tstorm A A Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 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 49 68 51 64 52 64 49 66 Temp 72 68 54 53 67 63 52 53 62 62 55 54 63 60 51 52 63 62 Dewpt 51 49 45 43 45 47 48 50 53 53 52 51 51 48 46 47 48 48 PWind dir NW N N E E NE NW NW NW Wind char GN LT LT LT GN LT GN LT GN Avg clouds FW SC SC FW SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 0 5 20 60 80 80 60 40 40 Rain shwrs S C L L D D C C L C C C C Tstms S $$ MDZ017-170800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 439 PM EDT Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 89 65 82 62 Temp 83 76 72 71 70 72 80 85 86 79 73 69 67 69 76 79 80 74 69 67 64 65 Dewpt 69 68 67 66 66 67 66 65 62 60 58 57 55 55 54 55 55 56 55 55 53 54 RH 63 76 84 84 87 84 62 51 45 52 59 66 65 61 46 44 42 53 61 65 67 68 Wind dir SW SW SW SW SW SW SW W W W W NW NW W W W W NW NW NW NW NW Wind spd 6 5 5 5 6 9 11 13 13 9 8 8 8 9 12 14 13 9 8 8 8 9 Clouds SC SC SC B1 B1 B1 SC CL FW FW FW FW FW FW FW SC SC FW CL CL CL CL PoP 12hr 50 10 0 0 0 QPF 12hr 0.03 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C Tstms C C C C C Heat index 87 82 87 86 80 Max heat 87 87 87 80 Svr Tstorm A A Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 58 75 59 73 59 71 55 72 Temp 79 73 62 59 75 67 61 62 72 66 61 61 70 64 56 59 70 65 Dewpt 55 56 52 48 47 49 53 55 56 58 58 57 55 53 51 51 50 52 PWind dir NW N N E E NE N NW NW Wind char GN LT LT LT GN GN GN GN GN Avg clouds FW SC SC FW FW SC B1 B1 B1 B2 B2 B2 B1 B1 B1 SC SC B1 PoP 12hr 5 5 10 50 80 70 50 40 20 Rain shwrs C C L D L C C C C S S S Tstms S S C $$ WVZ502-170800- Petersburg WV 38.99N 79.15W Elev. 963 ft 439 PM EDT Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 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 61 84 54 76 51 Temp 82 73 68 66 64 65 75 81 80 71 63 59 57 58 66 73 74 68 61 57 54 55 Dewpt 64 62 61 62 59 59 56 53 53 54 52 49 48 49 49 51 50 51 51 50 49 50 RH 55 68 78 87 84 81 52 38 39 55 67 69 72 72 54 46 43 54 70 77 83 83 Wind dir W E E SE E S W W W W W W W W W W W NW NW NW W NW Wind spd 8 5 5 5 6 9 12 18 17 10 8 6 6 8 12 14 14 6 4 2 2 2 Wind gust 25 19 25 31 29 21 18 17 19 24 27 25 17 Clouds B2 B1 B1 B2 OV SC FW FW FW SC SC FW SC SC SC SC SC FW FW FW SC SC PoP 12hr 70 10 10 0 0 QPF 12hr 0.02 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms C C S Heat index 83 80 Max heat 84 80 80 Svr Tstorm A A Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 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 48 73 50 69 50 64 45 66 Temp 76 68 52 50 72 67 53 52 67 64 54 51 61 56 48 47 64 60 Dewpt 50 51 49 46 50 52 51 52 56 55 52 49 48 45 44 44 46 47 PWind dir NW N E E E NW NW NW W Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B2 B1 B1 SC PoP 12hr 10 5 40 60 90 70 60 40 40 Rain shwrs S C L L L D L C C L C S C C Tstms C S S C $$ MDZ014-170800- Annapolis MD 38.99N 76.49W Elev. 7 ft 439 PM EDT Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 84 63 76 60 Temp 80 75 72 70 69 71 77 81 82 78 71 67 65 66 70 74 75 72 67 63 62 61 Dewpt 69 68 67 66 66 65 64 62 60 58 58 56 53 52 52 52 53 52 54 52 52 51 RH 69 79 84 87 90 81 64 53 47 50 63 68 65 61 53 46 46 49 63 67 70 70 Wind dir S S SW SW SW SW W W SW W NW NW W W W W W NW NW NW NW NW Wind spd 4 5 4 3 5 8 10 11 11 9 9 8 8 10 13 14 14 11 9 8 8 9 Clouds SC SC SC B1 B2 B2 FW FW FW SC FW FW FW FW FW SC FW FW CL CL CL FW PoP 12hr 50 10 0 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S C Tstms C C S S C Heat index 83 82 82 Max heat 84 82 82 Svr Tstorm A A Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 57 70 57 67 58 67 56 68 Temp 74 71 60 58 67 67 57 57 64 65 59 59 67 65 56 58 67 65 Dewpt 51 51 49 46 45 47 52 52 54 54 56 54 53 51 50 50 48 49 PWind dir NW N N E E NE N NW NW Wind char GN LT LT LT GN GN GN GN GN Avg clouds FW SC SC FW SC SC B1 B1 B1 B2 B2 B2 B2 B1 B1 SC SC B1 PoP 12hr 0 5 5 50 70 70 50 40 30 Rain shwrs C C L L L C C C C C C C Tstms C $$