Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
897 FOUS51 KLWX 101139 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 639 AM EST Fri Jan 10 2025 VAZ054-102100- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 639 AM EST Fri Jan 10 2025 Date Fri 01/10/25 Sat 01/11/25 Sun 01/12/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 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 33 28 36 26 39 Temp 23 26 31 32 30 29 30 30 29 32 36 36 32 31 29 27 27 33 37 37 32 Dewpt 8 13 16 18 19 21 24 25 25 26 25 24 21 20 20 19 19 21 23 23 21 RH 52 57 53 56 63 72 78 81 85 78 64 61 63 63 69 71 71 61 56 56 63 Wind dir NW NW NW SW S S S S SW NW NW NW NW NW NW NW NW NW NW SW S Wind spd 11 11 9 6 4 4 5 4 3 10 17 16 13 14 12 11 9 8 6 5 4 Wind gust 26 24 25 Clouds SC B1 B2 B2 OV OV OV OV B2 B1 SC FW FW FW FW FW FW CL FW FW FW PoP 12hr 5 80 20 0 0 QPF 12hr 0 0.08 0 0 0 Snow 12hr 00-00 1 00-00 Snow S D D L S S Date Mon 01/13/25 Tue 01/14/25 Wed 01/15/25 Thu 01/16/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 22 41 24 32 17 30 20 33 Temp 27 22 38 37 33 25 30 26 21 17 28 27 23 20 30 29 Dewpt 20 17 24 23 21 13 11 9 8 7 9 8 10 9 10 11 PWind dir S W NW NW NW NW NW W Wind char LT LT GN GN GN GN GN GN Avg clouds FW FW FW SC SC FW FW SC FW FW FW SC FW FW SC SC PoP 12hr 0 0 0 0 5 5 5 5 $$ MDZ013-102100- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 639 AM EST Fri Jan 10 2025 Date Fri 01/10/25 Sat 01/11/25 Sun 01/12/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 33 24 34 23 37 Temp 20 26 32 31 28 27 26 26 26 30 34 34 30 27 26 24 24 31 36 35 29 Dewpt 11 15 18 19 20 20 24 25 25 27 26 25 22 22 21 20 20 24 25 26 24 RH 67 62 56 61 71 74 92 96 96 88 72 69 72 81 81 84 84 75 64 69 81 Wind dir NW NW W W SW SW SW S SW W NW NW NW NW NW NW NW NW W W SW Wind spd 8 8 6 5 3 3 3 3 2 6 11 11 9 9 6 6 5 5 5 4 2 Clouds SC SC B1 B2 OV OV OV OV B2 B1 SC SC FW FW FW FW FW FW FW FW FW PoP 12hr 0 80 20 0 0 QPF 12hr 0 0.07 0.01 0 0 Snow 12hr 00-00 1 T Snow S L D L S S Date Mon 01/13/25 Tue 01/14/25 Wed 01/15/25 Thu 01/16/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 19 38 21 28 13 28 17 31 Temp 24 20 37 34 29 22 27 23 18 14 26 24 20 18 29 27 Dewpt 21 19 26 26 22 14 12 10 7 7 11 11 10 10 13 14 PWind dir SW W W W W NW W W Wind char LT LT LT GN GN GN GN GN Avg clouds FW FW FW SC SC FW FW SC SC FW SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 0 5 5 $$ MDZ011-102100- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 639 AM EST Fri Jan 10 2025 Date Fri 01/10/25 Sat 01/11/25 Sun 01/12/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 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 35 28 36 27 39 Temp 23 28 33 33 30 30 31 30 29 32 36 35 33 32 31 28 28 33 38 38 33 Dewpt 11 14 16 18 18 19 23 25 25 25 25 24 22 21 20 19 20 21 23 23 22 RH 59 55 49 53 60 63 72 81 85 75 64 64 63 63 63 68 71 61 54 54 63 Wind dir NW NW W W SW SW S SE S NW NW NW NW NW NW NW NW NW NW W SW Wind spd 8 9 6 4 2 2 2 2 2 5 11 11 9 9 6 6 5 5 5 3 2 Clouds FW SC B1 B2 OV OV OV OV OV B1 B1 SC FW FW FW FW FW FW FW FW FW PoP 12hr 0 80 20 0 0 QPF 12hr 0 0.07 0 0 0 Snow 12hr 00-00 1 00-00 Snow S C D L S S Date Mon 01/13/25 Tue 01/14/25 Wed 01/15/25 Thu 01/16/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 25 41 24 31 18 30 20 33 Temp 29 25 40 38 33 24 29 25 22 18 29 27 24 20 30 30 Dewpt 19 19 24 25 21 14 10 9 7 7 9 10 10 10 10 13 PWind dir SW W W W W NW NW W Wind char LT LT LT GN GN GN LT GN Avg clouds FW FW FW SC SC FW FW SC SC FW SC SC SC SC SC SC PoP 12hr 0 0 0 0 5 0 5 5 $$ WVZ052-102100- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 639 AM EST Fri Jan 10 2025 Date Fri 01/10/25 Sat 01/11/25 Sun 01/12/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 32 21 34 19 36 Temp 15 22 30 30 27 25 26 25 24 29 33 33 29 27 25 22 20 29 35 35 28 Dewpt 4 7 8 12 14 19 22 23 21 22 22 21 19 18 18 17 16 20 20 20 18 RH 61 52 39 46 57 78 85 92 88 75 63 61 66 68 74 81 84 69 54 54 66 Wind dir NW NW W S SE S SE S NW NW NW NW NW NW W NW W NW W S S Wind spd 5 5 4 2 1 1 2 2 2 8 13 14 11 9 6 5 4 3 3 2 1 Wind gust 24 Clouds SC B1 B2 B2 OV OV OV OV B1 B1 SC SC FW FW FW FW FW FW FW FW FW PoP 12hr 5 80 10 0 0 QPF 12hr 0 0.04 0 0 0 Snow 12hr 00-00 1 00-00 Snow L D L C Date Mon 01/13/25 Tue 01/14/25 Wed 01/15/25 Thu 01/16/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 14 40 17 26 12 26 14 29 Temp 19 18 39 34 28 18 25 20 16 13 24 22 18 15 27 24 Dewpt 16 14 24 23 18 11 8 7 6 5 7 8 8 7 10 11 PWind dir SW W W W W NW W W Wind char LT LT LT GN GN GN GN GN Avg clouds FW FW SC B1 SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 5 5 10 $$ VAZ506-102100- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 639 AM EST Fri Jan 10 2025 Date Fri 01/10/25 Sat 01/11/25 Sun 01/12/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 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 32 24 35 22 36 Temp 21 25 31 32 28 27 27 27 26 30 35 34 29 27 25 23 23 30 35 35 28 Dewpt 8 11 13 16 19 22 25 25 25 26 26 25 21 21 21 19 19 23 25 25 22 RH 56 55 47 51 68 81 92 92 96 85 69 69 72 78 84 84 84 75 66 66 78 Wind dir NW NW NW SW S S S S SW NW NW NW NW NW NW NW NW NW NW SW S Wind spd 9 9 5 3 3 3 4 3 2 8 14 13 10 10 8 8 5 5 5 3 2 Wind gust 19 24 Clouds SC B1 B2 B2 OV OV OV OV B2 B1 SC SC FW FW FW FW FW FW FW FW FW PoP 12hr 5 80 10 0 0 QPF 12hr 0 0.08 0 0 0 Snow 12hr 00-00 1 00-00 Snow C D L C Date Mon 01/13/25 Tue 01/14/25 Wed 01/15/25 Thu 01/16/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 15 40 19 28 13 26 15 31 Temp 22 17 38 34 28 20 27 23 17 13 25 23 19 16 28 25 Dewpt 20 17 27 26 22 13 12 10 8 7 10 10 10 9 13 15 PWind dir SW W NW NW NW NW NW NW Wind char LT LT LT GN GN GN GN GN Avg clouds FW FW FW SC SC SC FW SC SC FW SC SC FW FW SC SC PoP 12hr 0 0 0 0 0 0 5 10 $$ VAZ037-102100- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 639 AM EST Fri Jan 10 2025 Date Fri 01/10/25 Sat 01/11/25 Sun 01/12/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 33 23 38 18 38 Temp 20 26 32 32 31 29 28 28 26 32 38 36 30 27 23 20 19 28 36 36 30 Dewpt 6 11 13 16 17 20 23 24 23 24 22 20 16 16 14 14 13 17 19 18 17 RH 54 52 45 51 56 69 81 85 88 72 52 52 55 63 68 77 77 63 50 47 58 Wind dir NW NE S S S S S S SW NW NW NW NW NW W W W W S S S Wind spd 2 2 3 4 3 3 4 3 2 5 10 10 6 4 2 2 2 1 3 4 2 Clouds SC B1 B2 OV OV OV OV B2 SC FW FW FW FW FW FW FW FW CL CL CL FW PoP 12hr 10 100 5 0 0 QPF 12hr 0 0.11 0 0 0 Snow 12hr 00-00 1 00-00 Snow L D L C Winter Weath Y Y Y Date Mon 01/13/25 Tue 01/14/25 Wed 01/15/25 Thu 01/16/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 18 43 20 31 13 29 13 32 Temp 24 20 41 37 29 21 30 24 18 14 26 23 18 14 30 27 Dewpt 16 15 23 22 18 12 9 7 4 4 6 5 4 5 9 11 PWind dir SW W W W W NW W W Wind char LT LT LT GN LT GN LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC PoP 12hr 0 0 0 0 0 0 5 5 $$ MDZ003-102100- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 639 AM EST Fri Jan 10 2025 Date Fri 01/10/25 Sat 01/11/25 Sun 01/12/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 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 32 22 33 20 35 Temp 18 23 30 31 29 27 26 25 24 28 32 32 28 26 24 21 21 28 34 34 27 Dewpt 7 9 11 11 15 17 23 23 22 23 24 22 21 20 19 18 18 22 23 23 21 RH 61 54 44 43 55 65 88 92 92 81 72 66 75 78 81 88 88 78 64 64 78 Wind dir NW NW W SW S S S S W NW NW NW NW NW W W NW NW W SW S Wind spd 5 6 4 2 2 2 3 2 2 6 13 13 10 8 6 5 4 3 3 2 2 Clouds SC SC B2 B2 OV OV OV OV B2 B1 B1 SC FW FW FW FW FW FW SC SC FW PoP 12hr 0 80 10 0 0 QPF 12hr 0 0.04 0 0 0 Snow 12hr 00-00 1 00-00 Snow L D D C Date Mon 01/13/25 Tue 01/14/25 Wed 01/15/25 Thu 01/16/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 15 38 17 25 12 25 14 28 Temp 22 20 37 34 26 18 24 20 16 13 24 21 18 15 27 23 Dewpt 18 17 26 25 18 11 10 7 6 6 9 10 9 8 13 13 PWind dir S SW W W W NW W W Wind char LT LT LT GN GN GN GN GN Avg clouds FW FW SC B1 B1 SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 0 0 0 5 0 5 5 10 $$ MDZ017-102100- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 639 AM EST Fri Jan 10 2025 Date Fri 01/10/25 Sat 01/11/25 Sun 01/12/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 35 27 37 24 39 Temp 24 28 32 33 30 31 29 29 29 34 36 36 32 30 28 25 25 33 37 36 30 Dewpt 12 16 18 20 20 21 26 27 28 28 27 25 23 22 21 20 21 23 23 23 24 RH 60 60 56 58 66 66 88 92 96 78 69 64 69 72 75 81 84 66 56 59 78 Wind dir NW NW NW W W SW SW S SW NW NW NW NW NW NW NW NW NW NW W SW Wind spd 12 11 9 6 4 5 6 5 5 9 16 14 14 13 11 11 10 9 6 4 3 Clouds FW SC B1 B2 OV OV OV OV OV B1 SC FW FW CL CL CL FW CL FW CL FW PoP 12hr 5 90 30 0 0 QPF 12hr 0 0.17 0.01 0 0 Snow 12hr 00-00 2 T Snow S D D D C C Winter Weath Y Y Y Date Mon 01/13/25 Tue 01/14/25 Wed 01/15/25 Thu 01/16/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 23 41 23 35 16 31 18 33 Temp 27 25 39 35 30 24 33 25 21 17 30 24 21 19 31 28 Dewpt 24 22 26 27 24 18 15 14 11 10 13 13 12 11 14 16 PWind dir SW W NW NW NW NW NW W Wind char LT LT LT GN GN GN GN GN Avg clouds FW FW FW FW SC FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 0 0 0 0 5 0 5 5 $$ WVZ502-102100- Petersburg WV 38.99N 79.15W Elev. 963 ft 639 AM EST Fri Jan 10 2025 Date Fri 01/10/25 Sat 01/11/25 Sun 01/12/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 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 33 18 32 15 38 Temp 7 18 27 30 26 24 24 22 20 27 32 30 25 22 20 16 16 24 34 36 25 Dewpt 3 9 12 15 17 22 23 21 19 21 20 19 17 18 16 14 13 17 20 21 19 RH 83 67 53 53 68 92 96 96 96 78 61 63 71 84 84 92 88 74 56 54 78 Wind dir SW W SE NE W S S NW SW W W NW NW NW W W W W S S S Wind spd 2 1 1 2 2 1 1 2 2 5 11 10 6 5 3 2 2 1 2 2 2 Wind gust 20 Clouds SC B1 B2 OV OV OV OV B1 B1 SC SC SC SC SC SC SC SC FW FW FW FW PoP 12hr 20 100 10 0 0 QPF 12hr 0 0.05 0 0 0 Snow 12hr 00-00 1 00-00 Snow S D D C C Date Mon 01/13/25 Tue 01/14/25 Wed 01/15/25 Thu 01/16/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 15 40 13 24 8 23 8 28 Temp 19 18 38 33 23 14 22 17 13 9 20 17 13 9 25 22 Dewpt 15 15 26 23 15 6 9 7 5 2 7 6 5 4 12 12 PWind dir SW W W W W W W W Wind char LT LT LT GN LT LT LT LT Avg clouds FW FW SC SC B1 SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 5 0 5 5 5 5 10 $$ MDZ014-102100- Annapolis MD 38.99N 76.49W Elev. 7 ft 639 AM EST Fri Jan 10 2025 Date Fri 01/10/25 Sat 01/11/25 Sun 01/12/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 33 26 34 25 36 Temp 22 27 31 32 29 29 28 28 27 31 34 34 32 29 29 26 25 31 35 36 31 Dewpt 12 15 17 20 20 21 25 26 26 26 25 25 22 22 21 21 21 23 23 24 24 RH 65 60 56 61 69 72 88 92 96 81 69 69 66 75 72 81 84 72 61 61 75 Wind dir NW NW W W W SW SW S SW NW NW NW NW NW NW NW NW NW NW W SW Wind spd 9 9 8 6 3 2 4 4 3 8 12 11 11 10 9 9 6 6 5 4 2 Clouds FW SC B1 B2 OV OV OV OV B2 B1 SC SC FW FW FW FW FW FW FW FW FW PoP 12hr 0 80 20 0 0 QPF 12hr 0 0.09 0.01 0 0 Snow 12hr 00-00 1 T Snow S L D L S S Date Mon 01/13/25 Tue 01/14/25 Wed 01/15/25 Thu 01/16/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 22 38 23 29 16 28 18 30 Temp 27 23 36 35 31 23 28 25 21 16 26 26 22 18 28 28 Dewpt 22 20 24 25 22 16 13 12 9 9 11 11 12 12 12 14 PWind dir SW SW W W W NW NW W Wind char LT LT LT GN GN GN GN GN Avg clouds FW FW FW SC SC FW FW SC FW FW FW SC FW SC SC SC PoP 12hr 0 0 0 0 5 0 5 5 $$