Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
371 FOUS51 KLWX 191636 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1136 AM EST Sun Jan 19 2025 VAZ054-192100- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1136 AM EST Sun Jan 19 2025 Date Sun 01/19/25 Mon 01/20/25 Tue 01/21/25 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 41 22 26 13 24 Temp 36 34 30 27 26 24 22 24 24 23 19 17 14 13 14 18 23 24 20 Dewpt 29 27 22 18 15 13 10 7 5 3 1 0 0 -1 0 0 1 2 5 RH 75 75 72 68 62 62 59 47 43 41 44 46 53 53 53 44 38 38 51 Wind dir NE N NW NW NW NW W NW NW NW W NW NW NW NW NW W SW E Wind spd 8 12 16 16 14 13 13 18 19 16 9 8 6 5 5 5 5 4 4 Wind gust 29 29 Clouds OV OV OV SC FW CL FW SC FW FW CL CL FW B1 B2 B2 B2 OV OV PoP 12hr 100 10 0 0 20 QPF 12hr 0.32 0 0 0 0 Snow 12hr 2 00-00 00-00 Rain D S Sleet D Snow D D S S C Date Wed 01/22/25 Thu 01/23/25 Fri 01/24/25 Sat 01/25/25 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 12 19 11 31 17 36 22 41 Temp 17 13 18 16 14 14 29 27 23 18 34 31 28 23 40 36 Dewpt 7 0 -3 -2 1 3 7 10 10 10 15 15 15 14 19 20 PWind dir NW N SE S NW NW W SW Wind char LT GN LT LT LT GN LT GN Avg clouds B2 SC FW SC SC B1 SC B1 B1 SC SC SC SC SC SC SC PoP 12hr 30 5 0 5 10 10 5 0 Snow C $$ MDZ013-192100- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1136 AM EST Sun Jan 19 2025 Date Sun 01/19/25 Mon 01/20/25 Tue 01/21/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 40 19 24 8 20 Temp 34 32 29 25 23 21 20 22 22 21 17 12 10 9 9 16 19 20 18 Dewpt 31 29 24 19 15 14 12 10 7 5 3 2 1 -1 0 1 2 4 7 RH 89 88 81 78 71 74 71 59 52 49 53 63 66 63 66 51 47 49 61 Wind dir NE N NW NW NW W W W W W W W W W W W W W SW Wind spd 9 12 14 14 14 12 12 18 20 16 9 6 5 5 5 6 6 5 3 Wind gust 25 25 31 32 Clouds OV OV OV B2 FW FW FW FW SC SC CL CL FW B1 B2 B2 B2 OV OV PoP 12hr 100 20 0 0 20 QPF 12hr 0.33 0 0 0 0 Snow 12hr 3 00-00 00-00 Rain S Sleet Snow D D S S S C Winter Weath Y Y Date Wed 01/22/25 Thu 01/23/25 Fri 01/24/25 Sat 01/25/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 8 16 6 28 13 33 19 38 Temp 15 9 16 13 10 9 26 25 20 14 33 29 24 20 37 33 Dewpt 8 0 -1 1 2 3 10 13 11 10 18 18 16 15 22 22 PWind dir NW NW SW S NW W W W Wind char LT LT LT LT LT LT LT LT Avg clouds B2 SC FW SC SC B1 SC B1 B1 SC SC SC SC SC SC SC PoP 12hr 30 5 0 5 10 10 5 0 Snow C $$ MDZ011-192100- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1136 AM EST Sun Jan 19 2025 Date Sun 01/19/25 Mon 01/20/25 Tue 01/21/25 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 38 21 25 10 21 Temp 35 32 29 25 25 23 21 23 23 22 16 15 12 10 10 16 20 21 17 Dewpt 28 27 22 17 14 12 10 8 5 3 2 0 -1 -2 -1 0 1 2 5 RH 75 81 75 71 62 62 62 52 45 43 53 50 55 57 60 48 43 43 58 Wind dir NE N NW NW NW NW W W W W W W W W W W W W W Wind spd 8 12 14 14 13 11 12 17 19 16 8 6 5 5 4 6 6 5 2 Wind gust 26 26 29 31 Clouds OV OV OV B2 FW CL FW FW SC FW CL CL FW SC B1 B2 B2 OV OV PoP 12hr 100 30 0 0 20 QPF 12hr 0.31 0.01 0 0 0 Snow 12hr 3 T 00-00 Rain S Sleet S Snow D D C S S C Winter Weath Y Y Date Wed 01/22/25 Thu 01/23/25 Fri 01/24/25 Sat 01/25/25 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 10 17 11 30 17 34 22 39 Temp 14 11 17 13 13 13 28 26 21 17 33 29 27 23 38 34 Dewpt 6 -1 -2 -1 0 2 8 11 10 10 16 16 15 14 19 21 PWind dir NW NW SW S NW W W SW Wind char LT LT LT LT LT LT LT LT Avg clouds B2 SC FW SC SC B1 SC B1 B1 SC SC SC SC SC SC SC PoP 12hr 30 5 0 5 10 10 5 0 Snow C $$ WVZ052-192100- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1136 AM EST Sun Jan 19 2025 Date Sun 01/19/25 Mon 01/20/25 Tue 01/21/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 38 15 19 3 18 Temp 32 30 26 24 22 20 17 18 18 16 11 8 4 3 4 11 17 18 15 Dewpt 26 23 19 15 12 9 6 4 0 -2 -2 -3 -4 -4 -3 -1 -1 1 5 RH 78 75 74 68 65 62 61 53 44 44 55 60 68 72 72 57 44 46 64 Wind dir N N NW NW NW W W NW W W W W W W W W SW SW SW Wind spd 9 11 16 14 13 14 14 18 19 16 8 5 4 4 3 6 6 6 3 Wind gust 26 32 29 Clouds OV OV OV SC SC FW SC SC SC SC FW FW FW B1 B2 B2 OV B2 B2 PoP 12hr 100 20 0 0 30 QPF 12hr 0.28 0 0 0 0 Snow 12hr 4 00-00 00-00 Rain Sleet Snow D D S C C Cold Weather Y Y Y Y Y Y Y Y Y Y Y Winter Storm W W Date Wed 01/22/25 Thu 01/23/25 Fri 01/24/25 Sat 01/25/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 2 15 2 29 8 32 15 38 Temp 9 3 14 11 6 6 26 22 15 9 31 27 22 16 37 31 Dewpt 3 -6 -5 -2 0 0 7 8 5 5 14 14 13 12 19 20 PWind dir W NW S SE W W W SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC FW SC B1 B1 SC SC SC SC SC B1 B1 SC SC SC PoP 12hr 10 0 0 0 5 10 0 0 $$ VAZ506-192100- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1136 AM EST Sun Jan 19 2025 Date Sun 01/19/25 Mon 01/20/25 Tue 01/21/25 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 41 17 22 7 21 Temp 34 31 29 25 23 21 18 20 21 19 14 11 8 7 8 16 20 21 19 Dewpt 32 29 25 19 16 14 10 9 6 3 3 1 1 0 2 3 3 5 8 RH 92 92 85 78 74 74 70 62 52 49 61 63 72 72 76 56 47 49 61 Wind dir N N NW NW NW W W NW NW NW NW NW NW NW W W W SW SE Wind spd 8 13 17 16 14 13 14 19 19 16 8 5 4 4 3 5 5 3 3 Wind gust 26 32 31 Clouds OV OV OV SC FW FW FW FW FW FW CL CL SC B1 B2 B2 B2 OV OV PoP 12hr 100 10 0 0 20 QPF 12hr 0.32 0 0 0 0 Snow 12hr 3 00-00 00-00 Rain S Sleet Snow D D S S S Winter Weath Y Y Date Wed 01/22/25 Thu 01/23/25 Fri 01/24/25 Sat 01/25/25 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 7 16 5 28 11 33 17 40 Temp 13 8 15 13 9 9 26 24 17 13 33 29 23 18 39 34 Dewpt 9 0 -1 1 3 4 10 12 10 9 18 17 16 15 22 22 PWind dir NW N S S NW NW W SW Wind char LT LT LT LT LT LT LT LT Avg clouds B2 SC FW SC B1 B1 SC SC B1 SC SC SC SC SC SC SC PoP 12hr 20 5 0 5 10 10 0 0 Snow S $$ VAZ037-192100- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1136 AM EST Sun Jan 19 2025 Date Sun 01/19/25 Mon 01/20/25 Tue 01/21/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 38 18 23 9 23 Temp 35 34 32 28 26 23 20 20 22 22 15 13 9 10 10 15 21 23 20 Dewpt 31 27 22 14 12 9 5 1 -2 -5 -4 -4 -4 -4 -2 -2 -2 0 5 RH 85 75 66 55 55 54 51 43 34 29 42 46 54 52 57 46 35 36 51 Wind dir NE N NW NW W W W NW NW NW W W W W NW SW SW SW SW Wind spd 6 6 11 11 12 11 11 13 13 11 4 3 3 2 2 3 4 4 3 Wind gust 21 26 25 Clouds OV OV OV FW CL CL FW FW CL FW CL CL SC B1 B2 B2 B2 B2 OV PoP 12hr 100 0 0 0 20 QPF 12hr 0.17 0 0 0 0 Snow 12hr 1 00-00 00-00 Rain S S Sleet S Snow D L S S S Date Wed 01/22/25 Thu 01/23/25 Fri 01/24/25 Sat 01/25/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 8 21 9 33 15 37 19 43 Temp 14 9 20 18 12 11 31 29 21 16 35 31 26 20 41 36 Dewpt 5 -2 -6 -2 0 1 4 8 8 8 13 13 13 13 17 18 PWind dir NW N S SW W W W SW Wind char LT LT LT LT LT LT LT LT Avg clouds B2 SC FW SC SC B1 SC SC SC SC SC SC SC SC FW SC PoP 12hr 20 0 0 5 10 5 5 0 Snow S $$ MDZ003-192100- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1136 AM EST Sun Jan 19 2025 Date Sun 01/19/25 Mon 01/20/25 Tue 01/21/25 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 37 15 19 3 17 Temp 30 29 25 20 19 18 16 17 17 16 11 8 5 4 4 12 16 17 15 Dewpt 28 25 21 16 13 11 7 6 3 1 0 -1 -2 -3 -3 1 2 3 6 RH 92 85 84 84 77 73 67 61 53 51 60 66 72 72 72 60 53 53 67 Wind dir N N NW NW NW W W NW W W W W W W SW W W SW SW Wind spd 9 11 14 14 13 13 13 19 20 16 8 5 5 4 4 8 8 6 4 Wind gust 26 32 32 Clouds OV OV OV B1 SC SC SC SC SC SC FW FW FW B1 B2 B2 OV B2 B2 PoP 12hr 100 20 0 0 20 QPF 12hr 0.29 0 0 0 0 Snow 12hr 4 00-00 00-00 Rain Sleet Snow D D S S S Cold Weather Y Y Y Y Y Y Y Y Y Y Y Winter Storm W W Date Wed 01/22/25 Thu 01/23/25 Fri 01/24/25 Sat 01/25/25 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 1 13 2 26 8 30 15 36 Temp 9 2 12 10 7 7 24 20 14 9 28 25 20 16 35 31 Dewpt 3 -7 -3 0 0 1 8 9 6 5 17 16 13 12 20 21 PWind dir W NW SE S NW W W SW Wind char LT LT LT LT LT LT LT GN Avg clouds B1 SC FW SC B1 B1 B1 SC SC SC SC B1 SC SC SC SC PoP 12hr 10 0 0 0 5 10 0 0 $$ MDZ017-192100- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1136 AM EST Sun Jan 19 2025 Date Sun 01/19/25 Mon 01/20/25 Tue 01/21/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 40 22 28 12 23 Temp 38 37 32 30 27 25 23 26 26 25 18 15 14 13 13 18 22 23 18 Dewpt 35 34 27 22 18 15 13 11 7 5 3 3 2 1 0 1 1 2 5 RH 89 89 81 72 68 65 65 52 44 42 51 58 58 58 55 46 39 39 56 Wind dir NE N N NW NW NW NW NW NW NW NW NW NW NW NW N N N NE Wind spd 9 13 19 19 19 17 16 19 20 18 11 10 10 9 9 8 5 4 4 Wind gust 29 32 27 31 Clouds OV OV OV B1 FW FW FW FW SC SC CL CL SC B1 B2 B2 B2 B2 OV PoP 12hr 100 10 0 0 10 QPF 12hr 0.25 0 0 0 0 Snow 12hr T 00-00 00-00 Rain D D Sleet D D Snow S C Date Wed 01/22/25 Thu 01/23/25 Fri 01/24/25 Sat 01/25/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 12 20 12 34 20 36 23 41 Temp 17 13 19 16 14 15 32 28 25 21 35 30 26 24 39 35 Dewpt 11 3 1 3 5 7 11 17 17 15 18 19 19 18 21 23 PWind dir N N E S N NW W SW Wind char GN GN LT LT LT GN GN GN Avg clouds OV B1 FW FW SC SC SC B1 B1 B1 SC SC SC SC FW FW PoP 12hr 50 10 0 10 20 10 5 0 Snow C S S $$ WVZ502-192100- Petersburg WV 38.99N 79.15W Elev. 963 ft 1136 AM EST Sun Jan 19 2025 Date Sun 01/19/25 Mon 01/20/25 Tue 01/21/25 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 36 12 17 3 21 Temp 32 31 25 19 19 17 13 12 14 15 10 7 4 4 4 12 19 21 16 Dewpt 27 23 15 12 10 6 0 -2 -3 -3 -4 -5 -6 -6 -5 -3 0 3 5 RH 81 72 65 74 67 61 55 52 46 44 52 57 62 62 65 50 42 45 61 Wind dir N N NW NW SW SW SW W W W SW W W W SW SW W W W Wind spd 5 6 11 10 11 10 11 12 13 11 5 4 3 3 3 3 5 6 4 Wind gust 21 25 25 Clouds OV OV OV SC B1 B2 B1 SC SC SC FW FW SC B1 B2 B2 OV B2 B2 PoP 12hr 100 40 10 0 30 QPF 12hr 0.18 0 0 0 0 Snow 12hr 2 00-00 00-00 Rain Sleet Snow D L C C C Cold Weather Y Y Y Y Y Y Y Y Y Y Y Winter Storm W W Date Wed 01/22/25 Thu 01/23/25 Fri 01/24/25 Sat 01/25/25 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 -1 20 3 34 10 33 16 40 Temp 7 0 18 14 8 8 32 26 16 12 32 27 21 18 38 34 Dewpt 0-10 -5 2 0 1 10 12 8 8 16 16 14 13 19 21 PWind dir W SW S SW SW W W SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC FW SC SC SC SC SC SC SC SC B1 SC SC SC SC PoP 12hr 10 0 0 0 5 10 5 0 $$ MDZ014-192100- Annapolis MD 38.99N 76.49W Elev. 7 ft 1136 AM EST Sun Jan 19 2025 Date Sun 01/19/25 Mon 01/20/25 Tue 01/21/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 39 20 25 11 21 Temp 35 33 30 27 25 23 22 24 24 22 19 15 13 11 11 16 20 21 20 Dewpt 31 29 24 19 15 14 13 9 7 4 3 3 2 1 0 0 1 3 5 RH 85 85 78 71 65 68 68 52 47 45 49 58 61 63 60 48 43 45 51 Wind dir NE N NW NW NW NW NW NW NW W W W W NW NW NW W W W Wind spd 10 12 14 16 16 13 13 17 20 16 10 9 8 8 6 8 6 5 3 Wind gust 27 27 31 31 26 Clouds OV OV OV B1 FW CL FW FW SC SC CL CL FW B1 B2 B2 B2 OV OV PoP 12hr 100 20 0 0 20 QPF 12hr 0.32 0 0 0 0 Snow 12hr 2 00-00 00-00 Rain S Sleet S Snow D D S S S C Winter Weath Y Y Date Wed 01/22/25 Thu 01/23/25 Fri 01/24/25 Sat 01/25/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 11 17 11 29 17 33 21 38 Temp 15 12 16 15 12 13 27 26 21 18 31 29 26 22 35 34 Dewpt 8 3 -1 1 4 6 9 13 13 13 16 18 17 17 20 22 PWind dir NW NW SW S NW NW W SW Wind char LT GN LT LT LT LT LT GN Avg clouds B2 SC FW SC SC B1 SC B1 B1 SC SC SC SC SC SC SC PoP 12hr 30 5 0 5 10 10 5 0 Snow C $$